diff --git a/hardware/bootloaders/atmega168/ATmegaBOOT_168.c b/hardware/bootloaders/atmega168/ATmegaBOOT_168.c index c542af144..7bbf24e24 100755 --- a/hardware/bootloaders/atmega168/ATmegaBOOT_168.c +++ b/hardware/bootloaders/atmega168/ATmegaBOOT_168.c @@ -251,7 +251,19 @@ int main(void) uint8_t ch,ch2; uint16_t w; +#ifdef WATCHDOG_MODS + ch = MCUSR; + MCUSR = 0; + + WDTCSR |= _BV(WDCE) | _BV(WDE); + WDTCSR = 0; + + // Check if the WDT was used to reset, in which case we dont bootload and skip straight to the code. woot. + if (! (ch & _BV(EXTRF))) // if its a not an external reset... + app_start(); // skip bootloader +#else asm volatile("nop\n\t"); +#endif /* set pin direction for bootloader pin and enable pullup */ /* for ATmega128, two pins need to be initialized */ @@ -445,6 +457,11 @@ int main(void) /* Leave programming mode */ else if(ch=='Q') { nothing_response(); +#ifdef WATCHDOG_MODS + // autoreset via watchdog (sneaky!) + WDTCSR = _BV(WDE); + while (1); // 16 ms +#endif } diff --git a/hardware/bootloaders/atmega168/ATmegaBOOT_168_pro_8MHz.hex b/hardware/bootloaders/atmega168/ATmegaBOOT_168_pro_8MHz.hex index f1d4fb0ec..03ff00cd0 100644 --- a/hardware/bootloaders/atmega168/ATmegaBOOT_168_pro_8MHz.hex +++ b/hardware/bootloaders/atmega168/ATmegaBOOT_168_pro_8MHz.hex @@ -5,7 +5,7 @@ :103840000C944F1C0C944F1C0C944F1C0C944F1C4C :103850000C944F1C0C944F1C0C944F1C0C944F1C3C :103860000C944F1C0C944F1C11241FBECFEFD4E0BE -:10387000DEBFCDBF11E0A0E0B1E0E8E1FFE302C0B0 +:10387000DEBFCDBF11E0A0E0B1E0ECE3FFE302C0AA 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+:103ED0000CF000531295107F100F812F992787FD4A +:103EE00090951F910F9108951F93282F992787FD73 +:103EF0009095807F907095958795959587959595E8 +:103F00008795959587958A304CF0982F995A822FEE +:103F10008F708A304CF0182F195A08C0982F905D76 +:103F2000822F8F708A30BCF7182F105D892F0E9466 +:0C3F3000E41C812F0E94E41C1F910895E6 +:023F3C00800003 :0400000300003800C1 :00000001FF diff --git a/hardware/bootloaders/atmega168/Makefile b/hardware/bootloaders/atmega168/Makefile index 6be8dbed7..c55cfc9aa 100755 --- a/hardware/bootloaders/atmega168/Makefile +++ b/hardware/bootloaders/atmega168/Makefile @@ -81,21 +81,21 @@ lilypad_resonator: HFUSE = DD lilypad_resonator: LFUSE = C6 pro8: TARGET = pro_8MHz -pro8: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>4' '-DNUM_LED_FLASHES=1' +pro8: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>4' '-DNUM_LED_FLASHES=1' '-DWATCHDOG_MODS' pro8: $(PROGRAM)_pro_8MHz.hex pro8: AVR_FREQ = 8000000L pro8: HFUSE = DD pro8: LFUSE = C6 pro16: TARGET = pro_16MHz -pro16: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>4' '-DNUM_LED_FLASHES=1' +pro16: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>4' '-DNUM_LED_FLASHES=1' '-DWATCHDOG_MODS' pro16: $(PROGRAM)_pro_16MHz.hex pro16: AVR_FREQ = 16000000L pro16: HFUSE = DD pro16: LFUSE = C6 pro20: TARGET = pro_20mhz -pro20: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>4' '-DNUM_LED_FLASHES=1' +pro20: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>4' '-DNUM_LED_FLASHES=1' '-DWATCHDOG_MODS' pro20: $(PROGRAM)_pro_20mhz.hex pro20: AVR_FREQ = 20000000L pro20: HFUSE = DD