setSamplingConfig((sample_config *) c->d.asBytes);
break;
case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:
- cmd_send(CMD_ACK,SampleLF(),0,0,0,0);
+ cmd_send(CMD_ACK,SampleLF(c->arg[0]),0,0,0,0);
break;
case CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K:
ModThenAcquireRawAdcSamples125k(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
* To compensate antenna falling times shorten the write times
* and enlarge the gap ones.
*/
-#define START_GAP 250
-#define WRITE_GAP 160
-#define WRITE_0 144 // 192
-#define WRITE_1 400 // 432 for T55x7; 448 for E5550
+#define START_GAP 50*8 // 10 - 50fc 250
+#define WRITE_GAP 20*8 // - 30fc 160
+#define WRITE_0 24*8 // 16 - 63fc 54fc 144
+#define WRITE_1 54*8 // 48 - 63fc 54fc 432 for T55x7; 448 for E5550 //400
+
+#define T55xx_SAMPLES_SIZE 12000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..)
// Write one bit to card
void T55xxWriteBit(int bit)
// Write one card block in page 0, no lock
void T55xxWriteBlock(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t PwdMode)
{
- //unsigned int i; //enio adjustment 12/10/14
- uint32_t i;
-
- FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
- FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
- FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
+ uint32_t i = 0;
- // Give it a bit of time for the resonant antenna to settle.
- // And for the tag to fully power up
- SpinDelay(150);
+ // Set up FPGA, 125kHz
+ // Wait for config.. (192+8190xPOW)x8 == 67ms
+ LFSetupFPGAForADC(0, true);
// Now start writting
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
}
+void TurnReadLFOn(){
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
+ // Give it a bit of time for the resonant antenna to settle.
+ SpinDelayUs(8*150);
+}
+
+
// Read one card block in page 0
void T55xxReadBlock(uint32_t Block, uint32_t Pwd, uint8_t PwdMode)
{
+ uint32_t i = 0;
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 = 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.
- SetAdcMuxFor(GPIO_MUXSEL_LOPKD);
- // Now set up the SSC to get the ADC samples that are now streaming at us.
- FpgaSetupSsc();
-
- LED_D_ON();
- FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
- FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
+ uint16_t bufferlength = BigBuf_max_traceLen();
+ if ( bufferlength > T55xx_SAMPLES_SIZE )
+ bufferlength = T55xx_SAMPLES_SIZE;
- // Give it a bit of time for the resonant antenna to settle.
- // And for the tag to fully power up
- SpinDelay(150);
+ // Clear destination buffer before sending the command
+ memset(dest, 0x80, bufferlength);
- // Now start writting
+ // Set up FPGA, 125kHz
+ // Wait for config.. (192+8190xPOW)x8 == 67ms
+ LFSetupFPGAForADC(0, true);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
SpinDelayUs(START_GAP);
T55xxWriteBit(Block & i);
// Turn field on to read the response
- FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
- FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
-
+ TurnReadLFOn();
// Now do the acquisition
i = 0;
for(;;) {
if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_TXRDY) {
AT91C_BASE_SSC->SSC_THR = 0x43;
+ LED_D_ON();
}
if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) {
dest[i] = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
- // we don't care about actual value, only if it's more or less than a
- // threshold essentially we capture zero crossings for later analysis
- // if(dest[i] < 127) dest[i] = 0; else dest[i] = 1;
i++;
- if (i >= m) break;
+ LED_D_OFF();
+ if (i >= bufferlength) break;
}
}
+ cmd_send(CMD_ACK,0,0,0,0,0);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
LED_D_OFF();
- DbpString("DONE!");
}
// Read card traceability data (page 1)
void T55xxReadTrace(void){
+
+ uint32_t i = 0;
uint8_t *dest = BigBuf_get_addr();
- int m=0, i=0;
+ uint16_t bufferlength = BigBuf_max_traceLen();
+ if ( bufferlength > T55xx_SAMPLES_SIZE )
+ bufferlength= T55xx_SAMPLES_SIZE;
- FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
- 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.
- SetAdcMuxFor(GPIO_MUXSEL_LOPKD);
- // Now set up the SSC to get the ADC samples that are now streaming at us.
- FpgaSetupSsc();
+ memset(dest, 0x80, bufferlength);
- LED_D_ON();
- FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
- FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
-
- // Give it a bit of time for the resonant antenna to settle.
- // And for the tag to fully power up
- SpinDelay(150);
-
- // Now start writting
+ LFSetupFPGAForADC(0, true);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
SpinDelayUs(START_GAP);
T55xxWriteBit(1); //Page 1
// Turn field on to read the response
- FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
- FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
+ TurnReadLFOn();
// Now do the acquisition
- i = 0;
for(;;) {
if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_TXRDY) {
AT91C_BASE_SSC->SSC_THR = 0x43;
+ LED_D_ON();
}
if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) {
dest[i] = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
i++;
- if (i >= m) break;
+ LED_D_OFF();
+
+ if (i >= bufferlength) break;
}
}
+ cmd_send(CMD_ACK,0,0,0,0,0);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
LED_D_OFF();
- DbpString("DONE!");
}
/*-------------- Cloning routines -----------*/
,silent);
}
-uint32_t ReadLF(bool activeField)
+uint32_t ReadLF(bool activeField, bool silent)
{
- printConfig();
+ if (!silent) printConfig();
LFSetupFPGAForADC(config.divisor, activeField);
// Now call the acquisition routine
- return DoAcquisition_config(false);
+ return DoAcquisition_config(silent);
}
/**
* Initializes the FPGA for reader-mode (field on), and acquires the samples.
* @return number of bits sampled
**/
-uint32_t SampleLF()
+uint32_t SampleLF(bool printCfg)
{
- return ReadLF(true);
+ return ReadLF(true, printCfg);
}
/**
* Initializes the FPGA for snoop-mode (field off), and acquires the samples.
uint32_t SnoopLF()
{
- return ReadLF(false);
+ return ReadLF(false, true);
}
* Initializes the FPGA for reader-mode (field on), and acquires the samples.
* @return number of bits sampled
**/
-uint32_t SampleLF();
+uint32_t SampleLF(bool silent);
/**
* Initializes the FPGA for snoop-mode (field off), and acquires the samples.
