105 lines
1.5 KiB
C
105 lines
1.5 KiB
C
#include <hwo/logcsr.h>
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#include <avr/wdt.h>
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#include <hwo/utils.h>
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <stdint.h>
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#include <stdlib.h>
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#ifndef MCUCSR
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#define MCUCSR MCUSR
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#endif
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extern struct avr_eeprom_desc __ee_desc;
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uint8_t _mcucsr;
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void log_csr(void)
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{
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LogCSR *log = malloc(sizeof(LogCSR));
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wdt_reset();
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if (log)
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{
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eeprom_load(__ee_desc.num_banks-1,&log->eeprom);
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if (log->wp >= 0x10)
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log->wp = 0x00;
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_mcucsr = log->mcucsr[log->wp] = MCUCSR;
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if (!MCUCSR)
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_mcucsr = log->mcucsr[log->wp] |= 0x80;
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log->wp++;
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MCUCSR = 0x00;
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wdt_reset();
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eeprom_save(__ee_desc.num_banks-1,&log->eeprom);
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free(log);
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if (_mcucsr & 0x80)
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{
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ATOMIC
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wdt_enable(WDTO_250MS);
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while (1);
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};
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};
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};
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#if defined(DEBUG_BADIRQ)
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void __bad_irq(uint16_t ret){
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LogCSR *log = malloc(sizeof(LogCSR));
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wdt_reset();
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eeprom_load(__ee_desc.num_banks-1,&log->eeprom);
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if (log->wp >= 0x10)
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log->wp = 0x00;
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_mcucsr = log->mcucsr[log->wp] = 0xAA;
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log->wp++;
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_mcucsr = log->mcucsr[log->wp] = 0x55;
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log->wp++;
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_mcucsr = log->mcucsr[log->wp] = SREG;
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log->wp++;
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_mcucsr = log->mcucsr[log->wp] = ret & 0xFF;
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log->wp++;
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_mcucsr = log->mcucsr[log->wp] = (ret >> 8) & 0xff;
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log->wp++;
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_mcucsr = log->mcucsr[log->wp] = 0xAA;
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log->wp++;
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wdt_reset();
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eeprom_save(__ee_desc.num_banks-1,&log->eeprom);
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free(log);
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{
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ATOMIC
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wdt_enable(WDTO_250MS);
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while (1);
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};
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}
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ISR(BADISR_vect)
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{
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intptr_t sp = SP;
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uint16_t r;
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sp += 4;
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r = ((*(char*)sp)<<8)|((*(char*)sp+1));
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r <<= 1;
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__bad_irq(r);
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};
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#endif
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