0,0 → 1,6162 |
|
glg.elf: file format elf32-avr |
|
Sections: |
Idx Name Size VMA LMA File off Algn |
0 .data 00000006 00800100 000022ec 00002360 2**0 |
CONTENTS, ALLOC, LOAD, DATA |
1 .text 000022ec 00000000 00000000 00000074 2**1 |
CONTENTS, ALLOC, LOAD, READONLY, CODE |
2 .bss 00000341 00800106 000022f2 00002366 2**0 |
ALLOC |
3 .stab 0000087c 00000000 00000000 00002368 2**2 |
CONTENTS, READONLY, DEBUGGING |
4 .stabstr 0000019e 00000000 00000000 00002be4 2**0 |
CONTENTS, READONLY, DEBUGGING |
5 .debug_aranges 00000060 00000000 00000000 00002d82 2**0 |
CONTENTS, READONLY, DEBUGGING |
6 .debug_pubnames 0000019e 00000000 00000000 00002de2 2**0 |
CONTENTS, READONLY, DEBUGGING |
7 .debug_info 00001cfd 00000000 00000000 00002f80 2**0 |
CONTENTS, READONLY, DEBUGGING |
8 .debug_abbrev 000007a6 00000000 00000000 00004c7d 2**0 |
CONTENTS, READONLY, DEBUGGING |
9 .debug_line 000019a4 00000000 00000000 00005423 2**0 |
CONTENTS, READONLY, DEBUGGING |
10 .debug_frame 00000260 00000000 00000000 00006dc8 2**2 |
CONTENTS, READONLY, DEBUGGING |
11 .debug_str 000005e8 00000000 00000000 00007028 2**0 |
CONTENTS, READONLY, DEBUGGING |
12 .debug_loc 000020ca 00000000 00000000 00007610 2**0 |
CONTENTS, READONLY, DEBUGGING |
13 .debug_ranges 00000178 00000000 00000000 000096da 2**0 |
CONTENTS, READONLY, DEBUGGING |
Disassembly of section .text: |
|
00000000 <__vectors>: |
0: 0c 94 4c 00 jmp 0x98 ; 0x98 <__ctors_end> |
4: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
8: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
c: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
10: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
14: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
18: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
1c: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
20: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
24: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
28: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
2c: 0c 94 7a 01 jmp 0x2f4 ; 0x2f4 <__vector_11> |
30: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
34: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
38: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
3c: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
40: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
44: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
48: 0c 94 d6 00 jmp 0x1ac ; 0x1ac <__vector_18> |
4c: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
50: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
54: 0c 94 6b 00 jmp 0xd6 ; 0xd6 <__vector_21> |
58: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
5c: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
60: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
64: 0c 94 69 00 jmp 0xd2 ; 0xd2 <__bad_interrupt> |
|
00000068 <__c.2081>: |
68: 0d 0a 00 ... |
|
0000006b <__c.2079>: |
6b: 2c 00 ,. |
|
0000006d <__c.2075>: |
6d: 24 47 50 52 4d 43 00 $GPRMC. |
|
00000074 <__c.2073>: |
74: 24 47 50 47 47 41 00 $GPGGA. |
|
0000007b <__c.2071>: |
7b: 2e 6c 6f 67 00 .log. |
|
00000080 <__c.2065>: |
80: 24 47 50 52 4d 43 00 $GPRMC. |
|
00000087 <__c.2014>: |
87: 24 50 53 52 46 31 30 36 2c 32 31 2a 30 46 0d 0a $PSRF106,21*0F.. |
... |
|
00000098 <__ctors_end>: |
98: 11 24 eor r1, r1 |
9a: 1f be out 0x3f, r1 ; 63 |
9c: cf ef ldi r28, 0xFF ; 255 |
9e: d4 e0 ldi r29, 0x04 ; 4 |
a0: de bf out 0x3e, r29 ; 62 |
a2: cd bf out 0x3d, r28 ; 61 |
|
000000a4 <__do_copy_data>: |
a4: 11 e0 ldi r17, 0x01 ; 1 |
a6: a0 e0 ldi r26, 0x00 ; 0 |
a8: b1 e0 ldi r27, 0x01 ; 1 |
aa: ec ee ldi r30, 0xEC ; 236 |
ac: f2 e2 ldi r31, 0x22 ; 34 |
ae: 02 c0 rjmp .+4 ; 0xb4 <.do_copy_data_start> |
|
000000b0 <.do_copy_data_loop>: |
b0: 05 90 lpm r0, Z+ |
b2: 0d 92 st X+, r0 |
|
000000b4 <.do_copy_data_start>: |
b4: a6 30 cpi r26, 0x06 ; 6 |
b6: b1 07 cpc r27, r17 |
b8: d9 f7 brne .-10 ; 0xb0 <.do_copy_data_loop> |
|
000000ba <__do_clear_bss>: |
ba: 14 e0 ldi r17, 0x04 ; 4 |
bc: a6 e0 ldi r26, 0x06 ; 6 |
be: b1 e0 ldi r27, 0x01 ; 1 |
c0: 01 c0 rjmp .+2 ; 0xc4 <.do_clear_bss_start> |
|
000000c2 <.do_clear_bss_loop>: |
c2: 1d 92 st X+, r1 |
|
000000c4 <.do_clear_bss_start>: |
c4: a7 34 cpi r26, 0x47 ; 71 |
c6: b1 07 cpc r27, r17 |
c8: e1 f7 brne .-8 ; 0xc2 <.do_clear_bss_loop> |
ca: 0e 94 ba 01 call 0x374 ; 0x374 <main> |
ce: 0c 94 75 11 jmp 0x22ea ; 0x22ea <_exit> |
|
000000d2 <__bad_interrupt>: |
d2: 0c 94 00 00 jmp 0 ; 0x0 <__heap_end> |
|
000000d6 <__vector_21>: |
/*---------------------------------------------------------*/ |
/* ADC interrupt */ |
/*---------------------------------------------------------*/ |
|
ISR(ADC_vect) |
{ |
d6: 1f 92 push r1 |
d8: 0f 92 push r0 |
da: 0f b6 in r0, 0x3f ; 63 |
dc: 0f 92 push r0 |
de: 11 24 eor r1, r1 |
e0: 2f 93 push r18 |
e2: 3f 93 push r19 |
e4: 8f 93 push r24 |
WORD n; |
static BYTE l, h; |
|
n = ADC; |
e6: 20 91 78 00 lds r18, 0x0078 |
ea: 30 91 79 00 lds r19, 0x0079 |
|
if(ADMUX == POWER_check) |
ee: 80 91 7c 00 lds r24, 0x007C |
{ |
if (n < VTH_LOW) { |
f2: 20 3d cpi r18, 0xD0 ; 208 |
f4: 31 05 cpc r19, r1 |
f6: 70 f4 brcc .+28 ; 0x114 <__vector_21+0x3e> |
if (l >= 15) { |
f8: 80 91 09 01 lds r24, 0x0109 |
fc: 8f 30 cpi r24, 0x0F ; 15 |
fe: 30 f0 brcs .+12 ; 0x10c <__vector_21+0x36> |
Stat |= 0x01; |
100: 80 91 69 01 lds r24, 0x0169 |
104: 81 60 ori r24, 0x01 ; 1 |
106: 80 93 69 01 sts 0x0169, r24 |
10a: 06 c0 rjmp .+12 ; 0x118 <__vector_21+0x42> |
} |
else {l++;} |
10c: 8f 5f subi r24, 0xFF ; 255 |
10e: 80 93 09 01 sts 0x0109, r24 |
112: 02 c0 rjmp .+4 ; 0x118 <__vector_21+0x42> |
} |
else {l = 0;} |
114: 10 92 09 01 sts 0x0109, r1 |
|
if (n > VTH_HIGH) { |
118: 81 e0 ldi r24, 0x01 ; 1 |
11a: 2c 32 cpi r18, 0x2C ; 44 |
11c: 38 07 cpc r19, r24 |
11e: 70 f0 brcs .+28 ; 0x13c <__vector_21+0x66> |
if (h >= 15) { |
120: 80 91 08 01 lds r24, 0x0108 |
124: 8f 30 cpi r24, 0x0F ; 15 |
126: 30 f0 brcs .+12 ; 0x134 <__vector_21+0x5e> |
Stat &= 0xFE; |
128: 80 91 69 01 lds r24, 0x0169 |
12c: 8e 7f andi r24, 0xFE ; 254 |
12e: 80 93 69 01 sts 0x0169, r24 |
132: 06 c0 rjmp .+12 ; 0x140 <__vector_21+0x6a> |
} |
else {h++;} |
134: 8f 5f subi r24, 0xFF ; 255 |
136: 80 93 08 01 sts 0x0108, r24 |
13a: 02 c0 rjmp .+4 ; 0x140 <__vector_21+0x6a> |
} |
else {h = 0;} |
13c: 10 92 08 01 sts 0x0108, r1 |
|
battery = n; |
140: 30 93 6f 01 sts 0x016F, r19 |
144: 20 93 6e 01 sts 0x016E, r18 |
ADMUX = ANALOG_IN1; |
148: 82 e4 ldi r24, 0x42 ; 66 |
14a: 80 93 7c 00 sts 0x007C, r24 |
} |
|
if(ADMUX == ANALOG_IN1) |
14e: 80 91 7c 00 lds r24, 0x007C |
{ |
intensity = n; |
152: 30 93 0a 02 sts 0x020A, r19 |
156: 20 93 09 02 sts 0x0209, r18 |
ADMUX = POWER_check; |
15a: 81 e4 ldi r24, 0x41 ; 65 |
15c: 80 93 7c 00 sts 0x007C, r24 |
} |
|
//!!!! |
//Stat &= 0xFE; |
|
ADCSRA = _BV(ADEN)|_BV(ADSC)|_BV(ADIF)|_BV(ADIE)|0b111; |
160: 8f ed ldi r24, 0xDF ; 223 |
162: 80 93 7a 00 sts 0x007A, r24 |
166: 8f 91 pop r24 |
168: 3f 91 pop r19 |
16a: 2f 91 pop r18 |
16c: 0f 90 pop r0 |
16e: 0f be out 0x3f, r0 ; 63 |
170: 0f 90 pop r0 |
172: 1f 90 pop r1 |
174: 18 95 reti |
|
00000176 <get_fattime>: |
/* FatFs module. Any valid time must be returned even if */ |
/* the system does not support a real time clock. */ |
|
|
DWORD get_fattime () |
{ |
176: 60 e0 ldi r22, 0x00 ; 0 |
178: 70 e0 ldi r23, 0x00 ; 0 |
17a: 81 ea ldi r24, 0xA1 ; 161 |
17c: 96 e3 ldi r25, 0x36 ; 54 |
17e: 08 95 ret |
|
00000180 <uart_init>: |
/* UART control */ |
|
|
static |
void uart_init (void) |
{ |
180: f8 94 cli |
cli(); |
UCSR0B = 0; |
182: e1 ec ldi r30, 0xC1 ; 193 |
184: f0 e0 ldi r31, 0x00 ; 0 |
186: 10 82 st Z, r1 |
rxfifo.idx_r = 0; |
188: 10 92 71 01 sts 0x0171, r1 |
rxfifo.idx_w = 0; |
18c: 10 92 70 01 sts 0x0170, r1 |
rxfifo.count = 0; |
190: 10 92 72 01 sts 0x0172, r1 |
UBRR0L = SYSCLK/16/9600; // Enable USRAT0 in N81,4800bps |
194: 81 e4 ldi r24, 0x41 ; 65 |
196: 80 93 c4 00 sts 0x00C4, r24 |
UCSR0B = _BV(RXCIE0)|_BV(RXEN0)|_BV(TXEN0); |
19a: 88 e9 ldi r24, 0x98 ; 152 |
19c: 80 83 st Z, r24 |
Stat &= 0xFD; // Clear overflow flag |
19e: 80 91 69 01 lds r24, 0x0169 |
1a2: 8d 7f andi r24, 0xFD ; 253 |
1a4: 80 93 69 01 sts 0x0169, r24 |
sei(); |
1a8: 78 94 sei |
1aa: 08 95 ret |
|
000001ac <__vector_18>: |
} |
|
|
/* USART0 RXC interrupt */ |
ISR(USART_RX_vect) |
{ |
1ac: 1f 92 push r1 |
1ae: 0f 92 push r0 |
1b0: 0f b6 in r0, 0x3f ; 63 |
1b2: 0f 92 push r0 |
1b4: 11 24 eor r1, r1 |
1b6: 8f 93 push r24 |
1b8: 9f 93 push r25 |
1ba: ef 93 push r30 |
1bc: ff 93 push r31 |
uint8_t d, n, i; |
|
|
d = UDR0; |
1be: 90 91 c6 00 lds r25, 0x00C6 |
n = rxfifo.count; |
1c2: 80 91 72 01 lds r24, 0x0172 |
if(n < sizeof(rxfifo.buff)) { |
1c6: 86 39 cpi r24, 0x96 ; 150 |
1c8: 88 f4 brcc .+34 ; 0x1ec <__vector_18+0x40> |
rxfifo.count = ++n; |
1ca: 8f 5f subi r24, 0xFF ; 255 |
1cc: 80 93 72 01 sts 0x0172, r24 |
i = rxfifo.idx_w; |
1d0: 80 91 70 01 lds r24, 0x0170 |
rxfifo.buff[i++] = d; |
1d4: e8 2f mov r30, r24 |
1d6: ff 27 eor r31, r31 |
1d8: e0 59 subi r30, 0x90 ; 144 |
1da: fe 4f sbci r31, 0xFE ; 254 |
1dc: 93 83 std Z+3, r25 ; 0x03 |
1de: 8f 5f subi r24, 0xFF ; 255 |
if(i >= sizeof(rxfifo.buff)) |
1e0: 86 39 cpi r24, 0x96 ; 150 |
1e2: 08 f0 brcs .+2 ; 0x1e6 <__vector_18+0x3a> |
1e4: 80 e0 ldi r24, 0x00 ; 0 |
i = 0; |
rxfifo.idx_w = i; |
1e6: 80 93 70 01 sts 0x0170, r24 |
1ea: 05 c0 rjmp .+10 ; 0x1f6 <__vector_18+0x4a> |
} else { |
Stat |= 2; |
1ec: 80 91 69 01 lds r24, 0x0169 |
1f0: 82 60 ori r24, 0x02 ; 2 |
1f2: 80 93 69 01 sts 0x0169, r24 |
1f6: ff 91 pop r31 |
1f8: ef 91 pop r30 |
1fa: 9f 91 pop r25 |
1fc: 8f 91 pop r24 |
1fe: 0f 90 pop r0 |
200: 0f be out 0x3f, r0 ; 63 |
202: 0f 90 pop r0 |
204: 1f 90 pop r1 |
206: 18 95 reti |
|
00000208 <get_line>: |
/* Get a line received from GPS module */ |
/*----------------------------------------------------*/ |
|
static |
BYTE get_line (void) // 0: Power fail occured, >0: Number of bytes received. |
{ |
208: 90 e0 ldi r25, 0x00 ; 0 |
BYTE c, i = 0; |
|
|
for (;;) { |
if (Stat & 1) return 0; // When power fail is detected, return with zero. |
20a: 80 91 69 01 lds r24, 0x0169 |
20e: 80 ff sbrs r24, 0 |
210: 03 c0 rjmp .+6 ; 0x218 <get_line+0x10> |
212: 80 e0 ldi r24, 0x00 ; 0 |
214: 90 e0 ldi r25, 0x00 ; 0 |
216: 08 95 ret |
uint8_t uart_get () |
{ |
uint8_t d, i; |
|
|
i = rxfifo.idx_r; |
218: 20 91 71 01 lds r18, 0x0171 |
if (rxfifo.count == 0) return 0; |
21c: 80 91 72 01 lds r24, 0x0172 |
220: 88 23 and r24, r24 |
222: 19 f4 brne .+6 ; 0x22a <get_line+0x22> |
224: 20 e0 ldi r18, 0x00 ; 0 |
226: 30 e0 ldi r19, 0x00 ; 0 |
228: 15 c0 rjmp .+42 ; 0x254 <get_line+0x4c> |
d = rxfifo.buff[i++]; |
22a: e2 2f mov r30, r18 |
22c: ff 27 eor r31, r31 |
22e: e0 59 subi r30, 0x90 ; 144 |
230: fe 4f sbci r31, 0xFE ; 254 |
232: 33 81 ldd r19, Z+3 ; 0x03 |
234: e2 2f mov r30, r18 |
236: ef 5f subi r30, 0xFF ; 255 |
cli(); |
238: f8 94 cli |
rxfifo.count--; |
23a: 80 91 72 01 lds r24, 0x0172 |
23e: 81 50 subi r24, 0x01 ; 1 |
240: 80 93 72 01 sts 0x0172, r24 |
sei(); |
244: 78 94 sei |
if(i >= sizeof(rxfifo.buff)) |
246: e6 39 cpi r30, 0x96 ; 150 |
248: 08 f0 brcs .+2 ; 0x24c <get_line+0x44> |
24a: e0 e0 ldi r30, 0x00 ; 0 |
i = 0; |
rxfifo.idx_r = i; |
24c: e0 93 71 01 sts 0x0171, r30 |
|
return d; |
250: 23 2f mov r18, r19 |
252: 33 27 eor r19, r19 |
|
|
for (;;) { |
if (Stat & 1) return 0; // When power fail is detected, return with zero. |
c = uart_get(); |
if (Stat & 2) { // When buffer overflow has occured, restert to receive line. |
254: 80 91 69 01 lds r24, 0x0169 |
258: 81 ff sbrs r24, 1 |
25a: 03 c0 rjmp .+6 ; 0x262 <get_line+0x5a> |
uart_init(); |
25c: 0e 94 c0 00 call 0x180 ; 0x180 <uart_init> |
260: d3 cf rjmp .-90 ; 0x208 <get_line> |
BYTE c, i = 0; |
|
|
for (;;) { |
if (Stat & 1) return 0; // When power fail is detected, return with zero. |
c = uart_get(); |
262: 82 2f mov r24, r18 |
if (Stat & 2) { // When buffer overflow has occured, restert to receive line. |
uart_init(); |
i = 0; c = 0; |
} |
if (!c || (i == 0 && c != '$')) continue; |
264: 22 23 and r18, r18 |
266: 89 f2 breq .-94 ; 0x20a <get_line+0x2> |
268: 99 23 and r25, r25 |
26a: 11 f4 brne .+4 ; 0x270 <get_line+0x68> |
26c: 24 32 cpi r18, 0x24 ; 36 |
26e: 69 f6 brne .-102 ; 0x20a <get_line+0x2> |
Buff[i++] = c; |
270: e9 2f mov r30, r25 |
272: ff 27 eor r31, r31 |
274: e9 5e subi r30, 0xE9 ; 233 |
276: fe 4f sbci r31, 0xFE ; 254 |
278: 20 83 st Z, r18 |
27a: 9f 5f subi r25, 0xFF ; 255 |
if (c == '\n') break; |
27c: 8a 30 cpi r24, 0x0A ; 10 |
27e: 21 f0 breq .+8 ; 0x288 <get_line+0x80> |
if (i >= sizeof(Buff)) i = 0; |
280: 92 35 cpi r25, 0x52 ; 82 |
282: 08 f0 brcs .+2 ; 0x286 <get_line+0x7e> |
284: c1 cf rjmp .-126 ; 0x208 <get_line> |
286: c1 cf rjmp .-126 ; 0x20a <get_line+0x2> |
} |
return i; |
288: 89 2f mov r24, r25 |
28a: 99 27 eor r25, r25 |
} |
28c: 08 95 ret |
|
0000028e <beep>: |
/*--------------------------------------------------------------------------*/ |
/* Controls */ |
|
static |
void beep (BYTE len, BYTE cnt) |
{ |
28e: 98 2f mov r25, r24 |
290: 0f c0 rjmp .+30 ; 0x2b0 <beep+0x22> |
while (cnt--) { |
BEEP_ON(); |
292: 83 e0 ldi r24, 0x03 ; 3 |
294: 85 bd out 0x25, r24 ; 37 |
DELAY(len); |
296: 90 93 16 01 sts 0x0116, r25 |
29a: 80 91 16 01 lds r24, 0x0116 |
29e: 88 23 and r24, r24 |
2a0: e1 f7 brne .-8 ; 0x29a <beep+0xc> |
BEEP_OFF(); |
2a2: 15 bc out 0x25, r1 ; 37 |
DELAY(len); |
2a4: 90 93 16 01 sts 0x0116, r25 |
2a8: 80 91 16 01 lds r24, 0x0116 |
2ac: 88 23 and r24, r24 |
2ae: e1 f7 brne .-8 ; 0x2a8 <beep+0x1a> |
/* Controls */ |
|
static |
void beep (BYTE len, BYTE cnt) |
{ |
while (cnt--) { |
2b0: 61 50 subi r22, 0x01 ; 1 |
2b2: 78 f7 brcc .-34 ; 0x292 <beep+0x4> |
2b4: 08 95 ret |
|
000002b6 <gp_comp>: |
|
|
/* Compare sentence header string */ |
static |
BYTE gp_comp (BYTE *str1, const prog_uint8_t *str2) |
{ |
2b6: dc 01 movw r26, r24 |
2b8: fb 01 movw r30, r22 |
BYTE c; |
|
do { |
c = pgm_read_byte(str2++); |
2ba: 6f 5f subi r22, 0xFF ; 255 |
2bc: 7f 4f sbci r23, 0xFF ; 255 |
2be: 94 91 lpm r25, Z |
} while (c && c == *str1++); |
2c0: 99 23 and r25, r25 |
2c2: 29 f0 breq .+10 ; 0x2ce <gp_comp+0x18> |
2c4: 8c 91 ld r24, X |
2c6: 98 17 cp r25, r24 |
2c8: 11 f4 brne .+4 ; 0x2ce <gp_comp+0x18> |
2ca: 11 96 adiw r26, 0x01 ; 1 |
2cc: f5 cf rjmp .-22 ; 0x2b8 <gp_comp+0x2> |
return c; |
} |
2ce: 89 2f mov r24, r25 |
2d0: 99 27 eor r25, r25 |
2d2: 08 95 ret |
|
000002d4 <gp_col>: |
/* Get a column item */ |
static |
BYTE* gp_col ( /* Returns pointer to the item (returns a NULL when not found) */ |
const BYTE* buf, /* Pointer to the sentence */ |
BYTE col /* Column number (0 is the 1st item) */ |
) { |
2d4: fc 01 movw r30, r24 |
2d6: 0a c0 rjmp .+20 ; 0x2ec <gp_col+0x18> |
BYTE c; |
|
|
while (col) { |
do { |
c = *buf++; |
2d8: 80 81 ld r24, Z |
if (c <= ' ') return NULL; |
2da: 81 32 cpi r24, 0x21 ; 33 |
2dc: 18 f4 brcc .+6 ; 0x2e4 <gp_col+0x10> |
2de: 80 e0 ldi r24, 0x00 ; 0 |
2e0: 90 e0 ldi r25, 0x00 ; 0 |
2e2: 08 95 ret |
BYTE c; |
|
|
while (col) { |
do { |
c = *buf++; |
2e4: 31 96 adiw r30, 0x01 ; 1 |
if (c <= ' ') return NULL; |
} while (c != ','); |
2e6: 8c 32 cpi r24, 0x2C ; 44 |
2e8: b9 f7 brne .-18 ; 0x2d8 <gp_col+0x4> |
col--; |
2ea: 61 50 subi r22, 0x01 ; 1 |
BYTE col /* Column number (0 is the 1st item) */ |
) { |
BYTE c; |
|
|
while (col) { |
2ec: 66 23 and r22, r22 |
2ee: a1 f7 brne .-24 ; 0x2d8 <gp_col+0x4> |
c = *buf++; |
if (c <= ' ') return NULL; |
} while (c != ','); |
col--; |
} |
return (BYTE*)buf; |
2f0: cf 01 movw r24, r30 |
} |
2f2: 08 95 ret |
|
000002f4 <__vector_11>: |
/* 100Hz timer interrupt generated by OC1A */ |
/*---------------------------------------------------------*/ |
|
|
ISR(TIMER1_COMPA_vect) |
{ |
2f4: 1f 92 push r1 |
2f6: 0f 92 push r0 |
2f8: 0f b6 in r0, 0x3f ; 63 |
2fa: 0f 92 push r0 |
2fc: 11 24 eor r1, r1 |
2fe: 2f 93 push r18 |
300: 3f 93 push r19 |
302: 4f 93 push r20 |
304: 5f 93 push r21 |
306: 6f 93 push r22 |
308: 7f 93 push r23 |
30a: 8f 93 push r24 |
30c: 9f 93 push r25 |
30e: af 93 push r26 |
310: bf 93 push r27 |
312: ef 93 push r30 |
314: ff 93 push r31 |
BYTE n; |
static WORD ivt_sync; |
|
|
n = Timer; |
316: 80 91 16 01 lds r24, 0x0116 |
if (n) Timer = n - 1; |
31a: 88 23 and r24, r24 |
31c: 19 f0 breq .+6 ; 0x324 <__vector_11+0x30> |
31e: 81 50 subi r24, 0x01 ; 1 |
320: 80 93 16 01 sts 0x0116, r24 |
|
if (++ivt_sync >= 180 * 100) { |
324: 80 91 06 01 lds r24, 0x0106 |
328: 90 91 07 01 lds r25, 0x0107 |
32c: 01 96 adiw r24, 0x01 ; 1 |
32e: 90 93 07 01 sts 0x0107, r25 |
332: 80 93 06 01 sts 0x0106, r24 |
336: 80 55 subi r24, 0x50 ; 80 |
338: 96 44 sbci r25, 0x46 ; 70 |
33a: 48 f0 brcs .+18 ; 0x34e <__vector_11+0x5a> |
ivt_sync = 0; |
33c: 10 92 07 01 sts 0x0107, r1 |
340: 10 92 06 01 sts 0x0106, r1 |
Stat |= 4; |
344: 80 91 69 01 lds r24, 0x0169 |
348: 84 60 ori r24, 0x04 ; 4 |
34a: 80 93 69 01 sts 0x0169, r24 |
} |
|
disk_timerproc(); /* Drive timer procedure of low level disk I/O module */ |
34e: 0e 94 c8 0d call 0x1b90 ; 0x1b90 <disk_timerproc> |
352: ff 91 pop r31 |
354: ef 91 pop r30 |
356: bf 91 pop r27 |
358: af 91 pop r26 |
35a: 9f 91 pop r25 |
35c: 8f 91 pop r24 |
35e: 7f 91 pop r23 |
360: 6f 91 pop r22 |
362: 5f 91 pop r21 |
364: 4f 91 pop r20 |
366: 3f 91 pop r19 |
368: 2f 91 pop r18 |
36a: 0f 90 pop r0 |
36c: 0f be out 0x3f, r0 ; 63 |
36e: 0f 90 pop r0 |
370: 1f 90 pop r1 |
372: 18 95 reti |
|
00000374 <main>: |
/*-----------------------------------------------------------------------*/ |
/* Main */ |
|
|
int main () |
{ |
374: cd ef ldi r28, 0xFD ; 253 |
376: d4 e0 ldi r29, 0x04 ; 4 |
378: de bf out 0x3e, r29 ; 62 |
37a: cd bf out 0x3d, r28 ; 61 |
|
|
static |
void ioinit (void) |
{ |
PORTB = 0b00001101; // Port B |
37c: 8d e0 ldi r24, 0x0D ; 13 |
37e: 85 b9 out 0x05, r24 ; 5 |
DDRB = 0b00101110; |
380: 8e e2 ldi r24, 0x2E ; 46 |
382: 84 b9 out 0x04, r24 ; 4 |
PORTC = 0b00111111; // Port C |
384: 8f e3 ldi r24, 0x3F ; 63 |
386: 88 b9 out 0x08, r24 ; 8 |
DDRC = 0b00000000; |
388: 17 b8 out 0x07, r1 ; 7 |
PORTD = 0b10101110; // Port D |
38a: 8e ea ldi r24, 0xAE ; 174 |
38c: 8b b9 out 0x0b, r24 ; 11 |
DDRD = 0b01010010; |
38e: 82 e5 ldi r24, 0x52 ; 82 |
390: 8a b9 out 0x0a, r24 ; 10 |
|
SPCR = 0b01010000; /* Initialize SPI port (Mode 0) */ |
392: 80 e5 ldi r24, 0x50 ; 80 |
394: 8c bd out 0x2c, r24 ; 44 |
SPSR = 0b00000001; |
396: 81 e0 ldi r24, 0x01 ; 1 |
398: 8d bd out 0x2d, r24 ; 45 |
|
OCR1A = SYSCLK/8/100-1; // Timer1: 100Hz interval (OC1A) |
39a: 83 ed ldi r24, 0xD3 ; 211 |
39c: 90 e3 ldi r25, 0x30 ; 48 |
39e: 90 93 89 00 sts 0x0089, r25 |
3a2: 80 93 88 00 sts 0x0088, r24 |
TCCR1B = 0b00001010; |
3a6: 8a e0 ldi r24, 0x0A ; 10 |
3a8: 80 93 81 00 sts 0x0081, r24 |
TIMSK1 = _BV(OCIE1A); // Enable TC1.oca interrupt |
3ac: 82 e0 ldi r24, 0x02 ; 2 |
3ae: 80 93 6f 00 sts 0x006F, r24 |
|
OCR0A = SYSCLK/64/4000/2-1; // Timer0: 4kHz sound (OC0A) |
3b2: 82 e1 ldi r24, 0x12 ; 18 |
3b4: 87 bd out 0x27, r24 ; 39 |
TCCR0A = 0b01000010; |
3b6: 82 e4 ldi r24, 0x42 ; 66 |
3b8: 84 bd out 0x24, r24 ; 36 |
|
ADMUX = POWER_check; // Select ADC input |
3ba: 81 e4 ldi r24, 0x41 ; 65 |
3bc: 80 93 7c 00 sts 0x007C, r24 |
ADCSRA = _BV(ADEN)|_BV(ADSC)|_BV(ADIF)|_BV(ADIE)|0b111; |
3c0: 8f ed ldi r24, 0xDF ; 223 |
3c2: 80 93 7a 00 sts 0x007A, r24 |
|
sei(); |
3c6: 78 94 sei |
BYTE b, err, *p = NULL; |
WORD s; |
|
|
ioinit(); |
f_mount(0, &fatfs); /* Enable file I/O layer */ |
3c8: 67 e2 ldi r22, 0x27 ; 39 |
3ca: 72 e0 ldi r23, 0x02 ; 2 |
3cc: 80 e0 ldi r24, 0x00 ; 0 |
3ce: 0e 94 ef 08 call 0x11de ; 0x11de <f_mount> |
3d2: cc 24 eor r12, r12 |
3d4: dd 24 eor r13, r13 |
3d6: 47 e1 ldi r20, 0x17 ; 23 |
3d8: e4 2e mov r14, r20 |
3da: 41 e0 ldi r20, 0x01 ; 1 |
3dc: f4 2e mov r15, r20 |
3de: 3b e0 ldi r19, 0x0B ; 11 |
3e0: a3 2e mov r10, r19 |
3e2: 32 e0 ldi r19, 0x02 ; 2 |
3e4: b3 2e mov r11, r19 |
// || !gp_comp(Buff, PSTR("$GPGSV")) |
// || !gp_comp(Buff, PSTR("$GPZDA")) |
// || !gp_comp(Buff, PSTR("$GPVTG")) |
) |
{ |
if (f_write(&file1, Buff, b, &s) || b != s) { err = 5; break; }; |
3e6: 2e 01 movw r4, r28 |
3e8: 08 94 sec |
3ea: 41 1c adc r4, r1 |
3ec: 51 1c adc r5, r1 |
3ee: 22 e1 ldi r18, 0x12 ; 18 |
3f0: 62 2e mov r6, r18 |
3f2: 21 e0 ldi r18, 0x01 ; 1 |
3f4: 72 2e mov r7, r18 |
3f6: 9a e6 ldi r25, 0x6A ; 106 |
3f8: 89 2e mov r8, r25 |
3fa: 91 e0 ldi r25, 0x01 ; 1 |
3fc: 99 2e mov r9, r25 |
3fe: 89 e0 ldi r24, 0x09 ; 9 |
400: 28 2e mov r2, r24 |
402: 31 2c mov r3, r1 |
404: 2e 0c add r2, r14 |
406: 3f 1c adc r3, r15 |
|
|
static |
void uart_stop (void) |
{ |
UCSR0B = 0; |
408: 10 92 c1 00 sts 0x00C1, r1 |
ioinit(); |
f_mount(0, &fatfs); /* Enable file I/O layer */ |
|
for (;;) { |
uart_stop(); |
GPS_OFF(); |
40c: 29 98 cbi 0x05, 1 ; 5 |
Timer = 100; |
40e: 84 e6 ldi r24, 0x64 ; 100 |
410: 80 93 16 01 sts 0x0116, r24 |
do { |
if (Stat & 1) Timer = 100; |
414: 80 91 69 01 lds r24, 0x0169 |
418: 80 ff sbrs r24, 0 |
41a: 03 c0 rjmp .+6 ; 0x422 <main+0xae> |
41c: 84 e6 ldi r24, 0x64 ; 100 |
41e: 80 93 16 01 sts 0x0116, r24 |
} while (Timer); |
422: 80 91 16 01 lds r24, 0x0116 |
426: 88 23 and r24, r24 |
428: a9 f7 brne .-22 ; 0x414 <main+0xa0> |
|
GPS_ON(); |
42a: 29 9a sbi 0x05, 1 ; 5 |
Timer = 255; |
42c: 8f ef ldi r24, 0xFF ; 255 |
42e: 80 93 16 01 sts 0x0116, r24 |
do { |
if ((Stat & 1) || (disk_status(0) & STA_NODISK)) Timer = 255; |
432: 80 91 69 01 lds r24, 0x0169 |
436: 80 fd sbrc r24, 0 |
438: 05 c0 rjmp .+10 ; 0x444 <main+0xd0> |
43a: 80 e0 ldi r24, 0x00 ; 0 |
43c: 0e 94 bf 0d call 0x1b7e ; 0x1b7e <disk_status> |
440: 81 ff sbrs r24, 1 |
442: 03 c0 rjmp .+6 ; 0x44a <main+0xd6> |
444: 8f ef ldi r24, 0xFF ; 255 |
446: 80 93 16 01 sts 0x0116, r24 |
} while (Timer); |
44a: 80 91 16 01 lds r24, 0x0116 |
44e: 88 23 and r24, r24 |
450: 81 f7 brne .-32 ; 0x432 <main+0xbe> |
|
beep(5, 1); // Single beep. Start to get current time. |
452: 61 e0 ldi r22, 0x01 ; 1 |
454: 85 e0 ldi r24, 0x05 ; 5 |
456: 0e 94 47 01 call 0x28e ; 0x28e <beep> |
uart_init(); |
45a: 0e 94 c0 00 call 0x180 ; 0x180 <uart_init> |
/* Initialize GPS module (depends on each product) */ |
static |
void gp_init (void) |
{ |
const prog_char *s = |
PSTR("$PSRF106,21*0F\r\n"); // Select datum of WGS84 (for EM-406A) |
45e: 27 e8 ldi r18, 0x87 ; 135 |
460: 30 e0 ldi r19, 0x00 ; 0 |
462: 06 c0 rjmp .+12 ; 0x470 <main+0xfc> |
|
/* Put a character to transmit */ |
static |
void uart_put (uint8_t d) |
{ |
while (bit_is_clear(UCSR0A, UDRE0)); |
464: 80 91 c0 00 lds r24, 0x00C0 |
468: 85 ff sbrs r24, 5 |
46a: fc cf rjmp .-8 ; 0x464 <main+0xf0> |
UDR0 = d; |
46c: 90 93 c6 00 sts 0x00C6, r25 |
470: f9 01 movw r30, r18 |
{ |
const prog_char *s = |
PSTR("$PSRF106,21*0F\r\n"); // Select datum of WGS84 (for EM-406A) |
char c; |
|
while ((c = pgm_read_byte(s++)) != 0) uart_put(c); |
472: 2f 5f subi r18, 0xFF ; 255 |
474: 3f 4f sbci r19, 0xFF ; 255 |
476: 94 91 lpm r25, Z |
478: 99 23 and r25, r25 |
47a: a1 f7 brne .-24 ; 0x464 <main+0xf0> |
|
beep(5, 1); // Single beep. Start to get current time. |
uart_init(); |
gp_init(); // Initialize GPS module to let output data in NMEA-0183 format. |
do { // Wait for valid RMC sentence. |
b = get_line(); |
47c: 0e 94 04 01 call 0x208 ; 0x208 <get_line> |
if (!b) break; |
480: 88 23 and r24, r24 |
482: 09 f4 brne .+2 ; 0x486 <main+0x112> |
484: c1 cf rjmp .-126 ; 0x408 <main+0x94> |
if (gp_comp(Buff, PSTR("$GPRMC"))) continue; |
486: 60 e8 ldi r22, 0x80 ; 128 |
488: 70 e0 ldi r23, 0x00 ; 0 |
48a: c7 01 movw r24, r14 |
48c: 0e 94 5b 01 call 0x2b6 ; 0x2b6 <gp_comp> |
490: 88 23 and r24, r24 |
492: 29 f4 brne .+10 ; 0x49e <main+0x12a> |
p = gp_col(Buff,2); |
494: 62 e0 ldi r22, 0x02 ; 2 |
496: c7 01 movw r24, r14 |
498: 0e 94 6a 01 call 0x2d4 ; 0x2d4 <gp_col> |
49c: 6c 01 movw r12, r24 |
} while (!p || *p != 'A'); |
49e: c1 14 cp r12, r1 |
4a0: d1 04 cpc r13, r1 |
4a2: 61 f3 breq .-40 ; 0x47c <main+0x108> |
4a4: f6 01 movw r30, r12 |
4a6: 80 81 ld r24, Z |
4a8: 81 34 cpi r24, 0x41 ; 65 |
4aa: 41 f7 brne .-48 ; 0x47c <main+0x108> |
if (!b) continue; |
p = gp_col(Buff,9); // Open log file with the name of current date (YYMMDD.log in UTC). |
4ac: 69 e0 ldi r22, 0x09 ; 9 |
4ae: c7 01 movw r24, r14 |
4b0: 0e 94 6a 01 call 0x2d4 ; 0x2d4 <gp_col> |
4b4: 6c 01 movw r12, r24 |
|
if (!p) {err = 3; break;} |
4b6: 00 97 sbiw r24, 0x00 ; 0 |
4b8: 11 f4 brne .+4 ; 0x4be <main+0x14a> |
4ba: 63 e0 ldi r22, 0x03 ; 3 |
