X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fgoodfet.c;h=900e8363278767d03647baf639f86a403cd6ef3a;hp=8ff94b641f3686d8e376883a040a96cc39c924ea;hb=d4a4c6dfcfbe972cfed51bb0f549e7c6dccae232;hpb=6dc88d2f1713d2bf9f2fabb5fbfb9f235a679b2f diff --git a/firmware/goodfet.c b/firmware/goodfet.c index 8ff94b6..900e836 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 @@ -22,22 +22,32 @@ 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(); } + //! Handle a command. 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; @@ -56,6 +66,9 @@ void handle(unsigned char app, case JTAG: jtaghandle(app,verb,len); break; + case EJTAG: + ejtaghandle(app,verb,len); + break; case JTAG430: //Also JTAG430X, JTAG430X2 jtag430x2handle(app,verb,len); break; @@ -64,9 +77,9 @@ void handle(unsigned char app, pluginhandle(app,verb,len); }else{ debugstr("Plugin missing."); + debughex(app); txdata(app,NOK,0); } - break; } } @@ -77,15 +90,38 @@ 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();