//by marshmellow
void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx)
{
+ if (buff == NULL)
+ return;
+
+ if ( size >= MAX_DEMOD_BUF_LEN)
+ size = MAX_DEMOD_BUF_LEN;
+
size_t i = 0;
for (; i < size; i++){
DemodBuffer[i]=buff[startIdx++];
//output 40 bit em id
PrintAndLog("EM TAG ID : %010llx", id);
PrintAndLog("Unique TAG ID: %010llx", id2lo);
+ PrintAndLog("");
+ PrintAndLog("Possible de-scramble patterns");
+ PrintAndLog("HoneyWell IdentKey");
PrintAndLog("DEZ 8 : %08lld",id & 0xFFFFFF);
- PrintAndLog("DEZ 10 : %010lld",id & 0xFFFFFF);
+ PrintAndLog("DEZ 10 : %010lld",id & 0xFFFFFFFF);
PrintAndLog("DEZ 5.5 : %05lld.%05lld",(id>>16LL) & 0xFFFF,(id & 0xFFFF));
PrintAndLog("DEZ 3.5A : %03lld.%05lld",(id>>32ll),(id & 0xFFFF));
+ PrintAndLog("DEZ 3.5B : %03lld.%05lld",(id & 0xFF000000) >> 24,(id & 0xFFFF));
+ PrintAndLog("DEZ 3.5C : %03lld.%05lld",(id & 0xFF0000) >> 16,(id & 0xFFFF));
PrintAndLog("DEZ 14/IK2 : %014lld",id);
PrintAndLog("DEZ 15/IK3 : %015lld",id2lo);
PrintAndLog("Other : %05lld_%03lld_%08lld",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF));
+ PrintAndLog("DEZ 20/ZK : %02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld",
+ (id2lo & 0xf000000000) >> 36,
+ (id2lo & 0x0f00000000) >> 32,
+ (id2lo & 0x00f0000000) >> 28,
+ (id2lo & 0x000f000000) >> 24,
+ (id2lo & 0x0000f00000) >> 20,
+ (id2lo & 0x00000f0000) >> 16,
+ (id2lo & 0x000000f000) >> 12,
+ (id2lo & 0x0000000f00) >> 8,
+ (id2lo & 0x00000000f0) >> 4,
+ (id2lo & 0x000000000f)
+ );
+
+ PrintAndLog("");
+ uint64_t paxton = (((id>>32) << 24) | (id & 0xffffff)) + 0x143e00;
+ PrintAndLog("Pattern Paxton : %0d", paxton);
+
+ uint32_t p1id = (id & 0xFFFFFF);
+ uint8_t arr[32] = {0x00};
+ int i =0;
+ int j = 23;
+ for (; i < 24; ++i, --j ){
+ arr[i] = (p1id >> i) & 1;
+ }
+
+ uint32_t p1 = 0;
+
+ p1 |= arr[23] << 21;
+ p1 |= arr[22] << 23;
+ p1 |= arr[21] << 20;
+ p1 |= arr[20] << 22;
+
+ p1 |= arr[19] << 18;
+ p1 |= arr[18] << 16;
+ p1 |= arr[17] << 19;
+ p1 |= arr[16] << 17;
+
+ p1 |= arr[15] << 13;
+ p1 |= arr[14] << 15;
+ p1 |= arr[13] << 12;
+ p1 |= arr[12] << 14;
+
+ p1 |= arr[11] << 6;
+ p1 |= arr[10] << 2;
+ p1 |= arr[9] << 7;
+ p1 |= arr[8] << 1;
+
+ p1 |= arr[7] << 0;
+ p1 |= arr[6] << 8;
+ p1 |= arr[5] << 11;
+ p1 |= arr[4] << 3;
+
+ p1 |= arr[3] << 10;
+ p1 |= arr[2] << 4;
+ p1 |= arr[1] << 5;
+ p1 |= arr[0] << 9;
+ PrintAndLog("Pattern 1 : 0x%X - %d", p1, p1);
+
+ uint16_t sebury1 = id & 0xFFFF;
+ uint8_t sebury2 = (id >> 16) & 0x7F;
+ uint32_t sebury3 = id & 0x7FFFFF;
+ PrintAndLog("Pattern Sebury : %d %d %d (hex: %X %X %X)", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3);
}
}
return;
}
+
+int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo)
+{
+ int ans = ASKmanDemod(Cmd, FALSE, FALSE);
+ if (!ans) return 0;
+
+ size_t idx=0;
+ if (Em410xDecode(DemodBuffer,(size_t *) &DemodBufferLen, &idx, hi, lo)){
+ if (g_debugMode){
+ PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, DemodBufferLen);
+ printDemodBuff();
+ }
+ return 1;
+ }
+ return 0;
+}
//by marshmellow
//takes 3 arguments - clock, invert and maxErr as integers
//attempts to demodulate ask while decoding manchester
PrintAndLog(" : data askem410xdemod 64 1 0 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors");
return 0;
}
- int ans = ASKmanDemod(Cmd, FALSE, FALSE);
- if (!ans) return 0;
-
- uint64_t lo =0;
- uint32_t hi =0;
- size_t idx=0;
- if (Em410xDecode(DemodBuffer,(size_t *) &DemodBufferLen, &idx, &hi, &lo)){
- if (g_debugMode){
- PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, DemodBufferLen);
- printDemodBuff();
- }
+ uint32_t hi;
+ uint64_t lo;
+ if (AskEm410xDemod(Cmd, &hi, &lo)) {
PrintAndLog("EM410x pattern found: ");
printEM410x(hi, lo);
return 1;
PrintAndLog("Usage: data biphaserawdecode [offset] [invert] [maxErr]");
PrintAndLog(" Converts 10 or 01 to 1 and 11 or 00 to 0");
PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)");
+ PrintAndLog(" --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester");
PrintAndLog("");
PrintAndLog(" [offset <0|1>], set to 0 not to adjust start position or to 1 to adjust decode start position");
PrintAndLog(" [invert <0|1>], set to 1 to invert output");
PrintAndLog(" NOTE: <amplify> can be entered as first, second or last argument");
PrintAndLog(" NOTE: any other arg must have previous args set to work");
PrintAndLog("");
+ PrintAndLog(" NOTE: --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester");
+ PrintAndLog("");
PrintAndLog(" sample: data rawdemod ab = demod an ask/biph tag from GraphBuffer");
PrintAndLog(" : data rawdemod ab a = demod an ask/biph tag from GraphBuffer, amplified");
PrintAndLog(" : data rawdemod ab 1 32 = demod an ask/biph tag from GraphBuffer using an offset of 1 and a clock of RF/32");
uint8_t version = bytebits_to_byte(BitStream+idx+27,8); //14,4
uint8_t facilitycode = bytebits_to_byte(BitStream+idx+18,8) ;
uint16_t number = (bytebits_to_byte(BitStream+idx+36,8)<<8)|(bytebits_to_byte(BitStream+idx+45,8)); //36,9
- PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x)",version,facilitycode,number,code,code2);
+ uint8_t crc = bytebits_to_byte(BitStream+idx+54,8);
+ uint16_t calccrc = 0;
+
+ for (uint8_t i=1; i<6; ++i){
+ calccrc += bytebits_to_byte(BitStream+idx+9*i,8);
+ //PrintAndLog("%d", calccrc);
+ }
+ calccrc &= 0xff;
+ calccrc = 0xff - calccrc;
+
+ char *crcStr = (crc == calccrc) ? "crc ok": "!crc";
+
+ PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [%02x %s]",version,facilitycode,number,code,code2, crc, crcStr);
setDemodBuf(BitStream,64,idx);
if (g_debugMode){
PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64);
int errCnt=0;
errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert, maxErr);
if (errCnt > maxErr){
- if (g_debugMode==1 && verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
+ if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
return 0;
}
if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
- if (g_debugMode==1 && verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
+ if (g_debugMode) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
return 0;
}
- PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
+ if (verbose || g_debugMode) PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
//prime demod buffer for output
setDemodBuf(BitStream,BitLen,0);
- if (errCnt>0 && verbose){
- PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
- }
- if (verbose) {