4bc: a8 c0 rjmp .+336 ; 0x60e <__stack+0x10f> |
|
memcpy(&Buff[0], p+4, 2); |
4be: fc 01 movw r30, r24 |
4c0: 84 81 ldd r24, Z+4 ; 0x04 |
4c2: 95 81 ldd r25, Z+5 ; 0x05 |
4c4: 90 93 18 01 sts 0x0118, r25 |
4c8: 80 93 17 01 sts 0x0117, r24 |
memcpy(&Buff[2], p+2, 2); |
4cc: 82 81 ldd r24, Z+2 ; 0x02 |
4ce: 93 81 ldd r25, Z+3 ; 0x03 |
4d0: 90 93 1a 01 sts 0x011A, r25 |
4d4: 80 93 19 01 sts 0x0119, r24 |
memcpy(&Buff[4], p+0, 2); |
4d8: 80 81 ld r24, Z |
4da: 91 81 ldd r25, Z+1 ; 0x01 |
4dc: 90 93 1c 01 sts 0x011C, r25 |
4e0: 80 93 1b 01 sts 0x011B, r24 |
strcpy_P(&Buff[6], PSTR(".log")); |
4e4: 6b e7 ldi r22, 0x7B ; 123 |
4e6: 70 e0 ldi r23, 0x00 ; 0 |
4e8: 8d e1 ldi r24, 0x1D ; 29 |
4ea: 91 e0 ldi r25, 0x01 ; 1 |
4ec: 0e 94 8d 10 call 0x211a ; 0x211a <strcpy_P> |
if (f_open(&file1, Buff, FA_OPEN_ALWAYS | FA_WRITE) || f_lseek(&file1, file1.fsize)) { err = 4; break; } |
4f0: 42 e1 ldi r20, 0x12 ; 18 |
4f2: b7 01 movw r22, r14 |
4f4: c5 01 movw r24, r10 |
4f6: 0e 94 44 09 call 0x1288 ; 0x1288 <f_open> |
4fa: 89 2b or r24, r25 |
4fc: 09 f0 breq .+2 ; 0x500 <__stack+0x1> |
4fe: 86 c0 rjmp .+268 ; 0x60c <__stack+0x10d> |
500: 40 91 15 02 lds r20, 0x0215 |
504: 50 91 16 02 lds r21, 0x0216 |
508: 60 91 17 02 lds r22, 0x0217 |
50c: 70 91 18 02 lds r23, 0x0218 |
510: c5 01 movw r24, r10 |
512: 0e 94 8b 05 call 0xb16 ; 0xb16 <f_lseek> |
516: 89 2b or r24, r25 |
518: 09 f0 breq .+2 ; 0x51c <__stack+0x1d> |
51a: 78 c0 rjmp .+240 ; 0x60c <__stack+0x10d> |
|
beep(5, 2); // Two beeps. Start logging. |
51c: 62 e0 ldi r22, 0x02 ; 2 |
51e: 85 e0 ldi r24, 0x05 ; 5 |
520: 0e 94 47 01 call 0x28e ; 0x28e <beep> |
524: 65 c0 rjmp .+202 ; 0x5f0 <__stack+0xf1> |
err = 0; |
while ((b = get_line()) > 0) { |
if ( !gp_comp(Buff, PSTR("$GPGGA")) // Which sentence is logged? |
526: 64 e7 ldi r22, 0x74 ; 116 |
528: 70 e0 ldi r23, 0x00 ; 0 |
52a: c7 01 movw r24, r14 |
52c: 0e 94 5b 01 call 0x2b6 ; 0x2b6 <gp_comp> |
530: 88 23 and r24, r24 |
532: 41 f0 breq .+16 ; 0x544 <__stack+0x45> |
534: 6d e6 ldi r22, 0x6D ; 109 |
536: 70 e0 ldi r23, 0x00 ; 0 |
538: c7 01 movw r24, r14 |
53a: 0e 94 5b 01 call 0x2b6 ; 0x2b6 <gp_comp> |
53e: 88 23 and r24, r24 |
540: 09 f0 breq .+2 ; 0x544 <__stack+0x45> |
542: 44 c0 rjmp .+136 ; 0x5cc <__stack+0xcd> |
// || !gp_comp(Buff, PSTR("$GPGSV")) |
// || !gp_comp(Buff, PSTR("$GPZDA")) |
// || !gp_comp(Buff, PSTR("$GPVTG")) |
) |
{ |
if (f_write(&file1, Buff, b, &s) || b != s) { err = 5; break; }; |
544: 01 2f mov r16, r17 |
546: 11 27 eor r17, r17 |
548: 92 01 movw r18, r4 |
54a: a8 01 movw r20, r16 |
54c: b7 01 movw r22, r14 |
54e: c5 01 movw r24, r10 |
550: 0e 94 c0 06 call 0xd80 ; 0xd80 <f_write> |
554: 89 2b or r24, r25 |
556: 09 f0 breq .+2 ; 0x55a <__stack+0x5b> |
558: 52 c0 rjmp .+164 ; 0x5fe <__stack+0xff> |
55a: 89 81 ldd r24, Y+1 ; 0x01 |
55c: 9a 81 ldd r25, Y+2 ; 0x02 |
55e: 08 17 cp r16, r24 |
560: 19 07 cpc r17, r25 |
562: 09 f0 breq .+2 ; 0x566 <__stack+0x67> |
564: 4c c0 rjmp .+152 ; 0x5fe <__stack+0xff> |
itoa(battery,&Value1,10); |
566: 4a e0 ldi r20, 0x0A ; 10 |
568: 50 e0 ldi r21, 0x00 ; 0 |
56a: b3 01 movw r22, r6 |
56c: 80 91 6e 01 lds r24, 0x016E |
570: 90 91 6f 01 lds r25, 0x016F |
574: 0e 94 b8 10 call 0x2170 ; 0x2170 <itoa> |
itoa(intensity,&Value2,10); |
578: 4a e0 ldi r20, 0x0A ; 10 |
57a: 50 e0 ldi r21, 0x00 ; 0 |
57c: b4 01 movw r22, r8 |
57e: 80 91 09 02 lds r24, 0x0209 |
582: 90 91 0a 02 lds r25, 0x020A |
586: 0e 94 b8 10 call 0x2170 ; 0x2170 <itoa> |
strcpy(&Buff[0], Value1); |
58a: b3 01 movw r22, r6 |
58c: c7 01 movw r24, r14 |
58e: 0e 94 b1 10 call 0x2162 ; 0x2162 <strcpy> |
strcpy_P(&Buff[4], PSTR(",")); |
592: 6b e6 ldi r22, 0x6B ; 107 |
594: 70 e0 ldi r23, 0x00 ; 0 |
596: 8b e1 ldi r24, 0x1B ; 27 |
598: 91 e0 ldi r25, 0x01 ; 1 |
59a: 0e 94 8d 10 call 0x211a ; 0x211a <strcpy_P> |
strcpy(&Buff[5], Value2); |
59e: b4 01 movw r22, r8 |
5a0: 8c e1 ldi r24, 0x1C ; 28 |
5a2: 91 e0 ldi r25, 0x01 ; 1 |
5a4: 0e 94 b1 10 call 0x2162 ; 0x2162 <strcpy> |
strcpy_P(&Buff[9], PSTR("\r\n")); |
5a8: 68 e6 ldi r22, 0x68 ; 104 |
5aa: 70 e0 ldi r23, 0x00 ; 0 |
5ac: c1 01 movw r24, r2 |
5ae: 0e 94 8d 10 call 0x211a ; 0x211a <strcpy_P> |
if (f_write(&file1, Buff, 11, &s) || 11 != s) { err = 5; break; }; |
5b2: 92 01 movw r18, r4 |
5b4: 4b e0 ldi r20, 0x0B ; 11 |
5b6: 50 e0 ldi r21, 0x00 ; 0 |
5b8: b7 01 movw r22, r14 |
5ba: c5 01 movw r24, r10 |
5bc: 0e 94 c0 06 call 0xd80 ; 0xd80 <f_write> |
5c0: 89 2b or r24, r25 |
5c2: e9 f4 brne .+58 ; 0x5fe <__stack+0xff> |
5c4: 89 81 ldd r24, Y+1 ; 0x01 |
5c6: 9a 81 ldd r25, Y+2 ; 0x02 |
5c8: 0b 97 sbiw r24, 0x0b ; 11 |
5ca: c9 f4 brne .+50 ; 0x5fe <__stack+0xff> |
} |
if ((Stat & 4) == 0) continue; |
5cc: 80 91 69 01 lds r24, 0x0169 |
5d0: 82 ff sbrs r24, 2 |
5d2: 0e c0 rjmp .+28 ; 0x5f0 <__stack+0xf1> |
if (f_sync(&file1)) { err = 6; break; };// Synchronize the file in interval of 300 sec. |
5d4: c5 01 movw r24, r10 |
5d6: 0e 94 5d 06 call 0xcba ; 0xcba <f_sync> |
5da: 89 2b or r24, r25 |
5dc: 11 f0 breq .+4 ; 0x5e2 <__stack+0xe3> |
5de: 66 e0 ldi r22, 0x06 ; 6 |
5e0: 16 c0 rjmp .+44 ; 0x60e <__stack+0x10f> |
cli(); Stat &= 0xFB; sei(); // Clear sync request |
5e2: f8 94 cli |
5e4: 80 91 69 01 lds r24, 0x0169 |
5e8: 8b 7f andi r24, 0xFB ; 251 |
5ea: 80 93 69 01 sts 0x0169, r24 |
5ee: 78 94 sei |
strcpy_P(&Buff[6], PSTR(".log")); |
if (f_open(&file1, Buff, FA_OPEN_ALWAYS | FA_WRITE) || f_lseek(&file1, file1.fsize)) { err = 4; break; } |
|
beep(5, 2); // Two beeps. Start logging. |
err = 0; |
while ((b = get_line()) > 0) { |
5f0: 0e 94 04 01 call 0x208 ; 0x208 <get_line> |
5f4: 18 2f mov r17, r24 |
5f6: 88 23 and r24, r24 |
5f8: 09 f0 breq .+2 ; 0x5fc <__stack+0xfd> |
5fa: 95 cf rjmp .-214 ; 0x526 <__stack+0x27> |
5fc: 0f c0 rjmp .+30 ; 0x61c <__stack+0x11d> |
5fe: 65 e0 ldi r22, 0x05 ; 5 |
600: 06 c0 rjmp .+12 ; 0x60e <__stack+0x10f> |
uart_stop(); |
GPS_OFF(); |
if (f_close(&file1)) { err = 7; break; }; |
|
// When a long beep is sounded, the shutdoun process has been succeeded. |
beep(50, 1); |
602: 61 e0 ldi r22, 0x01 ; 1 |
604: 82 e3 ldi r24, 0x32 ; 50 |
606: 0e 94 47 01 call 0x28e ; 0x28e <beep> |
60a: fe ce rjmp .-516 ; 0x408 <main+0x94> |
60c: 64 e0 ldi r22, 0x04 ; 4 |
|
|
static |
void uart_stop (void) |
{ |
UCSR0B = 0; |
60e: 10 92 c1 00 sts 0x00C1, r1 |
beep(50, 1); |
} |
|
// Unrecoverble error. Enter shutdown state. |
uart_stop(); |
GPS_OFF(); |
612: 29 98 cbi 0x05, 1 ; 5 |
beep(25, err); |
614: 89 e1 ldi r24, 0x19 ; 25 |
616: 0e 94 47 01 call 0x28e ; 0x28e <beep> |
61a: ff cf rjmp .-2 ; 0x61a <__stack+0x11b> |
|
|
static |
void uart_stop (void) |
{ |
UCSR0B = 0; |
61c: 10 92 c1 00 sts 0x00C1, r1 |
} |
if (err) break; |
|
// Turn-off GPS power and close the log file by power supply is discharged. |
uart_stop(); |
GPS_OFF(); |
620: 29 98 cbi 0x05, 1 ; 5 |
if (f_close(&file1)) { err = 7; break; }; |
622: c5 01 movw r24, r10 |
624: 0e 94 b4 06 call 0xd68 ; 0xd68 <f_close> |
628: 89 2b or r24, r25 |
62a: 59 f3 breq .-42 ; 0x602 <__stack+0x103> |
62c: 67 e0 ldi r22, 0x07 ; 7 |
62e: ef cf rjmp .-34 ; 0x60e <__stack+0x10f> |
|
00000630 <clust2sect>: |
|
static |
DWORD clust2sect ( /* !=0: sector number, 0: failed - invalid cluster# */ |
CLUST clust /* Cluster# to be converted */ |
) |
{ |
630: cf 93 push r28 |
632: df 93 push r29 |
FATFS *fs = FatFs; |
634: c0 91 0a 01 lds r28, 0x010A |
638: d0 91 0b 01 lds r29, 0x010B |
|
|
clust -= 2; |
63c: bc 01 movw r22, r24 |
63e: 62 50 subi r22, 0x02 ; 2 |
640: 70 40 sbci r23, 0x00 ; 0 |
if (clust >= (fs->max_clust - 2)) return 0; /* Invalid cluster# */ |
642: 8e 89 ldd r24, Y+22 ; 0x16 |
644: 9f 89 ldd r25, Y+23 ; 0x17 |
646: 02 97 sbiw r24, 0x02 ; 2 |
648: 68 17 cp r22, r24 |
64a: 79 07 cpc r23, r25 |
64c: 28 f0 brcs .+10 ; 0x658 <clust2sect+0x28> |
64e: 20 e0 ldi r18, 0x00 ; 0 |
650: 30 e0 ldi r19, 0x00 ; 0 |
652: 40 e0 ldi r20, 0x00 ; 0 |
654: 50 e0 ldi r21, 0x00 ; 0 |
656: 12 c0 rjmp .+36 ; 0x67c <clust2sect+0x4c> |
return (DWORD)clust * fs->sects_clust + fs->database; |
658: 88 27 eor r24, r24 |
65a: 99 27 eor r25, r25 |
65c: 2d 8d ldd r18, Y+29 ; 0x1d |
65e: 33 27 eor r19, r19 |
660: 44 27 eor r20, r20 |
662: 55 27 eor r21, r21 |
664: 0e 94 e9 10 call 0x21d2 ; 0x21d2 <__mulsi3> |
668: 9b 01 movw r18, r22 |
66a: ac 01 movw r20, r24 |
66c: 88 89 ldd r24, Y+16 ; 0x10 |
66e: 99 89 ldd r25, Y+17 ; 0x11 |
670: aa 89 ldd r26, Y+18 ; 0x12 |
672: bb 89 ldd r27, Y+19 ; 0x13 |
674: 28 0f add r18, r24 |
676: 39 1f adc r19, r25 |
678: 4a 1f adc r20, r26 |
67a: 5b 1f adc r21, r27 |
} |
67c: ca 01 movw r24, r20 |
67e: b9 01 movw r22, r18 |
680: df 91 pop r29 |
682: cf 91 pop r28 |
684: 08 95 ret |
|
00000686 <validate>: |
static |
FRESULT validate ( /* FR_OK(0): The id is valid, !=0: Not valid */ |
const FATFS *fs, /* Pointer to the file system object */ |
WORD id /* id member of the target object to be checked */ |
) |
{ |
686: fc 01 movw r30, r24 |
if (!fs || fs->id != id) |
688: 89 2b or r24, r25 |
68a: 61 f0 breq .+24 ; 0x6a4 <validate+0x1e> |
68c: 80 81 ld r24, Z |
68e: 91 81 ldd r25, Z+1 ; 0x01 |
690: 86 17 cp r24, r22 |
692: 97 07 cpc r25, r23 |
694: 39 f4 brne .+14 ; 0x6a4 <validate+0x1e> |
return FR_INVALID_OBJECT; |
if (disk_status(0) & STA_NOINIT) |
696: 80 e0 ldi r24, 0x00 ; 0 |
698: 0e 94 bf 0d call 0x1b7e ; 0x1b7e <disk_status> |
69c: 99 27 eor r25, r25 |
69e: 81 70 andi r24, 0x01 ; 1 |
6a0: 90 70 andi r25, 0x00 ; 0 |
6a2: 08 95 ret |
6a4: 8c e0 ldi r24, 0x0C ; 12 |
6a6: 90 e0 ldi r25, 0x00 ; 0 |
return FR_NOT_READY; |
|
return FR_OK; |
} |
6a8: 08 95 ret |
|
000006aa <move_window>: |
|
static |
BOOL move_window ( /* TRUE: successful, FALSE: failed */ |
DWORD sector /* Sector number to make apperance in the FatFs->win */ |
) /* Move to zero only writes back dirty window */ |
{ |
6aa: a0 e0 ldi r26, 0x00 ; 0 |
6ac: b0 e0 ldi r27, 0x00 ; 0 |
6ae: eb e5 ldi r30, 0x5B ; 91 |
6b0: f3 e0 ldi r31, 0x03 ; 3 |
6b2: 0c 94 2e 11 jmp 0x225c ; 0x225c <__prologue_saves__+0x8> |
6b6: 4b 01 movw r8, r22 |
6b8: 5c 01 movw r10, r24 |
DWORD wsect; |
FATFS *fs = FatFs; |
6ba: c0 91 0a 01 lds r28, 0x010A |
6be: d0 91 0b 01 lds r29, 0x010B |
|
|
wsect = fs->winsect; |
6c2: cc 80 ldd r12, Y+4 ; 0x04 |
6c4: dd 80 ldd r13, Y+5 ; 0x05 |
6c6: ee 80 ldd r14, Y+6 ; 0x06 |
6c8: ff 80 ldd r15, Y+7 ; 0x07 |
if (wsect != sector) { /* Changed current window */ |
6ca: c6 16 cp r12, r22 |
6cc: d7 06 cpc r13, r23 |
6ce: e8 06 cpc r14, r24 |
6d0: f9 06 cpc r15, r25 |
6d2: 09 f4 brne .+2 ; 0x6d6 <move_window+0x2c> |
6d4: 4f c0 rjmp .+158 ; 0x774 <move_window+0xca> |
#if !_FS_READONLY |
BYTE n; |
if (fs->winflag) { /* Write back dirty window if needed */ |
6d6: 8f 8d ldd r24, Y+31 ; 0x1f |
6d8: 88 23 and r24, r24 |
6da: a1 f1 breq .+104 ; 0x744 <move_window+0x9a> |
if (disk_write(0, fs->win, wsect, 1) != RES_OK) |
6dc: 80 e2 ldi r24, 0x20 ; 32 |
6de: 68 2e mov r6, r24 |
6e0: 71 2c mov r7, r1 |
6e2: 6c 0e add r6, r28 |
6e4: 7d 1e adc r7, r29 |
6e6: 01 e0 ldi r16, 0x01 ; 1 |
6e8: a7 01 movw r20, r14 |
6ea: 96 01 movw r18, r12 |
6ec: b3 01 movw r22, r6 |
6ee: 80 e0 ldi r24, 0x00 ; 0 |
6f0: 0e 94 d3 0e call 0x1da6 ; 0x1da6 <disk_write> |
6f4: 89 2b or r24, r25 |
6f6: d9 f5 brne .+118 ; 0x76e <move_window+0xc4> |
return FALSE; |
fs->winflag = 0; |
6f8: 1f 8e std Y+31, r1 ; 0x1f |
if (wsect < (fs->fatbase + fs->sects_fat)) { /* In FAT area */ |
6fa: 8c 89 ldd r24, Y+20 ; 0x14 |
6fc: 9d 89 ldd r25, Y+21 ; 0x15 |
6fe: aa 27 eor r26, r26 |
700: bb 27 eor r27, r27 |
702: 28 85 ldd r18, Y+8 ; 0x08 |
704: 39 85 ldd r19, Y+9 ; 0x09 |
706: 4a 85 ldd r20, Y+10 ; 0x0a |
708: 5b 85 ldd r21, Y+11 ; 0x0b |
70a: 82 0f add r24, r18 |
70c: 93 1f adc r25, r19 |
70e: a4 1f adc r26, r20 |
710: b5 1f adc r27, r21 |
712: c8 16 cp r12, r24 |
714: d9 06 cpc r13, r25 |
716: ea 06 cpc r14, r26 |
718: fb 06 cpc r15, r27 |
71a: a0 f4 brcc .+40 ; 0x744 <move_window+0x9a> |
for (n = fs->n_fats; n >= 2; n--) { /* Refrect the change to all FAT copies */ |
71c: 1e 8d ldd r17, Y+30 ; 0x1e |
71e: 10 c0 rjmp .+32 ; 0x740 <move_window+0x96> |
wsect += fs->sects_fat; |
720: 8c 89 ldd r24, Y+20 ; 0x14 |
722: 9d 89 ldd r25, Y+21 ; 0x15 |
724: aa 27 eor r26, r26 |
726: bb 27 eor r27, r27 |
728: c8 0e add r12, r24 |
72a: d9 1e adc r13, r25 |
72c: ea 1e adc r14, r26 |
72e: fb 1e adc r15, r27 |
disk_write(0, fs->win, wsect, 1); |
730: 01 e0 ldi r16, 0x01 ; 1 |
732: a7 01 movw r20, r14 |
734: 96 01 movw r18, r12 |
736: b3 01 movw r22, r6 |
738: 80 e0 ldi r24, 0x00 ; 0 |
73a: 0e 94 d3 0e call 0x1da6 ; 0x1da6 <disk_write> |
if (fs->winflag) { /* Write back dirty window if needed */ |
if (disk_write(0, fs->win, wsect, 1) != RES_OK) |
return FALSE; |
fs->winflag = 0; |
if (wsect < (fs->fatbase + fs->sects_fat)) { /* In FAT area */ |
for (n = fs->n_fats; n >= 2; n--) { /* Refrect the change to all FAT copies */ |
73e: 11 50 subi r17, 0x01 ; 1 |
740: 12 30 cpi r17, 0x02 ; 2 |
742: 70 f7 brcc .-36 ; 0x720 <move_window+0x76> |
disk_write(0, fs->win, wsect, 1); |
} |
} |
} |
#endif |
if (sector) { |
744: 81 14 cp r8, r1 |
746: 91 04 cpc r9, r1 |
748: a1 04 cpc r10, r1 |
74a: b1 04 cpc r11, r1 |
74c: 99 f0 breq .+38 ; 0x774 <move_window+0xca> |
if (disk_read(0, fs->win, sector, 1) != RES_OK) |
74e: be 01 movw r22, r28 |
750: 60 5e subi r22, 0xE0 ; 224 |
752: 7f 4f sbci r23, 0xFF ; 255 |
754: 01 e0 ldi r16, 0x01 ; 1 |
756: a5 01 movw r20, r10 |
758: 94 01 movw r18, r8 |
75a: 80 e0 ldi r24, 0x00 ; 0 |
75c: 0e 94 51 0f call 0x1ea2 ; 0x1ea2 <disk_read> |
760: 89 2b or r24, r25 |
762: 29 f4 brne .+10 ; 0x76e <move_window+0xc4> |
return FALSE; |
fs->winsect = sector; |
764: 8c 82 std Y+4, r8 ; 0x04 |
766: 9d 82 std Y+5, r9 ; 0x05 |
768: ae 82 std Y+6, r10 ; 0x06 |
76a: bf 82 std Y+7, r11 ; 0x07 |
76c: 03 c0 rjmp .+6 ; 0x774 <move_window+0xca> |
76e: 80 e0 ldi r24, 0x00 ; 0 |
770: 90 e0 ldi r25, 0x00 ; 0 |
772: 02 c0 rjmp .+4 ; 0x778 <move_window+0xce> |
774: 81 e0 ldi r24, 0x01 ; 1 |
776: 90 e0 ldi r25, 0x00 ; 0 |
778: ee e0 ldi r30, 0x0E ; 14 |
77a: cd b7 in r28, 0x3d ; 61 |
77c: de b7 in r29, 0x3e ; 62 |
77e: 0c 94 4a 11 jmp 0x2294 ; 0x2294 <__epilogue_restores__+0x8> |
|
00000782 <put_cluster>: |
static |
BOOL put_cluster ( /* TRUE: successful, FALSE: failed */ |
CLUST clust, /* Cluster# to change */ |
CLUST val /* New value to mark the cluster */ |
) |
{ |
782: a0 e0 ldi r26, 0x00 ; 0 |
784: b0 e0 ldi r27, 0x00 ; 0 |
786: e7 ec ldi r30, 0xC7 ; 199 |
788: f3 e0 ldi r31, 0x03 ; 3 |
78a: 0c 94 2d 11 jmp 0x225a ; 0x225a <__prologue_saves__+0x6> |
78e: ec 01 movw r28, r24 |
790: 5b 01 movw r10, r22 |
WORD bc; |
BYTE *p; |
DWORD fatsect; |
FATFS *fs = FatFs; |
792: 80 90 0a 01 lds r8, 0x010A |
796: 90 90 0b 01 lds r9, 0x010B |
|
|
fatsect = fs->fatbase; |
79a: f4 01 movw r30, r8 |
79c: c0 84 ldd r12, Z+8 ; 0x08 |
79e: d1 84 ldd r13, Z+9 ; 0x09 |
7a0: e2 84 ldd r14, Z+10 ; 0x0a |
7a2: f3 84 ldd r15, Z+11 ; 0x0b |
switch (fs->fs_type) { |
7a4: 84 8d ldd r24, Z+28 ; 0x1c |
7a6: 81 30 cpi r24, 0x01 ; 1 |
7a8: 21 f0 breq .+8 ; 0x7b2 <put_cluster+0x30> |
7aa: 82 30 cpi r24, 0x02 ; 2 |
7ac: 09 f0 breq .+2 ; 0x7b0 <put_cluster+0x2e> |
7ae: 70 c0 rjmp .+224 ; 0x890 <put_cluster+0x10e> |
7b0: 56 c0 rjmp .+172 ; 0x85e <put_cluster+0xdc> |
case FS_FAT12 : |
bc = (WORD)clust * 3 / 2; |
7b2: 8e 01 movw r16, r28 |
7b4: 00 0f add r16, r16 |
7b6: 11 1f adc r17, r17 |
7b8: 0c 0f add r16, r28 |
7ba: 1d 1f adc r17, r29 |
7bc: 16 95 lsr r17 |
7be: 07 95 ror r16 |
if (!move_window(fatsect + bc / 512)) return FALSE; |
7c0: b8 01 movw r22, r16 |
7c2: 67 2f mov r22, r23 |
7c4: 77 27 eor r23, r23 |
7c6: 66 95 lsr r22 |
7c8: 88 27 eor r24, r24 |
7ca: 99 27 eor r25, r25 |
7cc: 6c 0d add r22, r12 |
7ce: 7d 1d adc r23, r13 |
7d0: 8e 1d adc r24, r14 |
7d2: 9f 1d adc r25, r15 |
7d4: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
7d8: 88 23 and r24, r24 |
7da: 09 f4 brne .+2 ; 0x7de <put_cluster+0x5c> |
7dc: 59 c0 rjmp .+178 ; 0x890 <put_cluster+0x10e> |
p = &fs->win[bc % 512]; |
7de: 60 e2 ldi r22, 0x20 ; 32 |
7e0: 66 2e mov r6, r22 |
7e2: 71 2c mov r7, r1 |
7e4: 68 0c add r6, r8 |
7e6: 79 1c adc r7, r9 |
7e8: f8 01 movw r30, r16 |
7ea: f1 70 andi r31, 0x01 ; 1 |
7ec: e6 0d add r30, r6 |
7ee: f7 1d adc r31, r7 |
*p = (clust & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val; |
7f0: ce 01 movw r24, r28 |
7f2: 81 70 andi r24, 0x01 ; 1 |
7f4: 90 70 andi r25, 0x00 ; 0 |
7f6: 58 2e mov r5, r24 |
7f8: 88 23 and r24, r24 |
7fa: 39 f0 breq .+14 ; 0x80a <put_cluster+0x88> |
7fc: 80 81 ld r24, Z |
7fe: 8f 70 andi r24, 0x0F ; 15 |
800: 9a 2d mov r25, r10 |
802: 92 95 swap r25 |
804: 90 7f andi r25, 0xF0 ; 240 |
806: 98 2b or r25, r24 |
808: 01 c0 rjmp .+2 ; 0x80c <put_cluster+0x8a> |
80a: 9a 2d mov r25, r10 |
80c: 90 83 st Z, r25 |
bc++; |
80e: e8 01 movw r28, r16 |
810: 21 96 adiw r28, 0x01 ; 1 |
fs->winflag = 1; |
812: 81 e0 ldi r24, 0x01 ; 1 |
814: f4 01 movw r30, r8 |
816: 87 8f std Z+31, r24 ; 0x1f |
if (!move_window(fatsect + bc / 512)) return FALSE; |
818: be 01 movw r22, r28 |
81a: 67 2f mov r22, r23 |
81c: 77 27 eor r23, r23 |
81e: 66 95 lsr r22 |
820: 88 27 eor r24, r24 |
822: 99 27 eor r25, r25 |
824: 6c 0d add r22, r12 |
826: 7d 1d adc r23, r13 |
828: 8e 1d adc r24, r14 |
82a: 9f 1d adc r25, r15 |
82c: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
830: 88 23 and r24, r24 |
832: 71 f1 breq .+92 ; 0x890 <put_cluster+0x10e> |
p = &fs->win[bc % 512]; |
834: fe 01 movw r30, r28 |
836: f1 70 andi r31, 0x01 ; 1 |
838: e6 0d add r30, r6 |
83a: f7 1d adc r31, r7 |
*p = (clust & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F)); |
83c: 55 20 and r5, r5 |
83e: 39 f0 breq .+14 ; 0x84e <put_cluster+0xcc> |
840: 44 e0 ldi r20, 0x04 ; 4 |
842: b6 94 lsr r11 |
844: a7 94 ror r10 |
846: 4a 95 dec r20 |
848: e1 f7 brne .-8 ; 0x842 <put_cluster+0xc0> |
84a: 2a 2d mov r18, r10 |
84c: 06 c0 rjmp .+12 ; 0x85a <put_cluster+0xd8> |
84e: 20 81 ld r18, Z |
850: 20 7f andi r18, 0xF0 ; 240 |
852: 8b 2d mov r24, r11 |
854: 99 27 eor r25, r25 |
856: 8f 70 andi r24, 0x0F ; 15 |
858: 28 2b or r18, r24 |
85a: 20 83 st Z, r18 |
85c: 13 c0 rjmp .+38 ; 0x884 <put_cluster+0x102> |
break; |
|
case FS_FAT16 : |
if (!move_window(fatsect + clust / 256)) return FALSE; |
85e: 6d 2f mov r22, r29 |
860: 77 27 eor r23, r23 |
862: 88 27 eor r24, r24 |
864: 99 27 eor r25, r25 |
866: 6c 0d add r22, r12 |
868: 7d 1d adc r23, r13 |
86a: 8e 1d adc r24, r14 |
86c: 9f 1d adc r25, r15 |
86e: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
872: 88 23 and r24, r24 |
874: 69 f0 breq .+26 ; 0x890 <put_cluster+0x10e> |
ST_WORD(&fs->win[((WORD)clust * 2) % 512], (WORD)val); |
876: cc 0f add r28, r28 |
878: dd 1f adc r29, r29 |
87a: d1 70 andi r29, 0x01 ; 1 |
87c: c8 0d add r28, r8 |
87e: d9 1d adc r29, r9 |
880: b9 a2 std Y+33, r11 ; 0x21 |
882: a8 a2 std Y+32, r10 ; 0x20 |
break; |
#endif |
default : |
return FALSE; |
} |
fs->winflag = 1; |
884: 81 e0 ldi r24, 0x01 ; 1 |
886: f4 01 movw r30, r8 |
888: 87 8f std Z+31, r24 ; 0x1f |
88a: 81 e0 ldi r24, 0x01 ; 1 |
88c: 90 e0 ldi r25, 0x00 ; 0 |
88e: 02 c0 rjmp .+4 ; 0x894 <put_cluster+0x112> |
return TRUE; |
890: 80 e0 ldi r24, 0x00 ; 0 |
892: 90 e0 ldi r25, 0x00 ; 0 |
894: ef e0 ldi r30, 0x0F ; 15 |
896: cd b7 in r28, 0x3d ; 61 |
898: de b7 in r29, 0x3e ; 62 |
89a: 0c 94 49 11 jmp 0x2292 ; 0x2292 <__epilogue_restores__+0x6> |
|
0000089e <get_cluster>: |
|
static |
CLUST get_cluster ( /* 0,>=2: successful, 1: failed */ |
CLUST clust /* Cluster# to get the link information */ |
) |
{ |
89e: a0 e0 ldi r26, 0x00 ; 0 |
8a0: b0 e0 ldi r27, 0x00 ; 0 |
8a2: e5 e5 ldi r30, 0x55 ; 85 |
8a4: f4 e0 ldi r31, 0x04 ; 4 |
8a6: 0c 94 31 11 jmp 0x2262 ; 0x2262 <__prologue_saves__+0xe> |
8aa: 8c 01 movw r16, r24 |
WORD wc, bc; |
DWORD fatsect; |
FATFS *fs = FatFs; |
8ac: e0 90 0a 01 lds r14, 0x010A |
8b0: f0 90 0b 01 lds r15, 0x010B |
|
|
if (clust >= 2 && clust < fs->max_clust) { /* Valid cluster# */ |
8b4: 02 97 sbiw r24, 0x02 ; 2 |
8b6: 08 f4 brcc .+2 ; 0x8ba <get_cluster+0x1c> |
8b8: 67 c0 rjmp .+206 ; 0x988 <get_cluster+0xea> |
8ba: f7 01 movw r30, r14 |
8bc: 86 89 ldd r24, Z+22 ; 0x16 |
8be: 97 89 ldd r25, Z+23 ; 0x17 |
8c0: 08 17 cp r16, r24 |
8c2: 19 07 cpc r17, r25 |
8c4: 08 f0 brcs .+2 ; 0x8c8 <get_cluster+0x2a> |
8c6: 60 c0 rjmp .+192 ; 0x988 <get_cluster+0xea> |
fatsect = fs->fatbase; |
8c8: a0 84 ldd r10, Z+8 ; 0x08 |
8ca: b1 84 ldd r11, Z+9 ; 0x09 |
8cc: c2 84 ldd r12, Z+10 ; 0x0a |
8ce: d3 84 ldd r13, Z+11 ; 0x0b |
switch (fs->fs_type) { |
8d0: 84 8d ldd r24, Z+28 ; 0x1c |
8d2: 81 30 cpi r24, 0x01 ; 1 |
8d4: 21 f0 breq .+8 ; 0x8de <get_cluster+0x40> |
8d6: 82 30 cpi r24, 0x02 ; 2 |
8d8: 09 f0 breq .+2 ; 0x8dc <get_cluster+0x3e> |
8da: 56 c0 rjmp .+172 ; 0x988 <get_cluster+0xea> |
8dc: 40 c0 rjmp .+128 ; 0x95e <get_cluster+0xc0> |
case FS_FAT12 : |
bc = (WORD)clust * 3 / 2; |
8de: e8 01 movw r28, r16 |
8e0: cc 0f add r28, r28 |
8e2: dd 1f adc r29, r29 |
8e4: c0 0f add r28, r16 |
8e6: d1 1f adc r29, r17 |
8e8: d6 95 lsr r29 |
8ea: c7 95 ror r28 |
if (!move_window(fatsect + bc / 512)) break; |
8ec: be 01 movw r22, r28 |
8ee: 67 2f mov r22, r23 |
8f0: 77 27 eor r23, r23 |
8f2: 66 95 lsr r22 |
8f4: 88 27 eor r24, r24 |
8f6: 99 27 eor r25, r25 |
8f8: 6a 0d add r22, r10 |
8fa: 7b 1d adc r23, r11 |
8fc: 8c 1d adc r24, r12 |
8fe: 9d 1d adc r25, r13 |
900: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
904: 88 23 and r24, r24 |
906: 09 f4 brne .+2 ; 0x90a <get_cluster+0x6c> |
908: 3f c0 rjmp .+126 ; 0x988 <get_cluster+0xea> |
wc = fs->win[bc % 512]; bc++; |
90a: fe 01 movw r30, r28 |
90c: f1 70 andi r31, 0x01 ; 1 |
90e: ee 0d add r30, r14 |
910: ff 1d adc r31, r15 |
912: 90 a0 ldd r9, Z+32 ; 0x20 |
914: 21 96 adiw r28, 0x01 ; 1 |
if (!move_window(fatsect + bc / 512)) break; |
916: be 01 movw r22, r28 |
918: 67 2f mov r22, r23 |
91a: 77 27 eor r23, r23 |
91c: 66 95 lsr r22 |
91e: 88 27 eor r24, r24 |
920: 99 27 eor r25, r25 |
922: 6a 0d add r22, r10 |
924: 7b 1d adc r23, r11 |
926: 8c 1d adc r24, r12 |
928: 9d 1d adc r25, r13 |
92a: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
92e: 88 23 and r24, r24 |
930: 59 f1 breq .+86 ; 0x988 <get_cluster+0xea> |
fatsect = fs->fatbase; |
switch (fs->fs_type) { |
case FS_FAT12 : |
bc = (WORD)clust * 3 / 2; |
if (!move_window(fatsect + bc / 512)) break; |
wc = fs->win[bc % 512]; bc++; |
932: 29 2d mov r18, r9 |
934: 33 27 eor r19, r19 |
if (!move_window(fatsect + bc / 512)) break; |
wc |= (WORD)fs->win[bc % 512] << 8; |
936: d1 70 andi r29, 0x01 ; 1 |
938: ec 0e add r14, r28 |
93a: fd 1e adc r15, r29 |
93c: f7 01 movw r30, r14 |
93e: 80 a1 ldd r24, Z+32 ; 0x20 |
940: 99 27 eor r25, r25 |
942: 98 2f mov r25, r24 |
944: 88 27 eor r24, r24 |
946: 82 2b or r24, r18 |
948: 93 2b or r25, r19 |
return (clust & 1) ? (wc >> 4) : (wc & 0xFFF); |
94a: 00 ff sbrs r16, 0 |
94c: 06 c0 rjmp .+12 ; 0x95a <get_cluster+0xbc> |
94e: 24 e0 ldi r18, 0x04 ; 4 |
950: 96 95 lsr r25 |
952: 87 95 ror r24 |
954: 2a 95 dec r18 |
956: e1 f7 brne .-8 ; 0x950 <get_cluster+0xb2> |
958: 19 c0 rjmp .+50 ; 0x98c <get_cluster+0xee> |
95a: 9f 70 andi r25, 0x0F ; 15 |
95c: 17 c0 rjmp .+46 ; 0x98c <get_cluster+0xee> |
|
case FS_FAT16 : |
if (!move_window(fatsect + clust / 256)) break; |
95e: 61 2f mov r22, r17 |
960: 77 27 eor r23, r23 |
962: 88 27 eor r24, r24 |
964: 99 27 eor r25, r25 |
966: 6a 0d add r22, r10 |
968: 7b 1d adc r23, r11 |
96a: 8c 1d adc r24, r12 |
96c: 9d 1d adc r25, r13 |
96e: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
972: 88 23 and r24, r24 |
974: 49 f0 breq .+18 ; 0x988 <get_cluster+0xea> |
return LD_WORD(&fs->win[((WORD)clust * 2) % 512]); |
976: 00 0f add r16, r16 |
978: 11 1f adc r17, r17 |
97a: 11 70 andi r17, 0x01 ; 1 |
97c: e0 0e add r14, r16 |
97e: f1 1e adc r15, r17 |
980: f7 01 movw r30, r14 |
982: 80 a1 ldd r24, Z+32 ; 0x20 |
984: 91 a1 ldd r25, Z+33 ; 0x21 |
986: 02 c0 rjmp .+4 ; 0x98c <get_cluster+0xee> |
988: 81 e0 ldi r24, 0x01 ; 1 |
98a: 90 e0 ldi r25, 0x00 ; 0 |
98c: eb e0 ldi r30, 0x0B ; 11 |
98e: cd b7 in r28, 0x3d ; 61 |
990: de b7 in r29, 0x3e ; 62 |
992: 0c 94 4d 11 jmp 0x229a ; 0x229a <__epilogue_restores__+0xe> |
|
00000996 <next_dir_entry>: |
|
static |
BOOL next_dir_entry ( /* TRUE: successful, FALSE: could not move next */ |
DIR *dirobj /* Pointer to directory object */ |
) |
{ |
996: ef 92 push r14 |
998: ff 92 push r15 |
99a: 0f 93 push r16 |
99c: 1f 93 push r17 |
99e: cf 93 push r28 |
