X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fgoodfet.c;h=53591509c91d11d567ba031b7a09803f35a642a5;hp=b08313f01c1d71857aefc51446d86df3f3fab3e8;hb=6e4a1014e1ddfdf63dbf07fa3fdcaa1fdca99bab;hpb=c63fa4693820603a0444cc323ca34ad0b8fa9791 diff --git a/firmware/goodfet.c b/firmware/goodfet.c index b08313f..5359150 100644 --- a/firmware/goodfet.c +++ b/firmware/goodfet.c @@ -28,6 +28,11 @@ void init(){ msp430_init_dco(); msp430_init_uart(); + //DAC should be at full voltage if it exists. + #ifdef DAC12IR + glitchvoltages(0xfff,0xfff); + #endif + //Enable Interrupts. //eint(); } @@ -38,6 +43,7 @@ void handle(unsigned char app, unsigned char verb, unsigned long len){ //debugstr("GoodFET"); + P1OUT&=~1; switch(app){ case GLITCH: glitchhandle(app,verb,len); @@ -68,9 +74,9 @@ void handle(unsigned char app, pluginhandle(app,verb,len); }else{ debugstr("Plugin missing."); + debughex(app); txdata(app,NOK,0); } - break; } } @@ -81,10 +87,12 @@ int main(void) volatile unsigned int i; unsigned char app, verb; unsigned long len; + // MSP reboot count for reset input & reboot function located at 0xFFFE + volatile unsigned int reset_count = 0; + void (*reboot_function)(void) = (void *) 0xFFFE; init(); - glitchsetup(); - + txstring(MONITOR,OK,"http://goodfet.sf.net/"); @@ -92,6 +100,25 @@ int main(void) while(1){ //Magic 3 app=serial_rx(); + + // If the app is the reset byte (0x80) increment and loop + if (app == 0x80) { + reset_count++; + + if (reset_count > 4) { + // We could trigger the WDT with either: + // WDTCTL = 0; + // or + // WDTCTL = WDTPW + WDTCNTCL + WDTSSEL + 0x00; + // but instead we'll jump to our reboot function pointer + (*reboot_function)(); + } + + continue; + } else { + reset_count = 0; + } + verb=serial_rx(); //len=serial_rx(); len=rxword();