+ if (errCnt>0 && (verbose || g_debugMode)) PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
+ if (verbose || g_debugMode) {
PrintAndLog("NRZ demoded bitstream:");
// Now output the bitstream to the scrollback by line of 16 bits
printDemodBuff();
PrintAndLog(" <help> as 'h', prints the help for the specific modulation");
PrintAndLog(" <options> see specific modulation help for optional parameters");
PrintAndLog("");
- PrintAndLog(" sample: data rawdemod fs h = print help for ask/raw demod");
+ PrintAndLog(" sample: data rawdemod fs h = print help specific to fsk demod");
PrintAndLog(" : data rawdemod fs = demod GraphBuffer using: fsk - autodetect");
PrintAndLog(" : data rawdemod ab = demod GraphBuffer using: ask/biphase - autodetect");
PrintAndLog(" : data rawdemod am = demod GraphBuffer using: ask/manchester - autodetect");
return val;
}
-int CmdSamples(const char *Cmd)
+int getSamples(const char *Cmd, bool silent)
{
- //If we get all but the last byte in bigbuf,
- // we don't have to worry about remaining trash
- // in the last byte in case the bits-per-sample
- // does not line up on byte boundaries
- uint8_t got[BIGBUF_SIZE-1] = { 0 };
+ //If we get all but the last byte in bigbuf,
+ // we don't have to worry about remaining trash
+ // in the last byte in case the bits-per-sample
+ // does not line up on byte boundaries
- int n = strtol(Cmd, NULL, 0);
- if (n == 0)
- n = sizeof(got);
+ uint8_t got[BIGBUF_SIZE-1] = { 0 };
- if (n > sizeof(got))
- n = sizeof(got);
+ int n = strtol(Cmd, NULL, 0);
- PrintAndLog("Reading %d bytes from device memory\n", n);
- GetFromBigBuf(got,n,0);
- PrintAndLog("Data fetched");
- UsbCommand response;
- WaitForResponse(CMD_ACK, &response);
- uint8_t bits_per_sample = 8;
+ if (n == 0)
+ n = sizeof(got);
- //Old devices without this feature would send 0 at arg[0]
- if(response.arg[0] > 0)
- {
- sample_config *sc = (sample_config *) response.d.asBytes;
- PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc->bits_per_sample
- , sc->decimation);
- bits_per_sample = sc->bits_per_sample;
- }
- if(bits_per_sample < 8)
- {
- PrintAndLog("Unpacking...");
- BitstreamOut bout = { got, bits_per_sample * n, 0};
- int j =0;
- for (j = 0; j * bits_per_sample < n * 8 && j < sizeof(GraphBuffer); j++) {
- uint8_t sample = getByte(bits_per_sample, &bout);
- GraphBuffer[j] = ((int) sample )- 128;
- }
- GraphTraceLen = j;
- PrintAndLog("Unpacked %d samples" , j );
- }else
- {
- for (int j = 0; j < n; j++) {
- GraphBuffer[j] = ((int)got[j]) - 128;
- }
- GraphTraceLen = n;
- }
+ if (n > sizeof(got))
+ n = sizeof(got);
- RepaintGraphWindow();
- return 0;
+ PrintAndLog("Reading %d bytes from device memory\n", n);
+ GetFromBigBuf(got,n,0);
+ PrintAndLog("Data fetched");
+ UsbCommand response;
+ WaitForResponse(CMD_ACK, &response);
+ uint8_t bits_per_sample = 8;
+
+ //Old devices without this feature would send 0 at arg[0]
+ if(response.arg[0] > 0)
+ {
+ sample_config *sc = (sample_config *) response.d.asBytes;
+ PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc->bits_per_sample
+ , sc->decimation);
+ bits_per_sample = sc->bits_per_sample;
+ }
+ if(bits_per_sample < 8)
+ {
+ PrintAndLog("Unpacking...");
+ BitstreamOut bout = { got, bits_per_sample * n, 0};
+ int j =0;
+ for (j = 0; j * bits_per_sample < n * 8 && j < sizeof(GraphBuffer); j++) {
+ uint8_t sample = getByte(bits_per_sample, &bout);
+ GraphBuffer[j] = ((int) sample )- 128;
+ }
+ GraphTraceLen = j;
+ PrintAndLog("Unpacked %d samples" , j );
+ }else
+ {
+ for (int j = 0; j < n; j++) {
+ GraphBuffer[j] = ((int)got[j]) - 128;
+ }
+ GraphTraceLen = n;
+ }
+
+ RepaintGraphWindow();
+ return 0;
+}
+
+int CmdSamples(const char *Cmd)
+{
+ return getSamples(Cmd, false);
}
int CmdTuneSamples(const char *Cmd)
static command_t CommandTable[] =
{
- {"help", CmdHelp, 1, "This help"},
- {"amp", CmdAmp, 1, "Amplify peaks"},
+ {"help", CmdHelp, 1, "This help"},
+ {"amp", CmdAmp, 1, "Amplify peaks"},
//{"askdemod", Cmdaskdemod, 1, "<0 or 1> -- Attempt to demodulate simple ASK tags"},
- {"askedgedetect", CmdAskEdgeDetect, 1, "[threshold] Adjust Graph for manual ask demod using length of sample differences to detect the edge of a wave (default = 25)"},
- {"askem410xdemod",CmdAskEM410xDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
- {"askgproxiidemod",CmdG_Prox_II_Demod,1, "Demodulate a G Prox II tag from GraphBuffer"},
- //{"askmandemod", Cmdaskmandemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional)"},
- //{"askrawdemod", Cmdaskrawdemod, 1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK tags and output bin (args optional)"},
- {"autocorr", CmdAutoCorr, 1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
+ {"askedgedetect", CmdAskEdgeDetect, 1, "[threshold] Adjust Graph for manual ask demod using length of sample differences to detect the edge of a wave (default = 25)"},
+ {"askem410xdemod", CmdAskEM410xDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
+ {"askgproxiidemod", CmdG_Prox_II_Demod, 1, "Demodulate a G Prox II tag from GraphBuffer"},
+ {"autocorr", CmdAutoCorr, 1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
{"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] [invert<0|1>] Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
- {"bitsamples", CmdBitsamples, 0, "Get raw samples as bitstring"},
+ {"bitsamples", CmdBitsamples, 0, "Get raw samples as bitstring"},
//{"bitstream", CmdBitstream, 1, "[clock rate] -- Convert waveform into a bitstream"},
- {"buffclear", CmdBuffClear, 1, "Clear sample buffer and graph window"},
- {"dec", CmdDec, 1, "Decimate samples"},
- {"detectclock", CmdDetectClockRate, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"},
+ {"buffclear", CmdBuffClear, 1, "Clear sample buffer and graph window"},
+ {"dec", CmdDec, 1, "Decimate samples"},
+ {"detectclock", CmdDetectClockRate, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"},
//{"fskdemod", CmdFSKdemod, 1, "Demodulate graph window as a HID FSK"},
- {"fskawiddemod", CmdFSKdemodAWID, 1, "Demodulate an AWID FSK tag from GraphBuffer"},
+ {"fskawiddemod", CmdFSKdemodAWID, 1, "Demodulate an AWID FSK tag from GraphBuffer"},
//{"fskfcdetect", CmdFSKfcDetect, 1, "Try to detect the Field Clock of an FSK wave"},
- {"fskhiddemod", CmdFSKdemodHID, 1, "Demodulate a HID FSK tag from GraphBuffer"},
- {"fskiodemod", CmdFSKdemodIO, 1, "Demodulate an IO Prox FSK tag from GraphBuffer"},
- {"fskpyramiddemod",CmdFSKdemodPyramid,1, "Demodulate a Pyramid FSK tag from GraphBuffer"},
