| 0,0 → 1,393 |
|---|
| GAS LISTING /tmp/ccZtX2VJ.s page 1 |
| |
| |
| 1 .file "UartInterface.c" |
| 2 .arch atmega8 |
| 3 __SREG__ = 0x3f |
| 4 __SP_H__ = 0x3e |
| 5 __SP_L__ = 0x3d |
| 6 __tmp_reg__ = 0 |
| 7 __zero_reg__ = 1 |
| 8 .global __do_copy_data |
| 9 .global __do_clear_bss |
| 10 .stabs "/home/kaklik/projects/programy/Atmel_C/AVRcam/",100,0,2,.Ltext0 |
| 11 .stabs "UartInterface.c",100,0,2,.Ltext0 |
| 12 .text |
| 13 .Ltext0: |
| 14 .stabs "gcc2_compiled.",60,0,0,0 |
| 15 .stabs "int:t(0,1)=r(0,1);-32768;32767;",128,0,0,0 |
| 16 .stabs "char:t(0,2)=@s8;r(0,2);0;255;",128,0,0,0 |
| 17 .stabs "long int:t(0,3)=@s32;r(0,3);020000000000;017777777777;",128,0,0,0 |
| 18 .stabs "unsigned int:t(0,4)=r(0,4);0;0177777;",128,0,0,0 |
| 19 .stabs "long unsigned int:t(0,5)=@s32;r(0,5);0;037777777777;",128,0,0,0 |
| 20 .stabs "long long int:t(0,6)=@s64;r(0,6);01000000000000000000000;0777777777777777777777;",128,0,0, |
| 21 .stabs "long long unsigned int:t(0,7)=@s64;r(0,7);0;01777777777777777777777;",128,0,0,0 |
| 22 .stabs "short int:t(0,8)=r(0,8);-32768;32767;",128,0,0,0 |
| 23 .stabs "short unsigned int:t(0,9)=r(0,9);0;0177777;",128,0,0,0 |
| 24 .stabs "signed char:t(0,10)=@s8;r(0,10);-128;127;",128,0,0,0 |
| 25 .stabs "unsigned char:t(0,11)=@s8;r(0,11);0;255;",128,0,0,0 |
| 26 .stabs "float:t(0,12)=r(0,1);4;0;",128,0,0,0 |
| 27 .stabs "double:t(0,13)=r(0,1);4;0;",128,0,0,0 |
| 28 .stabs "long double:t(0,14)=r(0,1);4;0;",128,0,0,0 |
| 29 .stabs "void:t(0,15)=(0,15)",128,0,0,0 |
| 30 .stabs "/usr/lib/gcc/avr/4.1.0/../../../../avr/include/avr/io.h",130,0,0,0 |
| 31 .stabs "/usr/lib/gcc/avr/4.1.0/../../../../avr/include/avr/sfr_defs.h",130,0,0,0 |
| 32 .stabs "/usr/lib/gcc/avr/4.1.0/../../../../avr/include/inttypes.h",130,0,0,0 |
| 33 .stabs "/usr/lib/gcc/avr/4.1.0/../../../../avr/include/stdint.h",130,0,0,0 |
| 34 .stabs "int8_t:t(4,1)=(0,10)",128,0,116,0 |
| 35 .stabs "uint8_t:t(4,2)=(0,11)",128,0,117,0 |
| 36 .stabs "int16_t:t(4,3)=(0,1)",128,0,118,0 |
| 37 .stabs "uint16_t:t(4,4)=(0,4)",128,0,119,0 |
| 38 .stabs "int32_t:t(4,5)=(0,3)",128,0,120,0 |
| 39 .stabs "uint32_t:t(4,6)=(0,5)",128,0,121,0 |
| 40 .stabs "int64_t:t(4,7)=(0,6)",128,0,122,0 |
| 41 .stabs "uint64_t:t(4,8)=(0,7)",128,0,123,0 |
| 42 .stabs "intptr_t:t(4,9)=(4,3)",128,0,135,0 |
| 43 .stabs "uintptr_t:t(4,10)=(4,4)",128,0,140,0 |
| 44 .stabs "int_least8_t:t(4,11)=(4,1)",128,0,152,0 |
| 45 .stabs "uint_least8_t:t(4,12)=(4,2)",128,0,157,0 |
| 46 .stabs "int_least16_t:t(4,13)=(4,3)",128,0,162,0 |
| 47 .stabs "uint_least16_t:t(4,14)=(4,4)",128,0,167,0 |
| 48 .stabs "int_least32_t:t(4,15)=(4,5)",128,0,172,0 |
| 49 .stabs "uint_least32_t:t(4,16)=(4,6)",128,0,177,0 |
| 50 .stabs "int_least64_t:t(4,17)=(4,7)",128,0,182,0 |
| 51 .stabs "uint_least64_t:t(4,18)=(4,8)",128,0,187,0 |
| 52 .stabs "int_fast8_t:t(4,19)=(4,1)",128,0,200,0 |
| 53 .stabs "uint_fast8_t:t(4,20)=(4,2)",128,0,205,0 |
| 54 .stabs "int_fast16_t:t(4,21)=(4,3)",128,0,210,0 |
| 55 .stabs "uint_fast16_t:t(4,22)=(4,4)",128,0,215,0 |
