#define FREQLO 123200
#define FREQHI 134200
- signed char *dest = (signed char *)BigBuf;
- int n = sizeof(BigBuf);
+ signed char *dest = (signed char *)BigBuf_get_addr();
+ uint16_t n = BigBuf_max_traceLen();
// 128 bit shift register [shift3:shift2:shift1:shift0]
uint32_t shift3 = 0, shift2 = 0, shift1 = 0, shift0 = 0;
#define TIBUFLEN 1250
// clear buffer
- memset(BigBuf,0,sizeof(BigBuf));
+ uint32_t *BigBuf = (uint32_t *)BigBuf_get_addr();
+ memset(BigBuf,0,BigBuf_max_traceLen()/sizeof(uint32_t));
// Set up the synchronous serial port
AT91C_BASE_PIOA->PIO_PDR = GPIO_SSC_DIN;
AT91C_BASE_PIOA->PIO_PDR = GPIO_SSC_DOUT;
AT91C_BASE_PIOA->PIO_ASR = GPIO_SSC_DIN | GPIO_SSC_DOUT;
- char *dest = (char *)BigBuf;
+ char *dest = (char *)BigBuf_get_addr();
n = TIBUFLEN*32;
// unpack buffer
for (i=TIBUFLEN-1; i>=0; i--) {
void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
{
int i;
- uint8_t *tab = (uint8_t *)BigBuf;
+ uint8_t *tab = BigBuf_get_addr();
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT);
AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;
AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_CLK;
-#define SHORT_COIL() LOW(GPIO_SSC_DOUT)
-#define OPEN_COIL() HIGH(GPIO_SSC_DOUT)
+ #define SHORT_COIL() LOW(GPIO_SSC_DOUT)
+ #define OPEN_COIL() HIGH(GPIO_SSC_DOUT)
i = 0;
for(;;) {
+ //wait until SSC_CLK goes HIGH
while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) {
if(BUTTON_PRESS()) {
DbpString("Stopped");
}
WDT_HIT();
}
-
if (ledcontrol)
LED_D_ON();
if (ledcontrol)
LED_D_OFF();
-
+ //wait until SSC_CLK goes LOW
while(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK) {
if(BUTTON_PRESS()) {
DbpString("Stopped");
return;
}
WDT_HIT();
+ }
+
+ i++;
+ if(i == period) {
+
+ i = 0;
+ if (gap) {
+ SHORT_COIL();
+ SpinDelayUs(gap);
+ }
+ }
+ }
+}
+
+//Testing to fix timing issues by marshmellow (MM)
+void SimulateTagLowFrequencyMM(int period, int gap, int ledcontrol)
+{
+ int i;
+ uint8_t *tab = BigBuf_get_addr();
+
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT);
+
+ AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT | GPIO_SSC_CLK;
+
+ AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;
+ AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_CLK;
+
+ #define SHORT_COIL() LOW(GPIO_SSC_DOUT)
+ #define OPEN_COIL() HIGH(GPIO_SSC_DOUT)
+
+ i = 0;
+ while(!BUTTON_PRESS()) {
+
+ WDT_HIT();
+ //wait until reader carrier is HIGH
+ while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) {
+ WDT_HIT();
}
+ if (i>0){
+ if (tab[i]!=tab[i-1]){
+ // transition
+ if (ledcontrol)
+ LED_D_ON();
+
+ // modulate coil
+ if(tab[i])
+ OPEN_COIL();
+ else
+ SHORT_COIL();
+
+ if (ledcontrol)
+ LED_D_OFF();
+
+ } else { //no transition
+ //NOTE: it appears the COIL transition messes with the detection of the carrier, so if a transition happened
+ // skip test for readers Carrier = LOW, otherwise we get a bit behind
+
+ //wait until reader carrier is LOW
+ while(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK) {
+ WDT_HIT();
+ }
+ }
+ } else {
+ // transition
+ if (ledcontrol)
+ LED_D_ON();
+ // modulate coil
+ if(tab[i])
+ OPEN_COIL();
+ else
+ SHORT_COIL();
+
+ if (ledcontrol)
+ LED_D_OFF();
+ }
+ WDT_HIT();
+
+
i++;
- if(i == period) {
+ if(i == period) {
+ // end of data stream, gap then repeat
i = 0;