9a0: df 93 push r29 |
9a2: ec 01 movw r28, r24 |
CLUST clust; |
WORD idx; |
FATFS *fs = FatFs; |
9a4: e0 90 0a 01 lds r14, 0x010A |
9a8: f0 90 0b 01 lds r15, 0x010B |
|
|
idx = dirobj->index + 1; |
9ac: 0a 81 ldd r16, Y+2 ; 0x02 |
9ae: 1b 81 ldd r17, Y+3 ; 0x03 |
9b0: 0f 5f subi r16, 0xFF ; 255 |
9b2: 1f 4f sbci r17, 0xFF ; 255 |
if ((idx & 15) == 0) { /* Table sector changed? */ |
9b4: c8 01 movw r24, r16 |
9b6: 8f 70 andi r24, 0x0F ; 15 |
9b8: 90 70 andi r25, 0x00 ; 0 |
9ba: 89 2b or r24, r25 |
9bc: d1 f5 brne .+116 ; 0xa32 <next_dir_entry+0x9c> |
dirobj->sect++; /* Next sector */ |
9be: 8a 85 ldd r24, Y+10 ; 0x0a |
9c0: 9b 85 ldd r25, Y+11 ; 0x0b |
9c2: ac 85 ldd r26, Y+12 ; 0x0c |
9c4: bd 85 ldd r27, Y+13 ; 0x0d |
9c6: 01 96 adiw r24, 0x01 ; 1 |
9c8: a1 1d adc r26, r1 |
9ca: b1 1d adc r27, r1 |
9cc: 8a 87 std Y+10, r24 ; 0x0a |
9ce: 9b 87 std Y+11, r25 ; 0x0b |
9d0: ac 87 std Y+12, r26 ; 0x0c |
9d2: bd 87 std Y+13, r27 ; 0x0d |
if (!dirobj->clust) { /* In static table */ |
9d4: 48 85 ldd r20, Y+8 ; 0x08 |
9d6: 59 85 ldd r21, Y+9 ; 0x09 |
9d8: 41 15 cp r20, r1 |
9da: 51 05 cpc r21, r1 |
9dc: 39 f4 brne .+14 ; 0x9ec <next_dir_entry+0x56> |
if (idx >= fs->n_rootdir) return FALSE; /* Reached to end of table */ |
9de: f7 01 movw r30, r14 |
9e0: 82 81 ldd r24, Z+2 ; 0x02 |
9e2: 93 81 ldd r25, Z+3 ; 0x03 |
9e4: 08 17 cp r16, r24 |
9e6: 19 07 cpc r17, r25 |
9e8: 20 f1 brcs .+72 ; 0xa32 <next_dir_entry+0x9c> |
9ea: 28 c0 rjmp .+80 ; 0xa3c <next_dir_entry+0xa6> |
} else { /* In dynamic table */ |
if (((idx / 16) & (fs->sects_clust - 1)) == 0) { /* Cluster changed? */ |
9ec: f7 01 movw r30, r14 |
9ee: 85 8d ldd r24, Z+29 ; 0x1d |
9f0: 99 27 eor r25, r25 |
9f2: 01 97 sbiw r24, 0x01 ; 1 |
9f4: 98 01 movw r18, r16 |
9f6: b4 e0 ldi r27, 0x04 ; 4 |
9f8: 36 95 lsr r19 |
9fa: 27 95 ror r18 |
9fc: ba 95 dec r27 |
9fe: e1 f7 brne .-8 ; 0x9f8 <next_dir_entry+0x62> |
a00: 82 23 and r24, r18 |
a02: 93 23 and r25, r19 |
a04: 89 2b or r24, r25 |
a06: a9 f4 brne .+42 ; 0xa32 <next_dir_entry+0x9c> |
clust = get_cluster(dirobj->clust); /* Get next cluster */ |
a08: ca 01 movw r24, r20 |
a0a: 0e 94 4f 04 call 0x89e ; 0x89e <get_cluster> |
a0e: 9c 01 movw r18, r24 |
if (clust < 2 || clust >= fs->max_clust) /* Reached to end of table */ |
a10: 02 97 sbiw r24, 0x02 ; 2 |
a12: a0 f0 brcs .+40 ; 0xa3c <next_dir_entry+0xa6> |
a14: f7 01 movw r30, r14 |
a16: 86 89 ldd r24, Z+22 ; 0x16 |
a18: 97 89 ldd r25, Z+23 ; 0x17 |
a1a: 28 17 cp r18, r24 |
a1c: 39 07 cpc r19, r25 |
a1e: 70 f4 brcc .+28 ; 0xa3c <next_dir_entry+0xa6> |
return FALSE; |
dirobj->clust = clust; /* Initialize for new cluster */ |
a20: 39 87 std Y+9, r19 ; 0x09 |
a22: 28 87 std Y+8, r18 ; 0x08 |
dirobj->sect = clust2sect(clust); |
a24: c9 01 movw r24, r18 |
a26: 0e 94 18 03 call 0x630 ; 0x630 <clust2sect> |
a2a: 6a 87 std Y+10, r22 ; 0x0a |
a2c: 7b 87 std Y+11, r23 ; 0x0b |
a2e: 8c 87 std Y+12, r24 ; 0x0c |
a30: 9d 87 std Y+13, r25 ; 0x0d |
} |
} |
} |
dirobj->index = idx; /* Lower 4 bit of dirobj->index indicates offset in dirobj->sect */ |
a32: 1b 83 std Y+3, r17 ; 0x03 |
a34: 0a 83 std Y+2, r16 ; 0x02 |
a36: 81 e0 ldi r24, 0x01 ; 1 |
a38: 90 e0 ldi r25, 0x00 ; 0 |
a3a: 02 c0 rjmp .+4 ; 0xa40 <next_dir_entry+0xaa> |
return TRUE; |
a3c: 80 e0 ldi r24, 0x00 ; 0 |
a3e: 90 e0 ldi r25, 0x00 ; 0 |
a40: e6 e0 ldi r30, 0x06 ; 6 |
a42: cd b7 in r28, 0x3d ; 61 |
a44: de b7 in r29, 0x3e ; 62 |
a46: 0c 94 52 11 jmp 0x22a4 ; 0x22a4 <__epilogue_restores__+0x18> |
|
00000a4a <create_chain>: |
#if !_FS_READONLY |
static |
CLUST create_chain ( /* 0: no free cluster, 1: error, >=2: new cluster number */ |
CLUST clust /* Cluster# to stretch, 0 means create new */ |
) |
{ |
a4a: a0 e0 ldi r26, 0x00 ; 0 |
a4c: b0 e0 ldi r27, 0x00 ; 0 |
a4e: eb e2 ldi r30, 0x2B ; 43 |
a50: f5 e0 ldi r31, 0x05 ; 5 |
a52: 0c 94 32 11 jmp 0x2264 ; 0x2264 <__prologue_saves__+0x10> |
a56: 7c 01 movw r14, r24 |
CLUST cstat, ncl, scl, mcl; |
FATFS *fs = FatFs; |
a58: a0 90 0a 01 lds r10, 0x010A |
a5c: b0 90 0b 01 lds r11, 0x010B |
|
|
mcl = fs->max_clust; |
a60: f5 01 movw r30, r10 |
a62: c6 88 ldd r12, Z+22 ; 0x16 |
a64: d7 88 ldd r13, Z+23 ; 0x17 |
if (clust == 0) { /* Create new chain */ |
a66: 00 97 sbiw r24, 0x00 ; 0 |
a68: 49 f4 brne .+18 ; 0xa7c <create_chain+0x32> |
scl = fs->last_clust; /* Get last allocated cluster */ |
a6a: 00 8d ldd r16, Z+24 ; 0x18 |
a6c: 11 8d ldd r17, Z+25 ; 0x19 |
if (scl < 2 || scl >= mcl) scl = 1; |
a6e: 02 30 cpi r16, 0x02 ; 2 |
a70: 11 05 cpc r17, r1 |
a72: 80 f0 brcs .+32 ; 0xa94 <create_chain+0x4a> |
a74: 0c 15 cp r16, r12 |
a76: 1d 05 cpc r17, r13 |
a78: 68 f4 brcc .+26 ; 0xa94 <create_chain+0x4a> |
a7a: 0e c0 rjmp .+28 ; 0xa98 <create_chain+0x4e> |
} |
else { /* Stretch existing chain */ |
cstat = get_cluster(clust); /* Check the cluster status */ |
a7c: 0e 94 4f 04 call 0x89e ; 0x89e <get_cluster> |
if (cstat < 2) return 1; /* It is an invalid cluster */ |
a80: 82 30 cpi r24, 0x02 ; 2 |
a82: 91 05 cpc r25, r1 |
a84: e8 f1 brcs .+122 ; 0xb00 <create_chain+0xb6> |
if (cstat < mcl) return cstat; /* It is already followed by next cluster */ |
a86: 8c 15 cp r24, r12 |
a88: 9d 05 cpc r25, r13 |
a8a: 10 f4 brcc .+4 ; 0xa90 <create_chain+0x46> |
a8c: bc 01 movw r22, r24 |
a8e: 3d c0 rjmp .+122 ; 0xb0a <create_chain+0xc0> |
a90: 87 01 movw r16, r14 |
a92: 02 c0 rjmp .+4 ; 0xa98 <create_chain+0x4e> |
a94: 01 e0 ldi r16, 0x01 ; 1 |
a96: 10 e0 ldi r17, 0x00 ; 0 |
a98: e8 01 movw r28, r16 |
scl = clust; |
} |
|
ncl = scl; /* Start cluster */ |
for (;;) { |
ncl++; /* Next cluster */ |
a9a: 21 96 adiw r28, 0x01 ; 1 |
if (ncl >= mcl) { /* Wrap around */ |
a9c: cc 15 cp r28, r12 |
a9e: dd 05 cpc r29, r13 |
aa0: 28 f0 brcs .+10 ; 0xaac <create_chain+0x62> |
ncl = 2; |
if (ncl > scl) return 0; /* No free custer */ |
aa2: 02 30 cpi r16, 0x02 ; 2 |
aa4: 11 05 cpc r17, r1 |
aa6: 78 f1 brcs .+94 ; 0xb06 <create_chain+0xbc> |
aa8: c2 e0 ldi r28, 0x02 ; 2 |
aaa: d0 e0 ldi r29, 0x00 ; 0 |
} |
cstat = get_cluster(ncl); /* Get the cluster status */ |
aac: ce 01 movw r24, r28 |
aae: 0e 94 4f 04 call 0x89e ; 0x89e <get_cluster> |
if (cstat == 0) break; /* Found a free cluster */ |
ab2: 00 97 sbiw r24, 0x00 ; 0 |
ab4: 31 f0 breq .+12 ; 0xac2 <create_chain+0x78> |
if (cstat == 1) return 1; /* Any error occured */ |
ab6: 01 97 sbiw r24, 0x01 ; 1 |
ab8: 19 f1 breq .+70 ; 0xb00 <create_chain+0xb6> |
if (ncl == scl) return 0; /* No free custer */ |
aba: c0 17 cp r28, r16 |
abc: d1 07 cpc r29, r17 |
abe: 19 f1 breq .+70 ; 0xb06 <create_chain+0xbc> |
ac0: ec cf rjmp .-40 ; 0xa9a <create_chain+0x50> |
} |
|
if (!put_cluster(ncl, (CLUST)0x0FFFFFFF)) return 1; /* Mark the new cluster "in use" */ |
ac2: 6f ef ldi r22, 0xFF ; 255 |
ac4: 7f ef ldi r23, 0xFF ; 255 |
ac6: ce 01 movw r24, r28 |
ac8: 0e 94 c1 03 call 0x782 ; 0x782 <put_cluster> |
acc: 88 23 and r24, r24 |
ace: c1 f0 breq .+48 ; 0xb00 <create_chain+0xb6> |
if (clust && !put_cluster(clust, ncl)) return 1; /* Link it to previous one if needed */ |
ad0: e1 14 cp r14, r1 |
ad2: f1 04 cpc r15, r1 |
ad4: 31 f0 breq .+12 ; 0xae2 <create_chain+0x98> |
ad6: be 01 movw r22, r28 |
ad8: c7 01 movw r24, r14 |
ada: 0e 94 c1 03 call 0x782 ; 0x782 <put_cluster> |
ade: 88 23 and r24, r24 |
ae0: 79 f0 breq .+30 ; 0xb00 <create_chain+0xb6> |
|
fs->last_clust = ncl; /* Update fsinfo */ |
ae2: f5 01 movw r30, r10 |
ae4: d1 8f std Z+25, r29 ; 0x19 |
ae6: c0 8f std Z+24, r28 ; 0x18 |
if (fs->free_clust != (CLUST)0xFFFFFFFF) { |
ae8: 82 8d ldd r24, Z+26 ; 0x1a |
aea: 93 8d ldd r25, Z+27 ; 0x1b |
aec: ff ef ldi r31, 0xFF ; 255 |
aee: 8f 3f cpi r24, 0xFF ; 255 |
af0: 9f 07 cpc r25, r31 |
af2: 21 f0 breq .+8 ; 0xafc <create_chain+0xb2> |
fs->free_clust--; |
af4: 01 97 sbiw r24, 0x01 ; 1 |
af6: f5 01 movw r30, r10 |
af8: 93 8f std Z+27, r25 ; 0x1b |
afa: 82 8f std Z+26, r24 ; 0x1a |
afc: be 01 movw r22, r28 |
afe: 05 c0 rjmp .+10 ; 0xb0a <create_chain+0xc0> |
b00: 61 e0 ldi r22, 0x01 ; 1 |
b02: 70 e0 ldi r23, 0x00 ; 0 |
b04: 02 c0 rjmp .+4 ; 0xb0a <create_chain+0xc0> |
b06: 60 e0 ldi r22, 0x00 ; 0 |
b08: 70 e0 ldi r23, 0x00 ; 0 |
fs->fsi_flag = 1; |
#endif |
} |
|
return ncl; /* Return new cluster number */ |
} |
b0a: cb 01 movw r24, r22 |
b0c: ea e0 ldi r30, 0x0A ; 10 |
b0e: cd b7 in r28, 0x3d ; 61 |
b10: de b7 in r29, 0x3e ; 62 |
b12: 0c 94 4e 11 jmp 0x229c ; 0x229c <__epilogue_restores__+0x10> |
|
00000b16 <f_lseek>: |
|
FRESULT f_lseek ( |
FIL *fp, /* Pointer to the file object */ |
DWORD ofs /* File pointer from top of file */ |
) |
{ |
b16: a0 e0 ldi r26, 0x00 ; 0 |
b18: b0 e0 ldi r27, 0x00 ; 0 |
b1a: e1 e9 ldi r30, 0x91 ; 145 |
b1c: f5 e0 ldi r31, 0x05 ; 5 |
b1e: 0c 94 2a 11 jmp 0x2254 ; 0x2254 <__prologue_saves__> |
b22: ec 01 movw r28, r24 |
b24: 3a 01 movw r6, r20 |
b26: 4b 01 movw r8, r22 |
CLUST clust; |
DWORD csize; |
BYTE csect; |
FRESULT res; |
FATFS *fs = fp->fs; |
b28: 4c 80 ldd r4, Y+4 ; 0x04 |
b2a: 5d 80 ldd r5, Y+5 ; 0x05 |
|
|
res = validate(fs, fp->id); /* Check validity of the object */ |
b2c: 68 81 ld r22, Y |
b2e: 79 81 ldd r23, Y+1 ; 0x01 |
b30: c2 01 movw r24, r4 |
b32: 0e 94 43 03 call 0x686 ; 0x686 <validate> |
b36: 1c 01 movw r2, r24 |
if (res) return res; |
b38: 89 2b or r24, r25 |
b3a: 09 f0 breq .+2 ; 0xb3e <f_lseek+0x28> |
b3c: b8 c0 rjmp .+368 ; 0xcae <f_lseek+0x198> |
|
if (fp->flag & FA__ERROR) return FR_RW_ERROR; |
b3e: 2a 81 ldd r18, Y+2 ; 0x02 |
b40: 22 23 and r18, r18 |
b42: 0c f4 brge .+2 ; 0xb46 <f_lseek+0x30> |
b44: b1 c0 rjmp .+354 ; 0xca8 <f_lseek+0x192> |
#if !_FS_READONLY |
if (ofs > fp->fsize && !(fp->flag & FA_WRITE)) |
b46: 8a 85 ldd r24, Y+10 ; 0x0a |
b48: 9b 85 ldd r25, Y+11 ; 0x0b |
b4a: ac 85 ldd r26, Y+12 ; 0x0c |
b4c: bd 85 ldd r27, Y+13 ; 0x0d |
b4e: 86 15 cp r24, r6 |
b50: 97 05 cpc r25, r7 |
b52: a8 05 cpc r26, r8 |
b54: b9 05 cpc r27, r9 |
b56: 20 f4 brcc .+8 ; 0xb60 <f_lseek+0x4a> |
b58: 21 fd sbrc r18, 1 |
b5a: 02 c0 rjmp .+4 ; 0xb60 <f_lseek+0x4a> |
b5c: 3c 01 movw r6, r24 |
b5e: 4d 01 movw r8, r26 |
#else |
if (ofs > fp->fsize) |
#endif |
ofs = fp->fsize; |
fp->fptr = 0; fp->sect_clust = 1; /* Set file R/W pointer to top of the file */ |
b60: 1e 82 std Y+6, r1 ; 0x06 |
b62: 1f 82 std Y+7, r1 ; 0x07 |
b64: 18 86 std Y+8, r1 ; 0x08 |
b66: 19 86 std Y+9, r1 ; 0x09 |
b68: 81 e0 ldi r24, 0x01 ; 1 |
b6a: 8b 83 std Y+3, r24 ; 0x03 |
|
/* Move file R/W pointer if needed */ |
if (ofs) { |
b6c: 61 14 cp r6, r1 |
b6e: 71 04 cpc r7, r1 |
b70: 81 04 cpc r8, r1 |
b72: 91 04 cpc r9, r1 |
b74: 09 f4 brne .+2 ; 0xb78 <f_lseek+0x62> |
b76: 7e c0 rjmp .+252 ; 0xc74 <f_lseek+0x15e> |
clust = fp->org_clust; /* Get start cluster */ |
b78: 2e 85 ldd r18, Y+14 ; 0x0e |
b7a: 3f 85 ldd r19, Y+15 ; 0x0f |
#if !_FS_READONLY |
if (!clust) { /* If the file does not have a cluster chain, create new cluster chain */ |
b7c: 21 15 cp r18, r1 |
b7e: 31 05 cpc r19, r1 |
b80: 71 f4 brne .+28 ; 0xb9e <f_lseek+0x88> |
clust = create_chain(0); |
b82: 80 e0 ldi r24, 0x00 ; 0 |
b84: 90 e0 ldi r25, 0x00 ; 0 |
b86: 0e 94 25 05 call 0xa4a ; 0xa4a <create_chain> |
b8a: 9c 01 movw r18, r24 |
if (clust == 1) goto fk_error; |
b8c: 81 30 cpi r24, 0x01 ; 1 |
b8e: 91 05 cpc r25, r1 |
b90: 09 f4 brne .+2 ; 0xb94 <f_lseek+0x7e> |
b92: 87 c0 rjmp .+270 ; 0xca2 <f_lseek+0x18c> |
fp->org_clust = clust; |
b94: 9f 87 std Y+15, r25 ; 0x0f |
b96: 8e 87 std Y+14, r24 ; 0x0e |
} |
#endif |
if (clust) { /* If the file has a cluster chain, it can be followed */ |
b98: 89 2b or r24, r25 |
b9a: 09 f4 brne .+2 ; 0xb9e <f_lseek+0x88> |
b9c: 6b c0 rjmp .+214 ; 0xc74 <f_lseek+0x15e> |
csize = (DWORD)fs->sects_clust * 512; /* Cluster size in unit of byte */ |
b9e: f2 01 movw r30, r4 |
ba0: 85 8d ldd r24, Z+29 ; 0x1d |
ba2: e8 2e mov r14, r24 |
ba4: ff 24 eor r15, r15 |
ba6: 00 27 eor r16, r16 |
ba8: 11 27 eor r17, r17 |
baa: 89 e0 ldi r24, 0x09 ; 9 |
bac: ee 0c add r14, r14 |
bae: ff 1c adc r15, r15 |
bb0: 00 1f adc r16, r16 |
bb2: 11 1f adc r17, r17 |
bb4: 8a 95 dec r24 |
bb6: d1 f7 brne .-12 ; 0xbac <f_lseek+0x96> |
for (;;) { /* Loop to skip leading clusters */ |
fp->curr_clust = clust; /* Update current cluster */ |
bb8: 39 8b std Y+17, r19 ; 0x11 |
bba: 28 8b std Y+16, r18 ; 0x10 |
if (ofs <= csize) break; |
bbc: e6 14 cp r14, r6 |
bbe: f7 04 cpc r15, r7 |
bc0: 08 05 cpc r16, r8 |
bc2: 19 05 cpc r17, r9 |
bc4: 50 f5 brcc .+84 ; 0xc1a <f_lseek+0x104> |
#if !_FS_READONLY |
if (fp->flag & FA_WRITE) /* Check if in write mode or not */ |
bc6: 8a 81 ldd r24, Y+2 ; 0x02 |
bc8: 81 ff sbrs r24, 1 |
bca: 04 c0 rjmp .+8 ; 0xbd4 <f_lseek+0xbe> |
clust = create_chain(clust); /* Force streached if in write mode */ |
bcc: c9 01 movw r24, r18 |
bce: 0e 94 25 05 call 0xa4a ; 0xa4a <create_chain> |
bd2: 03 c0 rjmp .+6 ; 0xbda <f_lseek+0xc4> |
else |
#endif |
clust = get_cluster(clust); /* Only follow cluster chain if not in write mode */ |
bd4: c9 01 movw r24, r18 |
bd6: 0e 94 4f 04 call 0x89e ; 0x89e <get_cluster> |
bda: 9c 01 movw r18, r24 |
if (clust == 0) { /* Stop if could not follow the cluster chain */ |
bdc: 00 97 sbiw r24, 0x00 ; 0 |
bde: d9 f0 breq .+54 ; 0xc16 <f_lseek+0x100> |
ofs = csize; break; |
} |
if (clust == 1 || clust >= fs->max_clust) goto fk_error; |
be0: 01 97 sbiw r24, 0x01 ; 1 |
be2: 09 f4 brne .+2 ; 0xbe6 <f_lseek+0xd0> |
be4: 5e c0 rjmp .+188 ; 0xca2 <f_lseek+0x18c> |
be6: f2 01 movw r30, r4 |
be8: 86 89 ldd r24, Z+22 ; 0x16 |
bea: 97 89 ldd r25, Z+23 ; 0x17 |
bec: 28 17 cp r18, r24 |
bee: 39 07 cpc r19, r25 |
bf0: 08 f0 brcs .+2 ; 0xbf4 <f_lseek+0xde> |
bf2: 57 c0 rjmp .+174 ; 0xca2 <f_lseek+0x18c> |
fp->fptr += csize; /* Update R/W pointer */ |
bf4: 8e 81 ldd r24, Y+6 ; 0x06 |
bf6: 9f 81 ldd r25, Y+7 ; 0x07 |
bf8: a8 85 ldd r26, Y+8 ; 0x08 |
bfa: b9 85 ldd r27, Y+9 ; 0x09 |
bfc: 8e 0d add r24, r14 |
bfe: 9f 1d adc r25, r15 |
c00: a0 1f adc r26, r16 |
c02: b1 1f adc r27, r17 |
c04: 8e 83 std Y+6, r24 ; 0x06 |
c06: 9f 83 std Y+7, r25 ; 0x07 |
c08: a8 87 std Y+8, r26 ; 0x08 |
c0a: b9 87 std Y+9, r27 ; 0x09 |
ofs -= csize; |
c0c: 6e 18 sub r6, r14 |
c0e: 7f 08 sbc r7, r15 |
c10: 80 0a sbc r8, r16 |
c12: 91 0a sbc r9, r17 |
c14: d1 cf rjmp .-94 ; 0xbb8 <f_lseek+0xa2> |
} |
c16: 37 01 movw r6, r14 |
c18: 48 01 movw r8, r16 |
csect = (BYTE)((ofs - 1) / 512); /* Sector offset in the cluster */ |
c1a: 64 01 movw r12, r8 |
c1c: 53 01 movw r10, r6 |
c1e: 08 94 sec |
c20: a1 08 sbc r10, r1 |
c22: b1 08 sbc r11, r1 |
c24: c1 08 sbc r12, r1 |
c26: d1 08 sbc r13, r1 |
c28: 09 e0 ldi r16, 0x09 ; 9 |
c2a: d6 94 lsr r13 |
c2c: c7 94 ror r12 |
c2e: b7 94 ror r11 |
c30: a7 94 ror r10 |
c32: 0a 95 dec r16 |
c34: d1 f7 brne .-12 ; 0xc2a <f_lseek+0x114> |
fp->curr_sect = clust2sect(clust) + csect; /* Current sector */ |
c36: ea 2c mov r14, r10 |
c38: ff 24 eor r15, r15 |
c3a: 00 27 eor r16, r16 |
c3c: 11 27 eor r17, r17 |
c3e: c9 01 movw r24, r18 |
c40: 0e 94 18 03 call 0x630 ; 0x630 <clust2sect> |
c44: e6 0e add r14, r22 |
c46: f7 1e adc r15, r23 |
c48: 08 1f adc r16, r24 |
c4a: 19 1f adc r17, r25 |
c4c: ea 8a std Y+18, r14 ; 0x12 |
c4e: fb 8a std Y+19, r15 ; 0x13 |
c50: 0c 8b std Y+20, r16 ; 0x14 |
c52: 1d 8b std Y+21, r17 ; 0x15 |
fp->sect_clust = fs->sects_clust - csect; /* Left sector counter in the cluster */ |
c54: f2 01 movw r30, r4 |
c56: 85 8d ldd r24, Z+29 ; 0x1d |
c58: 8a 19 sub r24, r10 |
c5a: 8b 83 std Y+3, r24 ; 0x03 |
fp->fptr += ofs; /* Update file R/W pointer */ |
c5c: 8e 81 ldd r24, Y+6 ; 0x06 |
c5e: 9f 81 ldd r25, Y+7 ; 0x07 |
c60: a8 85 ldd r26, Y+8 ; 0x08 |
c62: b9 85 ldd r27, Y+9 ; 0x09 |
c64: 86 0d add r24, r6 |
c66: 97 1d adc r25, r7 |
c68: a8 1d adc r26, r8 |
c6a: b9 1d adc r27, r9 |
c6c: 8e 83 std Y+6, r24 ; 0x06 |
c6e: 9f 83 std Y+7, r25 ; 0x07 |
c70: a8 87 std Y+8, r26 ; 0x08 |
c72: b9 87 std Y+9, r27 ; 0x09 |
} |
} |
#if !_FS_READONLY |
if ((fp->flag & FA_WRITE) && fp->fptr > fp->fsize) { /* Set updated flag if in write mode */ |
c74: 6a 81 ldd r22, Y+2 ; 0x02 |
c76: 61 ff sbrs r22, 1 |
c78: 1a c0 rjmp .+52 ; 0xcae <f_lseek+0x198> |
c7a: 2e 81 ldd r18, Y+6 ; 0x06 |
c7c: 3f 81 ldd r19, Y+7 ; 0x07 |
c7e: 48 85 ldd r20, Y+8 ; 0x08 |
c80: 59 85 ldd r21, Y+9 ; 0x09 |
c82: 8a 85 ldd r24, Y+10 ; 0x0a |
c84: 9b 85 ldd r25, Y+11 ; 0x0b |
c86: ac 85 ldd r26, Y+12 ; 0x0c |
c88: bd 85 ldd r27, Y+13 ; 0x0d |
c8a: 82 17 cp r24, r18 |
c8c: 93 07 cpc r25, r19 |
c8e: a4 07 cpc r26, r20 |
c90: b5 07 cpc r27, r21 |
c92: 68 f4 brcc .+26 ; 0xcae <f_lseek+0x198> |
fp->fsize = fp->fptr; |
c94: 2a 87 std Y+10, r18 ; 0x0a |
c96: 3b 87 std Y+11, r19 ; 0x0b |
c98: 4c 87 std Y+12, r20 ; 0x0c |
c9a: 5d 87 std Y+13, r21 ; 0x0d |
fp->flag |= FA__WRITTEN; |
c9c: 60 62 ori r22, 0x20 ; 32 |
c9e: 6a 83 std Y+2, r22 ; 0x02 |
ca0: 06 c0 rjmp .+12 ; 0xcae <f_lseek+0x198> |
#endif |
|
return FR_OK; |
|
fk_error: /* Abort this function due to an unrecoverable error */ |
fp->flag |= FA__ERROR; |
ca2: 8a 81 ldd r24, Y+2 ; 0x02 |
ca4: 80 68 ori r24, 0x80 ; 128 |
ca6: 8a 83 std Y+2, r24 ; 0x02 |
ca8: 18 e0 ldi r17, 0x08 ; 8 |
caa: 21 2e mov r2, r17 |
cac: 31 2c mov r3, r1 |
return FR_RW_ERROR; |
} |
cae: c1 01 movw r24, r2 |
cb0: e2 e1 ldi r30, 0x12 ; 18 |
cb2: cd b7 in r28, 0x3d ; 61 |
cb4: de b7 in r29, 0x3e ; 62 |
cb6: 0c 94 46 11 jmp 0x228c ; 0x228c <__epilogue_restores__> |
|
00000cba <f_sync>: |
/*-----------------------------------------------------------------------*/ |
|
FRESULT f_sync ( |
FIL *fp /* Pointer to the file object */ |
) |
{ |
cba: ef 92 push r14 |
cbc: ff 92 push r15 |
cbe: 0f 93 push r16 |
cc0: 1f 93 push r17 |
cc2: cf 93 push r28 |
cc4: df 93 push r29 |
cc6: ec 01 movw r28, r24 |
BYTE *dir; |
FRESULT res; |
FATFS *fs = fp->fs; |
|
|
res = validate(fs, fp->id); /* Check validity of the object */ |
cc8: 68 81 ld r22, Y |
cca: 79 81 ldd r23, Y+1 ; 0x01 |
ccc: 8c 81 ldd r24, Y+4 ; 0x04 |
cce: 9d 81 ldd r25, Y+5 ; 0x05 |
cd0: 0e 94 43 03 call 0x686 ; 0x686 <validate> |
cd4: 7c 01 movw r14, r24 |
if (res == FR_OK) { |
cd6: 89 2b or r24, r25 |
cd8: 09 f0 breq .+2 ; 0xcdc <f_sync+0x22> |
cda: 40 c0 rjmp .+128 ; 0xd5c <f_sync+0xa2> |
if (fp->flag & FA__WRITTEN) { /* Has the file been written? */ |
cdc: 8a 81 ldd r24, Y+2 ; 0x02 |
cde: 85 ff sbrs r24, 5 |
ce0: 3d c0 rjmp .+122 ; 0xd5c <f_sync+0xa2> |
/* Update the directory entry */ |
if (!move_window(fp->dir_sect)) |
ce2: 6e 89 ldd r22, Y+22 ; 0x16 |
ce4: 7f 89 ldd r23, Y+23 ; 0x17 |
ce6: 88 8d ldd r24, Y+24 ; 0x18 |
ce8: 99 8d ldd r25, Y+25 ; 0x19 |
cea: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
cee: 88 23 and r24, r24 |
cf0: 91 f1 breq .+100 ; 0xd56 <f_sync+0x9c> |
return FR_RW_ERROR; |
dir = fp->dir_ptr; |
cf2: 0a 8d ldd r16, Y+26 ; 0x1a |
cf4: 1b 8d ldd r17, Y+27 ; 0x1b |
dir[DIR_Attr] |= AM_ARC; /* Set archive bit */ |
cf6: f8 01 movw r30, r16 |
cf8: 83 85 ldd r24, Z+11 ; 0x0b |
cfa: 80 62 ori r24, 0x20 ; 32 |
cfc: 83 87 std Z+11, r24 ; 0x0b |
ST_DWORD(&dir[DIR_FileSize], fp->fsize); /* Update file size */ |
cfe: 8a 85 ldd r24, Y+10 ; 0x0a |
d00: 9b 85 ldd r25, Y+11 ; 0x0b |
d02: ac 85 ldd r26, Y+12 ; 0x0c |
d04: bd 85 ldd r27, Y+13 ; 0x0d |
d06: 84 8f std Z+28, r24 ; 0x1c |
d08: 95 8f std Z+29, r25 ; 0x1d |
d0a: a6 8f std Z+30, r26 ; 0x1e |
d0c: b7 8f std Z+31, r27 ; 0x1f |
ST_WORD(&dir[DIR_FstClusLO], fp->org_clust); /* Update start cluster */ |
d0e: 8e 85 ldd r24, Y+14 ; 0x0e |
d10: 9f 85 ldd r25, Y+15 ; 0x0f |
d12: 93 8f std Z+27, r25 ; 0x1b |
d14: 82 8f std Z+26, r24 ; 0x1a |
#if _FAT32 |
ST_WORD(&dir[DIR_FstClusHI], fp->org_clust >> 16); |
#endif |
tim = get_fattime(); /* Updated time */ |
d16: 0e 94 bb 00 call 0x176 ; 0x176 <get_fattime> |
ST_DWORD(&dir[DIR_WrtTime], tim); |
d1a: f8 01 movw r30, r16 |
d1c: 66 8b std Z+22, r22 ; 0x16 |
d1e: 77 8b std Z+23, r23 ; 0x17 |
d20: 80 8f std Z+24, r24 ; 0x18 |
d22: 91 8f std Z+25, r25 ; 0x19 |
fp->flag &= ~FA__WRITTEN; |
d24: 8a 81 ldd r24, Y+2 ; 0x02 |
d26: 8f 7d andi r24, 0xDF ; 223 |
d28: 8a 83 std Y+2, r24 ; 0x02 |
FRESULT sync (void) /* FR_OK: successful, FR_RW_ERROR: failed */ |
{ |
FATFS *fs = FatFs; |
|
|
fs->winflag = 1; |
d2a: e0 91 0a 01 lds r30, 0x010A |
d2e: f0 91 0b 01 lds r31, 0x010B |
d32: 81 e0 ldi r24, 0x01 ; 1 |
d34: 87 8f std Z+31, r24 ; 0x1f |
if (!move_window(0)) return FR_RW_ERROR; |
d36: 60 e0 ldi r22, 0x00 ; 0 |
d38: 70 e0 ldi r23, 0x00 ; 0 |
d3a: 80 e0 ldi r24, 0x00 ; 0 |
d3c: 90 e0 ldi r25, 0x00 ; 0 |
d3e: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
d42: 88 23 and r24, r24 |
d44: 41 f0 breq .+16 ; 0xd56 <f_sync+0x9c> |
ST_DWORD(&fs->win[FSI_Nxt_Free], fs->last_clust); |
disk_write(0, fs->win, fs->fsi_sector, 1); |
fs->fsi_flag = 0; |
} |
#endif |
if (disk_ioctl(0, CTRL_SYNC, NULL) != RES_OK) return FR_RW_ERROR; |
d46: 40 e0 ldi r20, 0x00 ; 0 |
d48: 50 e0 ldi r21, 0x00 ; 0 |
d4a: 63 e0 ldi r22, 0x03 ; 3 |
d4c: 80 e0 ldi r24, 0x00 ; 0 |
d4e: 0e 94 e8 0d call 0x1bd0 ; 0x1bd0 <disk_ioctl> |
d52: 89 2b or r24, r25 |
d54: 19 f0 breq .+6 ; 0xd5c <f_sync+0xa2> |
d56: 98 e0 ldi r25, 0x08 ; 8 |
d58: e9 2e mov r14, r25 |
d5a: f1 2c mov r15, r1 |
fp->flag &= ~FA__WRITTEN; |
res = sync(); |
} |
} |
return res; |
} |
d5c: c7 01 movw r24, r14 |
d5e: e6 e0 ldi r30, 0x06 ; 6 |
d60: cd b7 in r28, 0x3d ; 61 |
d62: de b7 in r29, 0x3e ; 62 |
d64: 0c 94 52 11 jmp 0x22a4 ; 0x22a4 <__epilogue_restores__+0x18> |
|
00000d68 <f_close>: |
/*-----------------------------------------------------------------------*/ |
|
FRESULT f_close ( |
FIL *fp /* Pointer to the file object to be closed */ |
) |
{ |
d68: cf 93 push r28 |
d6a: df 93 push r29 |
d6c: ec 01 movw r28, r24 |
FRESULT res; |
|
|
#if !_FS_READONLY |
res = f_sync(fp); |
d6e: 0e 94 5d 06 call 0xcba ; 0xcba <f_sync> |
#else |
res = validate(fp->fs, fp->id); |
#endif |
if (res == FR_OK) |
d72: 00 97 sbiw r24, 0x00 ; 0 |
d74: 11 f4 brne .+4 ; 0xd7a <f_close+0x12> |
fp->fs = NULL; |
d76: 1d 82 std Y+5, r1 ; 0x05 |
d78: 1c 82 std Y+4, r1 ; 0x04 |
d7a: df 91 pop r29 |
d7c: cf 91 pop r28 |
d7e: 08 95 ret |
|
00000d80 <f_write>: |
FIL *fp, /* Pointer to the file object */ |
const void *buff, /* Pointer to the data to be written */ |
WORD btw, /* Number of bytes to write */ |
WORD *bw /* Pointer to number of bytes written */ |
) |
{ |
d80: a0 e0 ldi r26, 0x00 ; 0 |
d82: b0 e0 ldi r27, 0x00 ; 0 |
d84: e6 ec ldi r30, 0xC6 ; 198 |
d86: f6 e0 ldi r31, 0x06 ; 6 |
d88: 0c 94 2c 11 jmp 0x2258 ; 0x2258 <__prologue_saves__+0x4> |
d8c: ec 01 movw r28, r24 |
d8e: 8b 01 movw r16, r22 |
d90: 7a 01 movw r14, r20 |
d92: 39 01 movw r6, r18 |
WORD wcnt; |
CLUST clust; |
BYTE cc; |
FRESULT res; |
const BYTE *wbuff = buff; |
FATFS *fs = fp->fs; |
d94: cc 80 ldd r12, Y+4 ; 0x04 |
d96: dd 80 ldd r13, Y+5 ; 0x05 |
|
|
*bw = 0; |
d98: f9 01 movw r30, r18 |
d9a: 11 82 std Z+1, r1 ; 0x01 |
d9c: 10 82 st Z, r1 |
res = validate(fs, fp->id); /* Check validity of the object */ |
d9e: 68 81 ld r22, Y |
da0: 79 81 ldd r23, Y+1 ; 0x01 |
da2: c6 01 movw r24, r12 |
da4: 0e 94 43 03 call 0x686 ; 0x686 <validate> |
da8: 4c 01 movw r8, r24 |
if (res) return res; |
daa: 89 2b or r24, r25 |
dac: 09 f0 breq .+2 ; 0xdb0 <f_write+0x30> |
dae: 1a c1 rjmp .+564 ; 0xfe4 <f_write+0x264> |
if (fp->flag & FA__ERROR) return FR_RW_ERROR; /* Check error flag */ |
db0: 8a 81 ldd r24, Y+2 ; 0x02 |
db2: 88 23 and r24, r24 |
db4: 0c f4 brge .+2 ; 0xdb8 <f_write+0x38> |
db6: 13 c1 rjmp .+550 ; 0xfde <f_write+0x25e> |
if (!(fp->flag & FA_WRITE)) return FR_DENIED; /* Check access mode */ |
db8: 81 fd sbrc r24, 1 |
dba: 04 c0 rjmp .+8 ; 0xdc4 <f_write+0x44> |
dbc: e6 e0 ldi r30, 0x06 ; 6 |
dbe: 8e 2e mov r8, r30 |
dc0: 91 2c mov r9, r1 |
dc2: 10 c1 rjmp .+544 ; 0xfe4 <f_write+0x264> |
if (fp->fsize + btw < fp->fsize) return FR_OK; /* File size cannot reach 4GB */ |
dc4: 2a 85 ldd r18, Y+10 ; 0x0a |
dc6: 3b 85 ldd r19, Y+11 ; 0x0b |
dc8: 4c 85 ldd r20, Y+12 ; 0x0c |
dca: 5d 85 ldd r21, Y+13 ; 0x0d |
dcc: c7 01 movw r24, r14 |
dce: aa 27 eor r26, r26 |
dd0: bb 27 eor r27, r27 |
dd2: 82 0f add r24, r18 |
dd4: 93 1f adc r25, r19 |
dd6: a4 1f adc r26, r20 |
dd8: b5 1f adc r27, r21 |
dda: 82 17 cp r24, r18 |
ddc: 93 07 cpc r25, r19 |
dde: a4 07 cpc r26, r20 |
de0: b5 07 cpc r27, r21 |
de2: 08 f4 brcc .+2 ; 0xde6 <f_write+0x66> |
de4: ff c0 rjmp .+510 ; 0xfe4 <f_write+0x264> |
DWORD sect; |
WORD wcnt; |
CLUST clust; |
BYTE cc; |
FRESULT res; |
const BYTE *wbuff = buff; |
de6: 58 01 movw r10, r16 |
} |
if (!move_window(fp->curr_sect)) /* Move sector window */ |
goto fw_error; |