| 56 .stabs "int_fast32_t:t(4,23)=(4,5)",128,0,220,0 |
| 57 .stabs "uint_fast32_t:t(4,24)=(4,6)",128,0,225,0 |
| GAS LISTING /tmp/ccZtX2VJ.s page 2 |
| |
| |
| 58 .stabs "int_fast64_t:t(4,25)=(4,7)",128,0,230,0 |
| 59 .stabs "uint_fast64_t:t(4,26)=(4,8)",128,0,235,0 |
| 60 .stabs "intmax_t:t(4,27)=(4,7)",128,0,249,0 |
| 61 .stabs "uintmax_t:t(4,28)=(4,8)",128,0,254,0 |
| 62 .stabn 162,0,0,0 |
| 63 .stabs "int_farptr_t:t(3,1)=(4,5)",128,0,76,0 |
| 64 .stabs "uint_farptr_t:t(3,2)=(4,6)",128,0,80,0 |
| 65 .stabn 162,0,0,0 |
| 66 .stabn 162,0,0,0 |
| 67 .stabn 162,0,0,0 |
| 68 .stabs "CommonDefs.h",130,0,0,0 |
| 69 .stabs "bool_t:t(5,1)=(0,11)",128,0,56,0 |
| 70 .stabn 162,0,0,0 |
| 71 .stabs "UartInt_init:F(0,15)",36,0,76,UartInt_init |
| 72 .global UartInt_init |
| 73 .type UartInt_init, @function |
| 74 UartInt_init: |
| 75 .stabd 46,0,0 |
| 1:UartInterface.c **** /* |
| 2:UartInterface.c **** Copyright (C) 2004 John Orlando |
| 3:UartInterface.c **** |
| 4:UartInterface.c **** AVRcam: a small real-time image processing engine. |
| 5:UartInterface.c **** |
| 6:UartInterface.c **** This program is free software; you can redistribute it and/or |
| 7:UartInterface.c **** modify it under the terms of the GNU General Public |
| 8:UartInterface.c **** License as published by the Free Software Foundation; either |
| 9:UartInterface.c **** version 2 of the License, or (at your option) any later version. |
| 10:UartInterface.c **** |
| 11:UartInterface.c **** This program is distributed in the hope that it will be useful, |
| 12:UartInterface.c **** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13:UartInterface.c **** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14:UartInterface.c **** General Public License for more details. |
| 15:UartInterface.c **** |
| 16:UartInterface.c **** You should have received a copy of the GNU General Public |
| 17:UartInterface.c **** License along with this program; if not, write to the Free Software |
| 18:UartInterface.c **** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19:UartInterface.c **** |
| 20:UartInterface.c **** For more information on the AVRcam, please contact: |
| 21:UartInterface.c **** |
| 22:UartInterface.c **** john@jrobot.net |
| 23:UartInterface.c **** |
| 24:UartInterface.c **** or go to www.jrobot.net for more details regarding the system. |
| 25:UartInterface.c **** */ |
| 26:UartInterface.c **** /*********************************************************** |
| 27:UartInterface.c **** Module Name: UartInterface.c |
| 28:UartInterface.c **** Module Date: 04/10/2004 |
| 29:UartInterface.c **** Module Auth: John Orlando |
| 30:UartInterface.c **** |
| 31:UartInterface.c **** Description: This module is responsible for providing an |
| 32:UartInterface.c **** interface to the UART hardware available on the mega8. |
| 33:UartInterface.c **** This interface is an interrupt-driven interface. |
| 34:UartInterface.c **** |
| 35:UartInterface.c **** Revision History: |