if (gap) {
SHORT_COIL();
}
}
}
+ DbpString("Stopped");
+ return;
}
#define DEBUG_FRAME_CONTENTS 1
{
}
-// compose fc/8 fc/10 waveform
-static void fc(int c, int *n) {
- uint8_t *dest = (uint8_t *)BigBuf;
+// compose fc/8 fc/10 waveform (FSK2)
+static void fc(int c, int *n)
+{
+ uint8_t *dest = BigBuf_get_addr();
int idx;
// for when we want an fc8 pattern every 4 logical bits
if(c==0) {
dest[((*n)++)]=1;
dest[((*n)++)]=1;
- dest[((*n)++)]=0;
- dest[((*n)++)]=0;
+ dest[((*n)++)]=1;
+ dest[((*n)++)]=1;
dest[((*n)++)]=0;
dest[((*n)++)]=0;
dest[((*n)++)]=0;
dest[((*n)++)]=0;
}
+
// an fc/8 encoded bit is a bit pattern of 11000000 x6 = 48 samples
if(c==8) {
for (idx=0; idx<6; idx++) {
dest[((*n)++)]=1;
dest[((*n)++)]=1;
- dest[((*n)++)]=0;
- dest[((*n)++)]=0;
+ dest[((*n)++)]=1;
+ dest[((*n)++)]=1;
dest[((*n)++)]=0;
dest[((*n)++)]=0;
dest[((*n)++)]=0;
// an fc/10 encoded bit is a bit pattern of 1110000000 x5 = 50 samples
if(c==10) {
for (idx=0; idx<5; idx++) {
+ dest[((*n)++)]=1;
+ dest[((*n)++)]=1;
dest[((*n)++)]=1;
dest[((*n)++)]=1;
dest[((*n)++)]=1;
dest[((*n)++)]=0;
dest[((*n)++)]=0;
dest[((*n)++)]=0;
- dest[((*n)++)]=0;
- dest[((*n)++)]=0;
+ }
+ }
+}
+// compose fc/X fc/Y waveform (FSKx)
+static void fcAll(uint8_t c, int *n, uint8_t clock, uint16_t *modCnt)
+{
+ uint8_t *dest = BigBuf_get_addr();
+ uint8_t idx;
+ uint8_t fcCnt;
+ // c = count of field clock for this bit
+ uint8_t mod = clock % c;
+ uint8_t modAdj = c/mod;
+ bool modAdjOk=FALSE;
+ if (c % mod==0) modAdjOk=TRUE;
+ // loop through clock - step field clock
+ for (idx=0; idx < (uint8_t) clock/c; idx++){
+ // loop through field clock length - put 1/2 FC length 1's and 1/2 0's per field clock wave (to create the wave)
+ for (fcCnt=0; fcCnt < c; fcCnt++){ //fudge slow transition from low to high - shorten wave by 1
+ if (fcCnt < c/2+1){
+ dest[((*n)++)]=0;
+ } else {
+ //fudge low to high transition
+ //if (idx==clock/c && dest[*n-1]==1 && mod>0) dest[((*n++))]=0;
+ //if (c==8 && fcCnt==5) continue;
+ dest[((*n)++)]=1;
+ }
+ }
+ }
+ if (mod>0) (*modCnt)++;
+ if ((mod>0) && modAdjOk){ //fsk2
+ if ((*modCnt % modAdj) == 0){ //if 4th 8 length wave in a rf/50 add extra 8 length wave
+ for (fcCnt=0; fcCnt < c; fcCnt++){ //fudge slow transition from low to high - shorten wave by 1
+ if (fcCnt < c/2+1){
+ dest[((*n)++)]=0;
+ } else {
+ //if (c==8 && fcCnt==5) continue;
+ dest[((*n)++)]=1;
+ }
+ }
+ }
+ }
+ //Dbprintf("mod: %d, modAdj %d, modc %d",mod, modAdj, c % mod);
+ if (mod>0 && !modAdjOk){ //fsk1
+ for (idx=0; idx < mod; idx++){
+ if (idx < mod/2) {
+ dest[((*n)++)]=0;
+ } else {
+ dest[((*n)++)]=1;
+ }
}
}
}
LED_A_OFF();
}
+// prepare a waveform pattern in the buffer based on the ID given then
+// simulate a FSK tag until the button is pressed
+// arg1 contains fcHigh and fcLow, arg2 contains invert and clock
+void CmdFSKsimTAG(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream)
+{
+ int ledcontrol=1;
+ int n=0, i=0;
+ uint8_t fcHigh = arg1 >> 8;
+ uint8_t fcLow = arg1 & 0xFF;
+ uint16_t modCnt = 0;
+ //spacer bit
+ uint8_t clk = arg2 & 0xFF;
+ uint8_t invert = (arg2 >> 8) & 1;
+ //fcAll(0, &n, clk);
+
+ WDT_HIT();
+ for (i=0; i<size; i++){
+ if (BitStream[i] == invert){
+ fcAll(fcLow, &n, clk, &modCnt);
+ } else {
+ fcAll(fcHigh, &n, clk, &modCnt);
+ }
+ }