- {"fskparadoxdemod",CmdFSKdemodParadox,1, "Demodulate a Paradox FSK tag from GraphBuffer"},
- //{"fskrawdemod", CmdFSKrawdemod, 1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to bin (clock = 50)(invert = 1|0)(rchigh = 10)(rclow=8)"},
- {"getbitstream", CmdGetBitStream, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},
- {"grid", CmdGrid, 1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
- {"hexsamples", CmdHexsamples, 0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},
- {"hide", CmdHide, 1, "Hide graph window"},
- {"hpf", CmdHpf, 1, "Remove DC offset from trace"},
- {"load", CmdLoad, 1, "<filename> -- Load trace (to graph window"},
- {"ltrim", CmdLtrim, 1, "<samples> -- Trim samples from left of trace"},
- {"rtrim", CmdRtrim, 1, "<location to end trace> -- Trim samples from right of trace"},
+ {"fskhiddemod", CmdFSKdemodHID, 1, "Demodulate a HID FSK tag from GraphBuffer"},
+ {"fskiodemod", CmdFSKdemodIO, 1, "Demodulate an IO Prox FSK tag from GraphBuffer"},
+ {"fskpyramiddemod", CmdFSKdemodPyramid, 1, "Demodulate a Pyramid FSK tag from GraphBuffer"},
+ {"fskparadoxdemod", CmdFSKdemodParadox, 1, "Demodulate a Paradox FSK tag from GraphBuffer"},
+ {"getbitstream", CmdGetBitStream, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},
+ {"grid", CmdGrid, 1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
+ {"hexsamples", CmdHexsamples, 0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},
+ {"hide", CmdHide, 1, "Hide graph window"},
+ {"hpf", CmdHpf, 1, "Remove DC offset from trace"},
+ {"load", CmdLoad, 1, "<filename> -- Load trace (to graph window"},
+ {"ltrim", CmdLtrim, 1, "<samples> -- Trim samples from left of trace"},
+ {"rtrim", CmdRtrim, 1, "<location to end trace> -- Trim samples from right of trace"},
//{"mandemod", CmdManchesterDemod, 1, "[i] [clock rate] -- Manchester demodulate binary stream (option 'i' to invert output)"},
- {"manrawdecode", Cmdmandecoderaw, 1, "Manchester decode binary stream in DemodBuffer"},
- {"manmod", CmdManchesterMod, 1, "[clock rate] -- Manchester modulate a binary stream"},
- {"norm", CmdNorm, 1, "Normalize max/min to +/-128"},
- //{"nrzdetectclock",CmdDetectNRZClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"},
- //{"nrzrawdemod", CmdNRZrawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate nrz tags and output binary (args optional)"},
- {"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"},
- //{"pskdetectclock",CmdDetectPSKClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"},
- {"printdemodbuffer",CmdPrintDemodBuff,1, "[x] -- print the data in the DemodBuffer - 'x' for hex output"},
- {"pskindalademod",CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
- //{"psk1rawdemod", CmdPSK1rawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate psk1 tags and output binary (args optional)"},
- //{"psk2rawdemod", CmdPSK2rawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate psk2 tags and output binary (args optional)"},
- {"rawdemod", CmdRawDemod, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},
- {"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
- {"save", CmdSave, 1, "<filename> -- Save trace (from graph window)"},
- {"scale", CmdScale, 1, "<int> -- Set cursor display scale"},
- {"setdebugmode", CmdSetDebugMode, 1, "<0|1> -- Turn on or off Debugging Mode for demods"},
- {"shiftgraphzero",CmdGraphShiftZero, 1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
+ {"manrawdecode", Cmdmandecoderaw, 1, "Manchester decode binary stream in DemodBuffer"},
+ {"manmod", CmdManchesterMod, 1, "[clock rate] -- Manchester modulate a binary stream"},
+ {"norm", CmdNorm, 1, "Normalize max/min to +/-128"},
+ {"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"},
+ {"printdemodbuffer",CmdPrintDemodBuff, 1, "[x] -- print the data in the DemodBuffer - 'x' for hex output"},
+ {"pskindalademod", CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
+ {"rawdemod", CmdRawDemod, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},
+ {"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
+ {"save", CmdSave, 1, "<filename> -- Save trace (from graph window)"},
+ {"scale", CmdScale, 1, "<int> -- Set cursor display scale"},
+ {"setdebugmode", CmdSetDebugMode, 1, "<0|1> -- Turn on or off Debugging Mode for demods"},
+ {"shiftgraphzero", CmdGraphShiftZero, 1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
//{"threshold", CmdThreshold, 1, "<threshold> -- Maximize/minimize every value in the graph window depending on threshold"},
- {"dirthreshold", CmdDirectionalThreshold, 1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
- {"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"},
- {"undec", CmdUndec, 1, "Un-decimate samples by 2"},
- {"zerocrossings", CmdZerocrossings, 1, "Count time between zero-crossings"},
+ {"dirthreshold", CmdDirectionalThreshold, 1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
+ {"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"},
+ {"undec", CmdUndec, 1, "Un-decimate samples by 2"},
+ {"zerocrossings", CmdZerocrossings, 1, "Count time between zero-crossings"},
{NULL, NULL, 0, NULL}
};
int CmdDirectionalThreshold(const char *Cmd);
int CmdZerocrossings(const char *Cmd);
int CmdIndalaDecode(const char *Cmd);
+int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo);
int ASKbiphaseDemod(const char *Cmd, bool verbose);
int ASKmanDemod(const char *Cmd, bool verbose, bool emSearch);
int ASKrawDemod(const char *Cmd, bool verbose);
int FSKrawDemod(const char *Cmd, bool verbose);
int PSKDemod(const char *Cmd, bool verbose);
int NRZrawDemod(const char *Cmd, bool verbose);
+void printEM410x(uint32_t hi, uint64_t id);
+int getSamples(const char *Cmd, bool silent);
+
#define MAX_DEMOD_BUF_LEN (1024*128)
extern uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
PrintAndLog("Usage: lf read");
PrintAndLog("Options: ");
PrintAndLog(" h This help");
+ PrintAndLog(" s silent run no printout");
PrintAndLog("This function takes no arguments. ");
PrintAndLog("Use 'lf config' to set parameters.");
return 0;
int CmdLFRead(const char *Cmd)
{
- uint8_t cmdp =0;
- if(param_getchar(Cmd, cmdp) == 'h')
+ uint8_t cmdp = 0;
+ bool arg1 = false;
+ if (param_getchar(Cmd, cmdp) == 'h')
{
return usage_lf_read();
}
+ if (param_getchar(Cmd, cmdp) == 's') arg1 = true; //suppress print
//And ship it to device
- UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K};
+ UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
SendCommand(&c);
WaitForResponse(CMD_ACK,NULL);
return 0;
int ans=0;
char cmdp = param_getchar(Cmd, 0);
char testRaw = param_getchar(Cmd, 1);
- if (strlen(Cmd) > 2 || cmdp == 'h' || cmdp == 'H') {
+ if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
PrintAndLog("Usage: lf search <0|1> [u]");
PrintAndLog(" <use data from Graphbuffer> , if not set, try reading data from tag.");
PrintAndLog(" [Search for Unknown tags] , if not set, reads only known tags.");
return 0;
}
if (cmdp == 'u' || cmdp == 'U') testRaw = 'u';
+
PrintAndLog("NOTE: some demods output possible binary\n if it finds something that looks like a tag");
PrintAndLog("False Positives ARE possible\n");
PrintAndLog("\nChecking for known tags:\n");
+
ans=CmdFSKdemodIO("");
if (ans>0) {
PrintAndLog("\nValid IO Prox ID Found!");
return 1;
}
+
ans=CmdFSKdemodPyramid("");
if (ans>0) {
PrintAndLog("\nValid Pyramid ID Found!");
return 1;
}
+
ans=CmdFSKdemodParadox("");
if (ans>0) {
PrintAndLog("\nValid Paradox ID Found!");
return 1;
}
+
ans=CmdFSKdemodAWID("");
if (ans>0) {
PrintAndLog("\nValid AWID ID Found!");
return 1;
}
+
ans=CmdFSKdemodHID("");
if (ans>0) {
PrintAndLog("\nValid HID Prox ID Found!");
return 1;
}
+
//add psk and indala
ans=CmdIndalaDecode("");
if (ans>0) {
PrintAndLog("\nValid Indala ID Found!");
return 1;
}
+
ans=CmdAskEM410xDemod("");
if (ans>0) {
PrintAndLog("\nValid EM410x ID Found!");
return 1;
}
+
ans=CmdG_Prox_II_Demod("");
if (ans>0) {
PrintAndLog("\nValid G Prox II ID Found!");
return 1;
}
+
PrintAndLog("\nNo Known Tags Found!\n");
if (testRaw=='u' || testRaw=='U'){
//test unknown tag formats (raw mode)
{"io", CmdLFIO, 1, "{ ioProx tags... }"},
{"indalademod", CmdIndalaDemod, 1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
{"indalaclone", CmdIndalaClone, 0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
- {"read", CmdLFRead, 0, "Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
+ {"read", CmdLFRead, 0, "['s' silent] Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
{"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"},
{"sim", CmdLFSim, 0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
{"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [manchester/raw <'m'|'r'>] [msg separator 's'] [d <hexdata>] -- Simulate LF ASK tag from demodbuffer or input"},
*/
int CmdEM410xRead(const char *Cmd)
{
- int i, j, clock, header, rows, bit, hithigh, hitlow, first, bit2idx, high, low;
- int parity[4];
- char id[11] = {0x00};
- char id2[11] = {0x00};
- int retested = 0;
- uint8_t BitStream[MAX_GRAPH_TRACE_LEN];
- high = low = 0;
-
- /* Detect high and lows and clock */
- for (i = 0; i < GraphTraceLen; i++)
- {
- if (GraphBuffer[i] > high)
- high = GraphBuffer[i];
- else if (GraphBuffer[i] < low)
- low = GraphBuffer[i];
- }
-
- /* get clock */
- clock = GetAskClock(Cmd, false, false);
-
- /* parity for our 4 columns */
- parity[0] = parity[1] = parity[2] = parity[3] = 0;
- header = rows = 0;
-
- // manchester demodulate
- bit = bit2idx = 0;
- for (i = 0; i < (int)(GraphTraceLen / clock); i++)
- {
- hithigh = 0;
- hitlow = 0;
- first = 1;
-
- /* Find out if we hit both high and low peaks */
- for (j = 0; j < clock; j++)
- {
- if (GraphBuffer[(i * clock) + j] >= high)
- hithigh = 1;
- else if (GraphBuffer[(i * clock) + j] <= low)
- hitlow = 1;
-
- /* it doesn't count if it's the first part of our read
- because it's really just trailing from the last sequence */
- if (first && (hithigh || hitlow))
- hithigh = hitlow = 0;
- else
- first = 0;
-
- if (hithigh && hitlow)
- break;
- }
-
- /* If we didn't hit both high and low peaks, we had a bit transition */
- if (!hithigh || !hitlow)
- bit ^= 1;
-
- BitStream[bit2idx++] = bit;
- }
-
-retest:
- /* We go till 5 before the graph ends because we'll get that far below */
- for (i = 1; i < bit2idx - 5; i++)
- {
- /* Step 2: We have our header but need our tag ID */
- if (header == 9 && rows < 10)
- {
- /* Confirm parity is correct */
- if ((BitStream[i] ^ BitStream[i+1] ^ BitStream[i+2] ^ BitStream[i+3]) == BitStream[i+4])
- {
- /* Read another byte! */
- sprintf(id+rows, "%x", (8 * BitStream[i]) + (4 * BitStream[i+1]) + (2 * BitStream[i+2]) + (1 * BitStream[i+3]));
- sprintf(id2+rows, "%x", (8 * BitStream[i+3]) + (4 * BitStream[i+2]) + (2 * BitStream[i+1]) + (1 * BitStream[i]));
- rows++;
-
- /* Keep parity info */
- parity[0] ^= BitStream[i];
- parity[1] ^= BitStream[i+1];
- parity[2] ^= BitStream[i+2];
- parity[3] ^= BitStream[i+3];
-
- /* Move 4 bits ahead */
- i += 4;
- }
-
- /* Damn, something wrong! reset */
- else
- {
- PrintAndLog("Thought we had a valid tag but failed at word %d (i=%d)", rows + 1, i);
-
- /* Start back rows * 5 + 9 header bits, -1 to not start at same place */
- i -= 9 + (5 * rows) - 5;
-
- rows = header = 0;
- }
- }
-
- /* Step 3: Got our 40 bits! confirm column parity */
- else if (rows == 10)
- {
- /* We need to make sure our 4 bits of parity are correct and we have a stop bit */
- if (BitStream[i] == parity[0] && BitStream[i+1] == parity[1] &&
- BitStream[i+2] == parity[2] && BitStream[i+3] == parity[3] &&
- BitStream[i+4] == 0)
- {
- /* Sweet! */
- PrintAndLog("EM410x Tag ID: %s", id);
- PrintAndLog("Unique Tag ID: %s", id2);
-
- global_em410xId = id;
-
- /* Stop any loops */
- return 1;
- }
-
- /* Crap! Incorrect parity or no stop bit, start all over */
- else
- {
- rows = header = 0;
-
- /* Go back 59 bits (9 header bits + 10 rows at 4+1 parity) */
- i -= 59;
- }
- }
-
- /* Step 1: get our header */
- else if (header < 9)
- {
- /* Need 9 consecutive 1's */
- if (BitStream[i] == 1)
- header++;
-
- /* We don't have a header, not enough consecutive 1 bits */
- else
- header = 0;
- }
- }
-
- /* if we've already retested after flipping bits, return */
- if (retested++){
- PrintAndLog("Failed to decode");
+ uint32_t hi=0;
+ uint64_t lo=0;
+
+ if(!AskEm410xDemod("", &hi, &lo)) return 0;
+ PrintAndLog("EM410x pattern found: ");
+ printEM410x(hi, lo);
+ if (hi){
+ PrintAndLog ("EM410x XL pattern found");
return 0;
- }
-
- /* if this didn't work, try flipping bits */
- for (i = 0; i < bit2idx; i++)
- BitStream[i] ^= 1;
-
- goto retest;
+ }
+ char id[12] = {0x00};
+ sprintf(id, "%010llx",lo);
+
+ global_em410xId = id;
+ return 1;
}
-/* emulate an EM410X tag
- * Format:
- * 1111 1111 1 <-- standard non-repeatable header
- * XXXX [row parity bit] <-- 10 rows of 5 bits for our 40 bit tag ID
- * ....
