WDT_HIT();
for (i=0; i<size; i++){
- //if ((i%4==3) fcAll(0,&n));
if (BitStream[i] == invert){
fcAll(fcLow, &n, clk);
} else {
LED_A_OFF();
}
+//carrier can be 2,4 or 8
+static void pskSimBit(uint8_t waveLen, int *n, uint8_t clk, uint8_t *curPhase, bool phaseChg)
+{
+ uint8_t *dest = BigBuf_get_addr();
+ uint8_t idx;
+ int i = 0;
+ if (phaseChg){
+ // write phase change
+ for (i=0; i < waveLen/2; i++){
+ dest[((*n)++)] = *curPhase^1;
+ }
+ for (i=0; i < waveLen/2; i++){
+ dest[((*n)++)] = *curPhase;
+ }
+ *curPhase ^= 1;
+ }
+ //write each normal clock wave for the clock duration
+ for (; i < clk; i+=waveLen){
+ for (idx=0; idx<waveLen/2; idx++){
+ dest[((*n)++)] = *curPhase;
+ }
+ for (idx=0; idx<waveLen/2; idx++){
+ dest[((*n)++)] = *curPhase^1;
+ }
+ }
+}
+
+// args clock, carrier, invert,
+void CmdPSKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream)
+{
+ int ledcontrol=1;
+ int n=0, i=0;
+ uint8_t clk = arg1 >> 8;
+ uint8_t carrier = arg1 & 0xFF;
+ uint8_t invert = arg2 & 0xFF;
+ uint8_t phase = carrier/2; //extra phase changing bits = 1/2 a carrier wave to change the phase
+ //uint8_t invert = (arg2 >> 8) & 1;
+ uint8_t curPhase = 0;
+ WDT_HIT();
+ for (i=0; i<size; i++){
+ if (BitStream[i] == curPhase){
+ pskSimBit(carrier, &n, clk, &curPhase, FALSE);
+ } else {
+ pskSimBit(phase, &n, clk, &curPhase, TRUE);
+ }
+ }
+ Dbprintf("Simulating with Carrier: %d, clk: %d, invert: %d, n: %d",carrier, clk, invert, n);
+ Dbprintf("First 64:");
+ uint8_t *dest = BigBuf_get_addr();
+ i=0;
+ Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
+ i+=16;
+ Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
+ i+=16;
+ Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
+ i+=16;
+ Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
+
+ if (ledcontrol)
+ LED_A_ON();
+ SimulateTagLowFrequency(n, 0, ledcontrol);
+
+ if (ledcontrol)
+ LED_A_OFF();
+}
+
// loop to get raw HID waveform then FSK demodulate the TAG ID from it
void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
{