10,7 → 10,6 |
#bit FERR = 0x18.2 |
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#include <string.h> |
//!!! #include "bloader.c" // Boot Loader driver |
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#CASE // Case sensitive compiler |
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93,7 → 92,7 |
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/*-------------------------------- MAIN --------------------------------------*/ |
void real_main() |
void main() |
{ |
unsigned int16 seq, temp, tempa; |
signed int16 ta, to; |
185,7 → 184,7 |
break; |
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case 'u': |
// load_program(); // Update firmware |
reset_cpu(); // Update firmware |
} |
} |
// while(kbhit()) getc(); // Flush USART buffer |
231,163 → 230,4 |
} |
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/*------------------- BOOT LOADER --------------------------------------------*/ |
#define LOADER_RESERVED getenv("PROGRAM_MEMORY")-getenv("FLASH_ERASE_SIZE")-800 |
#define BUFFER_LEN_LOD 46 |
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#ORG LOADER_RESERVED,getenv("PROGRAM_MEMORY")-201 auto=0 default |
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unsigned int atoi_b16(char *s) { // Convert two hex characters to a int8 |
unsigned int result = 0; |
int i; |
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for (i=0; i<2; i++,s++) { |
if (*s >= 'A') |
result = 16*result + (*s) - 'A' + 10; |
else |
result = 16*result + (*s) - '0'; |
} |
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return(result); |
} |
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void assert(int1 Condition, int8 ErrorCode) |
{ |
if(Condition) |
{ |
putchar('E'); |
putchar(ErrorCode+'1'); |
reset_cpu(); |
} |
} |
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void pause() |
{ |
int16 timeout; |
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for(timeout=0; timeout<65535; timeout++); // Delay cca 300ms |
} |
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boot_loader() |
{ |
int buffidx; |
char buffer[BUFFER_LEN_LOD]; |
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int8 checksum, line_type; |
int16 l_addr,h_addr=0; |
int32 addr; |
#if getenv("FLASH_ERASE_SIZE")>2 |
int32 next_addr; |
#endif |
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//!!! #error ble getenv("FLASH_ERASE_SIZE") getenv("FLASH_WRITE_SIZE") |
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int8 dataidx, i, count; |
union program_data { |
int8 i8[16]; |
int16 i16[8]; |
} data; |
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putchar('@'); |
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//!!!nesmaze obsluhu preruseni |
for(i=getenv("FLASH_ERASE_SIZE")+1;i<LOADER_RESERVED;i+=getenv("FLASH_ERASE_SIZE")) |
erase_program_eeprom(i); |
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putchar('@'); |
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while(TRUE) |
{ |
//---WDT |
//!!! musi fungovat watchdog |
while (getc()!=':') restart_wdt(); // Only process data blocks that starts with ':' |
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buffidx = 0; // Read into the buffer until 'x' is received or buffer is full |
do |
{ |
buffer[buffidx] = getc(); |
} while ( (buffer[buffidx++] != 'x') && (buffidx < BUFFER_LEN_LOD) ); |
assert(buffidx == BUFFER_LEN_LOD,1); // Overrun buffer? |
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//---WDT |
restart_wdt(); |
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checksum = 0; // Sum the bytes to find the check sum value |
for (i=0; i<(buffidx-3); i+=2) |
checksum += atoi_b16 (&buffer[i]); |
checksum = 0xFF - checksum + 1; |
assert(checksum != atoi_b16 (&buffer[buffidx-3]),2); // Bad CheckSum? |
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count = atoi_b16 (&buffer[0]); // Get the number of bytes from the buffer |
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// Get the lower 16 bits of address |
l_addr = make16(atoi_b16(&buffer[2]),atoi_b16(&buffer[4])); |
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line_type = atoi_b16 (&buffer[6]); |
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addr = make32(h_addr,l_addr); |
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addr /= 2; // PIC16 uses word addresses |
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// If the line type is 1, then data is done being sent |
if (line_type == 1) |
{ |
putchar('#'); |
reset_cpu(); |
} |
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assert (line_type == 4,4); |
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//!!! pozor, nevypalilo by to obsluhu preruseni |
if (addr > 3 || addr < LOADER_RESERVED) |
{ |
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if (line_type == 0) |
{ |
for (i=0,next_addr=addr;i<8;i++) |
data.i16[i]=read_program_eeprom(next_addr++); |
// Loops through all of the data and stores it in data |
// The last 2 bytes are the check sum, hence buffidx-3 |
for (i=8,dataidx=0; i < buffidx-3; i += 2) |
data.i8[dataidx++]=atoi_b16(&buffer[i]); |
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write_program_memory(addr, data.i8, count); |
} |
putchar('*'); |
} |
} |
} |
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#ORG default |
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#ORG getenv("PROGRAM_MEMORY")-200,getenv("PROGRAM_MEMORY")-1 |
void main() |
{ |
int8 timeout; |
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disable_interrupts(GLOBAL); |
setup_wdt(WDT_2304MS); // Setup Watch Dog |
setup_adc_ports(NO_ANALOGS); |
setup_adc(ADC_OFF); |
setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); |
setup_timer_1(T1_DISABLED); |
setup_timer_2(T2_DISABLED,0,1); |
setup_comparator(NC_NC_NC_NC); |
setup_vref(FALSE); |
setup_oscillator(OSC_8MHZ|OSC_INTRC); |
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/* |
for(timeout=0; timeout<(3*20); timeout++) //cca 20s |
if (kbhit()) |
{ |
if (getc()=='u') if (getc()=='f') boot_loader(); // Update Firmware starter |
pause(); |
CREN=0; CREN=1; |
restart_wdt(); |
}; |
*/ |
real_main(); |
} |
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#include "dbloader.c" |
#include "dbloader.c" // Space reservation for the BootLoader |