- * CCCC <-- each bit here is parity for the 10 bits above in corresponding column
- * 0 <-- stop bit, end of tag
- */
+// emulate an EM410X tag
int CmdEM410xSim(const char *Cmd)
{
int i, n, j, binary[4], parity[4];
*/
int CmdEM410xWatch(const char *Cmd)
{
- char cmdp = param_getchar(Cmd, 0);
- int read_h = (cmdp == 'h');
do {
if (ukbhit()) {
printf("\naborted via keyboard!\n");
break;
}
- CmdLFRead(read_h ? "h" : "");
- CmdSamples("6000");
- } while (
- !CmdEM410xRead("")
- );
+ CmdLFRead("s");
+ getSamples("8192",true); //capture enough to get 2 full messages
+ } while (!CmdEM410xRead(""));
+
return 0;
}
int CmdEM410xWatchnSpoof(const char *Cmd)
{
CmdEM410xWatch(Cmd);
- PrintAndLog("# Replaying : %s",global_em410xId);
- CmdEM410xSim(global_em410xId);
- return 0;
+ PrintAndLog("# Replaying captured ID: %s",global_em410xId);
+ CmdLFaskSim("");
+ return 0;
}
/* Read the transmitted data of an EM4x50 tag
#include "proxmark3.h"\r
#include "ui.h"\r
#include "graph.h"\r
+#include "cmdmain.h"\r
#include "cmdparser.h"\r
#include "cmddata.h"\r
#include "cmdlf.h"\r
#include "cmdlft55xx.h"\r
+#include "util.h"\r
+#include "data.h"\r
+#include "lfdemod.h"\r
+#include "../common/crc.h"\r
+#include "../common/iso14443crc.h"\r
+#include "cmdhf14a.h"\r
+\r
+#define CONFIGURATION_BLOCK 0x00\r
+#define TRACE_BLOCK 0x01\r
+\r
+// Default configuration\r
+t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00};\r
+\r
+int usage_t55xx_config(){\r
+ PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>]");\r
+ PrintAndLog("Options: ");\r
+ PrintAndLog(" h This help");\r
+ PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");\r
+ PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NZ|BI|BIa> Set demodulation FSK / ASK / PSK / NZ / Biphase / Biphase A");\r
+ PrintAndLog(" i [1] Invert data signal, defaults to normal");\r
+ PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");\r
+ PrintAndLog("");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx config d FSK - FSK demodulation");\r
+ PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");\r
+ PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
+int usage_t55xx_read(){\r
+ PrintAndLog("Usage: lf t55xx read <block> <password>");\r
+ PrintAndLog(" <block>, block number to read. Between 0-7");\r
+ PrintAndLog(" <password>, OPTIONAL password (8 hex characters)");\r
+ PrintAndLog("");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx read 0 - read data from block 0");\r
+ PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef");\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
+int usage_t55xx_write(){\r
+ PrintAndLog("Usage: lf t55xx wr <block> <data> [password]");\r
+ PrintAndLog(" <block>, block number to read. Between 0-7");\r
+ PrintAndLog(" <data>, 4 bytes of data to write (8 hex characters)");\r
+ PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)");\r
+ PrintAndLog("");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx wd 3 11223344 - write 11223344 to block 3");\r
+ PrintAndLog(" lf t55xx wd 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef");\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
+int usage_t55xx_trace() {\r
+ PrintAndLog("Usage: lf t55xx trace [1]");\r
+ PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");\r
+ PrintAndLog("");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx trace");\r
+ PrintAndLog(" lf t55xx trace 1");\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
+int usage_t55xx_info() {\r
+ PrintAndLog("Usage: lf t55xx info [1]");\r
+ PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");\r
+ PrintAndLog("");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx info");\r
+ PrintAndLog(" lf t55xx info 1");\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
+int usage_t55xx_dump(){\r
+ PrintAndLog("Usage: lf t55xx dump <password>");\r
+ PrintAndLog(" <password>, OPTIONAL password 4bytes (8 hex symbols)");\r
+ PrintAndLog("");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx dump");\r
+ PrintAndLog(" lf t55xx dump feedbeef");\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
+int usage_t55xx_detect(){\r
+ PrintAndLog("Usage: lf t55xx detect");\r
+ PrintAndLog("");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx detect");\r
+ PrintAndLog(" lf t55xx detect 1");\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
\r
static int CmdHelp(const char *Cmd);\r
\r
+int CmdT55xxSetConfig(const char *Cmd) {\r
\r
-int CmdReadBlk(const char *Cmd)\r
-{\r
- int Block = 8; //default to invalid block\r
- UsbCommand c;\r
+ uint8_t offset = 0;\r
+ bool errors = FALSE;\r
+ uint8_t cmdp = 0;\r
+ char modulation[5] = {0x00};\r
+ char tmp = 0x00;\r
+ uint8_t bitRate = 0;\r
+ uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};\r
+ while(param_getchar(Cmd, cmdp) != 0x00 && !errors)\r
+ {\r
+ tmp = param_getchar(Cmd, cmdp);\r
+ switch(tmp)\r
+ {\r
+ case 'h':\r
+ case 'H':\r
+ return usage_t55xx_config();\r
+ case 'b':\r
+ errors |= param_getdec(Cmd, cmdp+1, &bitRate);\r
+ if ( !errors){\r
+ uint8_t i = 0;\r
+ for (; i < 9; i++){\r
+ if (rates[i]==bitRate) {\r
+ config.bitrate = i;\r
+ break;\r
+ }\r
+ }\r
+ if (i==9) errors = TRUE;\r
+ }\r
+ cmdp+=2;\r
+ break;\r
+ case 'd':\r
+ param_getstr(Cmd, cmdp+1, modulation);\r
+ cmdp += 2;\r
\r
- sscanf(Cmd, "%d", &Block);\r
+ if ( strcmp(modulation, "FSK" ) == 0)\r
+ config.modulation = DEMOD_FSK;\r
+ else if ( strcmp(modulation, "FSK1" ) == 0)\r
+ config.modulation = DEMOD_FSK1;\r
+ else if ( strcmp(modulation, "FSK1a" ) == 0)\r
+ config.modulation = DEMOD_FSK1a;\r
+ else if ( strcmp(modulation, "FSK2" ) == 0)\r
+ config.modulation = DEMOD_FSK2;\r
+ else if ( strcmp(modulation, "FSK2a" ) == 0)\r
+ config.modulation = DEMOD_FSK2a;\r
+ else if ( strcmp(modulation, "ASK" ) == 0)\r
+ config.modulation = DEMOD_ASK;\r
+ else if ( strcmp(modulation, "NRZ" ) == 0)\r
+ config.modulation = DEMOD_NRZ;\r