wcnt = 512 - (WORD)(fp->fptr % 512); /* Copy fractional bytes bytes to sector window */ |
if (wcnt > btw) wcnt = btw; |
memcpy(&fs->win[(WORD)fp->fptr % 512], wbuff, wcnt); |
de8: 70 e2 ldi r23, 0x20 ; 32 |
dea: 47 2e mov r4, r23 |
dec: 51 2c mov r5, r1 |
dee: 4c 0c add r4, r12 |
df0: 5d 1c adc r5, r13 |
df2: d9 c0 rjmp .+434 ; 0xfa6 <f_write+0x226> |
if (!(fp->flag & FA_WRITE)) return FR_DENIED; /* Check access mode */ |
if (fp->fsize + btw < fp->fsize) return FR_OK; /* File size cannot reach 4GB */ |
|
for ( ; btw; /* Repeat until all data transferred */ |
wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) { |
if ((fp->fptr % 512) == 0) { /* On the sector boundary */ |
df4: 2e 81 ldd r18, Y+6 ; 0x06 |
df6: 3f 81 ldd r19, Y+7 ; 0x07 |
df8: 48 85 ldd r20, Y+8 ; 0x08 |
dfa: 59 85 ldd r21, Y+9 ; 0x09 |
dfc: da 01 movw r26, r20 |
dfe: c9 01 movw r24, r18 |
e00: 91 70 andi r25, 0x01 ; 1 |
e02: a0 70 andi r26, 0x00 ; 0 |
e04: b0 70 andi r27, 0x00 ; 0 |
e06: 00 97 sbiw r24, 0x00 ; 0 |
e08: a1 05 cpc r26, r1 |
e0a: b1 05 cpc r27, r1 |
e0c: 09 f0 breq .+2 ; 0xe10 <f_write+0x90> |
e0e: 93 c0 rjmp .+294 ; 0xf36 <f_write+0x1b6> |
if (--(fp->sect_clust)) { /* Decrement left sector counter */ |
e10: 8b 81 ldd r24, Y+3 ; 0x03 |
e12: 81 50 subi r24, 0x01 ; 1 |
e14: 8b 83 std Y+3, r24 ; 0x03 |
e16: 88 23 and r24, r24 |
e18: 49 f0 breq .+18 ; 0xe2c <f_write+0xac> |
sect = fp->curr_sect + 1; /* Get current sector */ |
e1a: 2a 89 ldd r18, Y+18 ; 0x12 |
e1c: 3b 89 ldd r19, Y+19 ; 0x13 |
e1e: 4c 89 ldd r20, Y+20 ; 0x14 |
e20: 5d 89 ldd r21, Y+21 ; 0x15 |
e22: 2f 5f subi r18, 0xFF ; 255 |
e24: 3f 4f sbci r19, 0xFF ; 255 |
e26: 4f 4f sbci r20, 0xFF ; 255 |
e28: 5f 4f sbci r21, 0xFF ; 255 |
e2a: 30 c0 rjmp .+96 ; 0xe8c <f_write+0x10c> |
} else { /* On the cluster boundary, get next cluster */ |
if (fp->fptr == 0) { /* Is top of the file */ |
e2c: 21 15 cp r18, r1 |
e2e: 31 05 cpc r19, r1 |
e30: 41 05 cpc r20, r1 |
e32: 51 05 cpc r21, r1 |
e34: 69 f4 brne .+26 ; 0xe50 <f_write+0xd0> |
clust = fp->org_clust; |
e36: 2e 85 ldd r18, Y+14 ; 0x0e |
e38: 3f 85 ldd r19, Y+15 ; 0x0f |
if (clust == 0) /* No cluster is created yet */ |
e3a: 21 15 cp r18, r1 |
e3c: 31 05 cpc r19, r1 |
e3e: 89 f4 brne .+34 ; 0xe62 <f_write+0xe2> |
fp->org_clust = clust = create_chain(0); /* Create a new cluster chain */ |
e40: 80 e0 ldi r24, 0x00 ; 0 |
e42: 90 e0 ldi r25, 0x00 ; 0 |
e44: 0e 94 25 05 call 0xa4a ; 0xa4a <create_chain> |
e48: 9c 01 movw r18, r24 |
e4a: 9f 87 std Y+15, r25 ; 0x0f |
e4c: 8e 87 std Y+14, r24 ; 0x0e |
e4e: 05 c0 rjmp .+10 ; 0xe5a <f_write+0xda> |
} else { /* Middle or end of file */ |
clust = create_chain(fp->curr_clust); /* Trace or streach cluster chain */ |
e50: 88 89 ldd r24, Y+16 ; 0x10 |
e52: 99 89 ldd r25, Y+17 ; 0x11 |
e54: 0e 94 25 05 call 0xa4a ; 0xa4a <create_chain> |
e58: 9c 01 movw r18, r24 |
} |
if (clust == 0) break; /* Disk full */ |
e5a: 21 15 cp r18, r1 |
e5c: 31 05 cpc r19, r1 |
e5e: 09 f4 brne .+2 ; 0xe62 <f_write+0xe2> |
e60: a6 c0 rjmp .+332 ; 0xfae <f_write+0x22e> |
if (clust == 1 || clust >= fs->max_clust) goto fw_error; |
e62: 21 30 cpi r18, 0x01 ; 1 |
e64: 31 05 cpc r19, r1 |
e66: 09 f4 brne .+2 ; 0xe6a <f_write+0xea> |
e68: b7 c0 rjmp .+366 ; 0xfd8 <f_write+0x258> |
e6a: f6 01 movw r30, r12 |
e6c: 86 89 ldd r24, Z+22 ; 0x16 |
e6e: 97 89 ldd r25, Z+23 ; 0x17 |
e70: 28 17 cp r18, r24 |
e72: 39 07 cpc r19, r25 |
e74: 08 f0 brcs .+2 ; 0xe78 <f_write+0xf8> |
e76: b0 c0 rjmp .+352 ; 0xfd8 <f_write+0x258> |
fp->curr_clust = clust; /* Current cluster */ |
e78: 39 8b std Y+17, r19 ; 0x11 |
e7a: 28 8b std Y+16, r18 ; 0x10 |
sect = clust2sect(clust); /* Get current sector */ |
e7c: c9 01 movw r24, r18 |
e7e: 0e 94 18 03 call 0x630 ; 0x630 <clust2sect> |
e82: 9b 01 movw r18, r22 |
e84: ac 01 movw r20, r24 |
fp->sect_clust = fs->sects_clust; /* Re-initialize the left sector counter */ |
e86: f6 01 movw r30, r12 |
e88: 85 8d ldd r24, Z+29 ; 0x1d |
e8a: 8b 83 std Y+3, r24 ; 0x03 |
} |
fp->curr_sect = sect; /* Update current sector */ |
e8c: 2a 8b std Y+18, r18 ; 0x12 |
e8e: 3b 8b std Y+19, r19 ; 0x13 |
e90: 4c 8b std Y+20, r20 ; 0x14 |
e92: 5d 8b std Y+21, r21 ; 0x15 |
cc = btw / 512; /* When left bytes >= 512, */ |
e94: 87 01 movw r16, r14 |
e96: 01 2f mov r16, r17 |
e98: 11 27 eor r17, r17 |
e9a: 06 95 lsr r16 |
if (cc) { /* Write maximum contiguous sectors directly */ |
e9c: 00 23 and r16, r16 |
e9e: 61 f1 breq .+88 ; 0xef8 <f_write+0x178> |
ea0: 8b 81 ldd r24, Y+3 ; 0x03 |
ea2: 10 2f mov r17, r16 |
ea4: 80 17 cp r24, r16 |
ea6: 08 f4 brcc .+2 ; 0xeaa <f_write+0x12a> |
ea8: 18 2f mov r17, r24 |
if (cc > fp->sect_clust) cc = fp->sect_clust; |
if (disk_write(0, wbuff, sect, cc) != RES_OK) |
eaa: 01 2f mov r16, r17 |
eac: b5 01 movw r22, r10 |
eae: 80 e0 ldi r24, 0x00 ; 0 |
eb0: 0e 94 d3 0e call 0x1da6 ; 0x1da6 <disk_write> |
eb4: 89 2b or r24, r25 |
eb6: 09 f0 breq .+2 ; 0xeba <f_write+0x13a> |
eb8: 8f c0 rjmp .+286 ; 0xfd8 <f_write+0x258> |
goto fw_error; |
fp->sect_clust -= cc - 1; |
eba: 8b 81 ldd r24, Y+3 ; 0x03 |
ebc: 8f 5f subi r24, 0xFF ; 255 |
ebe: 81 1b sub r24, r17 |
ec0: 8b 83 std Y+3, r24 ; 0x03 |
fp->curr_sect += cc - 1; |
ec2: 81 2f mov r24, r17 |
ec4: 99 27 eor r25, r25 |
ec6: 01 97 sbiw r24, 0x01 ; 1 |
ec8: 9c 01 movw r18, r24 |
eca: 44 27 eor r20, r20 |
ecc: 37 fd sbrc r19, 7 |
ece: 40 95 com r20 |
ed0: 54 2f mov r21, r20 |
ed2: 8c 01 movw r16, r24 |
ed4: 0f 5f subi r16, 0xFF ; 255 |
ed6: 1f 4f sbci r17, 0xFF ; 255 |
ed8: 8a 89 ldd r24, Y+18 ; 0x12 |
eda: 9b 89 ldd r25, Y+19 ; 0x13 |
edc: ac 89 ldd r26, Y+20 ; 0x14 |
ede: bd 89 ldd r27, Y+21 ; 0x15 |
ee0: 82 0f add r24, r18 |
ee2: 93 1f adc r25, r19 |
ee4: a4 1f adc r26, r20 |
ee6: b5 1f adc r27, r21 |
ee8: 8a 8b std Y+18, r24 ; 0x12 |
eea: 9b 8b std Y+19, r25 ; 0x13 |
eec: ac 8b std Y+20, r26 ; 0x14 |
eee: bd 8b std Y+21, r27 ; 0x15 |
wcnt = cc * 512; continue; |
ef0: 10 2f mov r17, r16 |
ef2: 00 27 eor r16, r16 |
ef4: 11 0f add r17, r17 |
ef6: 3d c0 rjmp .+122 ; 0xf72 <f_write+0x1f2> |
} |
if (fp->fptr >= fp->fsize) { /* Flush R/W window if needed */ |
ef8: 2e 81 ldd r18, Y+6 ; 0x06 |
efa: 3f 81 ldd r19, Y+7 ; 0x07 |
efc: 48 85 ldd r20, Y+8 ; 0x08 |
efe: 59 85 ldd r21, Y+9 ; 0x09 |
f00: 8a 85 ldd r24, Y+10 ; 0x0a |
f02: 9b 85 ldd r25, Y+11 ; 0x0b |
f04: ac 85 ldd r26, Y+12 ; 0x0c |
f06: bd 85 ldd r27, Y+13 ; 0x0d |
f08: 28 17 cp r18, r24 |
f0a: 39 07 cpc r19, r25 |
f0c: 4a 07 cpc r20, r26 |
f0e: 5b 07 cpc r21, r27 |
f10: 90 f0 brcs .+36 ; 0xf36 <f_write+0x1b6> |
if (!move_window(0)) goto fw_error; |
f12: 60 e0 ldi r22, 0x00 ; 0 |
f14: 70 e0 ldi r23, 0x00 ; 0 |
f16: 80 e0 ldi r24, 0x00 ; 0 |
f18: 90 e0 ldi r25, 0x00 ; 0 |
f1a: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
f1e: 88 23 and r24, r24 |
f20: 09 f4 brne .+2 ; 0xf24 <f_write+0x1a4> |
f22: 5a c0 rjmp .+180 ; 0xfd8 <f_write+0x258> |
fs->winsect = fp->curr_sect; |
f24: 8a 89 ldd r24, Y+18 ; 0x12 |
f26: 9b 89 ldd r25, Y+19 ; 0x13 |
f28: ac 89 ldd r26, Y+20 ; 0x14 |
f2a: bd 89 ldd r27, Y+21 ; 0x15 |
f2c: f6 01 movw r30, r12 |
f2e: 84 83 std Z+4, r24 ; 0x04 |
f30: 95 83 std Z+5, r25 ; 0x05 |
f32: a6 83 std Z+6, r26 ; 0x06 |
f34: b7 83 std Z+7, r27 ; 0x07 |
} |
} |
if (!move_window(fp->curr_sect)) /* Move sector window */ |
f36: 6a 89 ldd r22, Y+18 ; 0x12 |
f38: 7b 89 ldd r23, Y+19 ; 0x13 |
f3a: 8c 89 ldd r24, Y+20 ; 0x14 |
f3c: 9d 89 ldd r25, Y+21 ; 0x15 |
f3e: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
f42: 88 23 and r24, r24 |
f44: 09 f4 brne .+2 ; 0xf48 <f_write+0x1c8> |
f46: 48 c0 rjmp .+144 ; 0xfd8 <f_write+0x258> |
goto fw_error; |
wcnt = 512 - (WORD)(fp->fptr % 512); /* Copy fractional bytes bytes to sector window */ |
f48: 8e 81 ldd r24, Y+6 ; 0x06 |
f4a: 9f 81 ldd r25, Y+7 ; 0x07 |
f4c: 91 70 andi r25, 0x01 ; 1 |
f4e: 20 e0 ldi r18, 0x00 ; 0 |
f50: 32 e0 ldi r19, 0x02 ; 2 |
f52: 28 1b sub r18, r24 |
f54: 39 0b sbc r19, r25 |
f56: 87 01 movw r16, r14 |
f58: 2e 15 cp r18, r14 |
f5a: 3f 05 cpc r19, r15 |
f5c: 08 f4 brcc .+2 ; 0xf60 <f_write+0x1e0> |
f5e: 89 01 movw r16, r18 |
if (wcnt > btw) wcnt = btw; |
memcpy(&fs->win[(WORD)fp->fptr % 512], wbuff, wcnt); |
f60: a8 01 movw r20, r16 |
f62: b5 01 movw r22, r10 |
f64: 84 0d add r24, r4 |
f66: 95 1d adc r25, r5 |
f68: 0e 94 a1 10 call 0x2142 ; 0x2142 <memcpy> |
fs->winflag = 1; |
f6c: 81 e0 ldi r24, 0x01 ; 1 |
f6e: f6 01 movw r30, r12 |
f70: 87 8f std Z+31, r24 ; 0x1f |
if (fp->flag & FA__ERROR) return FR_RW_ERROR; /* Check error flag */ |
if (!(fp->flag & FA_WRITE)) return FR_DENIED; /* Check access mode */ |
if (fp->fsize + btw < fp->fsize) return FR_OK; /* File size cannot reach 4GB */ |
|
for ( ; btw; /* Repeat until all data transferred */ |
wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) { |
f72: a0 0e add r10, r16 |
f74: b1 1e adc r11, r17 |
f76: c8 01 movw r24, r16 |
f78: aa 27 eor r26, r26 |
f7a: bb 27 eor r27, r27 |
f7c: 2e 81 ldd r18, Y+6 ; 0x06 |
f7e: 3f 81 ldd r19, Y+7 ; 0x07 |
f80: 48 85 ldd r20, Y+8 ; 0x08 |
f82: 59 85 ldd r21, Y+9 ; 0x09 |
f84: 28 0f add r18, r24 |
f86: 39 1f adc r19, r25 |
f88: 4a 1f adc r20, r26 |
f8a: 5b 1f adc r21, r27 |
f8c: 2e 83 std Y+6, r18 ; 0x06 |
f8e: 3f 83 std Y+7, r19 ; 0x07 |
f90: 48 87 std Y+8, r20 ; 0x08 |
f92: 59 87 std Y+9, r21 ; 0x09 |
f94: f3 01 movw r30, r6 |
f96: 80 81 ld r24, Z |
f98: 91 81 ldd r25, Z+1 ; 0x01 |
f9a: 80 0f add r24, r16 |
f9c: 91 1f adc r25, r17 |
f9e: 91 83 std Z+1, r25 ; 0x01 |
fa0: 80 83 st Z, r24 |
fa2: e0 1a sub r14, r16 |
fa4: f1 0a sbc r15, r17 |
if (res) return res; |
if (fp->flag & FA__ERROR) return FR_RW_ERROR; /* Check error flag */ |
if (!(fp->flag & FA_WRITE)) return FR_DENIED; /* Check access mode */ |
if (fp->fsize + btw < fp->fsize) return FR_OK; /* File size cannot reach 4GB */ |
|
for ( ; btw; /* Repeat until all data transferred */ |
fa6: e1 14 cp r14, r1 |
fa8: f1 04 cpc r15, r1 |
faa: 09 f0 breq .+2 ; 0xfae <f_write+0x22e> |
fac: 23 cf rjmp .-442 ; 0xdf4 <f_write+0x74> |
if (wcnt > btw) wcnt = btw; |
memcpy(&fs->win[(WORD)fp->fptr % 512], wbuff, wcnt); |
fs->winflag = 1; |
} |
|
if (fp->fptr > fp->fsize) fp->fsize = fp->fptr; /* Update file size if needed */ |
fae: 2e 81 ldd r18, Y+6 ; 0x06 |
fb0: 3f 81 ldd r19, Y+7 ; 0x07 |
fb2: 48 85 ldd r20, Y+8 ; 0x08 |
fb4: 59 85 ldd r21, Y+9 ; 0x09 |
fb6: 8a 85 ldd r24, Y+10 ; 0x0a |
fb8: 9b 85 ldd r25, Y+11 ; 0x0b |
fba: ac 85 ldd r26, Y+12 ; 0x0c |
fbc: bd 85 ldd r27, Y+13 ; 0x0d |
fbe: 82 17 cp r24, r18 |
fc0: 93 07 cpc r25, r19 |
fc2: a4 07 cpc r26, r20 |
fc4: b5 07 cpc r27, r21 |
fc6: 20 f4 brcc .+8 ; 0xfd0 <f_write+0x250> |
fc8: 2a 87 std Y+10, r18 ; 0x0a |
fca: 3b 87 std Y+11, r19 ; 0x0b |
fcc: 4c 87 std Y+12, r20 ; 0x0c |
fce: 5d 87 std Y+13, r21 ; 0x0d |
fp->flag |= FA__WRITTEN; /* Set file changed flag */ |
fd0: 8a 81 ldd r24, Y+2 ; 0x02 |
fd2: 80 62 ori r24, 0x20 ; 32 |
fd4: 8a 83 std Y+2, r24 ; 0x02 |
fd6: 06 c0 rjmp .+12 ; 0xfe4 <f_write+0x264> |
return FR_OK; |
|
fw_error: /* Abort this function due to an unrecoverable error */ |
fp->flag |= FA__ERROR; |
fd8: 8a 81 ldd r24, Y+2 ; 0x02 |
fda: 80 68 ori r24, 0x80 ; 128 |
fdc: 8a 83 std Y+2, r24 ; 0x02 |
fde: 28 e0 ldi r18, 0x08 ; 8 |
fe0: 82 2e mov r8, r18 |
fe2: 91 2c mov r9, r1 |
return FR_RW_ERROR; |
} |
fe4: c4 01 movw r24, r8 |
fe6: e0 e1 ldi r30, 0x10 ; 16 |
fe8: cd b7 in r28, 0x3d ; 61 |
fea: de b7 in r29, 0x3e ; 62 |
fec: 0c 94 48 11 jmp 0x2290 ; 0x2290 <__epilogue_restores__+0x4> |
|
00000ff0 <f_read>: |
FIL *fp, /* Pointer to the file object */ |
void *buff, /* Pointer to data buffer */ |
WORD btr, /* Number of bytes to read */ |
WORD *br /* Pointer to number of bytes read */ |
) |
{ |
ff0: a0 e0 ldi r26, 0x00 ; 0 |
ff2: b0 e0 ldi r27, 0x00 ; 0 |
ff4: ee ef ldi r30, 0xFE ; 254 |
ff6: f7 e0 ldi r31, 0x07 ; 7 |
ff8: 0c 94 2c 11 jmp 0x2258 ; 0x2258 <__prologue_saves__+0x4> |
ffc: ec 01 movw r28, r24 |
ffe: 8b 01 movw r16, r22 |
1000: 7a 01 movw r14, r20 |
1002: 39 01 movw r6, r18 |
DWORD sect, remain; |
WORD rcnt; |
CLUST clust; |
BYTE cc, *rbuff = buff; |
FRESULT res; |
FATFS *fs = fp->fs; |
1004: 8c 80 ldd r8, Y+4 ; 0x04 |
1006: 9d 80 ldd r9, Y+5 ; 0x05 |
|
|
*br = 0; |
1008: f9 01 movw r30, r18 |
100a: 11 82 std Z+1, r1 ; 0x01 |
100c: 10 82 st Z, r1 |
res = validate(fs, fp->id); /* Check validity of the object */ |
100e: 68 81 ld r22, Y |
1010: 79 81 ldd r23, Y+1 ; 0x01 |
1012: c4 01 movw r24, r8 |
1014: 0e 94 43 03 call 0x686 ; 0x686 <validate> |
1018: 5c 01 movw r10, r24 |
if (res) return res; |
101a: 89 2b or r24, r25 |
101c: 09 f0 breq .+2 ; 0x1020 <f_read+0x30> |
101e: d9 c0 rjmp .+434 ; 0x11d2 <f_read+0x1e2> |
if (fp->flag & FA__ERROR) return FR_RW_ERROR; /* Check error flag */ |
1020: 8a 81 ldd r24, Y+2 ; 0x02 |
1022: 88 23 and r24, r24 |
1024: 0c f4 brge .+2 ; 0x1028 <f_read+0x38> |
1026: d2 c0 rjmp .+420 ; 0x11cc <f_read+0x1dc> |
if (!(fp->flag & FA_READ)) return FR_DENIED; /* Check access mode */ |
1028: 80 fd sbrc r24, 0 |
102a: 04 c0 rjmp .+8 ; 0x1034 <f_read+0x44> |
102c: 06 e0 ldi r16, 0x06 ; 6 |
102e: a0 2e mov r10, r16 |
1030: b1 2c mov r11, r1 |
1032: cf c0 rjmp .+414 ; 0x11d2 <f_read+0x1e2> |
remain = fp->fsize - fp->fptr; |
1034: 2a 85 ldd r18, Y+10 ; 0x0a |
1036: 3b 85 ldd r19, Y+11 ; 0x0b |
1038: 4c 85 ldd r20, Y+12 ; 0x0c |
103a: 5d 85 ldd r21, Y+13 ; 0x0d |
103c: 8e 81 ldd r24, Y+6 ; 0x06 |
103e: 9f 81 ldd r25, Y+7 ; 0x07 |
1040: a8 85 ldd r26, Y+8 ; 0x08 |
1042: b9 85 ldd r27, Y+9 ; 0x09 |
1044: 28 1b sub r18, r24 |
1046: 39 0b sbc r19, r25 |
1048: 4a 0b sbc r20, r26 |
104a: 5b 0b sbc r21, r27 |
if (btr > remain) btr = (WORD)remain; /* Truncate read count by number of bytes left */ |
104c: c7 01 movw r24, r14 |
104e: aa 27 eor r26, r26 |
1050: bb 27 eor r27, r27 |
1052: 28 17 cp r18, r24 |
1054: 39 07 cpc r19, r25 |
1056: 4a 07 cpc r20, r26 |
1058: 5b 07 cpc r21, r27 |
105a: 08 f4 brcc .+2 ; 0x105e <f_read+0x6e> |
105c: 79 01 movw r14, r18 |
) |
{ |
DWORD sect, remain; |
WORD rcnt; |
CLUST clust; |
BYTE cc, *rbuff = buff; |
105e: 68 01 movw r12, r16 |
} |
} |
if (!move_window(fp->curr_sect)) goto fr_error; /* Move sector window */ |
rcnt = 512 - (WORD)(fp->fptr % 512); /* Copy fractional bytes from sector window */ |
if (rcnt > btr) rcnt = btr; |
memcpy(rbuff, &fs->win[(WORD)fp->fptr % 512], rcnt); |
1060: 10 e2 ldi r17, 0x20 ; 32 |
1062: 41 2e mov r4, r17 |
1064: 51 2c mov r5, r1 |
1066: 48 0c add r4, r8 |
1068: 59 1c adc r5, r9 |
106a: a8 c0 rjmp .+336 ; 0x11bc <f_read+0x1cc> |
remain = fp->fsize - fp->fptr; |
if (btr > remain) btr = (WORD)remain; /* Truncate read count by number of bytes left */ |
|
for ( ; btr; /* Repeat until all data transferred */ |
rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) { |
if ((fp->fptr % 512) == 0) { /* On the sector boundary */ |
106c: 2e 81 ldd r18, Y+6 ; 0x06 |
106e: 3f 81 ldd r19, Y+7 ; 0x07 |
1070: 48 85 ldd r20, Y+8 ; 0x08 |
1072: 59 85 ldd r21, Y+9 ; 0x09 |
1074: da 01 movw r26, r20 |
1076: c9 01 movw r24, r18 |
1078: 91 70 andi r25, 0x01 ; 1 |
107a: a0 70 andi r26, 0x00 ; 0 |
107c: b0 70 andi r27, 0x00 ; 0 |
107e: 00 97 sbiw r24, 0x00 ; 0 |
1080: a1 05 cpc r26, r1 |
1082: b1 05 cpc r27, r1 |
1084: 09 f0 breq .+2 ; 0x1088 <f_read+0x98> |
1086: 66 c0 rjmp .+204 ; 0x1154 <f_read+0x164> |
if (--fp->sect_clust) { /* Decrement left sector counter */ |
1088: 8b 81 ldd r24, Y+3 ; 0x03 |
108a: 81 50 subi r24, 0x01 ; 1 |
108c: 8b 83 std Y+3, r24 ; 0x03 |
108e: 88 23 and r24, r24 |
1090: 49 f0 breq .+18 ; 0x10a4 <f_read+0xb4> |
sect = fp->curr_sect + 1; /* Get current sector */ |
1092: 2a 89 ldd r18, Y+18 ; 0x12 |
1094: 3b 89 ldd r19, Y+19 ; 0x13 |
1096: 4c 89 ldd r20, Y+20 ; 0x14 |
1098: 5d 89 ldd r21, Y+21 ; 0x15 |
109a: 2f 5f subi r18, 0xFF ; 255 |
109c: 3f 4f sbci r19, 0xFF ; 255 |
109e: 4f 4f sbci r20, 0xFF ; 255 |
10a0: 5f 4f sbci r21, 0xFF ; 255 |
10a2: 22 c0 rjmp .+68 ; 0x10e8 <f_read+0xf8> |
} else { /* On the cluster boundary, get next cluster */ |
clust = (fp->fptr == 0) ? |
10a4: 21 15 cp r18, r1 |
10a6: 31 05 cpc r19, r1 |
10a8: 41 05 cpc r20, r1 |
10aa: 51 05 cpc r21, r1 |
10ac: 19 f4 brne .+6 ; 0x10b4 <f_read+0xc4> |
10ae: 2e 85 ldd r18, Y+14 ; 0x0e |
10b0: 3f 85 ldd r19, Y+15 ; 0x0f |
10b2: 05 c0 rjmp .+10 ; 0x10be <f_read+0xce> |
10b4: 88 89 ldd r24, Y+16 ; 0x10 |
10b6: 99 89 ldd r25, Y+17 ; 0x11 |
10b8: 0e 94 4f 04 call 0x89e ; 0x89e <get_cluster> |
10bc: 9c 01 movw r18, r24 |
fp->org_clust : get_cluster(fp->curr_clust); |
if (clust < 2 || clust >= fs->max_clust) |
10be: 22 30 cpi r18, 0x02 ; 2 |
10c0: 31 05 cpc r19, r1 |
10c2: 08 f4 brcc .+2 ; 0x10c6 <f_read+0xd6> |
10c4: 80 c0 rjmp .+256 ; 0x11c6 <f_read+0x1d6> |
10c6: f4 01 movw r30, r8 |
10c8: 86 89 ldd r24, Z+22 ; 0x16 |
10ca: 97 89 ldd r25, Z+23 ; 0x17 |
10cc: 28 17 cp r18, r24 |
10ce: 39 07 cpc r19, r25 |
10d0: 08 f0 brcs .+2 ; 0x10d4 <f_read+0xe4> |
10d2: 79 c0 rjmp .+242 ; 0x11c6 <f_read+0x1d6> |
goto fr_error; |
fp->curr_clust = clust; /* Current cluster */ |
10d4: 39 8b std Y+17, r19 ; 0x11 |
10d6: 28 8b std Y+16, r18 ; 0x10 |
sect = clust2sect(clust); /* Get current sector */ |
10d8: c9 01 movw r24, r18 |
10da: 0e 94 18 03 call 0x630 ; 0x630 <clust2sect> |
10de: 9b 01 movw r18, r22 |
10e0: ac 01 movw r20, r24 |
fp->sect_clust = fs->sects_clust; /* Re-initialize the left sector counter */ |
10e2: f4 01 movw r30, r8 |
10e4: 85 8d ldd r24, Z+29 ; 0x1d |
10e6: 8b 83 std Y+3, r24 ; 0x03 |
} |
fp->curr_sect = sect; /* Update current sector */ |
10e8: 2a 8b std Y+18, r18 ; 0x12 |
10ea: 3b 8b std Y+19, r19 ; 0x13 |
10ec: 4c 8b std Y+20, r20 ; 0x14 |
10ee: 5d 8b std Y+21, r21 ; 0x15 |
cc = btr / 512; /* When left bytes >= 512, */ |
10f0: 87 01 movw r16, r14 |
10f2: 01 2f mov r16, r17 |
10f4: 11 27 eor r17, r17 |
10f6: 06 95 lsr r16 |
if (cc) { /* Read maximum contiguous sectors directly */ |
10f8: 00 23 and r16, r16 |
10fa: 61 f1 breq .+88 ; 0x1154 <f_read+0x164> |
10fc: 8b 81 ldd r24, Y+3 ; 0x03 |
10fe: 10 2f mov r17, r16 |
1100: 80 17 cp r24, r16 |
1102: 08 f4 brcc .+2 ; 0x1106 <f_read+0x116> |
1104: 18 2f mov r17, r24 |
if (cc > fp->sect_clust) cc = fp->sect_clust; |
if (disk_read(0, rbuff, sect, cc) != RES_OK) |
1106: 01 2f mov r16, r17 |
1108: b6 01 movw r22, r12 |
110a: 80 e0 ldi r24, 0x00 ; 0 |
110c: 0e 94 51 0f call 0x1ea2 ; 0x1ea2 <disk_read> |
1110: 89 2b or r24, r25 |
1112: 09 f0 breq .+2 ; 0x1116 <f_read+0x126> |
1114: 58 c0 rjmp .+176 ; 0x11c6 <f_read+0x1d6> |
goto fr_error; |
fp->sect_clust -= cc - 1; |
1116: 8b 81 ldd r24, Y+3 ; 0x03 |
1118: 8f 5f subi r24, 0xFF ; 255 |
111a: 81 1b sub r24, r17 |
111c: 8b 83 std Y+3, r24 ; 0x03 |
fp->curr_sect += cc - 1; |
111e: 81 2f mov r24, r17 |
1120: 99 27 eor r25, r25 |
1122: 01 97 sbiw r24, 0x01 ; 1 |
1124: 9c 01 movw r18, r24 |
1126: 44 27 eor r20, r20 |
1128: 37 fd sbrc r19, 7 |
112a: 40 95 com r20 |
112c: 54 2f mov r21, r20 |
112e: 8c 01 movw r16, r24 |
1130: 0f 5f subi r16, 0xFF ; 255 |
1132: 1f 4f sbci r17, 0xFF ; 255 |
1134: 8a 89 ldd r24, Y+18 ; 0x12 |
1136: 9b 89 ldd r25, Y+19 ; 0x13 |
1138: ac 89 ldd r26, Y+20 ; 0x14 |
113a: bd 89 ldd r27, Y+21 ; 0x15 |
113c: 82 0f add r24, r18 |
113e: 93 1f adc r25, r19 |
1140: a4 1f adc r26, r20 |
1142: b5 1f adc r27, r21 |
1144: 8a 8b std Y+18, r24 ; 0x12 |
1146: 9b 8b std Y+19, r25 ; 0x13 |
1148: ac 8b std Y+20, r26 ; 0x14 |
114a: bd 8b std Y+21, r27 ; 0x15 |
rcnt = cc * 512; continue; |
114c: 10 2f mov r17, r16 |
114e: 00 27 eor r16, r16 |
1150: 11 0f add r17, r17 |
1152: 1a c0 rjmp .+52 ; 0x1188 <f_read+0x198> |
} |
} |
if (!move_window(fp->curr_sect)) goto fr_error; /* Move sector window */ |
1154: 6a 89 ldd r22, Y+18 ; 0x12 |
1156: 7b 89 ldd r23, Y+19 ; 0x13 |
1158: 8c 89 ldd r24, Y+20 ; 0x14 |
115a: 9d 89 ldd r25, Y+21 ; 0x15 |
115c: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
1160: 88 23 and r24, r24 |
1162: 89 f1 breq .+98 ; 0x11c6 <f_read+0x1d6> |
rcnt = 512 - (WORD)(fp->fptr % 512); /* Copy fractional bytes from sector window */ |
1164: 6e 81 ldd r22, Y+6 ; 0x06 |
1166: 7f 81 ldd r23, Y+7 ; 0x07 |
1168: 71 70 andi r23, 0x01 ; 1 |
116a: 80 e0 ldi r24, 0x00 ; 0 |
116c: 92 e0 ldi r25, 0x02 ; 2 |
116e: 86 1b sub r24, r22 |
1170: 97 0b sbc r25, r23 |
1172: 87 01 movw r16, r14 |
1174: 8e 15 cp r24, r14 |
1176: 9f 05 cpc r25, r15 |
1178: 08 f4 brcc .+2 ; 0x117c <f_read+0x18c> |
117a: 8c 01 movw r16, r24 |
if (rcnt > btr) rcnt = btr; |
memcpy(rbuff, &fs->win[(WORD)fp->fptr % 512], rcnt); |
117c: 64 0d add r22, r4 |
117e: 75 1d adc r23, r5 |
1180: a8 01 movw r20, r16 |
1182: c6 01 movw r24, r12 |
1184: 0e 94 a1 10 call 0x2142 ; 0x2142 <memcpy> |
if (!(fp->flag & FA_READ)) return FR_DENIED; /* Check access mode */ |
remain = fp->fsize - fp->fptr; |
if (btr > remain) btr = (WORD)remain; /* Truncate read count by number of bytes left */ |
|
for ( ; btr; /* Repeat until all data transferred */ |
rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) { |
1188: c0 0e add r12, r16 |
118a: d1 1e adc r13, r17 |
118c: c8 01 movw r24, r16 |
118e: aa 27 eor r26, r26 |
1190: bb 27 eor r27, r27 |
1192: 2e 81 ldd r18, Y+6 ; 0x06 |
1194: 3f 81 ldd r19, Y+7 ; 0x07 |
1196: 48 85 ldd r20, Y+8 ; 0x08 |
1198: 59 85 ldd r21, Y+9 ; 0x09 |
119a: 28 0f add r18, r24 |
119c: 39 1f adc r19, r25 |
119e: 4a 1f adc r20, r26 |
11a0: 5b 1f adc r21, r27 |
11a2: 2e 83 std Y+6, r18 ; 0x06 |
11a4: 3f 83 std Y+7, r19 ; 0x07 |
11a6: 48 87 std Y+8, r20 ; 0x08 |
11a8: 59 87 std Y+9, r21 ; 0x09 |
11aa: f3 01 movw r30, r6 |
11ac: 80 81 ld r24, Z |
11ae: 91 81 ldd r25, Z+1 ; 0x01 |
11b0: 80 0f add r24, r16 |
11b2: 91 1f adc r25, r17 |
11b4: 91 83 std Z+1, r25 ; 0x01 |
11b6: 80 83 st Z, r24 |
11b8: e0 1a sub r14, r16 |
11ba: f1 0a sbc r15, r17 |
if (fp->flag & FA__ERROR) return FR_RW_ERROR; /* Check error flag */ |
if (!(fp->flag & FA_READ)) return FR_DENIED; /* Check access mode */ |
remain = fp->fsize - fp->fptr; |
if (btr > remain) btr = (WORD)remain; /* Truncate read count by number of bytes left */ |
|
for ( ; btr; /* Repeat until all data transferred */ |
11bc: e1 14 cp r14, r1 |
11be: f1 04 cpc r15, r1 |
11c0: 09 f0 breq .+2 ; 0x11c4 <f_read+0x1d4> |
11c2: 54 cf rjmp .-344 ; 0x106c <f_read+0x7c> |
11c4: 06 c0 rjmp .+12 ; 0x11d2 <f_read+0x1e2> |
} |
|
return FR_OK; |
|
fr_error: /* Abort this function due to an unrecoverable error */ |
fp->flag |= FA__ERROR; |
11c6: 8a 81 ldd r24, Y+2 ; 0x02 |
11c8: 80 68 ori r24, 0x80 ; 128 |
11ca: 8a 83 std Y+2, r24 ; 0x02 |
11cc: f8 e0 ldi r31, 0x08 ; 8 |
11ce: af 2e mov r10, r31 |
11d0: b1 2c mov r11, r1 |
return FR_RW_ERROR; |
} |
11d2: c5 01 movw r24, r10 |
11d4: e0 e1 ldi r30, 0x10 ; 16 |
11d6: cd b7 in r28, 0x3d ; 61 |
11d8: de b7 in r29, 0x3e ; 62 |
11da: 0c 94 48 11 jmp 0x2290 ; 0x2290 <__epilogue_restores__+0x4> |
|
000011de <f_mount>: |
|
FRESULT f_mount ( |
BYTE drv, /* Logical drive number to be mounted/unmounted */ |
FATFS *fs /* Pointer to new file system object (NULL for unmount)*/ |
) |
{ |
11de: fb 01 movw r30, r22 |
FATFS *fsobj; |
|
|
if (drv) return FR_INVALID_DRIVE; |
11e0: 88 23 and r24, r24 |
11e2: 19 f0 breq .+6 ; 0x11ea <f_mount+0xc> |
11e4: 85 e0 ldi r24, 0x05 ; 5 |
11e6: 90 e0 ldi r25, 0x00 ; 0 |
11e8: 08 95 ret |
fsobj = FatFs; |
11ea: a0 91 0a 01 lds r26, 0x010A |
11ee: b0 91 0b 01 lds r27, 0x010B |
FatFs = fs; |
11f2: 70 93 0b 01 sts 0x010B, r23 |
11f6: 60 93 0a 01 sts 0x010A, r22 |
if (fsobj) memset(fsobj, 0, sizeof(FATFS)); |
11fa: 10 97 sbiw r26, 0x00 ; 0 |
11fc: 29 f0 breq .+10 ; 0x1208 <f_mount+0x2a> |
11fe: 80 e2 ldi r24, 0x20 ; 32 |
1200: 92 e0 ldi r25, 0x02 ; 2 |
1202: 1d 92 st X+, r1 |
1204: 01 97 sbiw r24, 0x01 ; 1 |
1206: e9 f7 brne .-6 ; 0x1202 <f_mount+0x24> |
if (fs) memset(fs, 0, sizeof(FATFS)); |
1208: 30 97 sbiw r30, 0x00 ; 0 |
120a: 19 f4 brne .+6 ; 0x1212 <f_mount+0x34> |
120c: 80 e0 ldi r24, 0x00 ; 0 |
120e: 90 e0 ldi r25, 0x00 ; 0 |
1210: 08 95 ret |
1212: 80 e2 ldi r24, 0x20 ; 32 |
1214: 92 e0 ldi r25, 0x02 ; 2 |
1216: 11 92 st Z+, r1 |
1218: 01 97 sbiw r24, 0x01 ; 1 |
121a: e9 f7 brne .-6 ; 0x1216 <f_mount+0x38> |
121c: 80 e0 ldi r24, 0x00 ; 0 |
121e: 90 e0 ldi r25, 0x00 ; 0 |
|
return FR_OK; |
} |
1220: 08 95 ret |
|
00001222 <check_fs>: |
|
static |
BYTE check_fs ( /* 0:The FAT boot record, 1:Valid boot record but not an FAT, 2:Not a boot record or error */ |
DWORD sect /* Sector# to check if it is a FAT boot record or not */ |
) |
{ |
1222: 0f 93 push r16 |
1224: cf 93 push r28 |
1226: df 93 push r29 |
1228: 9b 01 movw r18, r22 |
122a: ac 01 movw r20, r24 |
FATFS *fs = FatFs; |