| 36:UartInterface.c **** Date Rel Ver. Notes |
| 37:UartInterface.c **** 4/10/2004 0.1 Module created |
| 38:UartInterface.c **** 6/30/2004 1.0 Initial release for Circuit Cellar |
| 39:UartInterface.c **** contest. |
| GAS LISTING /tmp/ccZtX2VJ.s page 3 |
| |
| |
| 40:UartInterface.c **** 11/15/2004 1.2 Updated UART baud rate regs so that |
| 41:UartInterface.c **** it runs at 115.2 kbps when the input |
| 42:UartInterface.c **** crystal is at 17.7 MHz (which is the |
| 43:UartInterface.c **** speed of the OV6620's crystal). |
| 44:UartInterface.c **** 1/16/2005 1.4 Moved the serial received ISR to |
| 45:UartInterface.c **** this file, instead of having it |
| 46:UartInterface.c **** in its own UartInterfaceAsm.S file |
| 47:UartInterface.c **** written in assembly. |
| 48:UartInterface.c **** ***********************************************************/ |
| 49:UartInterface.c **** |
| 50:UartInterface.c **** /* Includes */ |
| 51:UartInterface.c **** #include <avr/io.h> |
| 52:UartInterface.c **** #include <avr/interrupt.h> |
| 53:UartInterface.c **** #include "CommonDefs.h" |
| 54:UartInterface.c **** #include "UartInterface.h" |
| 55:UartInterface.c **** #include "UIMgr.h" |
| 56:UartInterface.c **** #include "Executive.h" |
| 57:UartInterface.c **** |
| 58:UartInterface.c **** /* Local Variables */ |
| 59:UartInterface.c **** |
| 60:UartInterface.c **** /* Local Structures and Typedefs */ |
| 61:UartInterface.c **** |
| 62:UartInterface.c **** /* Extern Variables */ |
| 63:UartInterface.c **** |
| 64:UartInterface.c **** /* Definitions */ |
| 65:UartInterface.c **** |
| 66:UartInterface.c **** /*********************************************************** |
| 67:UartInterface.c **** Function Name: UartInt_init |
| 68:UartInterface.c **** Function Description: This function is responsible for |
| 69:UartInterface.c **** initializing the UART interface on the mega8. This |
| 70:UartInterface.c **** interface is set to communicate at 115.2 Kbps, with an |
| 71:UartInterface.c **** 8N1 protocol. |
| 72:UartInterface.c **** Inputs: none |
| 73:UartInterface.c **** Outputs: none |
| 74:UartInterface.c **** ***********************************************************/ |
| 75:UartInterface.c **** void UartInt_init(void) |
| 76:UartInterface.c **** { |
| 76 .stabn 68,0,76,.LM0-UartInt_init |
| 77 .LM0: |
| 78 /* prologue: frame size=0 */ |
| 79 /* prologue end (size=0) */ |
| 77:UartInterface.c **** /* set up the baud rate registers so the UART will operate |
| 78:UartInterface.c **** at 115.2 Kbps */ |
| 79:UartInterface.c **** UBRRH = 0x00; |
| 80 .stabn 68,0,79,.LM1-UartInt_init |
| 81 .LM1: |
| 82 0000 10BC out 64-0x20,__zero_reg__ |
| 80:UartInterface.c **** |
| 81:UartInterface.c **** #ifdef NO_CRYSTAL |
| 82:UartInterface.c **** UBRRL = 18; /* 18 for double clocking at 115.2 kbps */ |
| 83 .stabn 68,0,82,.LM2-UartInt_init |
| 84 .LM2: |
| 85 0002 82E1 ldi r24,lo8(18) |
| 86 0004 89B9 out 41-0x20,r24 |
