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Cleaning up the glitching scripts.
[goodfet]
/
firmware
/
apps
/
glitch
/
glitch.c
diff --git
a/firmware/apps/glitch/glitch.c
b/firmware/apps/glitch/glitch.c
index
4a50438
..
8b43594
100644
(file)
--- a/
firmware/apps/glitch/glitch.c
+++ b/
firmware/apps/glitch/glitch.c
@@
-30,6
+30,7
@@
void glitchsetup(){
//Normal voltage, use resistors instead of output.
//P5DIR=0x80; //ONLY glitch pin is output.
//Normal voltage, use resistors instead of output.
//P5DIR=0x80; //ONLY glitch pin is output.
+ P5DIR|=0x80; //glitch pin is output.
P5OUT|=0x80; //It MUST begin high.
//P5REN|=0x7F; //Resistors pull high and low weakly.
P5OUT|=0x80; //It MUST begin high.
//P5REN|=0x7F; //Resistors pull high and low weakly.
@@
-46,9
+47,18
@@
void glitchsetup(){
// Timer A0 interrupt service routine
interrupt(TIMERA0_VECTOR) Timer_A (void){
// Timer A0 interrupt service routine
interrupt(TIMERA0_VECTOR) Timer_A (void){
+ //This oughtn't be necessary, but glitches repeat without it.
+ TACTL=0; //disable counter.
+
+
P5OUT^=BIT7;//Glitch
P5OUT^=BIT7;//Glitch
- //
P5DIR=BIT7; //All else high impedance
.
+ //
asm("nop"); //delay deepens glitch
.
P5OUT^=BIT7;//Normal
P5OUT^=BIT7;//Normal
+
+ //This oughtn't be necessary, but glitches repeat without it.
+ TACTL=0; //disable counter.
+
+ //P5OUT^=BIT7;//Normal
return;
}
return;
}
@@
-107,6
+117,7
@@
void glitchhandle(unsigned char app,
case GLITCHVERB:
//FIXME parameters don't work yet.
glitchprime();
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;
handle(cmddata[0],cmddata[1],0);
TACTL |= MC0;// Stop Timer_A;
break;
@@
-119,20
+130,22
@@
void glitchhandle(unsigned char app,
//perform the function
silent++;//Don't want the function to return anything.
//perform the function
silent++;//Don't want the function to return anything.
+ TAR=0;
handle(cmddata[0],cmddata[1],0);
handle(cmddata[0],cmddata[1],0);
- silent--;
cmddataword[0]=TAR; //Return counter.
cmddataword[0]=TAR; //Return counter.
+ silent--;
txdata(app,verb,2);
break;
case START:
//Testing mode, for looking at the glitch waveform.
txdata(app,verb,2);
break;
case START:
//Testing mode, for looking at the glitch waveform.
- glitchvoltages(0xFFF,0);//Inverted VCC and GND.
+ glitchvoltages(0,0xFFF);//Minimum glitch, for noise test.
+ //glitchvoltages(0,0);//Drop VCC
+ //glitchvoltages(0xFFF,0xFFF);//Raise Ground
P5OUT|=BIT7;//Normal
P5DIR|=BIT7;
while(1){
P5OUT&=~BIT7;//Glitch
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");
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");