//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);
- ADC12CTL0 = REF2_5V + REFON; // Internal 2.5V ref on
- //for(i=0;i!=0xFFFF;i++) asm("nop"); //DO NOT UNCOMMENT, break GCC4.
+ ADC12CTL0 = REF2_5V + REFON; // Internal 2.5V ref on
+ for(i=0;i!=0xFFFF;i++) asm("nop");
DAC12_0CTL = DAC12IR + DAC12AMP_5 + DAC12ENC; // Int ref gain 1
DAC12_0DAT = 0xFFF; //Max voltage 0xfff
DAC12_1CTL = DAC12IR + DAC12AMP_5 + DAC12ENC; // Int ref gain 1
/** FIXME
This part is really ugly. GSEL (P5.7) must be high to select
- normal voltage, but a lot of applications like to swing it low
+ normal voltage, but a lot of applications light to swing it low
to be a nuissance. To get around this, we assume that anyone
with a glitching FET will also have a DAC, then we set that DAC
to a high voltage.
//Enable Interrupts.
//eint();
-
-
-
- #ifdef INITPLATFORM
- INITPLATFORM;
- #endif
}
//! Handle a command.
void handle(uint8_t const app,
- uint8_t const verb,
- uint32_t const len){
- int i;
-
- //debugstr("GoodFET");
- PLEDOUT&=~PLEDPIN;
-
- // find the app and call the handle fn
- for(i = 0; i < num_apps; i++){
- if(apps[i]->app == app){
- // call the app's handle fn
- (*(apps[i]->handle))(app, verb, len);
-
- // exit early
- return;
- }
- }
-
- // if we get here, then the desired app is not copiled in
- // this firmware
- debugstr("App missing.");
- debughex(app);
- txdata(app, NOK, 0);
+ uint8_t const verb,
+ uint32_t const len)
+{
+ int i;
+
+ //debugstr("GoodFET");
+ PLEDOUT&=~PLEDPIN;
+
+ // find the app and call the handle fn
+ for(i = 0; i < num_apps; i++)
+ {
+ if(apps[i]->app == app)
+ {
+ // call the app's handle fn
+ (*(apps[i]->handle))(app, verb, len);
+
+ // exit early
+ return;
+ }
+ }
+
+ // if we get here, then the desired app is not copiled in
+ // this firmware
+ debugstr("App missing.");
+ debughex(app);
+ txdata(app, NOK, 0);
}
//! Main loop.
-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();
+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/");
+ 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 == RESET){
- 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();
-
- //Read data, looking for buffer overflow.y
- if(len <= CMDDATALEN){
- for(i = 0; i < len; i++){
- cmddata[i] = serial_rx();
- }
-
- handle(app,verb,len);
- }else{
- //Listen to the blaberring.
- for(i = 0; i < len; i++)
- serial_rx();
-
- //Reply with an error.
- debugstr("Buffer length exceeded.");
- txdata(MONITOR,NOK,0);
- }
- }
+ //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 == RESET)
+ {
+ 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();
+
+ //Read data, looking for buffer overflow.y
+ if(len <= CMDDATALEN)
+ {
+ for(i = 0; i < len; i++)
+ {
+ cmddata[i] = serial_rx();
+ }
+
+ handle(app,verb,len);
+ }
+ else
+ {
+ //Listen to the blaberring.
+ for(i = 0; i < len; i++)
+ serial_rx();
+
+ //Reply with an error.
+ debugstr("Buffer length exceeded.");
+ txdata(MONITOR,NOK,0);
+ }
+ }
}
projects / goodfet / blobdiff