122c: c0 91 0a 01 lds r28, 0x010A |
1230: d0 91 0b 01 lds r29, 0x010B |
|
if (disk_read(0, fs->win, sect, 1) != RES_OK) /* Load boot record */ |
1234: be 01 movw r22, r28 |
1236: 60 5e subi r22, 0xE0 ; 224 |
1238: 7f 4f sbci r23, 0xFF ; 255 |
123a: 01 e0 ldi r16, 0x01 ; 1 |
123c: 80 e0 ldi r24, 0x00 ; 0 |
123e: 0e 94 51 0f call 0x1ea2 ; 0x1ea2 <disk_read> |
1242: 89 2b or r24, r25 |
1244: d9 f4 brne .+54 ; 0x127c <check_fs+0x5a> |
return 2; |
if (LD_WORD(&fs->win[BS_55AA]) != 0xAA55) /* Check record signature */ |
1246: c2 5e subi r28, 0xE2 ; 226 |
1248: dd 4f sbci r29, 0xFD ; 253 |
124a: 88 81 ld r24, Y |
124c: 99 81 ldd r25, Y+1 ; 0x01 |
124e: ce 51 subi r28, 0x1E ; 30 |
1250: d2 40 sbci r29, 0x02 ; 2 |
1252: 85 55 subi r24, 0x55 ; 85 |
1254: 9a 4a sbci r25, 0xAA ; 170 |
1256: 91 f4 brne .+36 ; 0x127c <check_fs+0x5a> |
1258: 00 e0 ldi r16, 0x00 ; 0 |
return 2; |
|
if (!memcmp(&fs->win[BS_FilSysType], "FAT", 3)) /* Check FAT signature */ |
125a: 43 e0 ldi r20, 0x03 ; 3 |
125c: 50 e0 ldi r21, 0x00 ; 0 |
125e: 60 e0 ldi r22, 0x00 ; 0 |
1260: 71 e0 ldi r23, 0x01 ; 1 |
1262: ce 01 movw r24, r28 |
1264: 8a 5a subi r24, 0xAA ; 170 |
1266: 9f 4f sbci r25, 0xFF ; 255 |
1268: 0e 94 94 10 call 0x2128 ; 0x2128 <memcmp> |
126c: 89 2b or r24, r25 |
126e: 09 f4 brne .+2 ; 0x1272 <check_fs+0x50> |
1270: 01 e0 ldi r16, 0x01 ; 1 |
1272: 81 e0 ldi r24, 0x01 ; 1 |
1274: 08 27 eor r16, r24 |
1276: 80 2f mov r24, r16 |
1278: 99 27 eor r25, r25 |
127a: 02 c0 rjmp .+4 ; 0x1280 <check_fs+0x5e> |
127c: 82 e0 ldi r24, 0x02 ; 2 |
127e: 90 e0 ldi r25, 0x00 ; 0 |
1280: df 91 pop r29 |
1282: cf 91 pop r28 |
1284: 0f 91 pop r16 |
1286: 08 95 ret |
|
00001288 <f_open>: |
FRESULT f_open ( |
FIL *fp, /* Pointer to the blank file object */ |
const char *path, /* Pointer to the file name */ |
BYTE mode /* Access mode and file open mode flags */ |
) |
{ |
1288: ad e1 ldi r26, 0x1D ; 29 |
128a: b0 e0 ldi r27, 0x00 ; 0 |
128c: ea e4 ldi r30, 0x4A ; 74 |
128e: f9 e0 ldi r31, 0x09 ; 9 |
1290: 0c 94 2a 11 jmp 0x2254 ; 0x2254 <__prologue_saves__> |
1294: 9d 8f std Y+29, r25 ; 0x1d |
1296: 8c 8f std Y+28, r24 ; 0x1c |
1298: 6b 01 movw r12, r22 |
FRESULT res; |
BYTE *dir; |
DIR dirobj; |
char fn[8+3+1]; |
FATFS *fs = FatFs; |
129a: a0 90 0a 01 lds r10, 0x010A |
129e: b0 90 0b 01 lds r11, 0x010B |
|
|
fp->fs = NULL; |
12a2: fc 01 movw r30, r24 |
12a4: 15 82 std Z+5, r1 ; 0x05 |
12a6: 14 82 std Z+4, r1 ; 0x04 |
#if !_FS_READONLY |
mode &= (FA_READ|FA_WRITE|FA_CREATE_ALWAYS|FA_OPEN_ALWAYS|FA_CREATE_NEW); |
12a8: f4 2f mov r31, r20 |
12aa: ff 71 andi r31, 0x1F ; 31 |
12ac: fb 8f std Y+27, r31 ; 0x1b |
12ae: 03 c0 rjmp .+6 ; 0x12b6 <f_open+0x2e> |
const char *p = *path; |
FATFS *fs = FatFs; |
|
|
|
while (*p == ' ') p++; /* Strip leading spaces */ |
12b0: 08 94 sec |
12b2: c1 1c adc r12, r1 |
12b4: d1 1c adc r13, r1 |
12b6: d6 01 movw r26, r12 |
12b8: 8c 91 ld r24, X |
12ba: 80 32 cpi r24, 0x20 ; 32 |
12bc: c9 f3 breq .-14 ; 0x12b0 <f_open+0x28> |
if (*p == '/') p++; /* Strip heading slash */ |
12be: 8f 32 cpi r24, 0x2F ; 47 |
12c0: 19 f4 brne .+6 ; 0x12c8 <f_open+0x40> |
12c2: 08 94 sec |
12c4: c1 1c adc r12, r1 |
12c6: d1 1c adc r13, r1 |
*path = p; /* Return pointer to the path name */ |
|
/* Is the file system object registered? */ |
if (!fs) return FR_NOT_ENABLED; |
12c8: a1 14 cp r10, r1 |
12ca: b1 04 cpc r11, r1 |
12cc: 09 f4 brne .+2 ; 0x12d0 <f_open+0x48> |
12ce: 15 c1 rjmp .+554 ; 0x14fa <f_open+0x272> |
|
|
fp->fs = NULL; |
#if !_FS_READONLY |
mode &= (FA_READ|FA_WRITE|FA_CREATE_ALWAYS|FA_OPEN_ALWAYS|FA_CREATE_NEW); |
res = auto_mount(&path, (BYTE)(mode & (FA_WRITE|FA_CREATE_ALWAYS|FA_OPEN_ALWAYS|FA_CREATE_NEW))); |
12d0: 1b 8d ldd r17, Y+27 ; 0x1b |
12d2: 1e 71 andi r17, 0x1E ; 30 |
|
/* Is the file system object registered? */ |
if (!fs) return FR_NOT_ENABLED; |
|
/* Chekck if the logical drive has been mounted or not */ |
if (fs->fs_type) { |
12d4: f5 01 movw r30, r10 |
12d6: 84 8d ldd r24, Z+28 ; 0x1c |
12d8: 88 23 and r24, r24 |
12da: 61 f0 breq .+24 ; 0x12f4 <f_open+0x6c> |
stat = disk_status(0); |
12dc: 80 e0 ldi r24, 0x00 ; 0 |
12de: 0e 94 bf 0d call 0x1b7e ; 0x1b7e <disk_status> |
if (!(stat & STA_NOINIT)) { /* If the physical drive is kept initialized */ |
12e2: 99 27 eor r25, r25 |
12e4: 80 fd sbrc r24, 0 |
12e6: 06 c0 rjmp .+12 ; 0x12f4 <f_open+0x6c> |
#if !_FS_READONLY |
if (chk_wp && (stat & STA_PROTECT)) /* Check write protection if needed */ |
12e8: 11 23 and r17, r17 |
12ea: 09 f4 brne .+2 ; 0x12ee <f_open+0x66> |
12ec: 29 c3 rjmp .+1618 ; 0x1940 <f_open+0x6b8> |
12ee: 82 fd sbrc r24, 2 |
12f0: 07 c1 rjmp .+526 ; 0x1500 <f_open+0x278> |
12f2: 26 c3 rjmp .+1612 ; 0x1940 <f_open+0x6b8> |
} |
} |
|
/* The logical drive has not been mounted, following code attempts to mount the logical drive */ |
|
memset(fs, 0, sizeof(FATFS)); /* Clean-up the file system object */ |
12f4: 80 e2 ldi r24, 0x20 ; 32 |
12f6: 92 e0 ldi r25, 0x02 ; 2 |
12f8: d5 01 movw r26, r10 |
12fa: 1d 92 st X+, r1 |
12fc: 01 97 sbiw r24, 0x01 ; 1 |
12fe: e9 f7 brne .-6 ; 0x12fa <f_open+0x72> |
stat = disk_initialize(0); /* Initialize low level disk I/O layer */ |
1300: 80 e0 ldi r24, 0x00 ; 0 |
1302: 0e 94 ae 0f call 0x1f5c ; 0x1f5c <disk_initialize> |
if (stat & STA_NOINIT) /* Check if the drive is ready */ |
1306: 99 27 eor r25, r25 |
1308: 80 ff sbrs r24, 0 |
130a: 03 c0 rjmp .+6 ; 0x1312 <f_open+0x8a> |
130c: 21 e0 ldi r18, 0x01 ; 1 |
130e: 30 e0 ldi r19, 0x00 ; 0 |
1310: 45 c3 rjmp .+1674 ; 0x199c <f_open+0x714> |
return FR_NOT_READY; |
#if !_FS_READONLY |
if (chk_wp && (stat & STA_PROTECT)) /* Check write protection if needed */ |
1312: 11 23 and r17, r17 |
1314: 11 f0 breq .+4 ; 0x131a <f_open+0x92> |
1316: 82 fd sbrc r24, 2 |
1318: f3 c0 rjmp .+486 ; 0x1500 <f_open+0x278> |
return FR_WRITE_PROTECTED; |
#endif |
|
/* Search FAT partition on the drive */ |
fmt = check_fs(bootsect = 0); /* Check sector 0 as an SFD format */ |
131a: 60 e0 ldi r22, 0x00 ; 0 |
131c: 70 e0 ldi r23, 0x00 ; 0 |
131e: 80 e0 ldi r24, 0x00 ; 0 |
1320: 90 e0 ldi r25, 0x00 ; 0 |
1322: 0e 94 11 09 call 0x1222 ; 0x1222 <check_fs> |
if (fmt == 1) { /* Not a FAT boot record, it may be patitioned */ |
1326: 81 30 cpi r24, 0x01 ; 1 |
1328: 21 f0 breq .+8 ; 0x1332 <f_open+0xaa> |
132a: ee 24 eor r14, r14 |
132c: ff 24 eor r15, r15 |
132e: 87 01 movw r16, r14 |
1330: 1e c0 rjmp .+60 ; 0x136e <f_open+0xe6> |
/* Check a partition listed in top of the partition table */ |
if (fs->win[MBR_Table+4]) { /* Is the 1st partition existing? */ |
1332: e2 ee ldi r30, 0xE2 ; 226 |
1334: f1 e0 ldi r31, 0x01 ; 1 |
1336: ae 0e add r10, r30 |
1338: bf 1e adc r11, r31 |
133a: d5 01 movw r26, r10 |
133c: 8c 91 ld r24, X |
133e: ee e1 ldi r30, 0x1E ; 30 |
1340: fe ef ldi r31, 0xFE ; 254 |
1342: ae 0e add r10, r30 |
1344: bf 1e adc r11, r31 |
1346: 88 23 and r24, r24 |
1348: 09 f4 brne .+2 ; 0x134c <f_open+0xc4> |
134a: dd c0 rjmp .+442 ; 0x1506 <f_open+0x27e> |
bootsect = LD_DWORD(&fs->win[MBR_Table+8]); /* Partition offset in LBA */ |
134c: 26 ee ldi r18, 0xE6 ; 230 |
134e: 31 e0 ldi r19, 0x01 ; 1 |
1350: a2 0e add r10, r18 |
1352: b3 1e adc r11, r19 |
1354: d5 01 movw r26, r10 |
1356: ed 90 ld r14, X+ |
1358: fd 90 ld r15, X+ |
135a: 0d 91 ld r16, X+ |
135c: 1c 91 ld r17, X |
135e: ea e1 ldi r30, 0x1A ; 26 |
1360: fe ef ldi r31, 0xFE ; 254 |
1362: ae 0e add r10, r30 |
1364: bf 1e adc r11, r31 |
fmt = check_fs(bootsect); /* Check the partition */ |
1366: c8 01 movw r24, r16 |
1368: b7 01 movw r22, r14 |
136a: 0e 94 11 09 call 0x1222 ; 0x1222 <check_fs> |
} |
} |
if (fmt || LD_WORD(&fs->win[BPB_BytsPerSec]) != 512) /* No valid FAT patition is found */ |
136e: 88 23 and r24, r24 |
1370: 09 f0 breq .+2 ; 0x1374 <f_open+0xec> |
1372: c9 c0 rjmp .+402 ; 0x1506 <f_open+0x27e> |
1374: f5 01 movw r30, r10 |
1376: 83 a5 ldd r24, Z+43 ; 0x2b |
1378: 94 a5 ldd r25, Z+44 ; 0x2c |
137a: 80 50 subi r24, 0x00 ; 0 |
137c: 92 40 sbci r25, 0x02 ; 2 |
137e: 09 f0 breq .+2 ; 0x1382 <f_open+0xfa> |
1380: c2 c0 rjmp .+388 ; 0x1506 <f_open+0x27e> |
return FR_NO_FILESYSTEM; |
|
/* Initialize the file system object */ |
fatsize = LD_WORD(&fs->win[BPB_FATSz16]); /* Number of sectors per FAT */ |
1382: f5 01 movw r30, r10 |
1384: 66 a9 ldd r22, Z+54 ; 0x36 |
1386: 77 a9 ldd r23, Z+55 ; 0x37 |
if (!fatsize) fatsize = LD_DWORD(&fs->win[BPB_FATSz32]); |
1388: 61 15 cp r22, r1 |
138a: 71 05 cpc r23, r1 |
138c: 19 f0 breq .+6 ; 0x1394 <f_open+0x10c> |
} |
if (fmt || LD_WORD(&fs->win[BPB_BytsPerSec]) != 512) /* No valid FAT patition is found */ |
return FR_NO_FILESYSTEM; |
|
/* Initialize the file system object */ |
fatsize = LD_WORD(&fs->win[BPB_FATSz16]); /* Number of sectors per FAT */ |
138e: 88 27 eor r24, r24 |
1390: 99 27 eor r25, r25 |
1392: 0d c0 rjmp .+26 ; 0x13ae <f_open+0x126> |
if (!fatsize) fatsize = LD_DWORD(&fs->win[BPB_FATSz32]); |
1394: 24 e4 ldi r18, 0x44 ; 68 |
1396: 30 e0 ldi r19, 0x00 ; 0 |
1398: a2 0e add r10, r18 |
139a: b3 1e adc r11, r19 |
139c: d5 01 movw r26, r10 |
139e: 6d 91 ld r22, X+ |
13a0: 7d 91 ld r23, X+ |
13a2: 8d 91 ld r24, X+ |
13a4: 9c 91 ld r25, X |
13a6: ec eb ldi r30, 0xBC ; 188 |
13a8: ff ef ldi r31, 0xFF ; 255 |
13aa: ae 0e add r10, r30 |
13ac: bf 1e adc r11, r31 |
fs->sects_fat = (CLUST)fatsize; |
13ae: f5 01 movw r30, r10 |
13b0: 75 8b std Z+21, r23 ; 0x15 |
13b2: 64 8b std Z+20, r22 ; 0x14 |
fs->n_fats = fs->win[BPB_NumFATs]; /* Number of FAT copies */ |
13b4: 20 a9 ldd r18, Z+48 ; 0x30 |
13b6: 26 8f std Z+30, r18 ; 0x1e |
fatsize *= fs->n_fats; /* (Number of sectors in FAT area) */ |
13b8: 33 27 eor r19, r19 |
13ba: 44 27 eor r20, r20 |
13bc: 55 27 eor r21, r21 |
13be: 0e 94 e9 10 call 0x21d2 ; 0x21d2 <__mulsi3> |
13c2: 3b 01 movw r6, r22 |
13c4: 4c 01 movw r8, r24 |
fs->fatbase = bootsect + LD_WORD(&fs->win[BPB_RsvdSecCnt]); /* FAT start sector (lba) */ |
13c6: a5 01 movw r20, r10 |
13c8: 42 5d subi r20, 0xD2 ; 210 |
13ca: 5f 4f sbci r21, 0xFF ; 255 |
13cc: f5 01 movw r30, r10 |
13ce: 86 a5 ldd r24, Z+46 ; 0x2e |
13d0: 97 a5 ldd r25, Z+47 ; 0x2f |
13d2: aa 27 eor r26, r26 |
13d4: bb 27 eor r27, r27 |
13d6: e8 0e add r14, r24 |
13d8: f9 1e adc r15, r25 |
13da: 0a 1f adc r16, r26 |
13dc: 1b 1f adc r17, r27 |
13de: e0 86 std Z+8, r14 ; 0x08 |
13e0: f1 86 std Z+9, r15 ; 0x09 |
13e2: 02 87 std Z+10, r16 ; 0x0a |
13e4: 13 87 std Z+11, r17 ; 0x0b |
fs->sects_clust = fs->win[BPB_SecPerClus]; /* Number of sectors per cluster */ |
13e6: 85 a5 ldd r24, Z+45 ; 0x2d |
13e8: 85 8f std Z+29, r24 ; 0x1d |
fs->n_rootdir = LD_WORD(&fs->win[BPB_RootEntCnt]); /* Nmuber of root directory entries */ |
13ea: 21 a9 ldd r18, Z+49 ; 0x31 |
13ec: 32 a9 ldd r19, Z+50 ; 0x32 |
13ee: 33 83 std Z+3, r19 ; 0x03 |
13f0: 22 83 std Z+2, r18 ; 0x02 |
totalsect = LD_WORD(&fs->win[BPB_TotSec16]); /* Number of sectors on the file system */ |
13f2: 63 a9 ldd r22, Z+51 ; 0x33 |
13f4: 74 a9 ldd r23, Z+52 ; 0x34 |
if (!totalsect) totalsect = LD_DWORD(&fs->win[BPB_TotSec32]); |
13f6: 61 15 cp r22, r1 |
13f8: 71 05 cpc r23, r1 |
13fa: 21 f0 breq .+8 ; 0x1404 <f_open+0x17c> |
fs->n_fats = fs->win[BPB_NumFATs]; /* Number of FAT copies */ |
fatsize *= fs->n_fats; /* (Number of sectors in FAT area) */ |
fs->fatbase = bootsect + LD_WORD(&fs->win[BPB_RsvdSecCnt]); /* FAT start sector (lba) */ |
fs->sects_clust = fs->win[BPB_SecPerClus]; /* Number of sectors per cluster */ |
fs->n_rootdir = LD_WORD(&fs->win[BPB_RootEntCnt]); /* Nmuber of root directory entries */ |
totalsect = LD_WORD(&fs->win[BPB_TotSec16]); /* Number of sectors on the file system */ |
13fc: 7b 01 movw r14, r22 |
13fe: 00 27 eor r16, r16 |
1400: 11 27 eor r17, r17 |
1402: 0d c0 rjmp .+26 ; 0x141e <f_open+0x196> |
if (!totalsect) totalsect = LD_DWORD(&fs->win[BPB_TotSec32]); |
1404: 80 e4 ldi r24, 0x40 ; 64 |
1406: 90 e0 ldi r25, 0x00 ; 0 |
1408: a8 0e add r10, r24 |
140a: b9 1e adc r11, r25 |
140c: d5 01 movw r26, r10 |
140e: ed 90 ld r14, X+ |
1410: fd 90 ld r15, X+ |
1412: 0d 91 ld r16, X+ |
1414: 1c 91 ld r17, X |
1416: e0 ec ldi r30, 0xC0 ; 192 |
1418: ff ef ldi r31, 0xFF ; 255 |
141a: ae 0e add r10, r30 |
141c: bf 1e adc r11, r31 |
fs->max_clust = maxclust = (totalsect /* Last cluster# + 1 */ |
141e: da 01 movw r26, r20 |
1420: 8d 91 ld r24, X+ |
1422: 9c 91 ld r25, X |
1424: aa 27 eor r26, r26 |
1426: bb 27 eor r27, r27 |
1428: e8 1a sub r14, r24 |
142a: f9 0a sbc r15, r25 |
142c: 0a 0b sbc r16, r26 |
142e: 1b 0b sbc r17, r27 |
1430: e6 18 sub r14, r6 |
1432: f7 08 sbc r15, r7 |
1434: 08 09 sbc r16, r8 |
1436: 19 09 sbc r17, r9 |
1438: e4 e0 ldi r30, 0x04 ; 4 |
143a: 36 95 lsr r19 |
143c: 27 95 ror r18 |
143e: ea 95 dec r30 |
1440: e1 f7 brne .-8 ; 0x143a <f_open+0x1b2> |
1442: c9 01 movw r24, r18 |
1444: aa 27 eor r26, r26 |
1446: bb 27 eor r27, r27 |
1448: e8 1a sub r14, r24 |
144a: f9 0a sbc r15, r25 |
144c: 0a 0b sbc r16, r26 |
144e: 1b 0b sbc r17, r27 |
1450: f5 01 movw r30, r10 |
1452: 25 8d ldd r18, Z+29 ; 0x1d |
1454: 33 27 eor r19, r19 |
1456: 44 27 eor r20, r20 |
1458: 55 27 eor r21, r21 |
145a: c8 01 movw r24, r16 |
145c: b7 01 movw r22, r14 |
145e: 0e 94 08 11 call 0x2210 ; 0x2210 <__udivmodsi4> |
1462: 2e 5f subi r18, 0xFE ; 254 |
1464: 3f 4f sbci r19, 0xFF ; 255 |
1466: 4f 4f sbci r20, 0xFF ; 255 |
1468: 5f 4f sbci r21, 0xFF ; 255 |
146a: f5 01 movw r30, r10 |
146c: 37 8b std Z+23, r19 ; 0x17 |
146e: 26 8b std Z+22, r18 ; 0x16 |
- LD_WORD(&fs->win[BPB_RsvdSecCnt]) - fatsize - fs->n_rootdir / 16 |
) / fs->sects_clust + 2; |
|
fmt = FS_FAT12; /* Determine the FAT sub type */ |
if (maxclust > 0xFF7) fmt = FS_FAT16; |
1470: 28 3f cpi r18, 0xF8 ; 248 |
1472: ff e0 ldi r31, 0x0F ; 15 |
1474: 3f 07 cpc r19, r31 |
1476: f0 e0 ldi r31, 0x00 ; 0 |
1478: 4f 07 cpc r20, r31 |
147a: f0 e0 ldi r31, 0x00 ; 0 |
147c: 5f 07 cpc r21, r31 |
147e: 10 f4 brcc .+4 ; 0x1484 <f_open+0x1fc> |
1480: 61 e0 ldi r22, 0x01 ; 1 |
1482: 06 c0 rjmp .+12 ; 0x1490 <f_open+0x208> |
if (maxclust > 0xFFF7) |
1484: 28 5f subi r18, 0xF8 ; 248 |
1486: 3f 4f sbci r19, 0xFF ; 255 |
1488: 40 40 sbci r20, 0x00 ; 0 |
148a: 50 40 sbci r21, 0x00 ; 0 |
148c: e0 f5 brcc .+120 ; 0x1506 <f_open+0x27e> |
148e: 62 e0 ldi r22, 0x02 ; 2 |
fmt = FS_FAT32; |
if (fmt == FS_FAT32) |
fs->dirbase = LD_DWORD(&fs->win[BPB_RootClus]); /* Root directory start cluster */ |
else |
#endif |
fs->dirbase = fs->fatbase + fatsize; /* Root directory start sector (lba) */ |
1490: f5 01 movw r30, r10 |
1492: 20 85 ldd r18, Z+8 ; 0x08 |
1494: 31 85 ldd r19, Z+9 ; 0x09 |
1496: 42 85 ldd r20, Z+10 ; 0x0a |
1498: 53 85 ldd r21, Z+11 ; 0x0b |
149a: d4 01 movw r26, r8 |
149c: c3 01 movw r24, r6 |
149e: 82 0f add r24, r18 |
14a0: 93 1f adc r25, r19 |
14a2: a4 1f adc r26, r20 |
14a4: b5 1f adc r27, r21 |
14a6: 84 87 std Z+12, r24 ; 0x0c |
14a8: 95 87 std Z+13, r25 ; 0x0d |
14aa: a6 87 std Z+14, r26 ; 0x0e |
14ac: b7 87 std Z+15, r27 ; 0x0f |
fs->database = fs->fatbase + fatsize + fs->n_rootdir / 16; /* Data start sector (lba) */ |
14ae: 82 81 ldd r24, Z+2 ; 0x02 |
14b0: 93 81 ldd r25, Z+3 ; 0x03 |
14b2: 74 e0 ldi r23, 0x04 ; 4 |
14b4: 96 95 lsr r25 |
14b6: 87 95 ror r24 |
14b8: 7a 95 dec r23 |
14ba: e1 f7 brne .-8 ; 0x14b4 <f_open+0x22c> |
14bc: aa 27 eor r26, r26 |
14be: bb 27 eor r27, r27 |
14c0: 82 0f add r24, r18 |
14c2: 93 1f adc r25, r19 |
14c4: a4 1f adc r26, r20 |
14c6: b5 1f adc r27, r21 |
14c8: 86 0d add r24, r6 |
14ca: 97 1d adc r25, r7 |
14cc: a8 1d adc r26, r8 |
14ce: b9 1d adc r27, r9 |
14d0: 80 8b std Z+16, r24 ; 0x10 |
14d2: 91 8b std Z+17, r25 ; 0x11 |
14d4: a2 8b std Z+18, r26 ; 0x12 |
14d6: b3 8b std Z+19, r27 ; 0x13 |
fs->fs_type = fmt; /* FAT sub-type */ |
14d8: 64 8f std Z+28, r22 ; 0x1c |
|
#if !_FS_READONLY |
fs->free_clust = (CLUST)0xFFFFFFFF; |
14da: 8f ef ldi r24, 0xFF ; 255 |
14dc: 9f ef ldi r25, 0xFF ; 255 |
14de: 93 8f std Z+27, r25 ; 0x1b |
14e0: 82 8f std Z+26, r24 ; 0x1a |
fs->free_clust = LD_DWORD(&fs->win[FSI_Free_Count]); |
} |
} |
#endif |
#endif |
fs->id = ++fsid; /* File system mount ID */ |
14e2: 80 91 0c 01 lds r24, 0x010C |
14e6: 90 91 0d 01 lds r25, 0x010D |
14ea: 01 96 adiw r24, 0x01 ; 1 |
14ec: 90 93 0d 01 sts 0x010D, r25 |
14f0: 80 93 0c 01 sts 0x010C, r24 |
14f4: 91 83 std Z+1, r25 ; 0x01 |
14f6: 80 83 st Z, r24 |
14f8: 23 c2 rjmp .+1094 ; 0x1940 <f_open+0x6b8> |
14fa: 2a e0 ldi r18, 0x0A ; 10 |
14fc: 30 e0 ldi r19, 0x00 ; 0 |
14fe: 4e c2 rjmp .+1180 ; 0x199c <f_open+0x714> |
1500: 29 e0 ldi r18, 0x09 ; 9 |
1502: 30 e0 ldi r19, 0x00 ; 0 |
1504: 4b c2 rjmp .+1174 ; 0x199c <f_open+0x714> |
1506: 2b e0 ldi r18, 0x0B ; 11 |
1508: 30 e0 ldi r19, 0x00 ; 0 |
150a: 48 c2 rjmp .+1168 ; 0x199c <f_open+0x714> |
150c: 36 01 movw r6, r12 |
) |
{ |
BYTE n, t, c, a, b; |
|
|
memset(dirname, ' ', 8+3); /* Fill buffer with spaces */ |
150e: 4e 01 movw r8, r28 |
1510: 08 94 sec |
1512: 81 1c adc r8, r1 |
1514: 91 1c adc r9, r1 |
for (;;) { |
ds = make_dirfile(&path, fn); /* Get a paragraph into fn[] */ |
if (ds == 1) return FR_INVALID_NAME; |
for (;;) { |
if (!move_window(dirobj->sect)) return FR_RW_ERROR; |
dptr = &fs->win[(dirobj->index & 15) * 32]; /* Pointer to the directory entry */ |
1516: 50 e2 ldi r21, 0x20 ; 32 |
1518: 45 2e mov r4, r21 |
151a: 51 2c mov r5, r1 |
151c: 4e 0e add r4, r30 |
151e: 5f 1e adc r5, r31 |
if (dptr[DIR_Name] == 0) /* Has it reached to end of dir? */ |
return !ds ? FR_NO_FILE : FR_NO_PATH; |
if (dptr[DIR_Name] != 0xE5 /* Matched? */ |
&& !(dptr[DIR_Attr] & AM_VOL) |
&& !memcmp(&dptr[DIR_Name], fn, 8+3) ) break; |
if (!next_dir_entry(dirobj)) /* Next directory pointer */ |
1520: 4d e0 ldi r20, 0x0D ; 13 |
1522: 24 2e mov r2, r20 |
1524: 31 2c mov r3, r1 |
1526: 2c 0e add r2, r28 |
1528: 3d 1e adc r3, r29 |
) |
{ |
BYTE n, t, c, a, b; |
|
|
memset(dirname, ' ', 8+3); /* Fill buffer with spaces */ |
152a: 4b e0 ldi r20, 0x0B ; 11 |
152c: 50 e0 ldi r21, 0x00 ; 0 |
152e: 60 e2 ldi r22, 0x20 ; 32 |
1530: 70 e0 ldi r23, 0x00 ; 0 |
1532: c4 01 movw r24, r8 |
1534: 0e 94 aa 10 call 0x2154 ; 0x2154 <memset> |
1538: 40 e0 ldi r20, 0x00 ; 0 |
153a: 68 e0 ldi r22, 0x08 ; 8 |
153c: 30 e0 ldi r19, 0x00 ; 0 |
153e: 58 e1 ldi r21, 0x18 ; 24 |
1540: 02 c0 rjmp .+4 ; 0x1546 <f_open+0x2be> |
1542: 48 e0 ldi r20, 0x08 ; 8 |
1544: 6b e0 ldi r22, 0x0B ; 11 |
a = 0; b = 0x18; /* NT flag */ |
n = 0; t = 8; |
for (;;) { |
c = *(*path)++; |
1546: d3 01 movw r26, r6 |
1548: 2d 91 ld r18, X+ |
154a: 3d 01 movw r6, r26 |
if (c == '\0' || c == '/') { /* Reached to end of str or directory separator */ |
154c: 22 23 and r18, r18 |
154e: 11 f0 breq .+4 ; 0x1554 <f_open+0x2cc> |
1550: 2f 32 cpi r18, 0x2F ; 47 |
1552: 51 f4 brne .+20 ; 0x1568 <f_open+0x2e0> |
if (n == 0) break; |
1554: 44 23 and r20, r20 |
1556: 09 f4 brne .+2 ; 0x155a <f_open+0x2d2> |
1558: 43 c0 rjmp .+134 ; 0x15e0 <f_open+0x358> |
dirname[11] = _USE_NTFLAG ? (a & b) : 0; |
155a: 53 23 and r21, r19 |
155c: 5c 87 std Y+12, r21 ; 0x0c |
return c; |
155e: 82 2f mov r24, r18 |
1560: 99 27 eor r25, r25 |
1562: 87 fd sbrc r24, 7 |
1564: 90 95 com r25 |
1566: 3e c0 rjmp .+124 ; 0x15e4 <f_open+0x35c> |
|
memset(dirname, ' ', 8+3); /* Fill buffer with spaces */ |
a = 0; b = 0x18; /* NT flag */ |
n = 0; t = 8; |
for (;;) { |
c = *(*path)++; |
1568: 92 2f mov r25, r18 |
if (c == '\0' || c == '/') { /* Reached to end of str or directory separator */ |
if (n == 0) break; |
dirname[11] = _USE_NTFLAG ? (a & b) : 0; |
return c; |
} |
if (c <= ' ' || c == 0x7F) break; /* Reject invisible chars */ |
156a: 21 32 cpi r18, 0x21 ; 33 |
156c: c8 f1 brcs .+114 ; 0x15e0 <f_open+0x358> |
156e: 2f 37 cpi r18, 0x7F ; 127 |
1570: b9 f1 breq .+110 ; 0x15e0 <f_open+0x358> |
if (c == '.') { |
1572: 2e 32 cpi r18, 0x2E ; 46 |
1574: 39 f4 brne .+14 ; 0x1584 <f_open+0x2fc> |
if (!(a & 1) && n >= 1 && n <= 8) { /* Enter extension part */ |
1576: 30 fd sbrc r19, 0 |
1578: 33 c0 rjmp .+102 ; 0x15e0 <f_open+0x358> |
157a: 44 23 and r20, r20 |
157c: 89 f1 breq .+98 ; 0x15e0 <f_open+0x358> |
157e: 49 30 cpi r20, 0x09 ; 9 |
1580: 00 f3 brcs .-64 ; 0x1542 <f_open+0x2ba> |
1582: 2e c0 rjmp .+92 ; 0x15e0 <f_open+0x358> |
(c >= 0xE0 && c <= 0xFC))) { |
if (n == 0 && c == 0xE5) /* Change heading \xE5 to \x05 */ |
c = 0x05; |
a ^= 1; goto md_l2; |
} |
if (c == '"') break; /* Reject " */ |
1584: 22 32 cpi r18, 0x22 ; 34 |
1586: 61 f1 breq .+88 ; 0x15e0 <f_open+0x358> |
if (c <= ')') goto md_l1; /* Accept ! # $ % & ' ( ) */ |
1588: 2a 32 cpi r18, 0x2A ; 42 |
158a: 08 f1 brcs .+66 ; 0x15ce <f_open+0x346> |
if (c <= ',') break; /* Reject * + , */ |
158c: 2d 32 cpi r18, 0x2D ; 45 |
158e: 40 f1 brcs .+80 ; 0x15e0 <f_open+0x358> |
if (c <= '9') goto md_l1; /* Accept - 0-9 */ |
1590: 2a 33 cpi r18, 0x3A ; 58 |
1592: e8 f0 brcs .+58 ; 0x15ce <f_open+0x346> |
if (c <= '?') break; /* Reject : ; < = > ? */ |
1594: 20 34 cpi r18, 0x40 ; 64 |
1596: 20 f1 brcs .+72 ; 0x15e0 <f_open+0x358> |
if (!(a & 1)) { /* These checks are not applied to S-JIS 2nd byte */ |
1598: 30 fd sbrc r19, 0 |
159a: 19 c0 rjmp .+50 ; 0x15ce <f_open+0x346> |
if (c == '|') break; /* Reject | */ |
159c: 2c 37 cpi r18, 0x7C ; 124 |
159e: 01 f1 breq .+64 ; 0x15e0 <f_open+0x358> |
if (c >= '[' && c <= ']') break;/* Reject [ \ ] */ |
15a0: 82 2f mov r24, r18 |
15a2: 8b 55 subi r24, 0x5B ; 91 |
15a4: 83 30 cpi r24, 0x03 ; 3 |
15a6: e0 f0 brcs .+56 ; 0x15e0 <f_open+0x358> |
if (_USE_NTFLAG && c >= 'A' && c <= 'Z') |
15a8: 86 5e subi r24, 0xE6 ; 230 |
15aa: 8a 31 cpi r24, 0x1A ; 26 |
15ac: 28 f4 brcc .+10 ; 0x15b8 <f_open+0x330> |
(t == 8) ? (b &= ~0x08) : (b &= ~0x10); |
15ae: 68 30 cpi r22, 0x08 ; 8 |
15b0: 11 f4 brne .+4 ; 0x15b6 <f_open+0x32e> |
15b2: 57 7f andi r21, 0xF7 ; 247 |
15b4: 01 c0 rjmp .+2 ; 0x15b8 <f_open+0x330> |
15b6: 5f 7e andi r21, 0xEF ; 239 |
if (c >= 'a' && c <= 'z') { /* Convert to upper case */ |
15b8: 82 2f mov r24, r18 |
15ba: 81 56 subi r24, 0x61 ; 97 |
15bc: 8a 31 cpi r24, 0x1A ; 26 |
15be: 38 f4 brcc .+14 ; 0x15ce <f_open+0x346> |
c -= 0x20; |
15c0: 92 2f mov r25, r18 |
15c2: 90 52 subi r25, 0x20 ; 32 |
if (_USE_NTFLAG) (t == 8) ? (a |= 0x08) : (a |= 0x10); |
15c4: 68 30 cpi r22, 0x08 ; 8 |
15c6: 11 f4 brne .+4 ; 0x15cc <f_open+0x344> |
15c8: 38 60 ori r19, 0x08 ; 8 |
15ca: 01 c0 rjmp .+2 ; 0x15ce <f_open+0x346> |
15cc: 30 61 ori r19, 0x10 ; 16 |
} |
} |
md_l1: |
a &= ~1; |
md_l2: |
if (n >= t) break; |
15ce: 46 17 cp r20, r22 |
15d0: 38 f4 brcc .+14 ; 0x15e0 <f_open+0x358> |
c -= 0x20; |
if (_USE_NTFLAG) (t == 8) ? (a |= 0x08) : (a |= 0x10); |
} |
} |
md_l1: |
a &= ~1; |
15d2: 3e 7f andi r19, 0xFE ; 254 |
md_l2: |
if (n >= t) break; |
dirname[n++] = c; |
15d4: f4 01 movw r30, r8 |
15d6: e4 0f add r30, r20 |
15d8: f1 1d adc r31, r1 |
15da: 90 83 st Z, r25 |
15dc: 4f 5f subi r20, 0xFF ; 255 |
15de: b3 cf rjmp .-154 ; 0x1546 <f_open+0x2be> |
15e0: 81 e0 ldi r24, 0x01 ; 1 |
15e2: 90 e0 ldi r25, 0x00 ; 0 |
if (*path == '\0') { /* Null path means the root directory */ |
*dir = NULL; return FR_OK; |
} |
|
for (;;) { |
ds = make_dirfile(&path, fn); /* Get a paragraph into fn[] */ |
15e4: d8 2e mov r13, r24 |
if (ds == 1) return FR_INVALID_NAME; |
15e6: b1 e0 ldi r27, 0x01 ; 1 |
15e8: 8b 17 cp r24, r27 |
15ea: 19 f4 brne .+6 ; 0x15f2 <f_open+0x36a> |
15ec: 24 e0 ldi r18, 0x04 ; 4 |
15ee: 30 e0 ldi r19, 0x00 ; 0 |
15f0: 55 c0 rjmp .+170 ; 0x169c <f_open+0x414> |
for (;;) { |
if (!move_window(dirobj->sect)) return FR_RW_ERROR; |
15f2: 6f 89 ldd r22, Y+23 ; 0x17 |
15f4: 78 8d ldd r23, Y+24 ; 0x18 |
15f6: 89 8d ldd r24, Y+25 ; 0x19 |
15f8: 9a 8d ldd r25, Y+26 ; 0x1a |
15fa: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
15fe: 88 23 and r24, r24 |
1600: 19 f4 brne .+6 ; 0x1608 <f_open+0x380> |
1602: 28 e0 ldi r18, 0x08 ; 8 |
1604: 30 e0 ldi r19, 0x00 ; 0 |
1606: 4a c0 rjmp .+148 ; 0x169c <f_open+0x414> |
dptr = &fs->win[(dirobj->index & 15) * 32]; /* Pointer to the directory entry */ |
1608: 0f 85 ldd r16, Y+15 ; 0x0f |
160a: 18 89 ldd r17, Y+16 ; 0x10 |
160c: 0f 70 andi r16, 0x0F ; 15 |
160e: 10 70 andi r17, 0x00 ; 0 |
1610: 35 e0 ldi r19, 0x05 ; 5 |
1612: 00 0f add r16, r16 |
1614: 11 1f adc r17, r17 |
1616: 3a 95 dec r19 |
1618: e1 f7 brne .-8 ; 0x1612 <f_open+0x38a> |
161a: 04 0d add r16, r4 |
161c: 15 1d adc r17, r5 |
if (dptr[DIR_Name] == 0) /* Has it reached to end of dir? */ |
161e: f8 01 movw r30, r16 |
1620: 80 81 ld r24, Z |
1622: 88 23 and r24, r24 |
1624: a9 f0 breq .+42 ; 0x1650 <f_open+0x3c8> |
return !ds ? FR_NO_FILE : FR_NO_PATH; |