+ else if ( strcmp(modulation, "PSK1" ) == 0)\r
+ config.modulation = DEMOD_PSK1;\r
+ else if ( strcmp(modulation, "PSK2" ) == 0)\r
+ config.modulation = DEMOD_PSK2;\r
+ else if ( strcmp(modulation, "PSK3" ) == 0)\r
+ config.modulation = DEMOD_PSK3;\r
+ else if ( strcmp(modulation, "BIa" ) == 0)\r
+ config.modulation = DEMOD_BIa;\r
+ else if ( strcmp(modulation, "BI" ) == 0)\r
+ config.modulation = DEMOD_BI;\r
+ else {\r
+ PrintAndLog("Unknown modulation '%s'", modulation);\r
+ errors = TRUE;\r
+ }\r
+ break;\r
+ case 'i':\r
+ config.inverted = param_getchar(Cmd,cmdp+1) == '1';\r
+ cmdp+=2;\r
+ break;\r
+ case 'o':\r
+ errors |= param_getdec(Cmd, cmdp+1, &offset);\r
+ if ( !errors )\r
+ config.offset = offset;\r
+ cmdp+=2;\r
+ break;\r
+ default:\r
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
+ errors = TRUE;\r
+ break;\r
+ }\r
+ }\r
\r
- if (Block > 7) {\r
- PrintAndLog("Block must be between 0 and 7");\r
- return 1;\r
- } \r
+ // No args\r
+ if (cmdp == 0) {\r
+ printConfiguration( config );\r
+ return 0;\r
+ }\r
+ //Validations\r
+ if (errors)\r
+ return usage_t55xx_config();\r
\r
- PrintAndLog("Reading block %d", Block);\r
+ config.block0 = 0;\r
+ printConfiguration ( config );\r
+ return 0;\r
+}\r
\r
- c.cmd = CMD_T55XX_READ_BLOCK;\r
- c.d.asBytes[0] = 0x0; //Normal mode\r
- c.arg[0] = 0;\r
- c.arg[1] = Block;\r
- c.arg[2] = 0;\r
- SendCommand(&c);\r
- return 0;\r
+int CmdT55xxReadBlock(const char *Cmd) {\r
+ int block = -1;\r
+ int password = 0xFFFFFFFF; //default to blank Block 7\r
+\r
+ char cmdp = param_getchar(Cmd, 0);\r
+ if (cmdp == 'h' || cmdp == 'H')\r
+ return usage_t55xx_read();\r
+\r
+ int res = sscanf(Cmd, "%d %x", &block, &password);\r
+\r
+ if ( res < 1 || res > 2 )\r
+ return usage_t55xx_read();\r
+\r
+ \r
+ if ((block < 0) | (block > 7)) {\r
+ PrintAndLog("Block must be between 0 and 7");\r
+ return 1;\r
+ } \r
+\r
+ UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}};\r
+ c.d.asBytes[0] = 0x0; \r
+\r
+ //Password mode\r
+ if ( res == 2 ) {\r
+ c.arg[2] = password;\r
+ c.d.asBytes[0] = 0x1; \r
+ }\r
+\r
+ SendCommand(&c);\r
+ if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {\r
+ PrintAndLog("command execution time out");\r
+ return 2;\r
+ }\r
+ \r
+ uint8_t got[12000];\r
+ GetFromBigBuf(got,sizeof(got),0);\r
+ WaitForResponse(CMD_ACK,NULL);\r
+ setGraphBuf(got, 12000);\r
+ DemodBufferLen=0;\r
+ if (!DecodeT55xxBlock()) return 3;\r
+ char blk[10]={0};\r
+ sprintf(blk,"%d", block);\r
+ printT55xxBlock(blk);\r
+ return 0;\r
}\r
\r
-int CmdReadBlkPWD(const char *Cmd)\r
-{\r
- int Block = 8; //default to invalid block\r
- int Password = 0xFFFFFFFF; //default to blank Block 7\r
- UsbCommand c;\r
+bool DecodeT55xxBlock(){\r
+ \r
+ char buf[8] = {0x00};\r
+ char *cmdStr = buf;\r
+ int ans = 0;\r
+ uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};\r
\r
- sscanf(Cmd, "%d %x", &Block, &Password);\r
+ DemodBufferLen = 0x00;\r
\r
- if (Block > 7) {\r
- PrintAndLog("Block must be between 0 and 7");\r
- return 1;\r
- } \r
+ switch( config.modulation ){\r
+ case DEMOD_FSK:\r
+ //CmdLtrim("26");\r
+ sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 );\r
+ CmdLtrim(cmdStr); \r
+ sprintf(cmdStr,"%d %d", bitRate[config.bitrate], config.inverted );\r
+ ans = FSKrawDemod(cmdStr, FALSE);\r
+ break;\r
+ case DEMOD_FSK1:\r
+ //CmdLtrim("26");\r
+ sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 );\r
+ CmdLtrim(cmdStr); \r
+ sprintf(cmdStr,"%d 1 8 5", bitRate[config.bitrate] );\r
+ ans = FSKrawDemod(cmdStr, FALSE);\r
+ break;\r
+ case DEMOD_FSK1a:\r
+ //CmdLtrim("26");\r
+ sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 );\r
+ CmdLtrim(cmdStr); \r
+ sprintf(cmdStr,"%d 0 8 5", bitRate[config.bitrate] );\r
+ ans = FSKrawDemod(cmdStr, FALSE);\r
+ break;\r
+ case DEMOD_FSK2:\r
+ //CmdLtrim("26");\r
+ sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 );\r
+ CmdLtrim(cmdStr); \r
+ sprintf(cmdStr,"%d 0 10 8", bitRate[config.bitrate] );\r
+ ans = FSKrawDemod(cmdStr, FALSE);\r
+ break;\r
+ case DEMOD_FSK2a:\r
+ //CmdLtrim("26");\r
+ sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 );\r
+ CmdLtrim(cmdStr); \r
+ sprintf(cmdStr,"%d 1 10 8", bitRate[config.bitrate] );\r
+ ans = FSKrawDemod(cmdStr, FALSE);\r
+ break;\r
+ case DEMOD_ASK:\r
+ sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted );\r
+ ans = ASKmanDemod(cmdStr, FALSE, FALSE);\r
+ break;\r
+ case DEMOD_PSK1:\r
+ sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted );\r
+ ans = PSKDemod(cmdStr, FALSE);\r
+ break;\r
+ case DEMOD_PSK2:\r
+ sprintf(cmdStr,"%d 1", bitRate[config.bitrate] );\r
+ ans = PSKDemod(cmdStr, FALSE);\r
+ psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
+ break;\r
+ case DEMOD_PSK3:\r
+ sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted );\r
+ ans = PSKDemod(cmdStr, FALSE);\r
+ psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
+ break;\r
+ case DEMOD_NRZ:\r
+ sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted );\r
+ ans = NRZrawDemod(cmdStr, FALSE);\r
+ break;\r
+ case DEMOD_BI:\r
+ sprintf(cmdStr,"0 %d 0 1", bitRate[config.bitrate] );\r
+ ans = ASKbiphaseDemod(cmdStr, FALSE);\r
+ break;\r
+ case DEMOD_BIa:\r
+ sprintf(cmdStr,"0 %d 1 1", bitRate[config.bitrate] );\r
+ ans = ASKbiphaseDemod(cmdStr, FALSE);\r
+ break;\r
+ default:\r
+ return FALSE;\r
+ }\r
+ return (bool) ans;\r
+}\r
\r
- PrintAndLog("Reading block %d with password %08X", Block, Password);\r
+int CmdT55xxDetect(const char *Cmd){\r
\r
- c.cmd = CMD_T55XX_READ_BLOCK;\r
- c.d.asBytes[0] = 0x1; //Password mode\r
- c.arg[0] = 0;\r
- c.arg[1] = Block;\r
- c.arg[2] = Password;\r
- SendCommand(&c);\r
- return 0;\r
+ char cmdp = param_getchar(Cmd, 0);\r
+ if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')\r
+ return usage_t55xx_detect();\r
+ \r
+ if (strlen(Cmd)==0)\r
+ AquireData( CONFIGURATION_BLOCK );\r
+\r