| 83:UartInterface.c **** #else |
| 84:UartInterface.c **** UBRRL = 0x08; /* for 16 MHz crystal at 115.2 kbps */ |
| 85:UartInterface.c **** #endif |
| GAS LISTING /tmp/ccZtX2VJ.s page 4 |
| |
| |
| 86:UartInterface.c **** |
| 87:UartInterface.c **** /* enable the tx and rx capabilities of the UART...as well |
| 88:UartInterface.c **** as the receive complete interrupt */ |
| 89:UartInterface.c **** UCSRB = (1<<RXCIE)|(1<<RXEN)|(1<<TXEN); |
| 87 .stabn 68,0,89,.LM3-UartInt_init |
| 88 .LM3: |
| 89 0006 88E9 ldi r24,lo8(-104) |
| 90 0008 8AB9 out 42-0x20,r24 |
| 90:UartInterface.c **** |
| 91:UartInterface.c **** /* set up the control registers so the UART works at 8N1 */ |
| 92:UartInterface.c **** UCSRC = (1<<URSEL)|(1<<UCSZ1)|(1<<UCSZ0); |
| 91 .stabn 68,0,92,.LM4-UartInt_init |
| 92 .LM4: |
| 93 000a 86E8 ldi r24,lo8(-122) |
| 94 000c 80BD out 64-0x20,r24 |
| 93:UartInterface.c **** |
| 94:UartInterface.c **** #ifdef NO_CRYSTAL |
| 95:UartInterface.c **** /* set the baud rate to use the double-speed */ |
| 96:UartInterface.c **** UCSRA = (1<<U2X); |
| 95 .stabn 68,0,96,.LM5-UartInt_init |
| 96 .LM5: |
| 97 000e 82E0 ldi r24,lo8(2) |
| 98 0010 8BB9 out 43-0x20,r24 |
| 99 /* epilogue: frame size=0 */ |
| 100 0012 0895 ret |
| 101 /* epilogue end (size=1) */ |
| 102 /* function UartInt_init size 10 (9) */ |
| 103 .size UartInt_init, .-UartInt_init |
| 104 .Lscope0: |
| 105 .stabs "",36,0,0,.Lscope0-UartInt_init |
| 106 .stabd 78,0,0 |
| 107 .stabs "UartInt_txByte:F(0,15)",36,0,115,UartInt_txByte |
| 108 .stabs "txByte:P(0,11)",64,0,114,24 |
| 109 .global UartInt_txByte |
| 110 .type UartInt_txByte, @function |
| 111 UartInt_txByte: |
| 112 .stabd 46,0,0 |
| 97:UartInterface.c **** #endif |
| 98:UartInterface.c **** |
| 99:UartInterface.c **** } |
| 100:UartInterface.c **** |
| 101:UartInterface.c **** /*********************************************************** |
| 102:UartInterface.c **** Function Name: UartInt_txByte |
| 103:UartInterface.c **** Function Description: This function is responsible for |
| 104:UartInterface.c **** transmitting a single byte on the uart. |
| 105:UartInterface.c **** Inputs: txByte - the byte to send |
| 106:UartInterface.c **** Outputs: none |
| 107:UartInterface.c **** NOTES: When the TX UDRE (data register empty) is set, there |
| 108:UartInterface.c **** is puposefully no interrupt...thus, to send a string of |
| 109:UartInterface.c **** data out, the calling routine needs to hold up the entire |
| 110:UartInterface.c **** application while this takes place (or just send one |
| 111:UartInterface.c **** byte at a time at strtegically timed intervals, like |
| 112:UartInterface.c **** the stats data is sent out :-) |
| 113:UartInterface.c **** ***********************************************************/ |
| 114:UartInterface.c **** void UartInt_txByte(unsigned char txByte) |
| 115:UartInterface.c **** { |
| 113 .stabn 68,0,115,.LM6-UartInt_txByte |
| GAS LISTING /tmp/ccZtX2VJ.s page 5 |
| |
| |
| 114 .LM6: |