if (dptr[DIR_Name] != 0xE5 /* Matched? */ |
1626: 85 3e cpi r24, 0xE5 ; 229 |
1628: 71 f0 breq .+28 ; 0x1646 <f_open+0x3be> |
162a: f8 01 movw r30, r16 |
162c: 83 85 ldd r24, Z+11 ; 0x0b |
162e: e8 2e mov r14, r24 |
1630: ff 24 eor r15, r15 |
1632: e3 fc sbrc r14, 3 |
1634: 08 c0 rjmp .+16 ; 0x1646 <f_open+0x3be> |
1636: 4b e0 ldi r20, 0x0B ; 11 |
1638: 50 e0 ldi r21, 0x00 ; 0 |
163a: b4 01 movw r22, r8 |
163c: c8 01 movw r24, r16 |
163e: 0e 94 94 10 call 0x2128 ; 0x2128 <memcmp> |
1642: 89 2b or r24, r25 |
1644: 51 f0 breq .+20 ; 0x165a <f_open+0x3d2> |
&& !(dptr[DIR_Attr] & AM_VOL) |
&& !memcmp(&dptr[DIR_Name], fn, 8+3) ) break; |
if (!next_dir_entry(dirobj)) /* Next directory pointer */ |
1646: c1 01 movw r24, r2 |
1648: 0e 94 cb 04 call 0x996 ; 0x996 <next_dir_entry> |
164c: 88 23 and r24, r24 |
164e: 89 f6 brne .-94 ; 0x15f2 <f_open+0x36a> |
return !ds ? FR_NO_FILE : FR_NO_PATH; |
1650: dd 20 and r13, r13 |
1652: 59 f4 brne .+22 ; 0x166a <f_open+0x3e2> |
1654: 22 e0 ldi r18, 0x02 ; 2 |
1656: 30 e0 ldi r19, 0x00 ; 0 |
1658: 21 c0 rjmp .+66 ; 0x169c <f_open+0x414> |
} |
if (!ds) { *dir = dptr; return FR_OK; } /* Matched with end of path */ |
165a: dd 20 and r13, r13 |
165c: 21 f4 brne .+8 ; 0x1666 <f_open+0x3de> |
165e: 68 01 movw r12, r16 |
1660: 20 e0 ldi r18, 0x00 ; 0 |
1662: 30 e0 ldi r19, 0x00 ; 0 |
1664: 1b c0 rjmp .+54 ; 0x169c <f_open+0x414> |
if (!(dptr[DIR_Attr] & AM_DIR)) return FR_NO_PATH; /* Cannot trace because it is a file */ |
1666: e4 fc sbrc r14, 4 |
1668: 03 c0 rjmp .+6 ; 0x1670 <f_open+0x3e8> |
166a: 23 e0 ldi r18, 0x03 ; 3 |
166c: 30 e0 ldi r19, 0x00 ; 0 |
166e: 16 c0 rjmp .+44 ; 0x169c <f_open+0x414> |
clust = /* Get cluster# of the directory */ |
1670: f8 01 movw r30, r16 |
1672: 82 8d ldd r24, Z+26 ; 0x1a |
1674: 93 8d ldd r25, Z+27 ; 0x1b |
#if _FAT32 |
((DWORD)LD_WORD(&dptr[DIR_FstClusHI]) << 16) | |
#endif |
LD_WORD(&dptr[DIR_FstClusLO]); |
dirobj->clust = dirobj->sclust = clust; /* Restart scannig with the new directory */ |
1676: 9c 8b std Y+20, r25 ; 0x14 |
1678: 8b 8b std Y+19, r24 ; 0x13 |
167a: 9e 8b std Y+22, r25 ; 0x16 |
167c: 8d 8b std Y+21, r24 ; 0x15 |
dirobj->sect = clust2sect(clust); |
167e: 0e 94 18 03 call 0x630 ; 0x630 <clust2sect> |
1682: 6f 8b std Y+23, r22 ; 0x17 |
1684: 78 8f std Y+24, r23 ; 0x18 |
1686: 89 8f std Y+25, r24 ; 0x19 |
1688: 9a 8f std Y+26, r25 ; 0x1a |
dirobj->index = 2; |
168a: 82 e0 ldi r24, 0x02 ; 2 |
168c: 90 e0 ldi r25, 0x00 ; 0 |
168e: 98 8b std Y+16, r25 ; 0x10 |
1690: 8f 87 std Y+15, r24 ; 0x0f |
1692: 4b cf rjmp .-362 ; 0x152a <f_open+0x2a2> |
1694: 20 e0 ldi r18, 0x00 ; 0 |
1696: 30 e0 ldi r19, 0x00 ; 0 |
1698: cc 24 eor r12, r12 |
169a: dd 24 eor r13, r13 |
/* Trace the file path */ |
res = trace_path(&dirobj, fn, path, &dir); /* Trace the file path */ |
|
#if !_FS_READONLY |
/* Create or Open a File */ |
if (mode & (FA_CREATE_ALWAYS|FA_OPEN_ALWAYS|FA_CREATE_NEW)) { |
169c: fb 8d ldd r31, Y+27 ; 0x1b |
169e: 4f 2f mov r20, r31 |
16a0: 55 27 eor r21, r21 |
16a2: ca 01 movw r24, r20 |
16a4: 8c 71 andi r24, 0x1C ; 28 |
16a6: 90 70 andi r25, 0x00 ; 0 |
16a8: 89 2b or r24, r25 |
16aa: 09 f4 brne .+2 ; 0x16ae <f_open+0x426> |
16ac: fe c0 rjmp .+508 ; 0x18aa <f_open+0x622> |
CLUST rs; |
DWORD dw; |
if (res != FR_OK) { /* No file, create new */ |
16ae: 21 15 cp r18, r1 |
16b0: 31 05 cpc r19, r1 |
16b2: 09 f4 brne .+2 ; 0x16b6 <f_open+0x42e> |
16b4: 8f c0 rjmp .+286 ; 0x17d4 <f_open+0x54c> |
if (res != FR_NO_FILE) return res; |
16b6: 22 30 cpi r18, 0x02 ; 2 |
16b8: 31 05 cpc r19, r1 |
16ba: 09 f0 breq .+2 ; 0x16be <f_open+0x436> |
16bc: 6f c1 rjmp .+734 ; 0x199c <f_open+0x714> |
) |
{ |
CLUST clust; |
DWORD sector; |
BYTE c, n, *dptr; |
FATFS *fs = FatFs; |
16be: 60 90 0a 01 lds r6, 0x010A |
16c2: 70 90 0b 01 lds r7, 0x010B |
|
|
/* Re-initialize directory object */ |
clust = dirobj->sclust; |
16c6: 0b 89 ldd r16, Y+19 ; 0x13 |
16c8: 1c 89 ldd r17, Y+20 ; 0x14 |
if (clust) { /* Dyanmic directory table */ |
16ca: 01 15 cp r16, r1 |
16cc: 11 05 cpc r17, r1 |
16ce: 51 f0 breq .+20 ; 0x16e4 <f_open+0x45c> |
dirobj->clust = clust; |
16d0: 1e 8b std Y+22, r17 ; 0x16 |
16d2: 0d 8b std Y+21, r16 ; 0x15 |
dirobj->sect = clust2sect(clust); |
16d4: c8 01 movw r24, r16 |
16d6: 0e 94 18 03 call 0x630 ; 0x630 <clust2sect> |
16da: 6f 8b std Y+23, r22 ; 0x17 |
16dc: 78 8f std Y+24, r23 ; 0x18 |
16de: 89 8f std Y+25, r24 ; 0x19 |
16e0: 9a 8f std Y+26, r25 ; 0x1a |
16e2: 09 c0 rjmp .+18 ; 0x16f6 <f_open+0x46e> |
} else { /* Static directory table */ |
dirobj->sect = fs->dirbase; |
16e4: f3 01 movw r30, r6 |
16e6: 84 85 ldd r24, Z+12 ; 0x0c |
16e8: 95 85 ldd r25, Z+13 ; 0x0d |
16ea: a6 85 ldd r26, Z+14 ; 0x0e |
16ec: b7 85 ldd r27, Z+15 ; 0x0f |
16ee: 8f 8b std Y+23, r24 ; 0x17 |
16f0: 98 8f std Y+24, r25 ; 0x18 |
16f2: a9 8f std Y+25, r26 ; 0x19 |
16f4: ba 8f std Y+26, r27 ; 0x1a |
} |
dirobj->index = 0; |
16f6: 18 8a std Y+16, r1 ; 0x10 |
16f8: 1f 86 std Y+15, r1 ; 0x0f |
|
do { |
if (!move_window(dirobj->sect)) return FR_RW_ERROR; |
dptr = &fs->win[(dirobj->index & 15) * 32]; /* Pointer to the directory entry */ |
16fa: 20 e2 ldi r18, 0x20 ; 32 |
16fc: e2 2e mov r14, r18 |
16fe: f1 2c mov r15, r1 |
1700: e6 0c add r14, r6 |
1702: f7 1c adc r15, r7 |
c = dptr[DIR_Name]; |
if (c == 0 || c == 0xE5) { /* Found an empty entry! */ |
*dir = dptr; return FR_OK; |
} |
} while (next_dir_entry(dirobj)); /* Next directory pointer */ |
1704: 9d e0 ldi r25, 0x0D ; 13 |
1706: 49 2e mov r4, r25 |
1708: 51 2c mov r5, r1 |
170a: 4c 0e add r4, r28 |
170c: 5d 1e adc r5, r29 |
dirobj->sect = fs->dirbase; |
} |
dirobj->index = 0; |
|
do { |
if (!move_window(dirobj->sect)) return FR_RW_ERROR; |
170e: 6f 89 ldd r22, Y+23 ; 0x17 |
1710: 78 8d ldd r23, Y+24 ; 0x18 |
1712: 89 8d ldd r24, Y+25 ; 0x19 |
1714: 9a 8d ldd r25, Y+26 ; 0x1a |
1716: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
171a: 88 23 and r24, r24 |
171c: 09 f4 brne .+2 ; 0x1720 <f_open+0x498> |
171e: 0a c1 rjmp .+532 ; 0x1934 <f_open+0x6ac> |
dptr = &fs->win[(dirobj->index & 15) * 32]; /* Pointer to the directory entry */ |
1720: 47 01 movw r8, r14 |
1722: cf 84 ldd r12, Y+15 ; 0x0f |
1724: d8 88 ldd r13, Y+16 ; 0x10 |
1726: ff e0 ldi r31, 0x0F ; 15 |
1728: cf 22 and r12, r31 |
172a: dd 24 eor r13, r13 |
172c: 85 e0 ldi r24, 0x05 ; 5 |
172e: cc 0c add r12, r12 |
1730: dd 1c adc r13, r13 |
1732: 8a 95 dec r24 |
1734: e1 f7 brne .-8 ; 0x172e <f_open+0x4a6> |
1736: ce 0c add r12, r14 |
1738: df 1c adc r13, r15 |
c = dptr[DIR_Name]; |
173a: d6 01 movw r26, r12 |
173c: 8c 91 ld r24, X |
if (c == 0 || c == 0xE5) { /* Found an empty entry! */ |
173e: 88 23 and r24, r24 |
1740: 09 f4 brne .+2 ; 0x1744 <f_open+0x4bc> |
1742: 18 c1 rjmp .+560 ; 0x1974 <f_open+0x6ec> |
1744: 85 3e cpi r24, 0xE5 ; 229 |
1746: 09 f4 brne .+2 ; 0x174a <f_open+0x4c2> |
1748: 15 c1 rjmp .+554 ; 0x1974 <f_open+0x6ec> |
*dir = dptr; return FR_OK; |
} |
} while (next_dir_entry(dirobj)); /* Next directory pointer */ |
174a: c2 01 movw r24, r4 |
174c: 0e 94 cb 04 call 0x996 ; 0x996 <next_dir_entry> |
1750: 88 23 and r24, r24 |
1752: e9 f6 brne .-70 ; 0x170e <f_open+0x486> |
/* Reached to end of the directory table */ |
|
/* Abort when static table or could not stretch dynamic table */ |
if (!clust || !(clust = create_chain(dirobj->clust))) return FR_DENIED; |
1754: 01 2b or r16, r17 |
1756: 09 f4 brne .+2 ; 0x175a <f_open+0x4d2> |
1758: ea c0 rjmp .+468 ; 0x192e <f_open+0x6a6> |
175a: 8d 89 ldd r24, Y+21 ; 0x15 |
175c: 9e 89 ldd r25, Y+22 ; 0x16 |
175e: 0e 94 25 05 call 0xa4a ; 0xa4a <create_chain> |
1762: 8c 01 movw r16, r24 |
1764: 00 97 sbiw r24, 0x00 ; 0 |
1766: 09 f4 brne .+2 ; 0x176a <f_open+0x4e2> |
1768: e2 c0 rjmp .+452 ; 0x192e <f_open+0x6a6> |
if (clust == 1 || !move_window(0)) return FR_RW_ERROR; |
176a: 01 97 sbiw r24, 0x01 ; 1 |
176c: 09 f4 brne .+2 ; 0x1770 <f_open+0x4e8> |
176e: e2 c0 rjmp .+452 ; 0x1934 <f_open+0x6ac> |
1770: 60 e0 ldi r22, 0x00 ; 0 |
1772: 70 e0 ldi r23, 0x00 ; 0 |
1774: 80 e0 ldi r24, 0x00 ; 0 |
1776: 90 e0 ldi r25, 0x00 ; 0 |
1778: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
177c: 88 23 and r24, r24 |
177e: 09 f4 brne .+2 ; 0x1782 <f_open+0x4fa> |
1780: d9 c0 rjmp .+434 ; 0x1934 <f_open+0x6ac> |
|
fs->winsect = sector = clust2sect(clust); /* Cleanup the expanded table */ |
1782: c8 01 movw r24, r16 |
1784: 0e 94 18 03 call 0x630 ; 0x630 <clust2sect> |
1788: 6b 01 movw r12, r22 |
178a: 7c 01 movw r14, r24 |
178c: f3 01 movw r30, r6 |
178e: 64 83 std Z+4, r22 ; 0x04 |
1790: 75 83 std Z+5, r23 ; 0x05 |
1792: 86 83 std Z+6, r24 ; 0x06 |
1794: 97 83 std Z+7, r25 ; 0x07 |
memset(fs->win, 0, 512); |
1796: 80 e0 ldi r24, 0x00 ; 0 |
1798: 92 e0 ldi r25, 0x02 ; 2 |
179a: d4 01 movw r26, r8 |
179c: 1d 92 st X+, r1 |
179e: 01 97 sbiw r24, 0x01 ; 1 |
17a0: e9 f7 brne .-6 ; 0x179c <f_open+0x514> |
for (n = fs->sects_clust; n; n--) { |
17a2: 15 8d ldd r17, Z+29 ; 0x1d |
17a4: 10 c0 rjmp .+32 ; 0x17c6 <f_open+0x53e> |
if (disk_write(0, fs->win, sector, 1) != RES_OK) |
17a6: 01 e0 ldi r16, 0x01 ; 1 |
17a8: a7 01 movw r20, r14 |
17aa: 96 01 movw r18, r12 |
17ac: b4 01 movw r22, r8 |
17ae: 80 e0 ldi r24, 0x00 ; 0 |
17b0: 0e 94 d3 0e call 0x1da6 ; 0x1da6 <disk_write> |
17b4: 89 2b or r24, r25 |
17b6: 09 f0 breq .+2 ; 0x17ba <f_open+0x532> |
17b8: bd c0 rjmp .+378 ; 0x1934 <f_open+0x6ac> |
return FR_RW_ERROR; |
sector++; |
17ba: 08 94 sec |
17bc: c1 1c adc r12, r1 |
17be: d1 1c adc r13, r1 |
17c0: e1 1c adc r14, r1 |
17c2: f1 1c adc r15, r1 |
if (!clust || !(clust = create_chain(dirobj->clust))) return FR_DENIED; |
if (clust == 1 || !move_window(0)) return FR_RW_ERROR; |
|
fs->winsect = sector = clust2sect(clust); /* Cleanup the expanded table */ |
memset(fs->win, 0, 512); |
for (n = fs->sects_clust; n; n--) { |
17c4: 11 50 subi r17, 0x01 ; 1 |
17c6: 11 23 and r17, r17 |
17c8: 71 f7 brne .-36 ; 0x17a6 <f_open+0x51e> |
if (disk_write(0, fs->win, sector, 1) != RES_OK) |
return FR_RW_ERROR; |
sector++; |
} |
fs->winflag = 1; |
17ca: 81 e0 ldi r24, 0x01 ; 1 |
17cc: f3 01 movw r30, r6 |
17ce: 87 8f std Z+31, r24 ; 0x1f |
17d0: 64 01 movw r12, r8 |
17d2: d0 c0 rjmp .+416 ; 0x1974 <f_open+0x6ec> |
memset(dir, 0, 32); /* Initialize the new entry */ |
memcpy(&dir[DIR_Name], fn, 8+3); |
dir[DIR_NTres] = fn[11]; |
mode |= FA_CREATE_ALWAYS; |
} else { /* Any object is already existing */ |
if (mode & FA_CREATE_NEW) /* Cannot create new */ |
17d4: 42 ff sbrs r20, 2 |
17d6: 03 c0 rjmp .+6 ; 0x17de <f_open+0x556> |
17d8: 27 e0 ldi r18, 0x07 ; 7 |
17da: 30 e0 ldi r19, 0x00 ; 0 |
17dc: df c0 rjmp .+446 ; 0x199c <f_open+0x714> |
return FR_EXIST; |
if (dir == NULL || (dir[DIR_Attr] & (AM_RDO|AM_DIR))) /* Cannot overwrite (R/O or DIR) */ |
17de: c1 14 cp r12, r1 |
17e0: d1 04 cpc r13, r1 |
17e2: 09 f4 brne .+2 ; 0x17e6 <f_open+0x55e> |
17e4: a4 c0 rjmp .+328 ; 0x192e <f_open+0x6a6> |
17e6: f6 01 movw r30, r12 |
17e8: 83 85 ldd r24, Z+11 ; 0x0b |
17ea: 81 71 andi r24, 0x11 ; 17 |
17ec: 09 f0 breq .+2 ; 0x17f0 <f_open+0x568> |
17ee: 9f c0 rjmp .+318 ; 0x192e <f_open+0x6a6> |
return FR_DENIED; |
if (mode & FA_CREATE_ALWAYS) { /* Resize it to zero */ |
17f0: 43 ff sbrs r20, 3 |
17f2: 46 c0 rjmp .+140 ; 0x1880 <f_open+0x5f8> |
#if _FAT32 |
rs = ((DWORD)LD_WORD(&dir[DIR_FstClusHI]) << 16) | LD_WORD(&dir[DIR_FstClusLO]); |
ST_WORD(&dir[DIR_FstClusHI], 0); |
#else |
rs = LD_WORD(&dir[DIR_FstClusLO]); |
17f4: 82 8c ldd r8, Z+26 ; 0x1a |
17f6: 93 8c ldd r9, Z+27 ; 0x1b |
#endif |
ST_WORD(&dir[DIR_FstClusLO], 0); /* cluster = 0 */ |
17f8: 13 8e std Z+27, r1 ; 0x1b |
17fa: 12 8e std Z+26, r1 ; 0x1a |
ST_DWORD(&dir[DIR_FileSize], 0); /* size = 0 */ |
17fc: 14 8e std Z+28, r1 ; 0x1c |
17fe: 15 8e std Z+29, r1 ; 0x1d |
1800: 16 8e std Z+30, r1 ; 0x1e |
1802: 17 8e std Z+31, r1 ; 0x1f |
fs->winflag = 1; |
1804: 81 e0 ldi r24, 0x01 ; 1 |
1806: f5 01 movw r30, r10 |
1808: 87 8f std Z+31, r24 ; 0x1f |
dw = fs->winsect; /* Remove the cluster chain */ |
180a: 24 80 ldd r2, Z+4 ; 0x04 |
180c: 35 80 ldd r3, Z+5 ; 0x05 |
180e: 46 80 ldd r4, Z+6 ; 0x06 |
1810: 57 80 ldd r5, Z+7 ; 0x07 |
BOOL remove_chain ( /* TRUE: successful, FALSE: failed */ |
CLUST clust /* Cluster# to remove chain from */ |
) |
{ |
CLUST nxt; |
FATFS *fs = FatFs; |
1812: e0 90 0a 01 lds r14, 0x010A |
1816: f0 90 0b 01 lds r15, 0x010B |
181a: 84 01 movw r16, r8 |
181c: 1b c0 rjmp .+54 ; 0x1854 <f_open+0x5cc> |
|
|
while (clust >= 2 && clust < fs->max_clust) { |
nxt = get_cluster(clust); |
181e: c8 01 movw r24, r16 |
1820: 0e 94 4f 04 call 0x89e ; 0x89e <get_cluster> |
1824: 3c 01 movw r6, r24 |
if (nxt == 1) return FALSE; |
1826: 01 97 sbiw r24, 0x01 ; 1 |
1828: 09 f4 brne .+2 ; 0x182c <f_open+0x5a4> |
182a: 84 c0 rjmp .+264 ; 0x1934 <f_open+0x6ac> |
if (!put_cluster(clust, 0)) return FALSE; |
182c: 60 e0 ldi r22, 0x00 ; 0 |
182e: 70 e0 ldi r23, 0x00 ; 0 |
1830: c8 01 movw r24, r16 |
1832: 0e 94 c1 03 call 0x782 ; 0x782 <put_cluster> |
1836: 88 23 and r24, r24 |
1838: 09 f4 brne .+2 ; 0x183c <f_open+0x5b4> |
183a: 7c c0 rjmp .+248 ; 0x1934 <f_open+0x6ac> |
if (fs->free_clust != (CLUST)0xFFFFFFFF) { |
183c: f7 01 movw r30, r14 |
183e: 82 8d ldd r24, Z+26 ; 0x1a |
1840: 93 8d ldd r25, Z+27 ; 0x1b |
1842: ff ef ldi r31, 0xFF ; 255 |
1844: 8f 3f cpi r24, 0xFF ; 255 |
1846: 9f 07 cpc r25, r31 |
1848: 21 f0 breq .+8 ; 0x1852 <f_open+0x5ca> |
fs->free_clust++; |
184a: 01 96 adiw r24, 0x01 ; 1 |
184c: f7 01 movw r30, r14 |
184e: 93 8f std Z+27, r25 ; 0x1b |
1850: 82 8f std Z+26, r24 ; 0x1a |
1852: 83 01 movw r16, r6 |
{ |
CLUST nxt; |
FATFS *fs = FatFs; |
|
|
while (clust >= 2 && clust < fs->max_clust) { |
1854: 02 30 cpi r16, 0x02 ; 2 |
1856: 11 05 cpc r17, r1 |
1858: 30 f0 brcs .+12 ; 0x1866 <f_open+0x5de> |
185a: f7 01 movw r30, r14 |
185c: 86 89 ldd r24, Z+22 ; 0x16 |
185e: 97 89 ldd r25, Z+23 ; 0x17 |
1860: 08 17 cp r16, r24 |
1862: 19 07 cpc r17, r25 |
1864: e0 f2 brcs .-72 ; 0x181e <f_open+0x596> |
#endif |
ST_WORD(&dir[DIR_FstClusLO], 0); /* cluster = 0 */ |
ST_DWORD(&dir[DIR_FileSize], 0); /* size = 0 */ |
fs->winflag = 1; |
dw = fs->winsect; /* Remove the cluster chain */ |
if (!remove_chain(rs) || !move_window(dw)) |
1866: c2 01 movw r24, r4 |
1868: b1 01 movw r22, r2 |
186a: 0e 94 55 03 call 0x6aa ; 0x6aa <move_window> |
186e: 88 23 and r24, r24 |
1870: 09 f4 brne .+2 ; 0x1874 <f_open+0x5ec> |
1872: 60 c0 rjmp .+192 ; 0x1934 <f_open+0x6ac> |
return FR_RW_ERROR; |
fs->last_clust = rs - 1; /* Reuse the cluster hole */ |
1874: 08 94 sec |
1876: 81 08 sbc r8, r1 |
1878: 91 08 sbc r9, r1 |
187a: f5 01 movw r30, r10 |
187c: 91 8e std Z+25, r9 ; 0x19 |
187e: 80 8e std Z+24, r8 ; 0x18 |
} |
} |
if (mode & FA_CREATE_ALWAYS) { |
1880: fb 8d ldd r31, Y+27 ; 0x1b |
1882: f3 ff sbrs r31, 3 |
1884: 23 c0 rjmp .+70 ; 0x18cc <f_open+0x644> |
dir[DIR_Attr] = AM_ARC; /* New attribute */ |
1886: 80 e2 ldi r24, 0x20 ; 32 |
1888: f6 01 movw r30, r12 |
188a: 83 87 std Z+11, r24 ; 0x0b |
dw = get_fattime(); |
188c: 0e 94 bb 00 call 0x176 ; 0x176 <get_fattime> |
ST_DWORD(&dir[DIR_WrtTime], dw); /* Updated time */ |
1890: f6 01 movw r30, r12 |
1892: 66 8b std Z+22, r22 ; 0x16 |
1894: 77 8b std Z+23, r23 ; 0x17 |
1896: 80 8f std Z+24, r24 ; 0x18 |
1898: 91 8f std Z+25, r25 ; 0x19 |
ST_DWORD(&dir[DIR_CrtTime], dw); /* Created time */ |
189a: 66 87 std Z+14, r22 ; 0x0e |
189c: 77 87 std Z+15, r23 ; 0x0f |
189e: 80 8b std Z+16, r24 ; 0x10 |
18a0: 91 8b std Z+17, r25 ; 0x11 |
fs->winflag = 1; |
18a2: 81 e0 ldi r24, 0x01 ; 1 |
18a4: f5 01 movw r30, r10 |
18a6: 87 8f std Z+31, r24 ; 0x1f |
18a8: 11 c0 rjmp .+34 ; 0x18cc <f_open+0x644> |
} |
} |
/* Open a File */ |
else { |
#endif /* !_FS_READONLY */ |
if (res != FR_OK) return res; /* Trace failed */ |
18aa: 21 15 cp r18, r1 |
18ac: 31 05 cpc r19, r1 |
18ae: 09 f0 breq .+2 ; 0x18b2 <f_open+0x62a> |
18b0: 75 c0 rjmp .+234 ; 0x199c <f_open+0x714> |
if (dir == NULL || (dir[DIR_Attr] & AM_DIR)) /* It is a directory */ |
18b2: c1 14 cp r12, r1 |
18b4: d1 04 cpc r13, r1 |
18b6: 09 f4 brne .+2 ; 0x18ba <f_open+0x632> |
18b8: 40 c0 rjmp .+128 ; 0x193a <f_open+0x6b2> |
18ba: f6 01 movw r30, r12 |
18bc: 83 85 ldd r24, Z+11 ; 0x0b |
18be: 99 27 eor r25, r25 |
18c0: 84 fd sbrc r24, 4 |
18c2: 3b c0 rjmp .+118 ; 0x193a <f_open+0x6b2> |
return FR_NO_FILE; |
#if !_FS_READONLY |
if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */ |
18c4: 41 ff sbrs r20, 1 |
18c6: 02 c0 rjmp .+4 ; 0x18cc <f_open+0x644> |
18c8: 80 fd sbrc r24, 0 |
18ca: 31 c0 rjmp .+98 ; 0x192e <f_open+0x6a6> |
return FR_DENIED; |
} |
|
fp->dir_sect = fs->winsect; /* Pointer to the directory entry */ |
18cc: f5 01 movw r30, r10 |
18ce: 84 81 ldd r24, Z+4 ; 0x04 |
18d0: 95 81 ldd r25, Z+5 ; 0x05 |
18d2: a6 81 ldd r26, Z+6 ; 0x06 |
18d4: b7 81 ldd r27, Z+7 ; 0x07 |
18d6: ec 8d ldd r30, Y+28 ; 0x1c |
18d8: fd 8d ldd r31, Y+29 ; 0x1d |
18da: 86 8b std Z+22, r24 ; 0x16 |
18dc: 97 8b std Z+23, r25 ; 0x17 |
18de: a0 8f std Z+24, r26 ; 0x18 |
18e0: b1 8f std Z+25, r27 ; 0x19 |
fp->dir_ptr = dir; |
18e2: d3 8e std Z+27, r13 ; 0x1b |
18e4: c2 8e std Z+26, r12 ; 0x1a |
#endif |
fp->flag = mode; /* File access mode */ |
18e6: 2b 8d ldd r18, Y+27 ; 0x1b |
18e8: 22 83 std Z+2, r18 ; 0x02 |
fp->org_clust = /* File start cluster */ |
18ea: f6 01 movw r30, r12 |
18ec: 82 8d ldd r24, Z+26 ; 0x1a |
18ee: 93 8d ldd r25, Z+27 ; 0x1b |
18f0: ec 8d ldd r30, Y+28 ; 0x1c |
18f2: fd 8d ldd r31, Y+29 ; 0x1d |
18f4: 97 87 std Z+15, r25 ; 0x0f |
18f6: 86 87 std Z+14, r24 ; 0x0e |
#if _FAT32 |
((DWORD)LD_WORD(&dir[DIR_FstClusHI]) << 16) | |
#endif |
LD_WORD(&dir[DIR_FstClusLO]); |
fp->fsize = LD_DWORD(&dir[DIR_FileSize]); /* File size */ |
18f8: f6 01 movw r30, r12 |
18fa: 84 8d ldd r24, Z+28 ; 0x1c |
18fc: 95 8d ldd r25, Z+29 ; 0x1d |
18fe: a6 8d ldd r26, Z+30 ; 0x1e |
1900: b7 8d ldd r27, Z+31 ; 0x1f |
1902: ec 8d ldd r30, Y+28 ; 0x1c |
1904: fd 8d ldd r31, Y+29 ; 0x1d |
1906: 82 87 std Z+10, r24 ; 0x0a |
1908: 93 87 std Z+11, r25 ; 0x0b |
190a: a4 87 std Z+12, r26 ; 0x0c |
190c: b5 87 std Z+13, r27 ; 0x0d |
fp->fptr = 0; /* File ptr */ |
190e: 16 82 std Z+6, r1 ; 0x06 |
1910: 17 82 std Z+7, r1 ; 0x07 |
1912: 10 86 std Z+8, r1 ; 0x08 |
1914: 11 86 std Z+9, r1 ; 0x09 |
fp->sect_clust = 1; /* Sector counter */ |
1916: 81 e0 ldi r24, 0x01 ; 1 |
1918: 83 83 std Z+3, r24 ; 0x03 |
fp->fs = fs; fp->id = fs->id; /* Owner file system object of the file */ |
191a: b5 82 std Z+5, r11 ; 0x05 |
191c: a4 82 std Z+4, r10 ; 0x04 |
191e: d5 01 movw r26, r10 |
1920: 8d 91 ld r24, X+ |
1922: 9c 91 ld r25, X |
1924: 91 83 std Z+1, r25 ; 0x01 |
1926: 80 83 st Z, r24 |
1928: 20 e0 ldi r18, 0x00 ; 0 |
192a: 30 e0 ldi r19, 0x00 ; 0 |
192c: 37 c0 rjmp .+110 ; 0x199c <f_open+0x714> |
|
return FR_OK; |
192e: 26 e0 ldi r18, 0x06 ; 6 |
1930: 30 e0 ldi r19, 0x00 ; 0 |
1932: 34 c0 rjmp .+104 ; 0x199c <f_open+0x714> |
1934: 28 e0 ldi r18, 0x08 ; 8 |
1936: 30 e0 ldi r19, 0x00 ; 0 |
1938: 31 c0 rjmp .+98 ; 0x199c <f_open+0x714> |
193a: 22 e0 ldi r18, 0x02 ; 2 |
193c: 30 e0 ldi r19, 0x00 ; 0 |
193e: 2e c0 rjmp .+92 ; 0x199c <f_open+0x714> |
) |
{ |
CLUST clust; |
char ds; |
BYTE *dptr = NULL; |
FATFS *fs = FatFs; |
1940: e0 91 0a 01 lds r30, 0x010A |
1944: f0 91 0b 01 lds r31, 0x010B |
|
/* Initialize directory object */ |
clust = fs->dirbase; |
1948: 84 85 ldd r24, Z+12 ; 0x0c |
194a: 95 85 ldd r25, Z+13 ; 0x0d |
dirobj->clust = dirobj->sclust = clust; |
dirobj->sect = clust2sect(clust); |
} else |
#endif |
{ |
dirobj->clust = dirobj->sclust = 0; |
194c: 1c 8a std Y+20, r1 ; 0x14 |
194e: 1b 8a std Y+19, r1 ; 0x13 |
1950: 1e 8a std Y+22, r1 ; 0x16 |
1952: 1d 8a std Y+21, r1 ; 0x15 |
dirobj->sect = clust; |
1954: aa 27 eor r26, r26 |
1956: bb 27 eor r27, r27 |
1958: 8f 8b std Y+23, r24 ; 0x17 |
195a: 98 8f std Y+24, r25 ; 0x18 |
195c: a9 8f std Y+25, r26 ; 0x19 |
195e: ba 8f std Y+26, r27 ; 0x1a |
} |
dirobj->index = 0; |
1960: 18 8a std Y+16, r1 ; 0x10 |
1962: 1f 86 std Y+15, r1 ; 0x0f |
dirobj->fs = fs; |
1964: fa 8b std Y+18, r31 ; 0x12 |
1966: e9 8b std Y+17, r30 ; 0x11 |
|
if (*path == '\0') { /* Null path means the root directory */ |
1968: d6 01 movw r26, r12 |
196a: 8c 91 ld r24, X |
196c: 88 23 and r24, r24 |
196e: 09 f4 brne .+2 ; 0x1972 <f_open+0x6ea> |
1970: 91 ce rjmp .-734 ; 0x1694 <f_open+0x40c> |
1972: cc cd rjmp .-1128 ; 0x150c <f_open+0x284> |
DWORD dw; |
if (res != FR_OK) { /* No file, create new */ |
if (res != FR_NO_FILE) return res; |
res = reserve_direntry(&dirobj, &dir); |
if (res != FR_OK) return res; |
memset(dir, 0, 32); /* Initialize the new entry */ |
1974: 80 e2 ldi r24, 0x20 ; 32 |
1976: f6 01 movw r30, r12 |
1978: 11 92 st Z+, r1 |
197a: 8a 95 dec r24 |
197c: e9 f7 brne .-6 ; 0x1978 <f_open+0x6f0> |
memcpy(&dir[DIR_Name], fn, 8+3); |
197e: f6 01 movw r30, r12 |
1980: de 01 movw r26, r28 |
1982: 11 96 adiw r26, 0x01 ; 1 |
1984: 8b e0 ldi r24, 0x0B ; 11 |
1986: 0d 90 ld r0, X+ |
1988: 01 92 st Z+, r0 |
198a: 81 50 subi r24, 0x01 ; 1 |
198c: e1 f7 brne .-8 ; 0x1986 <f_open+0x6fe> |
dir[DIR_NTres] = fn[11]; |
198e: 8c 85 ldd r24, Y+12 ; 0x0c |
1990: f6 01 movw r30, r12 |
1992: 84 87 std Z+12, r24 ; 0x0c |
mode |= FA_CREATE_ALWAYS; |
1994: fb 8d ldd r31, Y+27 ; 0x1b |
1996: f8 60 ori r31, 0x08 ; 8 |
1998: fb 8f std Y+27, r31 ; 0x1b |
199a: 72 cf rjmp .-284 ; 0x1880 <f_open+0x5f8> |
fp->fptr = 0; /* File ptr */ |
fp->sect_clust = 1; /* Sector counter */ |
fp->fs = fs; fp->id = fs->id; /* Owner file system object of the file */ |
|
return FR_OK; |
} |
199c: c9 01 movw r24, r18 |
199e: e2 e1 ldi r30, 0x12 ; 18 |
19a0: 6d 96 adiw r28, 0x1d ; 29 |
19a2: 0c 94 46 11 jmp 0x228c ; 0x228c <__epilogue_restores__> |
|
000019a6 <wait_ready>: |
/* Wait for card ready */ |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE wait_ready (void) |
{ |
19a6: 82 e3 ldi r24, 0x32 ; 50 |
19a8: 80 93 10 01 sts 0x0110, r24 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
19ac: 8f ef ldi r24, 0xFF ; 255 |
19ae: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
19b0: 0d b4 in r0, 0x2d ; 45 |
19b2: 07 fe sbrs r0, 7 |
19b4: fd cf rjmp .-6 ; 0x19b0 <wait_ready+0xa> |
return SPDR; |
19b6: 8e b5 in r24, 0x2e ; 46 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
19b8: 8f ef ldi r24, 0xFF ; 255 |
19ba: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
19bc: 0d b4 in r0, 0x2d ; 45 |
19be: 07 fe sbrs r0, 7 |
19c0: fd cf rjmp .-6 ; 0x19bc <wait_ready+0x16> |
return SPDR; |
19c2: 8e b5 in r24, 0x2e ; 46 |
19c4: 28 2f mov r18, r24 |
19c6: 33 27 eor r19, r19 |
|
Timer2 = 50; /* Wait for ready in timeout of 500ms */ |
rcvr_spi(); |
do |
res = rcvr_spi(); |
while ((res != 0xFF) && Timer2); |
19c8: 8f 3f cpi r24, 0xFF ; 255 |
19ca: 21 f0 breq .+8 ; 0x19d4 <wait_ready+0x2e> |
19cc: 80 91 10 01 lds r24, 0x0110 |
19d0: 88 23 and r24, r24 |
19d2: 91 f7 brne .-28 ; 0x19b8 <wait_ready+0x12> |
|
return res; |
} |
19d4: c9 01 movw r24, r18 |
19d6: 08 95 ret |
|
000019d8 <rcvr_datablock>: |
static |
BOOL rcvr_datablock ( |
BYTE *buff, /* Data buffer to store received data */ |
UINT btr /* Byte count (must be even number) */ |
) |
{ |
19d8: fc 01 movw r30, r24 |
BYTE token; |
|
|
Timer1 = 10; |
19da: 8a e0 ldi r24, 0x0A ; 10 |
19dc: 80 93 0f 01 sts 0x010F, r24 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
19e0: 8f ef ldi r24, 0xFF ; 255 |
19e2: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
19e4: 0d b4 in r0, 0x2d ; 45 |
19e6: 07 fe sbrs r0, 7 |
19e8: fd cf rjmp .-6 ; 0x19e4 <rcvr_datablock+0xc> |
return SPDR; |
19ea: 8e b5 in r24, 0x2e ; 46 |
|
|
Timer1 = 10; |
do { /* Wait for data packet in timeout of 100ms */ |
token = rcvr_spi(); |
} while ((token == 0xFF) && Timer1); |
19ec: 8f 3f cpi r24, 0xFF ; 255 |
19ee: 29 f4 brne .+10 ; 0x19fa <rcvr_datablock+0x22> |
19f0: 80 91 0f 01 lds r24, 0x010F |
19f4: 88 23 and r24, r24 |
19f6: 29 f1 breq .+74 ; 0x1a42 <rcvr_datablock+0x6a> |
19f8: f3 cf rjmp .-26 ; 0x19e0 <rcvr_datablock+0x8> |
if(token != 0xFE) return FALSE; /* If not valid data token, retutn with error */ |
19fa: 8e 3f cpi r24, 0xFE ; 254 |
19fc: 11 f5 brne .+68 ; 0x1a42 <rcvr_datablock+0x6a> |
|
do { /* Receive the data block into buffer */ |
rcvr_spi_m(buff++); |
19fe: 8f ef ldi r24, 0xFF ; 255 |
1a00: 8e bd out 0x2e, r24 ; 46 |
1a02: 0d b4 in r0, 0x2d ; 45 |
1a04: 07 fe sbrs r0, 7 |
1a06: fd cf rjmp .-6 ; 0x1a02 <rcvr_datablock+0x2a> |
1a08: 8e b5 in r24, 0x2e ; 46 |
