X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fgoodfet.c;h=53591509c91d11d567ba031b7a09803f35a642a5;hp=b9485aa5b87d233347adb8b8bf56b5428314ef66;hb=6e4a1014e1ddfdf63dbf07fa3fdcaa1fdca99bab;hpb=d8eef3ccb487fb87b2aca1dc6a0bd9b9bbe31861 diff --git a/firmware/goodfet.c b/firmware/goodfet.c index b9485aa..5359150 100644 --- a/firmware/goodfet.c +++ b/firmware/goodfet.c @@ -10,7 +10,7 @@ #include "platform.h" #include "command.h" #include "apps.h" - +#include "glitch.h" //LED on P1.0 @@ -22,12 +22,17 @@ void init(){ //LED out and on. PLEDDIR |= PLEDPIN; - PLEDOUT |= PLEDPIN; + PLEDOUT &= ~PLEDPIN; //Setup clocks, unique to each '430. msp430_init_dco(); msp430_init_uart(); + //DAC should be at full voltage if it exists. + #ifdef DAC12IR + glitchvoltages(0xfff,0xfff); + #endif + //Enable Interrupts. //eint(); } @@ -38,7 +43,11 @@ void handle(unsigned char app, unsigned char verb, unsigned long len){ //debugstr("GoodFET"); + P1OUT&=~1; switch(app){ + case GLITCH: + glitchhandle(app,verb,len); + break; case MONITOR: monitorhandle(app,verb,len); break; @@ -65,9 +74,9 @@ void handle(unsigned char app, pluginhandle(app,verb,len); }else{ debugstr("Plugin missing."); + debughex(app); txdata(app,NOK,0); } - break; } } @@ -78,15 +87,38 @@ 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(); - + txstring(MONITOR,OK,"http://goodfet.sf.net/"); + //Command loop. There's no end! 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();