| 115 /* prologue: frame size=0 */ |
| 116 /* prologue end (size=0) */ |
| 117 .L5: |
| 116:UartInterface.c **** /* Wait for empty transmit buffer */ |
| 117:UartInterface.c **** while ( !( UCSRA & (1<<UDRE)) ); |
| 118 .stabn 68,0,117,.LM7-UartInt_txByte |
| 119 .LM7: |
| 120 0014 5D9B sbis 43-0x20,5 |
| 121 0016 FECF rjmp .L5 |
| 118:UartInterface.c **** /* Put data into buffer, sends the data */ |
| 119:UartInterface.c **** UDR = txByte; |
| 122 .stabn 68,0,119,.LM8-UartInt_txByte |
| 123 .LM8: |
| 124 0018 8CB9 out 44-0x20,r24 |
| 125 /* epilogue: frame size=0 */ |
| 126 001a 0895 ret |
| 127 /* epilogue end (size=1) */ |
| 128 /* function UartInt_txByte size 4 (3) */ |
| 129 .size UartInt_txByte, .-UartInt_txByte |
| 130 .Lscope1: |
| 131 .stabs "",36,0,0,.Lscope1-UartInt_txByte |
| 132 .stabd 78,0,0 |
| 133 .stabs "__vector_11:F(0,15)",36,0,138,__vector_11 |
| 134 .global __vector_11 |
| 135 .type __vector_11, @function |
| 136 __vector_11: |
| 137 .stabd 46,0,0 |
| 120:UartInterface.c **** } |
| 121:UartInterface.c **** |
| 122:UartInterface.c **** /*********************************************************** |
| 123:UartInterface.c **** Function Name: SIG_UART_RECV ISR |
| 124:UartInterface.c **** Function Description: This function is responsible for |
| 125:UartInterface.c **** handling the interrupt caused when a data byte is |
| 126:UartInterface.c **** received by the UART. |
| 127:UartInterface.c **** Inputs: none |
| 128:UartInterface.c **** Outputs: none |
| 129:UartInterface.c **** NOTES: This function was originally written in assembly, |
| 130:UartInterface.c **** but moved over to C when the setting of the "T" bit at |
| 131:UartInterface.c **** the end of the routine was no longer necessary (this |
| 132:UartInterface.c **** theoretically allowed the AVRcam to respond to serial |
| 133:UartInterface.c **** bytes in the middle of tracking or dumping a frame. |
| 134:UartInterface.c **** But it wasn't really needed, and understanding the C |
| 135:UartInterface.c **** is easier :-) |
| 136:UartInterface.c **** ***********************************************************/ |
| 137:UartInterface.c **** SIGNAL(SIG_UART_RECV) |
| 138:UartInterface.c **** { |
| 138 .stabn 68,0,138,.LM9-__vector_11 |
| 139 .LM9: |
| 140 /* prologue: frame size=0 */ |
| 141 001c 1F92 push __zero_reg__ |
| 142 001e 0F92 push __tmp_reg__ |
| 143 0020 0FB6 in __tmp_reg__,__SREG__ |
| 144 0022 0F92 push __tmp_reg__ |
| 145 0024 1124 clr __zero_reg__ |
| 146 0026 8F93 push r24 |
| 147 0028 9F93 push r25 |
| GAS LISTING /tmp/ccZtX2VJ.s page 6 |
| |
| |
| 148 002a EF93 push r30 |
| 149 002c FF93 push r31 |
| 150 /* prologue end (size=9) */ |
| 139:UartInterface.c **** unsigned char tmpHead; |
| 140:UartInterface.c **** /* read the data byte, put it in the serial queue, and |
| 141:UartInterface.c **** post the event */ |
| 142:UartInterface.c **** |
| 143:UartInterface.c **** UIMgr_rxFifo[UIMgr_rxFifoHead] = UDR; |
| 151 .stabn 68,0,143,.LM10-__vector_11 |