1a0a: 80 83 st Z, r24 |
rcvr_spi_m(buff++); |
1a0c: 8f ef ldi r24, 0xFF ; 255 |
1a0e: 8e bd out 0x2e, r24 ; 46 |
1a10: 0d b4 in r0, 0x2d ; 45 |
1a12: 07 fe sbrs r0, 7 |
1a14: fd cf rjmp .-6 ; 0x1a10 <rcvr_datablock+0x38> |
1a16: 8e b5 in r24, 0x2e ; 46 |
1a18: 81 83 std Z+1, r24 ; 0x01 |
} while (btr -= 2); |
1a1a: 62 50 subi r22, 0x02 ; 2 |
1a1c: 70 40 sbci r23, 0x00 ; 0 |
1a1e: 11 f0 breq .+4 ; 0x1a24 <rcvr_datablock+0x4c> |
1a20: 32 96 adiw r30, 0x02 ; 2 |
1a22: ed cf rjmp .-38 ; 0x19fe <rcvr_datablock+0x26> |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
1a24: 8f ef ldi r24, 0xFF ; 255 |
1a26: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
1a28: 0d b4 in r0, 0x2d ; 45 |
1a2a: 07 fe sbrs r0, 7 |
1a2c: fd cf rjmp .-6 ; 0x1a28 <rcvr_datablock+0x50> |
return SPDR; |
1a2e: 8e b5 in r24, 0x2e ; 46 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
1a30: 8f ef ldi r24, 0xFF ; 255 |
1a32: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
1a34: 0d b4 in r0, 0x2d ; 45 |
1a36: 07 fe sbrs r0, 7 |
1a38: fd cf rjmp .-6 ; 0x1a34 <rcvr_datablock+0x5c> |
return SPDR; |
1a3a: 8e b5 in r24, 0x2e ; 46 |
1a3c: 81 e0 ldi r24, 0x01 ; 1 |
1a3e: 90 e0 ldi r25, 0x00 ; 0 |
1a40: 08 95 ret |
rcvr_spi_m(buff++); |
} while (btr -= 2); |
rcvr_spi(); /* Discard CRC */ |
rcvr_spi(); |
|
return TRUE; /* Return with success */ |
1a42: 80 e0 ldi r24, 0x00 ; 0 |
1a44: 90 e0 ldi r25, 0x00 ; 0 |
} |
1a46: 08 95 ret |
|
00001a48 <xmit_datablock>: |
static |
BOOL xmit_datablock ( |
const BYTE *buff, /* 512 byte data block to be transmitted */ |
BYTE token /* Data/Stop token */ |
) |
{ |
1a48: 1f 93 push r17 |
1a4a: cf 93 push r28 |
1a4c: df 93 push r29 |
1a4e: ec 01 movw r28, r24 |
1a50: 16 2f mov r17, r22 |
BYTE resp, wc; |
|
|
if (wait_ready() != 0xFF) return FALSE; |
1a52: 0e 94 d3 0c call 0x19a6 ; 0x19a6 <wait_ready> |
1a56: 8f 3f cpi r24, 0xFF ; 255 |
1a58: 19 f0 breq .+6 ; 0x1a60 <xmit_datablock+0x18> |
1a5a: 80 e0 ldi r24, 0x00 ; 0 |
1a5c: 90 e0 ldi r25, 0x00 ; 0 |
1a5e: 31 c0 rjmp .+98 ; 0x1ac2 <xmit_datablock+0x7a> |
|
xmit_spi(token); /* Xmit data token */ |
1a60: 1e bd out 0x2e, r17 ; 46 |
1a62: 0d b4 in r0, 0x2d ; 45 |
1a64: 07 fe sbrs r0, 7 |
1a66: fd cf rjmp .-6 ; 0x1a62 <xmit_datablock+0x1a> |
if (token != 0xFD) { /* Is data token */ |
1a68: 1d 3f cpi r17, 0xFD ; 253 |
1a6a: 19 f4 brne .+6 ; 0x1a72 <xmit_datablock+0x2a> |
1a6c: 81 e0 ldi r24, 0x01 ; 1 |
1a6e: 90 e0 ldi r25, 0x00 ; 0 |
1a70: 28 c0 rjmp .+80 ; 0x1ac2 <xmit_datablock+0x7a> |
1a72: 90 e0 ldi r25, 0x00 ; 0 |
wc = 0; |
do { /* Xmit the 512 byte data block to MMC */ |
xmit_spi(*buff++); |
1a74: 88 81 ld r24, Y |
1a76: 8e bd out 0x2e, r24 ; 46 |
1a78: 0d b4 in r0, 0x2d ; 45 |
1a7a: 07 fe sbrs r0, 7 |
1a7c: fd cf rjmp .-6 ; 0x1a78 <xmit_datablock+0x30> |
xmit_spi(*buff++); |
1a7e: 89 81 ldd r24, Y+1 ; 0x01 |
1a80: 8e bd out 0x2e, r24 ; 46 |
1a82: 0d b4 in r0, 0x2d ; 45 |
1a84: 07 fe sbrs r0, 7 |
1a86: fd cf rjmp .-6 ; 0x1a82 <xmit_datablock+0x3a> |
} while (--wc); |
1a88: 91 50 subi r25, 0x01 ; 1 |
1a8a: 11 f0 breq .+4 ; 0x1a90 <xmit_datablock+0x48> |
1a8c: 22 96 adiw r28, 0x02 ; 2 |
1a8e: f2 cf rjmp .-28 ; 0x1a74 <xmit_datablock+0x2c> |
xmit_spi(0xFF); /* CRC (Dummy) */ |
1a90: 8f ef ldi r24, 0xFF ; 255 |
1a92: 8e bd out 0x2e, r24 ; 46 |
1a94: 0d b4 in r0, 0x2d ; 45 |
1a96: 07 fe sbrs r0, 7 |
1a98: fd cf rjmp .-6 ; 0x1a94 <xmit_datablock+0x4c> |
xmit_spi(0xFF); |
1a9a: 8f ef ldi r24, 0xFF ; 255 |
1a9c: 8e bd out 0x2e, r24 ; 46 |
1a9e: 0d b4 in r0, 0x2d ; 45 |
1aa0: 07 fe sbrs r0, 7 |
1aa2: fd cf rjmp .-6 ; 0x1a9e <xmit_datablock+0x56> |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
1aa4: 8f ef ldi r24, 0xFF ; 255 |
1aa6: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
1aa8: 0d b4 in r0, 0x2d ; 45 |
1aaa: 07 fe sbrs r0, 7 |
1aac: fd cf rjmp .-6 ; 0x1aa8 <xmit_datablock+0x60> |
return SPDR; |
1aae: 8e b5 in r24, 0x2e ; 46 |
1ab0: 90 e0 ldi r25, 0x00 ; 0 |
1ab2: 8f 71 andi r24, 0x1F ; 31 |
1ab4: 85 30 cpi r24, 0x05 ; 5 |
1ab6: 09 f0 breq .+2 ; 0x1aba <xmit_datablock+0x72> |
1ab8: 91 e0 ldi r25, 0x01 ; 1 |
1aba: 81 e0 ldi r24, 0x01 ; 1 |
1abc: 98 27 eor r25, r24 |
1abe: 89 2f mov r24, r25 |
1ac0: 99 27 eor r25, r25 |
1ac2: df 91 pop r29 |
1ac4: cf 91 pop r28 |
1ac6: 1f 91 pop r17 |
1ac8: 08 95 ret |
|
00001aca <send_cmd>: |
static |
BYTE send_cmd ( |
BYTE cmd, /* Command byte */ |
DWORD arg /* Argument */ |
) |
{ |
1aca: df 92 push r13 |
1acc: ef 92 push r14 |
1ace: ff 92 push r15 |
1ad0: 0f 93 push r16 |
1ad2: 1f 93 push r17 |
1ad4: d8 2e mov r13, r24 |
1ad6: 7a 01 movw r14, r20 |
1ad8: 8b 01 movw r16, r22 |
BYTE n, res; |
|
|
if (wait_ready() != 0xFF) return 0xFF; |
1ada: 0e 94 d3 0c call 0x19a6 ; 0x19a6 <wait_ready> |
1ade: 8f 3f cpi r24, 0xFF ; 255 |
1ae0: 19 f0 breq .+6 ; 0x1ae8 <send_cmd+0x1e> |
1ae2: 2f ef ldi r18, 0xFF ; 255 |
1ae4: 30 e0 ldi r19, 0x00 ; 0 |
1ae6: 44 c0 rjmp .+136 ; 0x1b70 <send_cmd+0xa6> |
|
/* Send command packet */ |
xmit_spi(cmd); /* Command */ |
1ae8: de bc out 0x2e, r13 ; 46 |
1aea: 0d b4 in r0, 0x2d ; 45 |
1aec: 07 fe sbrs r0, 7 |
1aee: fd cf rjmp .-6 ; 0x1aea <send_cmd+0x20> |
xmit_spi((BYTE)(arg >> 24)); /* Argument[31..24] */ |
1af0: 81 2f mov r24, r17 |
1af2: 99 27 eor r25, r25 |
1af4: aa 27 eor r26, r26 |
1af6: bb 27 eor r27, r27 |
1af8: 8e bd out 0x2e, r24 ; 46 |
1afa: 0d b4 in r0, 0x2d ; 45 |
1afc: 07 fe sbrs r0, 7 |
1afe: fd cf rjmp .-6 ; 0x1afa <send_cmd+0x30> |
xmit_spi((BYTE)(arg >> 16)); /* Argument[23..16] */ |
1b00: c8 01 movw r24, r16 |
1b02: aa 27 eor r26, r26 |
1b04: bb 27 eor r27, r27 |
1b06: 8e bd out 0x2e, r24 ; 46 |
1b08: 0d b4 in r0, 0x2d ; 45 |
1b0a: 07 fe sbrs r0, 7 |
1b0c: fd cf rjmp .-6 ; 0x1b08 <send_cmd+0x3e> |
xmit_spi((BYTE)(arg >> 8)); /* Argument[15..8] */ |
1b0e: bb 27 eor r27, r27 |
1b10: a1 2f mov r26, r17 |
1b12: 90 2f mov r25, r16 |
1b14: 8f 2d mov r24, r15 |
1b16: 8e bd out 0x2e, r24 ; 46 |
1b18: 0d b4 in r0, 0x2d ; 45 |
1b1a: 07 fe sbrs r0, 7 |
1b1c: fd cf rjmp .-6 ; 0x1b18 <send_cmd+0x4e> |
xmit_spi((BYTE)arg); /* Argument[7..0] */ |
1b1e: ee bc out 0x2e, r14 ; 46 |
1b20: 0d b4 in r0, 0x2d ; 45 |
1b22: 07 fe sbrs r0, 7 |
1b24: fd cf rjmp .-6 ; 0x1b20 <send_cmd+0x56> |
n = 0; |
if (cmd == CMD0) n = 0x95; /* CRC for CMD0(0) */ |
1b26: 80 e4 ldi r24, 0x40 ; 64 |
1b28: d8 16 cp r13, r24 |
1b2a: 11 f4 brne .+4 ; 0x1b30 <send_cmd+0x66> |
1b2c: 85 e9 ldi r24, 0x95 ; 149 |
1b2e: 06 c0 rjmp .+12 ; 0x1b3c <send_cmd+0x72> |
if (cmd == CMD8) n = 0x87; /* CRC for CMD8(0x1AA) */ |
1b30: 88 e4 ldi r24, 0x48 ; 72 |
1b32: d8 16 cp r13, r24 |
1b34: 11 f4 brne .+4 ; 0x1b3a <send_cmd+0x70> |
1b36: 87 e8 ldi r24, 0x87 ; 135 |
1b38: 01 c0 rjmp .+2 ; 0x1b3c <send_cmd+0x72> |
1b3a: 80 e0 ldi r24, 0x00 ; 0 |
xmit_spi(n); |
1b3c: 8e bd out 0x2e, r24 ; 46 |
1b3e: 0d b4 in r0, 0x2d ; 45 |
1b40: 07 fe sbrs r0, 7 |
1b42: fd cf rjmp .-6 ; 0x1b3e <send_cmd+0x74> |
|
/* Receive command response */ |
if (cmd == CMD12) rcvr_spi(); /* Skip a stuff byte when stop reading */ |
1b44: 8c e4 ldi r24, 0x4C ; 76 |
1b46: d8 16 cp r13, r24 |
1b48: 31 f4 brne .+12 ; 0x1b56 <send_cmd+0x8c> |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
1b4a: 8f ef ldi r24, 0xFF ; 255 |
1b4c: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
1b4e: 0d b4 in r0, 0x2d ; 45 |
1b50: 07 fe sbrs r0, 7 |
1b52: fd cf rjmp .-6 ; 0x1b4e <send_cmd+0x84> |
return SPDR; |
1b54: 8e b5 in r24, 0x2e ; 46 |
1b56: 9a e0 ldi r25, 0x0A ; 10 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
1b58: 8f ef ldi r24, 0xFF ; 255 |
1b5a: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
1b5c: 0d b4 in r0, 0x2d ; 45 |
1b5e: 07 fe sbrs r0, 7 |
1b60: fd cf rjmp .-6 ; 0x1b5c <send_cmd+0x92> |
return SPDR; |
1b62: 8e b5 in r24, 0x2e ; 46 |
1b64: 28 2f mov r18, r24 |
1b66: 33 27 eor r19, r19 |
/* Receive command response */ |
if (cmd == CMD12) rcvr_spi(); /* Skip a stuff byte when stop reading */ |
n = 10; /* Wait for a valid response in timeout of 10 attempts */ |
do |
res = rcvr_spi(); |
while ((res & 0x80) && --n); |
1b68: 87 ff sbrs r24, 7 |
1b6a: 02 c0 rjmp .+4 ; 0x1b70 <send_cmd+0xa6> |
1b6c: 91 50 subi r25, 0x01 ; 1 |
1b6e: a1 f7 brne .-24 ; 0x1b58 <send_cmd+0x8e> |
|
return res; /* Return with the response value */ |
} |
1b70: c9 01 movw r24, r18 |
1b72: 1f 91 pop r17 |
1b74: 0f 91 pop r16 |
1b76: ff 90 pop r15 |
1b78: ef 90 pop r14 |
1b7a: df 90 pop r13 |
1b7c: 08 95 ret |
|
00001b7e <disk_status>: |
/*-----------------------------------------------------------------------*/ |
|
DSTATUS disk_status ( |
BYTE drv /* Physical drive nmuber (0) */ |
) |
{ |
1b7e: 88 23 and r24, r24 |
1b80: 19 f0 breq .+6 ; 0x1b88 <disk_status+0xa> |
if (drv) return STA_NOINIT; /* Supports only single drive */ |
1b82: 81 e0 ldi r24, 0x01 ; 1 |
1b84: 90 e0 ldi r25, 0x00 ; 0 |
1b86: 08 95 ret |
return Stat; |
1b88: 80 91 04 01 lds r24, 0x0104 |
1b8c: 99 27 eor r25, r25 |
} |
1b8e: 08 95 ret |
|
00001b90 <disk_timerproc>: |
/* Device timer interrupt procedure */ |
/* This must be called in period of 10ms */ |
/* (Platform dependent) */ |
|
void disk_timerproc (void) |
{ |
1b90: 80 91 0f 01 lds r24, 0x010F |
static BYTE pv; |
BYTE n, s; |
|
|
n = Timer1; /* 100Hz decrement timer */ |
if (n) Timer1 = --n; |
1b94: 88 23 and r24, r24 |
1b96: 19 f0 breq .+6 ; 0x1b9e <disk_timerproc+0xe> |
1b98: 81 50 subi r24, 0x01 ; 1 |
1b9a: 80 93 0f 01 sts 0x010F, r24 |
n = Timer2; |
1b9e: 80 91 10 01 lds r24, 0x0110 |
if (n) Timer2 = --n; |
1ba2: 88 23 and r24, r24 |
1ba4: 19 f0 breq .+6 ; 0x1bac <disk_timerproc+0x1c> |
1ba6: 81 50 subi r24, 0x01 ; 1 |
1ba8: 80 93 10 01 sts 0x0110, r24 |
|
n = pv; |
1bac: 90 91 0e 01 lds r25, 0x010E |
pv = SOCKPORT & (SOCKINS); /* Sample socket switch */ |
1bb0: 83 b1 in r24, 0x03 ; 3 |
1bb2: 81 70 andi r24, 0x01 ; 1 |
1bb4: 80 93 0e 01 sts 0x010E, r24 |
|
if (n == pv) { /* Have contacts stabled? */ |
1bb8: 98 17 cp r25, r24 |
1bba: 49 f4 brne .+18 ; 0x1bce <disk_timerproc+0x3e> |
s = Stat; |
1bbc: 80 91 04 01 lds r24, 0x0104 |
if (pv & SOCKINS) /* INS = H (Socket empty) */ |
1bc0: 90 ff sbrs r25, 0 |
1bc2: 02 c0 rjmp .+4 ; 0x1bc8 <disk_timerproc+0x38> |
s |= (STA_NODISK | STA_NOINIT); |
1bc4: 83 60 ori r24, 0x03 ; 3 |
1bc6: 01 c0 rjmp .+2 ; 0x1bca <disk_timerproc+0x3a> |
else /* INS = L (Card inserted) */ |
s &= ~STA_NODISK; |
1bc8: 8d 7f andi r24, 0xFD ; 253 |
|
Stat = s; |
1bca: 80 93 04 01 sts 0x0104, r24 |
1bce: 08 95 ret |
|
00001bd0 <disk_ioctl>: |
DRESULT disk_ioctl ( |
BYTE drv, /* Physical drive nmuber (0) */ |
BYTE ctrl, /* Control code */ |
void *buff /* Buffer to send/receive data block */ |
) |
{ |
1bd0: a0 e1 ldi r26, 0x10 ; 16 |
1bd2: b0 e0 ldi r27, 0x00 ; 0 |
1bd4: ee ee ldi r30, 0xEE ; 238 |
1bd6: fd e0 ldi r31, 0x0D ; 13 |
1bd8: 0c 94 38 11 jmp 0x2270 ; 0x2270 <__prologue_saves__+0x1c> |
1bdc: fa 01 movw r30, r20 |
DRESULT res; |
BYTE n, csd[16], *ptr = buff; |
WORD csize; |
|
|
if (drv) return RES_PARERR; |
1bde: 88 23 and r24, r24 |
1be0: 19 f0 breq .+6 ; 0x1be8 <disk_ioctl+0x18> |
1be2: 24 e0 ldi r18, 0x04 ; 4 |
1be4: 30 e0 ldi r19, 0x00 ; 0 |
1be6: da c0 rjmp .+436 ; 0x1d9c <disk_ioctl+0x1cc> |
BYTE ctrl, /* Control code */ |
void *buff /* Buffer to send/receive data block */ |
) |
{ |
DRESULT res; |
BYTE n, csd[16], *ptr = buff; |
1be8: 8a 01 movw r16, r20 |
WORD csize; |
|
|
if (drv) return RES_PARERR; |
|
SELECT(); /* CS = L */ |
1bea: 2a 98 cbi 0x05, 2 ; 5 |
|
res = RES_ERROR; |
switch (ctrl) { |
1bec: 63 30 cpi r22, 0x03 ; 3 |
1bee: 09 f4 brne .+2 ; 0x1bf2 <disk_ioctl+0x22> |
1bf0: 82 c0 rjmp .+260 ; 0x1cf6 <disk_ioctl+0x126> |
1bf2: 64 30 cpi r22, 0x04 ; 4 |
1bf4: 28 f4 brcc .+10 ; 0x1c00 <disk_ioctl+0x30> |
1bf6: 61 30 cpi r22, 0x01 ; 1 |
1bf8: 79 f0 breq .+30 ; 0x1c18 <disk_ioctl+0x48> |
1bfa: 62 30 cpi r22, 0x02 ; 2 |
1bfc: 51 f4 brne .+20 ; 0x1c12 <disk_ioctl+0x42> |
1bfe: 74 c0 rjmp .+232 ; 0x1ce8 <disk_ioctl+0x118> |
1c00: 6b 30 cpi r22, 0x0B ; 11 |
1c02: 09 f4 brne .+2 ; 0x1c06 <disk_ioctl+0x36> |
1c04: 88 c0 rjmp .+272 ; 0x1d16 <disk_ioctl+0x146> |
1c06: 6c 30 cpi r22, 0x0C ; 12 |
1c08: 09 f4 brne .+2 ; 0x1c0c <disk_ioctl+0x3c> |
1c0a: 9f c0 rjmp .+318 ; 0x1d4a <disk_ioctl+0x17a> |
1c0c: 6a 30 cpi r22, 0x0A ; 10 |
1c0e: 09 f4 brne .+2 ; 0x1c12 <disk_ioctl+0x42> |
1c10: 78 c0 rjmp .+240 ; 0x1d02 <disk_ioctl+0x132> |
1c12: 24 e0 ldi r18, 0x04 ; 4 |
1c14: 30 e0 ldi r19, 0x00 ; 0 |
1c16: b8 c0 rjmp .+368 ; 0x1d88 <disk_ioctl+0x1b8> |
case GET_SECTOR_COUNT : /* Get number of sectors on the disk (DWORD) */ |
if ((send_cmd(CMD9, 0) == 0) && rcvr_datablock(csd, 16)) { |
1c18: 40 e0 ldi r20, 0x00 ; 0 |
1c1a: 50 e0 ldi r21, 0x00 ; 0 |
1c1c: 60 e0 ldi r22, 0x00 ; 0 |
1c1e: 70 e0 ldi r23, 0x00 ; 0 |
1c20: 89 e4 ldi r24, 0x49 ; 73 |
1c22: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
1c26: 88 23 and r24, r24 |
1c28: 09 f0 breq .+2 ; 0x1c2c <disk_ioctl+0x5c> |
1c2a: ac c0 rjmp .+344 ; 0x1d84 <disk_ioctl+0x1b4> |
1c2c: 60 e1 ldi r22, 0x10 ; 16 |
1c2e: 70 e0 ldi r23, 0x00 ; 0 |
1c30: ce 01 movw r24, r28 |
1c32: 01 96 adiw r24, 0x01 ; 1 |
1c34: 0e 94 ec 0c call 0x19d8 ; 0x19d8 <rcvr_datablock> |
1c38: 88 23 and r24, r24 |
1c3a: 09 f4 brne .+2 ; 0x1c3e <disk_ioctl+0x6e> |
1c3c: a3 c0 rjmp .+326 ; 0x1d84 <disk_ioctl+0x1b4> |
if ((csd[0] >> 6) == 1) { /* SDC ver 2.00 */ |
1c3e: 89 81 ldd r24, Y+1 ; 0x01 |
1c40: 82 95 swap r24 |
1c42: 86 95 lsr r24 |
1c44: 86 95 lsr r24 |
1c46: 83 70 andi r24, 0x03 ; 3 |
1c48: 7a 85 ldd r23, Y+10 ; 0x0a |
1c4a: 49 85 ldd r20, Y+9 ; 0x09 |
1c4c: 81 30 cpi r24, 0x01 ; 1 |
1c4e: c1 f4 brne .+48 ; 0x1c80 <disk_ioctl+0xb0> |
csize = csd[9] + ((WORD)csd[8] << 8) + 1; |
*(DWORD*)buff = (DWORD)csize << 10; |
1c50: 87 2f mov r24, r23 |
1c52: 99 27 eor r25, r25 |
1c54: 01 96 adiw r24, 0x01 ; 1 |
1c56: 24 2f mov r18, r20 |
1c58: 33 27 eor r19, r19 |
1c5a: 32 2f mov r19, r18 |
1c5c: 22 27 eor r18, r18 |
1c5e: 82 0f add r24, r18 |
1c60: 93 1f adc r25, r19 |
1c62: aa 27 eor r26, r26 |
1c64: bb 27 eor r27, r27 |
1c66: 6a e0 ldi r22, 0x0A ; 10 |
1c68: 88 0f add r24, r24 |
1c6a: 99 1f adc r25, r25 |
1c6c: aa 1f adc r26, r26 |
1c6e: bb 1f adc r27, r27 |
1c70: 6a 95 dec r22 |
1c72: d1 f7 brne .-12 ; 0x1c68 <disk_ioctl+0x98> |
1c74: f8 01 movw r30, r16 |
1c76: 80 83 st Z, r24 |
1c78: 91 83 std Z+1, r25 ; 0x01 |
1c7a: a2 83 std Z+2, r26 ; 0x02 |
1c7c: b3 83 std Z+3, r27 ; 0x03 |
1c7e: 38 c0 rjmp .+112 ; 0x1cf0 <disk_ioctl+0x120> |
} else { /* MMC or SDC ver 1.XX */ |
n = (csd[5] & 15) + ((csd[10] & 128) >> 7) + ((csd[9] & 3) << 1) + 2; |
csize = (csd[8] >> 6) + ((WORD)csd[7] << 2) + ((WORD)(csd[6] & 3) << 10) + 1; |
*(DWORD*)buff = (DWORD)csize << (n - 9); |
1c80: 42 95 swap r20 |
1c82: 46 95 lsr r20 |
1c84: 46 95 lsr r20 |
1c86: 43 70 andi r20, 0x03 ; 3 |
1c88: 28 85 ldd r18, Y+8 ; 0x08 |
1c8a: 33 27 eor r19, r19 |
1c8c: 22 0f add r18, r18 |
1c8e: 33 1f adc r19, r19 |
1c90: 22 0f add r18, r18 |
1c92: 33 1f adc r19, r19 |
1c94: 24 0f add r18, r20 |
1c96: 31 1d adc r19, r1 |
1c98: 2f 5f subi r18, 0xFF ; 255 |
1c9a: 3f 4f sbci r19, 0xFF ; 255 |
1c9c: 8f 81 ldd r24, Y+7 ; 0x07 |
1c9e: 99 27 eor r25, r25 |
1ca0: 83 70 andi r24, 0x03 ; 3 |
1ca2: 90 70 andi r25, 0x00 ; 0 |
1ca4: 98 2f mov r25, r24 |
1ca6: 88 27 eor r24, r24 |
1ca8: 99 0f add r25, r25 |
1caa: 99 0f add r25, r25 |
1cac: 28 0f add r18, r24 |
1cae: 39 1f adc r19, r25 |
1cb0: 44 27 eor r20, r20 |
1cb2: 55 27 eor r21, r21 |
1cb4: 6e 81 ldd r22, Y+6 ; 0x06 |
1cb6: 6f 70 andi r22, 0x0F ; 15 |
1cb8: 6e 5f subi r22, 0xFE ; 254 |
1cba: 73 70 andi r23, 0x03 ; 3 |
1cbc: 77 0f add r23, r23 |
1cbe: 67 0f add r22, r23 |
1cc0: 8b 85 ldd r24, Y+11 ; 0x0b |
1cc2: 88 1f adc r24, r24 |
1cc4: 88 27 eor r24, r24 |
1cc6: 88 1f adc r24, r24 |
1cc8: 86 0f add r24, r22 |
1cca: 99 27 eor r25, r25 |
1ccc: 09 97 sbiw r24, 0x09 ; 9 |
1cce: 04 c0 rjmp .+8 ; 0x1cd8 <disk_ioctl+0x108> |
1cd0: 22 0f add r18, r18 |
1cd2: 33 1f adc r19, r19 |
1cd4: 44 1f adc r20, r20 |
1cd6: 55 1f adc r21, r21 |
1cd8: 8a 95 dec r24 |
1cda: d2 f7 brpl .-12 ; 0x1cd0 <disk_ioctl+0x100> |
1cdc: f8 01 movw r30, r16 |
1cde: 20 83 st Z, r18 |
1ce0: 31 83 std Z+1, r19 ; 0x01 |
1ce2: 42 83 std Z+2, r20 ; 0x02 |
1ce4: 53 83 std Z+3, r21 ; 0x03 |
1ce6: 04 c0 rjmp .+8 ; 0x1cf0 <disk_ioctl+0x120> |
res = RES_OK; |
} |
break; |
|
case GET_SECTOR_SIZE : /* Get sectors on the disk (WORD) */ |
*(WORD*)buff = 512; |
1ce8: 80 e0 ldi r24, 0x00 ; 0 |
1cea: 92 e0 ldi r25, 0x02 ; 2 |
1cec: 91 83 std Z+1, r25 ; 0x01 |
1cee: 80 83 st Z, r24 |
1cf0: 20 e0 ldi r18, 0x00 ; 0 |
1cf2: 30 e0 ldi r19, 0x00 ; 0 |
1cf4: 49 c0 rjmp .+146 ; 0x1d88 <disk_ioctl+0x1b8> |
res = RES_OK; |
break; |
|
case CTRL_SYNC : /* Make sure that data has been written */ |
if (wait_ready() == 0xFF) |
1cf6: 0e 94 d3 0c call 0x19a6 ; 0x19a6 <wait_ready> |
1cfa: 90 e0 ldi r25, 0x00 ; 0 |
1cfc: 8f 3f cpi r24, 0xFF ; 255 |
1cfe: 01 f5 brne .+64 ; 0x1d40 <disk_ioctl+0x170> |
1d00: 1e c0 rjmp .+60 ; 0x1d3e <disk_ioctl+0x16e> |
res = RES_OK; |
break; |
|
case MMC_GET_CSD : /* Receive CSD as a data block (16 bytes) */ |
if (Stat & STA_NOINIT) return RES_NOTRDY; |
1d02: 80 91 04 01 lds r24, 0x0104 |
1d06: 80 fd sbrc r24, 0 |
1d08: 47 c0 rjmp .+142 ; 0x1d98 <disk_ioctl+0x1c8> |
if ((send_cmd(CMD9, 0) == 0) /* READ_CSD */ |
1d0a: 40 e0 ldi r20, 0x00 ; 0 |
1d0c: 50 e0 ldi r21, 0x00 ; 0 |
1d0e: 60 e0 ldi r22, 0x00 ; 0 |
1d10: 70 e0 ldi r23, 0x00 ; 0 |
1d12: 89 e4 ldi r24, 0x49 ; 73 |
1d14: 09 c0 rjmp .+18 ; 0x1d28 <disk_ioctl+0x158> |
&& rcvr_datablock(ptr, 16)) |
res = RES_OK; |
break; |
|
case MMC_GET_CID : /* Receive CID as a data block (16 bytes) */ |
if (Stat & STA_NOINIT) return RES_NOTRDY; |
1d16: 80 91 04 01 lds r24, 0x0104 |
1d1a: 80 fd sbrc r24, 0 |
1d1c: 3d c0 rjmp .+122 ; 0x1d98 <disk_ioctl+0x1c8> |
if ((send_cmd(CMD10, 0) == 0) /* READ_CID */ |
1d1e: 40 e0 ldi r20, 0x00 ; 0 |
1d20: 50 e0 ldi r21, 0x00 ; 0 |
1d22: 60 e0 ldi r22, 0x00 ; 0 |
1d24: 70 e0 ldi r23, 0x00 ; 0 |
1d26: 8a e4 ldi r24, 0x4A ; 74 |
1d28: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
1d2c: 88 23 and r24, r24 |
1d2e: 51 f5 brne .+84 ; 0x1d84 <disk_ioctl+0x1b4> |
1d30: 60 e1 ldi r22, 0x10 ; 16 |
1d32: 70 e0 ldi r23, 0x00 ; 0 |
1d34: c8 01 movw r24, r16 |
1d36: 0e 94 ec 0c call 0x19d8 ; 0x19d8 <rcvr_datablock> |
1d3a: 90 e0 ldi r25, 0x00 ; 0 |
1d3c: 81 11 cpse r24, r1 |
1d3e: 91 e0 ldi r25, 0x01 ; 1 |
1d40: 81 e0 ldi r24, 0x01 ; 1 |
1d42: 98 27 eor r25, r24 |
1d44: 29 2f mov r18, r25 |
1d46: 33 27 eor r19, r19 |
1d48: 1f c0 rjmp .+62 ; 0x1d88 <disk_ioctl+0x1b8> |
&& rcvr_datablock(ptr, 16)) |
res = RES_OK; |
break; |
|
case MMC_GET_OCR : /* Receive OCR as an R3 resp (4 bytes) */ |
if (Stat & STA_NOINIT) return RES_NOTRDY; |
1d4a: 80 91 04 01 lds r24, 0x0104 |
1d4e: 80 fd sbrc r24, 0 |
1d50: 23 c0 rjmp .+70 ; 0x1d98 <disk_ioctl+0x1c8> |
if (send_cmd(CMD58, 0) == 0) { /* READ_OCR */ |
1d52: 40 e0 ldi r20, 0x00 ; 0 |
1d54: 50 e0 ldi r21, 0x00 ; 0 |
1d56: 60 e0 ldi r22, 0x00 ; 0 |
1d58: 70 e0 ldi r23, 0x00 ; 0 |
1d5a: 8a e7 ldi r24, 0x7A ; 122 |
1d5c: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
1d60: 88 23 and r24, r24 |
1d62: 81 f4 brne .+32 ; 0x1d84 <disk_ioctl+0x1b4> |
1d64: 90 e0 ldi r25, 0x00 ; 0 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
1d66: 8f ef ldi r24, 0xFF ; 255 |
1d68: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
1d6a: 0d b4 in r0, 0x2d ; 45 |
1d6c: 07 fe sbrs r0, 7 |
1d6e: fd cf rjmp .-6 ; 0x1d6a <disk_ioctl+0x19a> |
return SPDR; |
1d70: 8e b5 in r24, 0x2e ; 46 |
|
case MMC_GET_OCR : /* Receive OCR as an R3 resp (4 bytes) */ |
if (Stat & STA_NOINIT) return RES_NOTRDY; |
if (send_cmd(CMD58, 0) == 0) { /* READ_OCR */ |
for (n = 0; n < 4; n++) |
*ptr++ = rcvr_spi(); |
1d72: f8 01 movw r30, r16 |
1d74: 80 83 st Z, r24 |
break; |
|
case MMC_GET_OCR : /* Receive OCR as an R3 resp (4 bytes) */ |
if (Stat & STA_NOINIT) return RES_NOTRDY; |
if (send_cmd(CMD58, 0) == 0) { /* READ_OCR */ |
for (n = 0; n < 4; n++) |
1d76: 9f 5f subi r25, 0xFF ; 255 |
1d78: 94 30 cpi r25, 0x04 ; 4 |
1d7a: 09 f4 brne .+2 ; 0x1d7e <disk_ioctl+0x1ae> |
1d7c: b9 cf rjmp .-142 ; 0x1cf0 <disk_ioctl+0x120> |
*ptr++ = rcvr_spi(); |
1d7e: 0f 5f subi r16, 0xFF ; 255 |
1d80: 1f 4f sbci r17, 0xFF ; 255 |
1d82: f1 cf rjmp .-30 ; 0x1d66 <disk_ioctl+0x196> |
1d84: 21 e0 ldi r18, 0x01 ; 1 |
1d86: 30 e0 ldi r19, 0x00 ; 0 |
|
default: |
res = RES_PARERR; |
} |
|
DESELECT(); /* CS = H */ |
1d88: 2a 9a sbi 0x05, 2 ; 5 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
1d8a: 8f ef ldi r24, 0xFF ; 255 |
1d8c: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
1d8e: 0d b4 in r0, 0x2d ; 45 |
1d90: 07 fe sbrs r0, 7 |
1d92: fd cf rjmp .-6 ; 0x1d8e <disk_ioctl+0x1be> |
return SPDR; |
1d94: 8e b5 in r24, 0x2e ; 46 |
1d96: 02 c0 rjmp .+4 ; 0x1d9c <disk_ioctl+0x1cc> |
} |
|
DESELECT(); /* CS = H */ |
rcvr_spi(); /* Idle (Release DO) */ |
|
return res; |
1d98: 23 e0 ldi r18, 0x03 ; 3 |
1d9a: 30 e0 ldi r19, 0x00 ; 0 |
} |
1d9c: c9 01 movw r24, r18 |
1d9e: e4 e0 ldi r30, 0x04 ; 4 |
1da0: 60 96 adiw r28, 0x10 ; 16 |
1da2: 0c 94 54 11 jmp 0x22a8 ; 0x22a8 <__epilogue_restores__+0x1c> |
|
00001da6 <disk_write>: |
BYTE drv, /* Physical drive nmuber (0) */ |
const BYTE *buff, /* Pointer to the data to be written */ |
DWORD sector, /* Start sector number (LBA) */ |
BYTE count /* Sector count (1..255) */ |
) |
{ |
1da6: cf 92 push r12 |
1da8: df 92 push r13 |
1daa: ef 92 push r14 |
1dac: ff 92 push r15 |
1dae: 0f 93 push r16 |
1db0: cf 93 push r28 |
1db2: df 93 push r29 |
1db4: eb 01 movw r28, r22 |
1db6: 69 01 movw r12, r18 |
1db8: 7a 01 movw r14, r20 |
if (drv || !count) return RES_PARERR; |
1dba: 88 23 and r24, r24 |
1dbc: 09 f0 breq .+2 ; 0x1dc0 <disk_write+0x1a> |
1dbe: 67 c0 rjmp .+206 ; 0x1e8e <disk_write+0xe8> |
1dc0: 00 23 and r16, r16 |
1dc2: 09 f4 brne .+2 ; 0x1dc6 <disk_write+0x20> |
1dc4: 64 c0 rjmp .+200 ; 0x1e8e <disk_write+0xe8> |
if (Stat & STA_NOINIT) return RES_NOTRDY; |
1dc6: 80 91 04 01 lds r24, 0x0104 |
1dca: 80 ff sbrs r24, 0 |
1dcc: 03 c0 rjmp .+6 ; 0x1dd4 <disk_write+0x2e> |
1dce: 83 e0 ldi r24, 0x03 ; 3 |
1dd0: 90 e0 ldi r25, 0x00 ; 0 |
1dd2: 5f c0 rjmp .+190 ; 0x1e92 <disk_write+0xec> |
if (Stat & STA_PROTECT) return RES_WRPRT; |
1dd4: 80 91 04 01 lds r24, 0x0104 |
1dd8: 82 ff sbrs r24, 2 |
1dda: 03 c0 rjmp .+6 ; 0x1de2 <disk_write+0x3c> |
1ddc: 82 e0 ldi r24, 0x02 ; 2 |
1dde: 90 e0 ldi r25, 0x00 ; 0 |
1de0: 58 c0 rjmp .+176 ; 0x1e92 <disk_write+0xec> |
|
if (!(CardType & 4)) sector *= 512; /* Convert to byte address if needed */ |
1de2: 80 91 11 01 lds r24, 0x0111 |
1de6: 99 27 eor r25, r25 |
1de8: 82 fd sbrc r24, 2 |
1dea: 07 c0 rjmp .+14 ; 0x1dfa <disk_write+0x54> |
1dec: e9 e0 ldi r30, 0x09 ; 9 |
1dee: cc 0c add r12, r12 |
1df0: dd 1c adc r13, r13 |
1df2: ee 1c adc r14, r14 |
1df4: ff 1c adc r15, r15 |
1df6: ea 95 dec r30 |
1df8: d1 f7 brne .-12 ; 0x1dee <disk_write+0x48> |
|
SELECT(); /* CS = L */ |
1dfa: 2a 98 cbi 0x05, 2 ; 5 |
|
if (count == 1) { /* Single block write */ |
1dfc: 01 30 cpi r16, 0x01 ; 1 |
1dfe: 79 f4 brne .+30 ; 0x1e1e <disk_write+0x78> |
if ((send_cmd(CMD24, sector) == 0) /* WRITE_BLOCK */ |
1e00: b7 01 movw r22, r14 |
1e02: a6 01 movw r20, r12 |
1e04: 88 e5 ldi r24, 0x58 ; 88 |
1e06: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
1e0a: 88 23 and r24, r24 |
1e0c: 91 f5 brne .+100 ; 0x1e72 <disk_write+0xcc> |
1e0e: 6e ef ldi r22, 0xFE ; 254 |
1e10: ce 01 movw r24, r28 |
1e12: 0e 94 24 0d call 0x1a48 ; 0x1a48 <xmit_datablock> |
1e16: 81 11 cpse r24, r1 |
1e18: 81 e0 ldi r24, 0x01 ; 1 |
1e1a: 08 27 eor r16, r24 |
1e1c: 2a c0 rjmp .+84 ; 0x1e72 <disk_write+0xcc> |
&& xmit_datablock(buff, 0xFE)) |
count = 0; |
} |
else { /* Multiple block write */ |
if (CardType & 2) { |
1e1e: 81 ff sbrs r24, 1 |
1e20: 0e c0 rjmp .+28 ; 0x1e3e <disk_write+0x98> |
send_cmd(CMD55, 0); send_cmd(CMD23, count); /* ACMD23 */ |
1e22: 40 e0 ldi r20, 0x00 ; 0 |
1e24: 50 e0 ldi r21, 0x00 ; 0 |
1e26: 60 e0 ldi r22, 0x00 ; 0 |
1e28: 70 e0 ldi r23, 0x00 ; 0 |
1e2a: 87 e7 ldi r24, 0x77 ; 119 |
1e2c: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
1e30: 40 2f mov r20, r16 |
1e32: 55 27 eor r21, r21 |
1e34: 66 27 eor r22, r22 |
1e36: 77 27 eor r23, r23 |
1e38: 87 e5 ldi r24, 0x57 ; 87 |
1e3a: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
} |
if (send_cmd(CMD25, sector) == 0) { /* WRITE_MULTIPLE_BLOCK */ |
1e3e: b7 01 movw r22, r14 |
1e40: a6 01 movw r20, r12 |
1e42: 89 e5 ldi r24, 0x59 ; 89 |