+ Dbprintf("Simulating with fcHigh: %d, fcLow: %d, clk: %d, invert: %d, n: %d",fcHigh, fcLow, 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]);
+ 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]);
+ 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]);
+ 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]);
+ 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();
+ SimulateTagLowFrequencyMM(n, 0, ledcontrol);
+
+ if (ledcontrol)
+ LED_A_OFF();
+}
+
+// compose ask waveform for one bit(ASK)
+static void askSimBit(uint8_t c, int *n, uint8_t clock, uint8_t manchester)
+{
+ uint8_t *dest = BigBuf_get_addr();
+ uint8_t idx;
+ // c = current bit 1 or 0
+ int i = 0;
+ // for when we want a separator
+ if (c==2) { //separator
+ for (i=0; i<clock/2; i++){
+ dest[((*n)++)]=0;
+ }
+ } else {
+ if (manchester){
+ for (idx=0; idx < (uint8_t) clock/2; idx++){
+ dest[((*n)++)]=c;
+ }
+ for (idx=0; idx < (uint8_t) clock/2; idx++){
+ dest[((*n)++)]=c^1;
+ }
+ } else {
+ for (idx=0; idx < (uint8_t) clock; idx++){
+ dest[((*n)++)]=c;
+ }
+ }
+ }
+}
+
+// args clock, ask/man or askraw, invert, transmission separator
+void CmdASKsimTag(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) & 0xFF;
+ uint8_t manchester = arg1 & 1;
+ uint8_t separator = arg2 & 1;
+ uint8_t invert = (arg2 >> 8) & 1;
+ WDT_HIT();
+ for (i=0; i<size; i++){
+ askSimBit(BitStream[i]^invert, &n, clk, manchester);
+ }
+ if (separator==1) Dbprintf("sorry but separator option not yet available"); //askSimBit(2, &n, clk, manchester);
+
+ Dbprintf("Simulating with clk: %d, invert: %d, manchester: %d, separator: %d, n: %d",clk, invert, manchester, separator, n);
+ //DEBUG
+ //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();
+ SimulateTagLowFrequencyMM(n, 0, ledcontrol);
+
+ if (ledcontrol)
+ 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(carrier, &n, clk, &curPhase, TRUE);
+ }
+ }
+ Dbprintf("Simulating with Carrier: %d, clk: %d, invert: %d, n: %d",carrier, clk, invert, n);
+ Dbprintf("First 128:");
+ 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]);
+ 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]);
+ 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();
+ SimulateTagLowFrequencyMM(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)
{
- uint8_t *dest = (uint8_t *)BigBuf;
-
- size_t size=0; //, found=0;
+ uint8_t *dest = BigBuf_get_addr();
+ const size_t sizeOfBigBuff = BigBuf_max_traceLen();
+ size_t size = 0;
uint32_t hi2=0, hi=0, lo=0;
-
+ int idx=0;
// Configure to go in 125Khz listen mode
LFSetupFPGAForADC(95, true);
DoAcquisition_default(-1,true);
// FSK demodulator
- size = HIDdemodFSK(dest, sizeof(BigBuf), &hi2, &hi, &lo);
-
- WDT_HIT();
-
- if (size>0 && lo>0){
+ size = sizeOfBigBuff; //variable size will change after demod so re initialize it before use
+ idx = HIDdemodFSK(dest, &size, &hi2, &hi, &lo);
+
+ if (idx>0 && lo>0){
// final loop, go over previously decoded manchester data and decode into usable tag ID
// 111000 bit pattern represent start of frame, 01 pattern represents a 1 and 10 represents a 0
if (hi2 != 0){ //extra large HID tags
}
if (findone){
if (ledcontrol) LED_A_OFF();
+ *high = hi;
+ *low = lo;
return;
}
// reset
void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol)
{
- uint8_t *dest = (uint8_t *)BigBuf;