| 152 .LM10: |
| 153 002e 8091 0000 lds r24,UIMgr_rxFifoHead |
| 154 0032 9CB1 in r25,44-0x20 |
| 155 0034 E0E0 ldi r30,lo8(UIMgr_rxFifo) |
| 156 0036 F0E0 ldi r31,hi8(UIMgr_rxFifo) |
| 157 0038 E80F add r30,r24 |
| 158 003a F11D adc r31,__zero_reg__ |
| 159 003c 9083 st Z,r25 |
| 144:UartInterface.c **** |
| 145:UartInterface.c **** /* now move the head up */ |
| 146:UartInterface.c **** tmpHead = (UIMgr_rxFifoHead + 1) & (UI_MGR_RX_FIFO_MASK); |
| 147:UartInterface.c **** UIMgr_rxFifoHead = tmpHead; |
| 160 .stabn 68,0,147,.LM11-__vector_11 |
| 161 .LM11: |
| 162 003e 8F5F subi r24,lo8(-(1)) |
| 163 0040 8F71 andi r24,lo8(31) |
| 164 0042 8093 0000 sts UIMgr_rxFifoHead,r24 |
| 148:UartInterface.c **** |
| 149:UartInterface.c **** /* write the serial received event to the event fifo */ |
| 150:UartInterface.c **** Exec_eventFifo[Exec_eventFifoHead] = EV_SERIAL_DATA_RECEIVED; |
| 165 .stabn 68,0,150,.LM12-__vector_11 |
| 166 .LM12: |
| 167 0046 8091 0000 lds r24,Exec_eventFifoHead |
| 168 004a E0E0 ldi r30,lo8(Exec_eventFifo) |
| 169 004c F0E0 ldi r31,hi8(Exec_eventFifo) |
| 170 004e E80F add r30,r24 |
| 171 0050 F11D adc r31,__zero_reg__ |
| 172 0052 91E0 ldi r25,lo8(1) |
| 173 0054 9083 st Z,r25 |
| 151:UartInterface.c **** |
| 152:UartInterface.c **** /* now move the head up */ |
| 153:UartInterface.c **** tmpHead = (Exec_eventFifoHead + 1) & (EXEC_EVENT_FIFO_MASK); |
| 154:UartInterface.c **** Exec_eventFifoHead = tmpHead; |
| 174 .stabn 68,0,154,.LM13-__vector_11 |
| 175 .LM13: |
| 176 0056 8F5F subi r24,lo8(-(1)) |
| 177 0058 8770 andi r24,lo8(7) |
| 178 005a 8093 0000 sts Exec_eventFifoHead,r24 |
| 179 /* epilogue: frame size=0 */ |
| 180 005e FF91 pop r31 |
| 181 0060 EF91 pop r30 |
| 182 0062 9F91 pop r25 |
| 183 0064 8F91 pop r24 |
| 184 0066 0F90 pop __tmp_reg__ |
| 185 0068 0FBE out __SREG__,__tmp_reg__ |
| 186 006a 0F90 pop __tmp_reg__ |
| 187 006c 1F90 pop __zero_reg__ |
| 188 006e 1895 reti |
| GAS LISTING /tmp/ccZtX2VJ.s page 7 |
| |
| |
| 189 /* epilogue end (size=9) */ |
| 190 /* function __vector_11 size 42 (24) */ |
| 191 .size __vector_11, .-__vector_11 |
| 192 .Lscope2: |
| 193 .stabs "",36,0,0,.Lscope2-__vector_11 |
| 194 .stabd 78,0,0 |
| 195 .stabs "",100,0,0,.Letext0 |
| 196 .Letext0: |
| 197 /* File "UartInterface.c": code 56 = 0x0038 ( 36), prologues 9, epilogues 11 */ |
| GAS LISTING /tmp/ccZtX2VJ.s page 8 |
| |
| |
| DEFINED SYMBOLS |
| *ABS*:00000000 UartInterface.c |
| /tmp/ccZtX2VJ.s:3 *ABS*:0000003f __SREG__ |
| /tmp/ccZtX2VJ.s:4 *ABS*:0000003e __SP_H__ |
| /tmp/ccZtX2VJ.s:5 *ABS*:0000003d __SP_L__ |
| /tmp/ccZtX2VJ.s:6 *ABS*:00000000 __tmp_reg__ |
| /tmp/ccZtX2VJ.s:7 *ABS*:00000001 __zero_reg__ |
| /tmp/ccZtX2VJ.s:74 .text:00000000 UartInt_init |
| /tmp/ccZtX2VJ.s:111 .text:00000014 UartInt_txByte |
| /tmp/ccZtX2VJ.s:136 .text:0000001c __vector_11 |
| |
| UNDEFINED SYMBOLS |
| __do_copy_data |
| __do_clear_bss |
| UIMgr_rxFifoHead |
| UIMgr_rxFifo |
| Exec_eventFifoHead |
| Exec_eventFifo |