1e44: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
1e48: 88 23 and r24, r24 |
1e4a: 99 f4 brne .+38 ; 0x1e72 <disk_write+0xcc> |
do { |
if (!xmit_datablock(buff, 0xFC)) break; |
1e4c: 6c ef ldi r22, 0xFC ; 252 |
1e4e: ce 01 movw r24, r28 |
1e50: 0e 94 24 0d call 0x1a48 ; 0x1a48 <xmit_datablock> |
1e54: 88 23 and r24, r24 |
1e56: 29 f0 breq .+10 ; 0x1e62 <disk_write+0xbc> |
buff += 512; |
} while (--count); |
1e58: 01 50 subi r16, 0x01 ; 1 |
1e5a: 19 f0 breq .+6 ; 0x1e62 <disk_write+0xbc> |
send_cmd(CMD55, 0); send_cmd(CMD23, count); /* ACMD23 */ |
} |
if (send_cmd(CMD25, sector) == 0) { /* WRITE_MULTIPLE_BLOCK */ |
do { |
if (!xmit_datablock(buff, 0xFC)) break; |
buff += 512; |
1e5c: c0 50 subi r28, 0x00 ; 0 |
1e5e: de 4f sbci r29, 0xFE ; 254 |
1e60: f5 cf rjmp .-22 ; 0x1e4c <disk_write+0xa6> |
} while (--count); |
if (!xmit_datablock(0, 0xFD)) /* STOP_TRAN token */ |
1e62: 6d ef ldi r22, 0xFD ; 253 |
1e64: 80 e0 ldi r24, 0x00 ; 0 |
1e66: 90 e0 ldi r25, 0x00 ; 0 |
1e68: 0e 94 24 0d call 0x1a48 ; 0x1a48 <xmit_datablock> |
1e6c: 88 23 and r24, r24 |
1e6e: 09 f4 brne .+2 ; 0x1e72 <disk_write+0xcc> |
1e70: 01 e0 ldi r16, 0x01 ; 1 |
count = 1; |
} |
} |
|
DESELECT(); /* CS = H */ |
1e72: 2a 9a sbi 0x05, 2 ; 5 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
1e74: 8f ef ldi r24, 0xFF ; 255 |
1e76: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
1e78: 0d b4 in r0, 0x2d ; 45 |
1e7a: 07 fe sbrs r0, 7 |
1e7c: fd cf rjmp .-6 ; 0x1e78 <disk_write+0xd2> |
return SPDR; |
1e7e: 8e b5 in r24, 0x2e ; 46 |
} |
|
DESELECT(); /* CS = H */ |
rcvr_spi(); /* Idle (Release DO) */ |
|
return count ? RES_ERROR : RES_OK; |
1e80: 80 e0 ldi r24, 0x00 ; 0 |
1e82: 90 e0 ldi r25, 0x00 ; 0 |
1e84: 00 23 and r16, r16 |
1e86: 29 f0 breq .+10 ; 0x1e92 <disk_write+0xec> |
1e88: 81 e0 ldi r24, 0x01 ; 1 |
1e8a: 90 e0 ldi r25, 0x00 ; 0 |
1e8c: 02 c0 rjmp .+4 ; 0x1e92 <disk_write+0xec> |
1e8e: 84 e0 ldi r24, 0x04 ; 4 |
1e90: 90 e0 ldi r25, 0x00 ; 0 |
1e92: df 91 pop r29 |
1e94: cf 91 pop r28 |
1e96: 0f 91 pop r16 |
1e98: ff 90 pop r15 |
1e9a: ef 90 pop r14 |
1e9c: df 90 pop r13 |
1e9e: cf 90 pop r12 |
1ea0: 08 95 ret |
|
00001ea2 <disk_read>: |
BYTE drv, /* Physical drive nmuber (0) */ |
BYTE *buff, /* Pointer to the data buffer to store read data */ |
DWORD sector, /* Start sector number (LBA) */ |
BYTE count /* Sector count (1..255) */ |
) |
{ |
1ea2: 0f 93 push r16 |
1ea4: cf 93 push r28 |
1ea6: df 93 push r29 |
1ea8: eb 01 movw r28, r22 |
if (drv || !count) return RES_PARERR; |
1eaa: 88 23 and r24, r24 |
1eac: 09 f0 breq .+2 ; 0x1eb0 <disk_read+0xe> |
1eae: 50 c0 rjmp .+160 ; 0x1f50 <disk_read+0xae> |
1eb0: 00 23 and r16, r16 |
1eb2: 09 f4 brne .+2 ; 0x1eb6 <disk_read+0x14> |
1eb4: 4d c0 rjmp .+154 ; 0x1f50 <disk_read+0xae> |
if (Stat & STA_NOINIT) return RES_NOTRDY; |
1eb6: 80 91 04 01 lds r24, 0x0104 |
1eba: 80 ff sbrs r24, 0 |
1ebc: 03 c0 rjmp .+6 ; 0x1ec4 <disk_read+0x22> |
1ebe: 83 e0 ldi r24, 0x03 ; 3 |
1ec0: 90 e0 ldi r25, 0x00 ; 0 |
1ec2: 48 c0 rjmp .+144 ; 0x1f54 <disk_read+0xb2> |
|
if (!(CardType & 4)) sector *= 512; /* Convert to byte address if needed */ |
1ec4: 80 91 11 01 lds r24, 0x0111 |
1ec8: 82 fd sbrc r24, 2 |
1eca: 07 c0 rjmp .+14 ; 0x1eda <disk_read+0x38> |
1ecc: f9 e0 ldi r31, 0x09 ; 9 |
1ece: 22 0f add r18, r18 |
1ed0: 33 1f adc r19, r19 |
1ed2: 44 1f adc r20, r20 |
1ed4: 55 1f adc r21, r21 |
1ed6: fa 95 dec r31 |
1ed8: d1 f7 brne .-12 ; 0x1ece <disk_read+0x2c> |
|
SELECT(); /* CS = L */ |
1eda: 2a 98 cbi 0x05, 2 ; 5 |
|
if (count == 1) { /* Single block read */ |
1edc: 01 30 cpi r16, 0x01 ; 1 |
1ede: 81 f4 brne .+32 ; 0x1f00 <disk_read+0x5e> |
if ((send_cmd(CMD17, sector) == 0) /* READ_SINGLE_BLOCK */ |
1ee0: ba 01 movw r22, r20 |
1ee2: a9 01 movw r20, r18 |
1ee4: 81 e5 ldi r24, 0x51 ; 81 |
1ee6: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
1eea: 88 23 and r24, r24 |
1eec: 19 f5 brne .+70 ; 0x1f34 <disk_read+0x92> |
1eee: 60 e0 ldi r22, 0x00 ; 0 |
1ef0: 72 e0 ldi r23, 0x02 ; 2 |
1ef2: ce 01 movw r24, r28 |
1ef4: 0e 94 ec 0c call 0x19d8 ; 0x19d8 <rcvr_datablock> |
1ef8: 81 11 cpse r24, r1 |
1efa: 81 e0 ldi r24, 0x01 ; 1 |
1efc: 08 27 eor r16, r24 |
1efe: 1a c0 rjmp .+52 ; 0x1f34 <disk_read+0x92> |
&& rcvr_datablock(buff, 512)) |
count = 0; |
} |
else { /* Multiple block read */ |
if (send_cmd(CMD18, sector) == 0) { /* READ_MULTIPLE_BLOCK */ |
1f00: ba 01 movw r22, r20 |
1f02: a9 01 movw r20, r18 |
1f04: 82 e5 ldi r24, 0x52 ; 82 |
1f06: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
1f0a: 88 23 and r24, r24 |
1f0c: 99 f4 brne .+38 ; 0x1f34 <disk_read+0x92> |
do { |
if (!rcvr_datablock(buff, 512)) break; |
1f0e: 60 e0 ldi r22, 0x00 ; 0 |
1f10: 72 e0 ldi r23, 0x02 ; 2 |
1f12: ce 01 movw r24, r28 |
1f14: 0e 94 ec 0c call 0x19d8 ; 0x19d8 <rcvr_datablock> |
1f18: 88 23 and r24, r24 |
1f1a: 29 f0 breq .+10 ; 0x1f26 <disk_read+0x84> |
buff += 512; |
} while (--count); |
1f1c: 01 50 subi r16, 0x01 ; 1 |
1f1e: 19 f0 breq .+6 ; 0x1f26 <disk_read+0x84> |
} |
else { /* Multiple block read */ |
if (send_cmd(CMD18, sector) == 0) { /* READ_MULTIPLE_BLOCK */ |
do { |
if (!rcvr_datablock(buff, 512)) break; |
buff += 512; |
1f20: c0 50 subi r28, 0x00 ; 0 |
1f22: de 4f sbci r29, 0xFE ; 254 |
1f24: f4 cf rjmp .-24 ; 0x1f0e <disk_read+0x6c> |
} while (--count); |
send_cmd(CMD12, 0); /* STOP_TRANSMISSION */ |
1f26: 40 e0 ldi r20, 0x00 ; 0 |
1f28: 50 e0 ldi r21, 0x00 ; 0 |
1f2a: 60 e0 ldi r22, 0x00 ; 0 |
1f2c: 70 e0 ldi r23, 0x00 ; 0 |
1f2e: 8c e4 ldi r24, 0x4C ; 76 |
1f30: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
} |
} |
|
DESELECT(); /* CS = H */ |
1f34: 2a 9a sbi 0x05, 2 ; 5 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
1f36: 8f ef ldi r24, 0xFF ; 255 |
1f38: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
1f3a: 0d b4 in r0, 0x2d ; 45 |
1f3c: 07 fe sbrs r0, 7 |
1f3e: fd cf rjmp .-6 ; 0x1f3a <disk_read+0x98> |
return SPDR; |
1f40: 8e b5 in r24, 0x2e ; 46 |
} |
|
DESELECT(); /* CS = H */ |
rcvr_spi(); /* Idle (Release DO) */ |
|
return count ? RES_ERROR : RES_OK; |
1f42: 80 e0 ldi r24, 0x00 ; 0 |
1f44: 90 e0 ldi r25, 0x00 ; 0 |
1f46: 00 23 and r16, r16 |
1f48: 29 f0 breq .+10 ; 0x1f54 <disk_read+0xb2> |
1f4a: 81 e0 ldi r24, 0x01 ; 1 |
1f4c: 90 e0 ldi r25, 0x00 ; 0 |
1f4e: 02 c0 rjmp .+4 ; 0x1f54 <disk_read+0xb2> |
1f50: 84 e0 ldi r24, 0x04 ; 4 |
1f52: 90 e0 ldi r25, 0x00 ; 0 |
1f54: df 91 pop r29 |
1f56: cf 91 pop r28 |
1f58: 0f 91 pop r16 |
1f5a: 08 95 ret |
|
00001f5c <disk_initialize>: |
/*-----------------------------------------------------------------------*/ |
|
DSTATUS disk_initialize ( |
BYTE drv /* Physical drive nmuber (0) */ |
) |
{ |
1f5c: a4 e0 ldi r26, 0x04 ; 4 |
1f5e: b0 e0 ldi r27, 0x00 ; 0 |
1f60: e4 eb ldi r30, 0xB4 ; 180 |
1f62: ff e0 ldi r31, 0x0F ; 15 |
1f64: 0c 94 36 11 jmp 0x226c ; 0x226c <__prologue_saves__+0x18> |
BYTE n, ty, ocr[4]; |
|
|
if (drv) return STA_NOINIT; /* Supports only single drive */ |
1f68: 88 23 and r24, r24 |
1f6a: 19 f0 breq .+6 ; 0x1f72 <disk_initialize+0x16> |
1f6c: 81 e0 ldi r24, 0x01 ; 1 |
1f6e: 90 e0 ldi r25, 0x00 ; 0 |
1f70: d0 c0 rjmp .+416 ; 0x2112 <disk_initialize+0x1b6> |
if (Stat & STA_NODISK) return Stat; /* No card in the socket */ |
1f72: 80 91 04 01 lds r24, 0x0104 |
1f76: 81 fd sbrc r24, 1 |
1f78: c9 c0 rjmp .+402 ; 0x210c <disk_initialize+0x1b0> |
1f7a: 9a e0 ldi r25, 0x0A ; 10 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
1f7c: 8f ef ldi r24, 0xFF ; 255 |
1f7e: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
1f80: 0d b4 in r0, 0x2d ; 45 |
1f82: 07 fe sbrs r0, 7 |
1f84: fd cf rjmp .-6 ; 0x1f80 <disk_initialize+0x24> |
return SPDR; |
1f86: 8e b5 in r24, 0x2e ; 46 |
|
|
if (drv) return STA_NOINIT; /* Supports only single drive */ |
if (Stat & STA_NODISK) return Stat; /* No card in the socket */ |
|
for (n = 10; n; n--) rcvr_spi(); /* 80 dummy clocks */ |
1f88: 91 50 subi r25, 0x01 ; 1 |
1f8a: c1 f7 brne .-16 ; 0x1f7c <disk_initialize+0x20> |
|
SELECT(); /* CS = L */ |
1f8c: 2a 98 cbi 0x05, 2 ; 5 |
ty = 0; |
if (send_cmd(CMD0, 0) == 1) { /* Enter Idle state */ |
1f8e: 40 e0 ldi r20, 0x00 ; 0 |
1f90: 50 e0 ldi r21, 0x00 ; 0 |
1f92: 60 e0 ldi r22, 0x00 ; 0 |
1f94: 70 e0 ldi r23, 0x00 ; 0 |
1f96: 80 e4 ldi r24, 0x40 ; 64 |
1f98: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
1f9c: 81 30 cpi r24, 0x01 ; 1 |
1f9e: 09 f0 breq .+2 ; 0x1fa2 <disk_initialize+0x46> |
1fa0: a0 c0 rjmp .+320 ; 0x20e2 <disk_initialize+0x186> |
Timer1 = 100; /* Initialization timeout of 1000 msec */ |
1fa2: 84 e6 ldi r24, 0x64 ; 100 |
1fa4: 80 93 0f 01 sts 0x010F, r24 |
if (send_cmd(CMD8, 0x1AA) == 1) { /* SDC Ver2+ */ |
1fa8: 4a ea ldi r20, 0xAA ; 170 |
1faa: 51 e0 ldi r21, 0x01 ; 1 |
1fac: 60 e0 ldi r22, 0x00 ; 0 |
1fae: 70 e0 ldi r23, 0x00 ; 0 |
1fb0: 88 e4 ldi r24, 0x48 ; 72 |
1fb2: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
1fb6: 81 30 cpi r24, 0x01 ; 1 |
1fb8: 09 f0 breq .+2 ; 0x1fbc <disk_initialize+0x60> |
1fba: 54 c0 rjmp .+168 ; 0x2064 <disk_initialize+0x108> |
1fbc: 7e 01 movw r14, r28 |
1fbe: 08 94 sec |
1fc0: e1 1c adc r14, r1 |
1fc2: f1 1c adc r15, r1 |
1fc4: 87 01 movw r16, r14 |
for (n = 0; n < 4; n++) ocr[n] = rcvr_spi(); |
1fc6: 9e 01 movw r18, r28 |
1fc8: 2b 5f subi r18, 0xFB ; 251 |
1fca: 3f 4f sbci r19, 0xFF ; 255 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
1fcc: 8f ef ldi r24, 0xFF ; 255 |
1fce: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
1fd0: 0d b4 in r0, 0x2d ; 45 |
1fd2: 07 fe sbrs r0, 7 |
1fd4: fd cf rjmp .-6 ; 0x1fd0 <disk_initialize+0x74> |
return SPDR; |
1fd6: 8e b5 in r24, 0x2e ; 46 |
SELECT(); /* CS = L */ |
ty = 0; |
if (send_cmd(CMD0, 0) == 1) { /* Enter Idle state */ |
Timer1 = 100; /* Initialization timeout of 1000 msec */ |
if (send_cmd(CMD8, 0x1AA) == 1) { /* SDC Ver2+ */ |
for (n = 0; n < 4; n++) ocr[n] = rcvr_spi(); |
1fd8: f8 01 movw r30, r16 |
1fda: 81 93 st Z+, r24 |
1fdc: 8f 01 movw r16, r30 |
1fde: e2 17 cp r30, r18 |
1fe0: f3 07 cpc r31, r19 |
1fe2: a1 f7 brne .-24 ; 0x1fcc <disk_initialize+0x70> |
if (ocr[2] == 0x01 && ocr[3] == 0xAA) { /* The card can work at vdd range of 2.7-3.6V */ |
1fe4: 8b 81 ldd r24, Y+3 ; 0x03 |
1fe6: 81 30 cpi r24, 0x01 ; 1 |
1fe8: 09 f0 breq .+2 ; 0x1fec <disk_initialize+0x90> |
1fea: 7b c0 rjmp .+246 ; 0x20e2 <disk_initialize+0x186> |
1fec: 8c 81 ldd r24, Y+4 ; 0x04 |
1fee: 8a 3a cpi r24, 0xAA ; 170 |
1ff0: 09 f0 breq .+2 ; 0x1ff4 <disk_initialize+0x98> |
1ff2: 77 c0 rjmp .+238 ; 0x20e2 <disk_initialize+0x186> |
do { |
if (send_cmd(CMD55, 0) <= 1 && send_cmd(CMD41, 1UL << 30) == 0) break; /* ACMD41 with HCS bit */ |
1ff4: 40 e0 ldi r20, 0x00 ; 0 |
1ff6: 50 e0 ldi r21, 0x00 ; 0 |
1ff8: 60 e0 ldi r22, 0x00 ; 0 |
1ffa: 70 e0 ldi r23, 0x00 ; 0 |
1ffc: 87 e7 ldi r24, 0x77 ; 119 |
1ffe: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
2002: 82 30 cpi r24, 0x02 ; 2 |
2004: 48 f4 brcc .+18 ; 0x2018 <disk_initialize+0xbc> |
2006: 40 e0 ldi r20, 0x00 ; 0 |
2008: 50 e0 ldi r21, 0x00 ; 0 |
200a: 60 e0 ldi r22, 0x00 ; 0 |
200c: 70 e4 ldi r23, 0x40 ; 64 |
200e: 89 e6 ldi r24, 0x69 ; 105 |
2010: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
2014: 88 23 and r24, r24 |
2016: 21 f0 breq .+8 ; 0x2020 <disk_initialize+0xc4> |
} while (Timer1); |
2018: 80 91 0f 01 lds r24, 0x010F |
201c: 88 23 and r24, r24 |
201e: 51 f7 brne .-44 ; 0x1ff4 <disk_initialize+0x98> |
if (Timer1 && send_cmd(CMD58, 0) == 0) { /* Check CCS bit */ |
2020: 80 91 0f 01 lds r24, 0x010F |
2024: 88 23 and r24, r24 |
2026: 09 f4 brne .+2 ; 0x202a <disk_initialize+0xce> |
2028: 5c c0 rjmp .+184 ; 0x20e2 <disk_initialize+0x186> |
202a: 40 e0 ldi r20, 0x00 ; 0 |
202c: 50 e0 ldi r21, 0x00 ; 0 |
202e: 60 e0 ldi r22, 0x00 ; 0 |
2030: 70 e0 ldi r23, 0x00 ; 0 |
2032: 8a e7 ldi r24, 0x7A ; 122 |
2034: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
2038: 88 23 and r24, r24 |
203a: 09 f0 breq .+2 ; 0x203e <disk_initialize+0xe2> |
203c: 52 c0 rjmp .+164 ; 0x20e2 <disk_initialize+0x186> |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
203e: 8f ef ldi r24, 0xFF ; 255 |
2040: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
2042: 0d b4 in r0, 0x2d ; 45 |
2044: 07 fe sbrs r0, 7 |
2046: fd cf rjmp .-6 ; 0x2042 <disk_initialize+0xe6> |
return SPDR; |
2048: 8e b5 in r24, 0x2e ; 46 |
if (ocr[2] == 0x01 && ocr[3] == 0xAA) { /* The card can work at vdd range of 2.7-3.6V */ |
do { |
if (send_cmd(CMD55, 0) <= 1 && send_cmd(CMD41, 1UL << 30) == 0) break; /* ACMD41 with HCS bit */ |
} while (Timer1); |
if (Timer1 && send_cmd(CMD58, 0) == 0) { /* Check CCS bit */ |
for (n = 0; n < 4; n++) ocr[n] = rcvr_spi(); |
204a: f7 01 movw r30, r14 |
204c: 81 93 st Z+, r24 |
204e: 7f 01 movw r14, r30 |
2050: e0 17 cp r30, r16 |
2052: f1 07 cpc r31, r17 |
2054: a1 f7 brne .-24 ; 0x203e <disk_initialize+0xe2> |
ty = (ocr[0] & 0x40) ? 6 : 2; |
2056: 89 81 ldd r24, Y+1 ; 0x01 |
2058: 86 ff sbrs r24, 6 |
205a: 02 c0 rjmp .+4 ; 0x2060 <disk_initialize+0x104> |
205c: 16 e0 ldi r17, 0x06 ; 6 |
205e: 42 c0 rjmp .+132 ; 0x20e4 <disk_initialize+0x188> |
2060: 12 e0 ldi r17, 0x02 ; 2 |
2062: 40 c0 rjmp .+128 ; 0x20e4 <disk_initialize+0x188> |
} |
} |
} else { /* SDC Ver1 or MMC */ |
ty = (send_cmd(CMD55, 0) <= 1 && send_cmd(CMD41, 0) <= 1) ? 2 : 1; /* SDC : MMC */ |
2064: 40 e0 ldi r20, 0x00 ; 0 |
2066: 50 e0 ldi r21, 0x00 ; 0 |
2068: 60 e0 ldi r22, 0x00 ; 0 |
206a: 70 e0 ldi r23, 0x00 ; 0 |
206c: 87 e7 ldi r24, 0x77 ; 119 |
206e: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
2072: 82 30 cpi r24, 0x02 ; 2 |
2074: 58 f4 brcc .+22 ; 0x208c <disk_initialize+0x130> |
2076: 40 e0 ldi r20, 0x00 ; 0 |
2078: 50 e0 ldi r21, 0x00 ; 0 |
207a: 60 e0 ldi r22, 0x00 ; 0 |
207c: 70 e0 ldi r23, 0x00 ; 0 |
207e: 89 e6 ldi r24, 0x69 ; 105 |
2080: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
2084: 82 30 cpi r24, 0x02 ; 2 |
2086: 10 f4 brcc .+4 ; 0x208c <disk_initialize+0x130> |
2088: 12 e0 ldi r17, 0x02 ; 2 |
208a: 01 c0 rjmp .+2 ; 0x208e <disk_initialize+0x132> |
208c: 11 e0 ldi r17, 0x01 ; 1 |
do { |
if (ty == 2) { |
208e: 12 30 cpi r17, 0x02 ; 2 |
2090: 79 f4 brne .+30 ; 0x20b0 <disk_initialize+0x154> |
if (send_cmd(CMD55, 0) <= 1 && send_cmd(CMD41, 0) == 0) break; /* ACMD41 */ |
2092: 40 e0 ldi r20, 0x00 ; 0 |
2094: 50 e0 ldi r21, 0x00 ; 0 |
2096: 60 e0 ldi r22, 0x00 ; 0 |
2098: 70 e0 ldi r23, 0x00 ; 0 |
209a: 87 e7 ldi r24, 0x77 ; 119 |
209c: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
20a0: 82 30 cpi r24, 0x02 ; 2 |
20a2: 78 f4 brcc .+30 ; 0x20c2 <disk_initialize+0x166> |
20a4: 40 e0 ldi r20, 0x00 ; 0 |
20a6: 50 e0 ldi r21, 0x00 ; 0 |
20a8: 60 e0 ldi r22, 0x00 ; 0 |
20aa: 70 e0 ldi r23, 0x00 ; 0 |
20ac: 89 e6 ldi r24, 0x69 ; 105 |
20ae: 05 c0 rjmp .+10 ; 0x20ba <disk_initialize+0x15e> |
} else { |
if (send_cmd(CMD1, 0) == 0) break; /* CMD1 */ |
20b0: 40 e0 ldi r20, 0x00 ; 0 |
20b2: 50 e0 ldi r21, 0x00 ; 0 |
20b4: 60 e0 ldi r22, 0x00 ; 0 |
20b6: 70 e0 ldi r23, 0x00 ; 0 |
20b8: 81 e4 ldi r24, 0x41 ; 65 |
20ba: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
20be: 88 23 and r24, r24 |
20c0: 21 f0 breq .+8 ; 0x20ca <disk_initialize+0x16e> |
} |
} while (Timer1); |
20c2: 80 91 0f 01 lds r24, 0x010F |
20c6: 88 23 and r24, r24 |
20c8: 11 f7 brne .-60 ; 0x208e <disk_initialize+0x132> |
if (!Timer1 || send_cmd(CMD16, 512) != 0) /* Select R/W block length */ |
20ca: 80 91 0f 01 lds r24, 0x010F |
20ce: 88 23 and r24, r24 |
20d0: 41 f0 breq .+16 ; 0x20e2 <disk_initialize+0x186> |
20d2: 40 e0 ldi r20, 0x00 ; 0 |
20d4: 52 e0 ldi r21, 0x02 ; 2 |
20d6: 60 e0 ldi r22, 0x00 ; 0 |
20d8: 70 e0 ldi r23, 0x00 ; 0 |
20da: 80 e5 ldi r24, 0x50 ; 80 |
20dc: 0e 94 65 0d call 0x1aca ; 0x1aca <send_cmd> |
20e0: 81 11 cpse r24, r1 |
20e2: 10 e0 ldi r17, 0x00 ; 0 |
ty = 0; |
} |
} |
CardType = ty; |
20e4: 10 93 11 01 sts 0x0111, r17 |
DESELECT(); /* CS = H */ |
20e8: 2a 9a sbi 0x05, 2 ; 5 |
/*-----------------------------------------------------------------------*/ |
|
static |
BYTE rcvr_spi (void) |
{ |
SPDR = 0xFF; |
20ea: 8f ef ldi r24, 0xFF ; 255 |
20ec: 8e bd out 0x2e, r24 ; 46 |
loop_until_bit_is_set(SPSR, SPIF); |
20ee: 0d b4 in r0, 0x2d ; 45 |
20f0: 07 fe sbrs r0, 7 |
20f2: fd cf rjmp .-6 ; 0x20ee <disk_initialize+0x192> |
return SPDR; |
20f4: 8e b5 in r24, 0x2e ; 46 |
} |
CardType = ty; |
DESELECT(); /* CS = H */ |
rcvr_spi(); /* Idle (Release DO) */ |
|
if (ty) { /* Initialization succeded */ |
20f6: 11 23 and r17, r17 |
20f8: 21 f0 breq .+8 ; 0x2102 <disk_initialize+0x1a6> |
Stat &= ~STA_NOINIT; /* Clear STA_NOINIT */ |
20fa: 80 91 04 01 lds r24, 0x0104 |
20fe: 8e 7f andi r24, 0xFE ; 254 |
2100: 03 c0 rjmp .+6 ; 0x2108 <disk_initialize+0x1ac> |
} else { /* Initialization failed */ |
Stat |= STA_NOINIT; /* Set STA_NOINIT */ |
2102: 80 91 04 01 lds r24, 0x0104 |
2106: 81 60 ori r24, 0x01 ; 1 |
2108: 80 93 04 01 sts 0x0104, r24 |
} |
|
return Stat; |
210c: 80 91 04 01 lds r24, 0x0104 |
2110: 99 27 eor r25, r25 |
2112: e6 e0 ldi r30, 0x06 ; 6 |
2114: 24 96 adiw r28, 0x04 ; 4 |
2116: 0c 94 52 11 jmp 0x22a4 ; 0x22a4 <__epilogue_restores__+0x18> |
|
0000211a <strcpy_P>: |
211a: fb 01 movw r30, r22 |
211c: dc 01 movw r26, r24 |
211e: 05 90 lpm r0, Z+ |
2120: 0d 92 st X+, r0 |
2122: 00 20 and r0, r0 |
2124: e1 f7 brne .-8 ; 0x211e <strcpy_P+0x4> |
2126: 08 95 ret |
|
00002128 <memcmp>: |
2128: fb 01 movw r30, r22 |
212a: dc 01 movw r26, r24 |
212c: 04 c0 rjmp .+8 ; 0x2136 <memcmp+0xe> |
212e: 8d 91 ld r24, X+ |
2130: 01 90 ld r0, Z+ |
2132: 80 19 sub r24, r0 |
2134: 21 f4 brne .+8 ; 0x213e <memcmp+0x16> |
2136: 41 50 subi r20, 0x01 ; 1 |
2138: 50 40 sbci r21, 0x00 ; 0 |
213a: c8 f7 brcc .-14 ; 0x212e <memcmp+0x6> |
213c: 88 1b sub r24, r24 |
213e: 99 0b sbc r25, r25 |
2140: 08 95 ret |
|
00002142 <memcpy>: |
2142: fb 01 movw r30, r22 |
2144: dc 01 movw r26, r24 |
2146: 02 c0 rjmp .+4 ; 0x214c <memcpy+0xa> |
2148: 01 90 ld r0, Z+ |
214a: 0d 92 st X+, r0 |
214c: 41 50 subi r20, 0x01 ; 1 |
214e: 50 40 sbci r21, 0x00 ; 0 |
2150: d8 f7 brcc .-10 ; 0x2148 <memcpy+0x6> |
2152: 08 95 ret |
|
00002154 <memset>: |
2154: dc 01 movw r26, r24 |
2156: 01 c0 rjmp .+2 ; 0x215a <memset+0x6> |
2158: 6d 93 st X+, r22 |
215a: 41 50 subi r20, 0x01 ; 1 |
215c: 50 40 sbci r21, 0x00 ; 0 |
215e: e0 f7 brcc .-8 ; 0x2158 <memset+0x4> |
2160: 08 95 ret |
|
00002162 <strcpy>: |
2162: fb 01 movw r30, r22 |
2164: dc 01 movw r26, r24 |
2166: 01 90 ld r0, Z+ |
2168: 0d 92 st X+, r0 |
216a: 00 20 and r0, r0 |
216c: e1 f7 brne .-8 ; 0x2166 <strcpy+0x4> |
216e: 08 95 ret |
|
00002170 <itoa>: |
2170: fb 01 movw r30, r22 |
2172: 9f 01 movw r18, r30 |
2174: e8 94 clt |
2176: 42 30 cpi r20, 0x02 ; 2 |
2178: c4 f0 brlt .+48 ; 0x21aa <itoa+0x3a> |
217a: 45 32 cpi r20, 0x25 ; 37 |
217c: b4 f4 brge .+44 ; 0x21aa <itoa+0x3a> |
217e: 4a 30 cpi r20, 0x0A ; 10 |
2180: 29 f4 brne .+10 ; 0x218c <itoa+0x1c> |
2182: 97 fb bst r25, 7 |
2184: 1e f4 brtc .+6 ; 0x218c <itoa+0x1c> |
2186: 90 95 com r25 |
2188: 81 95 neg r24 |
218a: 9f 4f sbci r25, 0xFF ; 255 |
218c: 64 2f mov r22, r20 |
218e: 77 27 eor r23, r23 |
2190: 0e 94 61 11 call 0x22c2 ; 0x22c2 <__udivmodhi4> |
2194: 80 5d subi r24, 0xD0 ; 208 |
2196: 8a 33 cpi r24, 0x3A ; 58 |
2198: 0c f0 brlt .+2 ; 0x219c <itoa+0x2c> |
219a: 89 5d subi r24, 0xD9 ; 217 |
219c: 81 93 st Z+, r24 |
219e: cb 01 movw r24, r22 |
21a0: 00 97 sbiw r24, 0x00 ; 0 |
21a2: a1 f7 brne .-24 ; 0x218c <itoa+0x1c> |
21a4: 16 f4 brtc .+4 ; 0x21aa <itoa+0x3a> |
21a6: 5d e2 ldi r21, 0x2D ; 45 |
21a8: 51 93 st Z+, r21 |
21aa: 10 82 st Z, r1 |
21ac: c9 01 movw r24, r18 |
21ae: 0c 94 d9 10 jmp 0x21b2 ; 0x21b2 <strrev> |
|
000021b2 <strrev>: |
21b2: dc 01 movw r26, r24 |
21b4: fc 01 movw r30, r24 |
21b6: 67 2f mov r22, r23 |
21b8: 71 91 ld r23, Z+ |
21ba: 77 23 and r23, r23 |
21bc: e1 f7 brne .-8 ; 0x21b6 <strrev+0x4> |
21be: 32 97 sbiw r30, 0x02 ; 2 |
21c0: 04 c0 rjmp .+8 ; 0x21ca <strrev+0x18> |
21c2: 7c 91 ld r23, X |
21c4: 6d 93 st X+, r22 |
21c6: 70 83 st Z, r23 |
21c8: 62 91 ld r22, -Z |
21ca: ae 17 cp r26, r30 |
21cc: bf 07 cpc r27, r31 |
21ce: c8 f3 brcs .-14 ; 0x21c2 <strrev+0x10> |
21d0: 08 95 ret |
|
000021d2 <__mulsi3>: |
21d2: 62 9f mul r22, r18 |
21d4: d0 01 movw r26, r0 |
21d6: 73 9f mul r23, r19 |
21d8: f0 01 movw r30, r0 |
21da: 82 9f mul r24, r18 |
21dc: e0 0d add r30, r0 |
21de: f1 1d adc r31, r1 |
21e0: 64 9f mul r22, r20 |
21e2: e0 0d add r30, r0 |
21e4: f1 1d adc r31, r1 |
21e6: 92 9f mul r25, r18 |
21e8: f0 0d add r31, r0 |
21ea: 83 9f mul r24, r19 |
21ec: f0 0d add r31, r0 |
21ee: 74 9f mul r23, r20 |
21f0: f0 0d add r31, r0 |
21f2: 65 9f mul r22, r21 |
21f4: f0 0d add r31, r0 |
21f6: 99 27 eor r25, r25 |
21f8: 72 9f mul r23, r18 |
21fa: b0 0d add r27, r0 |
21fc: e1 1d adc r30, r1 |
21fe: f9 1f adc r31, r25 |
2200: 63 9f mul r22, r19 |
2202: b0 0d add r27, r0 |
2204: e1 1d adc r30, r1 |
2206: f9 1f adc r31, r25 |
2208: bd 01 movw r22, r26 |
220a: cf 01 movw r24, r30 |
220c: 11 24 eor r1, r1 |
220e: 08 95 ret |
|
00002210 <__udivmodsi4>: |
2210: a1 e2 ldi r26, 0x21 ; 33 |
2212: 1a 2e mov r1, r26 |
2214: aa 1b sub r26, r26 |
2216: bb 1b sub r27, r27 |
2218: fd 01 movw r30, r26 |
221a: 0d c0 rjmp .+26 ; 0x2236 <__udivmodsi4_ep> |
|
0000221c <__udivmodsi4_loop>: |
221c: aa 1f adc r26, r26 |
221e: bb 1f adc r27, r27 |
2220: ee 1f adc r30, r30 |
2222: ff 1f adc r31, r31 |
2224: a2 17 cp r26, r18 |
2226: b3 07 cpc r27, r19 |
2228: e4 07 cpc r30, r20 |
222a: f5 07 cpc r31, r21 |
222c: 20 f0 brcs .+8 ; 0x2236 <__udivmodsi4_ep> |
222e: a2 1b sub r26, r18 |
2230: b3 0b sbc r27, r19 |
2232: e4 0b sbc r30, r20 |
2234: f5 0b sbc r31, r21 |
|
00002236 <__udivmodsi4_ep>: |
2236: 66 1f adc r22, r22 |
2238: 77 1f adc r23, r23 |
223a: 88 1f adc r24, r24 |
223c: 99 1f adc r25, r25 |
223e: 1a 94 dec r1 |
2240: 69 f7 brne .-38 ; 0x221c <__udivmodsi4_loop> |
2242: 60 95 com r22 |
2244: 70 95 com r23 |
2246: 80 95 com r24 |
2248: 90 95 com r25 |
224a: 9b 01 movw r18, r22 |
224c: ac 01 movw r20, r24 |
224e: bd 01 movw r22, r26 |
2250: cf 01 movw r24, r30 |
2252: 08 95 ret |
|
00002254 <__prologue_saves__>: |
2254: 2f 92 push r2 |
2256: 3f 92 push r3 |
2258: 4f 92 push r4 |
225a: 5f 92 push r5 |
225c: 6f 92 push r6 |
225e: 7f 92 push r7 |
2260: 8f 92 push r8 |
2262: 9f 92 push r9 |
2264: af 92 push r10 |
2266: bf 92 push r11 |
2268: cf 92 push r12 |
226a: df 92 push r13 |
226c: ef 92 push r14 |
226e: ff 92 push r15 |
2270: 0f 93 push r16 |
2272: 1f 93 push r17 |
2274: cf 93 push r28 |
2276: df 93 push r29 |
2278: cd b7 in r28, 0x3d ; 61 |
227a: de b7 in r29, 0x3e ; 62 |
227c: ca 1b sub r28, r26 |
227e: db 0b sbc r29, r27 |
2280: 0f b6 in r0, 0x3f ; 63 |
2282: f8 94 cli |
2284: de bf out 0x3e, r29 ; 62 |
2286: 0f be out 0x3f, r0 ; 63 |
2288: cd bf out 0x3d, r28 ; 61 |
228a: 09 94 ijmp |
|
0000228c <__epilogue_restores__>: |
228c: 2a 88 ldd r2, Y+18 ; 0x12 |
228e: 39 88 ldd r3, Y+17 ; 0x11 |
2290: 48 88 ldd r4, Y+16 ; 0x10 |
2292: 5f 84 ldd r5, Y+15 ; 0x0f |
2294: 6e 84 ldd r6, Y+14 ; 0x0e |
2296: 7d 84 ldd r7, Y+13 ; 0x0d |
2298: 8c 84 ldd r8, Y+12 ; 0x0c |
229a: 9b 84 ldd r9, Y+11 ; 0x0b |
229c: aa 84 ldd r10, Y+10 ; 0x0a |
229e: b9 84 ldd r11, Y+9 ; 0x09 |
22a0: c8 84 ldd r12, Y+8 ; 0x08 |
22a2: df 80 ldd r13, Y+7 ; 0x07 |
22a4: ee 80 ldd r14, Y+6 ; 0x06 |
22a6: fd 80 ldd r15, Y+5 ; 0x05 |
22a8: 0c 81 ldd r16, Y+4 ; 0x04 |
22aa: 1b 81 ldd r17, Y+3 ; 0x03 |
22ac: aa 81 ldd r26, Y+2 ; 0x02 |
22ae: b9 81 ldd r27, Y+1 ; 0x01 |
22b0: ce 0f add r28, r30 |
22b2: d1 1d adc r29, r1 |
22b4: 0f b6 in r0, 0x3f ; 63 |
22b6: f8 94 cli |
22b8: de bf out 0x3e, r29 ; 62 |
22ba: 0f be out 0x3f, r0 ; 63 |
22bc: cd bf out 0x3d, r28 ; 61 |
22be: ed 01 movw r28, r26 |
22c0: 08 95 ret |
|
000022c2 <__udivmodhi4>: |
22c2: aa 1b sub r26, r26 |
22c4: bb 1b sub r27, r27 |
22c6: 51 e1 ldi r21, 0x11 ; 17 |
22c8: 07 c0 rjmp .+14 ; 0x22d8 <__udivmodhi4_ep> |
|
000022ca <__udivmodhi4_loop>: |
22ca: aa 1f adc r26, r26 |
22cc: bb 1f adc r27, r27 |
22ce: a6 17 cp r26, r22 |
22d0: b7 07 cpc r27, r23 |
22d2: 10 f0 brcs .+4 ; 0x22d8 <__udivmodhi4_ep> |
22d4: a6 1b sub r26, r22 |
22d6: b7 0b sbc r27, r23 |
|
000022d8 <__udivmodhi4_ep>: |
22d8: 88 1f adc r24, r24 |
22da: 99 1f adc r25, r25 |
22dc: 5a 95 dec r21 |
22de: a9 f7 brne .-22 ; 0x22ca <__udivmodhi4_loop> |
22e0: 80 95 com r24 |
22e2: 90 95 com r25 |
22e4: bc 01 movw r22, r24 |
22e6: cd 01 movw r24, r26 |
22e8: 08 95 ret |
|
000022ea <_exit>: |
22ea: ff cf rjmp .-2 ; 0x22ea <_exit> |