+ uint8_t *dest = BigBuf_get_addr();
- size_t size=0;
- int clk=0, invert=0, errCnt=0;
+ size_t size=0, idx=0;
+ int clk=0, invert=0, errCnt=0, maxErr=20;
uint64_t lo=0;
// Configure to go in 125Khz listen mode
LFSetupFPGAForADC(95, true);
if (ledcontrol) LED_A_ON();
DoAcquisition_default(-1,true);
- size = sizeof(BigBuf);
+ size = BigBuf_max_traceLen();
//Dbprintf("DEBUG: Buffer got");
//askdemod and manchester decode
- errCnt = askmandemod(dest, &size, &clk, &invert);
+ errCnt = askmandemod(dest, &size, &clk, &invert, maxErr);
//Dbprintf("DEBUG: ASK Got");
WDT_HIT();
if (errCnt>=0){
- lo = Em410xDecode(dest,size);
+ lo = Em410xDecode(dest, &size, &idx);
//Dbprintf("DEBUG: EM GOT");
if (lo>0){
Dbprintf("EM TAG ID: %02x%08x - (%05d_%03d_%08d)",
}
if (findone){
if (ledcontrol) LED_A_OFF();
+ *high=lo>>32;
+ *low=lo & 0xFFFFFFFF;
return;
}
} else{
void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
{
- uint8_t *dest = (uint8_t *)BigBuf;
+ uint8_t *dest = BigBuf_get_addr();
int idx=0;
uint32_t code=0, code2=0;
uint8_t version=0;
DoAcquisition_default(-1,true);
//fskdemod and get start index
WDT_HIT();
- idx = IOdemodFSK(dest,sizeof(BigBuf));
+ idx = IOdemodFSK(dest, BigBuf_max_traceLen());
if (idx>0){
//valid tag found
if (findone){
if (ledcontrol) LED_A_OFF();
//LED_A_OFF();
+ *high=code;
+ *low=code2;
return;
}
code=code2=0;
// Read one card block in page 0
void T55xxReadBlock(uint32_t Block, uint32_t Pwd, uint8_t PwdMode)
{
- uint8_t *dest = (uint8_t *)BigBuf;
+ uint8_t *dest = BigBuf_get_addr();
//int m=0, i=0; //enio adjustment 12/10/14
uint32_t m=0, i=0;
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
- m = sizeof(BigBuf);
+ m = BigBuf_max_traceLen();
// Clear destination buffer before sending the command
memset(dest, 128, m);
// Connect the A/D to the peak-detected low-frequency path.
// Read card traceability data (page 1)
void T55xxReadTrace(void){
- uint8_t *dest = (uint8_t *)BigBuf;
+ uint8_t *dest = BigBuf_get_addr();
int m=0, i=0;
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
- m = sizeof(BigBuf);
+ m = BigBuf_max_traceLen();
// Clear destination buffer before sending the command
memset(dest, 128, m);
// Connect the A/D to the peak-detected low-frequency path.
int DemodPCF7931(uint8_t **outBlocks) {
uint8_t BitStream[256];
uint8_t Blocks[8][16];
- uint8_t *GraphBuffer = (uint8_t *)BigBuf;
- int GraphTraceLen = sizeof(BigBuf);
+ uint8_t *GraphBuffer = BigBuf_get_addr();
+ int GraphTraceLen = BigBuf_max_traceLen();
int i, j, lastval, bitidx, half_switch;
int clock = 64;
int tolerance = clock / 8;
tries++;
if (BUTTON_PRESS()) return;
} while (num_blocks != max_blocks);
-end:
+ end:
Dbprintf("-----------------------------------------");
Dbprintf("Memory content:");
Dbprintf("-----------------------------------------");
void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) {
uint8_t fwd_bit_count;
- uint8_t *dest = (uint8_t *)BigBuf;
+ uint8_t *dest = BigBuf_get_addr();
int m=0, i=0;
//If password mode do login
fwd_bit_count = Prepare_Cmd( FWD_CMD_READ );
fwd_bit_count += Prepare_Addr( Address );
- m = sizeof(BigBuf);
+ m = BigBuf_max_traceLen();
// Clear destination buffer before sending the command
memset(dest, 128, m);
// Connect the A/D to the peak-detected low-frequency path.
projects / proxmark3-svn / blobdiff