X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fapps%2Fglitch%2Fglitch.c;h=53b037682cfad9fee95abfbd4bf064979cc2d26a;hp=6e63b91a22f902006b8c86ba1db324f4bfb991f8;hb=f10e55ab25dfe0b4114a1700920a1433708e8fcd;hpb=83a29da6187d81430105b48abee72b7a59084369;ds=sidebyside diff --git a/firmware/apps/glitch/glitch.c b/firmware/apps/glitch/glitch.c index 6e63b91..53b0376 100644 --- a/firmware/apps/glitch/glitch.c +++ b/firmware/apps/glitch/glitch.c @@ -39,17 +39,16 @@ void glitchsetup(){ WDTCTL = WDTPW + WDTHOLD; // Stop WDT TACTL = TASSEL1 + TACLR; // SMCLK, clear TAR CCTL0 = CCIE; // CCR0 interrupt enabled - CCR0 = glitchcount+0x15; //clock divider - TACTL |= MC_3; + CCR0 = glitchcount+0x10; // Compare Value + TACTL |= MC_2; // continuous mode. #endif } // Timer A0 interrupt service routine interrupt(TIMERA0_VECTOR) Timer_A (void){ - P5OUT&=~BIT7;//Glitch + P5OUT^=BIT7;//Glitch //P5DIR=BIT7; //All else high impedance. - P5OUT|=BIT7;//Normal - TACTL |= MC0;// Stop Timer_A; + P5OUT^=BIT7;//Normal return; } @@ -95,7 +94,6 @@ void glitchrate(u16 rate){ void glitchhandle(unsigned char app, unsigned char verb, unsigned long len){ - P1OUT&=~1; switch(verb){ case GLITCHVOLTAGES: glitchvoltages(cmddataword[0], @@ -109,30 +107,34 @@ void glitchhandle(unsigned char app, case GLITCHVERB: //FIXME parameters don't work yet. glitchprime(); + TAR=0; //Reset clock. handle(cmddata[0],cmddata[1],0); + TACTL |= MC0;// Stop Timer_A; break; case GLITCHTIME: _DINT();//disable interrupts TACTL=0; //clear dividers TACTL|=TACLR; //clear config TACTL|=TASSEL_SMCLK| //smclk source - MC_2; //continuout mode. + MC_2; //continuous mode. //perform the function silent++;//Don't want the function to return anything. + TAR=0; handle(cmddata[0],cmddata[1],0); - silent--; cmddataword[0]=TAR; //Return counter. + silent--; txdata(app,verb,2); break; case START: + //Testing mode, for looking at the glitch waveform. glitchvoltages(0xFFF,0);//Inverted VCC and GND. P5OUT|=BIT7;//Normal P5DIR|=BIT7; while(1){ P5OUT&=~BIT7;//Glitch //asm("nop");//asm("nop");asm("nop");asm("nop");asm("nop");asm("nop"); - asm("nop"); //Not necessary. + //asm("nop"); //Not necessary. P5OUT|=BIT7;//Normal asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop"); asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");