+ if ( !tryDetectModulation() )\r
+ PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");\r
+\r
+ return 0;\r
}\r
\r
-int CmdWriteBlk(const char *Cmd)\r
-{\r
- int Block = 8; //default to invalid block\r
- int Data = 0xFFFFFFFF; //default to blank Block \r
- UsbCommand c;\r
+// detect configuration?\r
+bool tryDetectModulation(){\r
+ char cmdStr[8] = {0};\r
+ uint8_t hits = 0;\r
+ t55xx_conf_block_t tests[15];\r
+ \r
+ if (GetFskClock("", FALSE, FALSE)){ \r
+ uint8_t fc1 = 0, fc2 = 0, clk=0;\r
+ fskClocks(&fc1, &fc2, &clk, FALSE);\r
+ sprintf(cmdStr,"%d", clk/2);\r
+ CmdLtrim(cmdStr);\r
+ if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset)){\r
+ tests[hits].modulation = DEMOD_FSK;\r
+ if (fc1==8 && fc2 == 5)\r
+ tests[hits].modulation = DEMOD_FSK1a;\r
+ else if (fc1==10 && fc2 == 8)\r
+ tests[hits].modulation = DEMOD_FSK2;\r
\r
- sscanf(Cmd, "%x %d", &Data, &Block);\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset)) {\r
+ tests[hits].modulation = DEMOD_FSK;\r
+ if (fc1==8 && fc2 == 5)\r
+ tests[hits].modulation = DEMOD_FSK1;\r
+ else if (fc1==10 && fc2 == 8)\r
+ tests[hits].modulation = DEMOD_FSK2a;\r
\r
- if (Block > 7) {\r
- PrintAndLog("Block must be between 0 and 7");\r
- return 1;\r
- } \r
+ tests[hits].inverted = TRUE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ } else {\r
+ if ( ASKmanDemod("0 0 1", FALSE, FALSE) && test(DEMOD_ASK, &tests[hits].offset)) {\r
+ tests[hits].modulation = DEMOD_ASK;\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
\r
- PrintAndLog("Writting block %d with data %08X", Block, Data);\r
+ if ( ASKmanDemod("0 1 1", FALSE, FALSE) && test(DEMOD_ASK, &tests[hits].offset)) {\r
+ tests[hits].modulation = DEMOD_ASK;\r
+ tests[hits].inverted = TRUE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ \r
+ if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset)) {\r
+ tests[hits].modulation = DEMOD_NRZ;\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
\r
- c.cmd = CMD_T55XX_WRITE_BLOCK;\r
- c.d.asBytes[0] = 0x0; //Normal mode\r
- c.arg[0] = Data;\r
- c.arg[1] = Block;\r
- c.arg[2] = 0;\r
- SendCommand(&c);\r
- return 0;\r
+ if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset)) {\r
+ tests[hits].modulation = DEMOD_NRZ;\r
+ tests[hits].inverted = TRUE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ \r
+ if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset)) {\r
+ tests[hits].modulation = DEMOD_PSK1;\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ \r
+ if ( PSKDemod("0 1 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset)) {\r
+ tests[hits].modulation = DEMOD_PSK1;\r
+ tests[hits].inverted = TRUE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+\r
+ // PSK2 - needs a call to psk1TOpsk2.\r
+ if ( PSKDemod("0 0 1", FALSE)) {\r
+ psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
+ if (test(DEMOD_PSK2, &tests[hits].offset)){\r
+ tests[hits].modulation = DEMOD_PSK2;\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ } // inverse waves does not affect this demod\r
+\r
+ // PSK3 - needs a call to psk1TOpsk2.\r
+ if ( PSKDemod("0 0 1", FALSE)) {\r
+ psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
+ if (test(DEMOD_PSK3, &tests[hits].offset)){\r
+ tests[hits].modulation = DEMOD_PSK3;\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ } // inverse waves does not affect this demod\r
+ \r
+ if ( ASKbiphaseDemod("0 0 0 1", FALSE) && test(DEMOD_BI, &tests[hits].offset) ) {\r
+ tests[hits].modulation = DEMOD_BI;\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ if ( ASKbiphaseDemod("0 0 1 1", FALSE) && test(DEMOD_BIa, &tests[hits].offset) ) {\r
+ tests[hits].modulation = DEMOD_BIa;\r
+ tests[hits].inverted = TRUE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ } \r
+ if ( hits == 1) {\r
+ config.modulation = tests[0].modulation;\r
+ config.inverted = tests[0].inverted;\r
+ config.offset = tests[0].offset;\r
+ config.block0 = tests[0].block0;\r
+ printConfiguration( config );\r
+ return TRUE;\r
+ }\r
+ \r
+ if ( hits > 1) {\r
+ PrintAndLog("Found [%d] possible matches for modulation.",hits);\r
+ for(int i=0; i<hits; ++i){\r
+ PrintAndLog("--[%d]---------------", i+1);\r
+ printConfiguration( tests[i] );\r
+ }\r
+ }\r
+ return FALSE;\r
+}\r
+\r
+bool testModulation(uint8_t mode, uint8_t modread){\r
+ switch( mode ){\r
+ case DEMOD_FSK:\r
+ if (modread > 3 && modread < 8) return TRUE;\r
+ break;\r
+ case DEMOD_ASK:\r
+ if (modread == DEMOD_ASK) return TRUE;\r
+ break;\r
+ case DEMOD_PSK1:\r
+ if (modread == DEMOD_PSK1) return TRUE;\r
+ break;\r
+ case DEMOD_PSK2:\r
+ if (modread == DEMOD_PSK2) return TRUE;\r
+ break;\r
+ case DEMOD_PSK3:\r
+ if (modread == DEMOD_PSK3) return TRUE;\r
+ break;\r
+ case DEMOD_NRZ:\r
+ if (modread == DEMOD_NRZ) return TRUE;\r
+ break;\r
+ case DEMOD_BI:\r
+ if (modread == DEMOD_BI) return TRUE;\r
+ break;\r
+ case DEMOD_BIa:\r
+ if (modread == DEMOD_BIa) return TRUE;\r
+ break; \r
+ default:\r
+ return FALSE;\r
+ }\r
+ return FALSE;\r
+}\r
+\r
+bool testBitRate(uint8_t readRate, uint8_t mod){\r
+ uint8_t expected[8] = {8, 16, 32, 40, 50, 64, 100, 128};\r
+ uint8_t detRate = 0;\r
+ switch( mod ){\r
+ case DEMOD_FSK:\r
+ detRate = GetFskClock("",FALSE, FALSE); \r
+ if (expected[readRate] == detRate) {\r
+ config.bitrate = readRate;\r
+ return TRUE;\r
+ }\r
+ break;\r
+ case DEMOD_FSK1:\r
+ detRate = GetFskClock("",FALSE, FALSE); \r
+ if (expected[readRate] == detRate) {\r
+ config.bitrate = readRate;\r
+ return TRUE;\r
+ }\r
+ break;\r
+ case DEMOD_FSK1a:\r
+ detRate = GetFskClock("",FALSE, FALSE); \r
+ if (expected[readRate] == detRate) {\r
+ config.bitrate = readRate;\r
+ return TRUE;\r
+ }\r
+ break;\r
+ case DEMOD_FSK2:\r
+ detRate = GetFskClock("",FALSE, FALSE); \r
+ if (expected[readRate] == detRate) {\r
+ config.bitrate = readRate;\r
+ return TRUE;\r
+ }\r
+ break;\r
+ case DEMOD_FSK2a:\r
+ detRate = GetFskClock("",FALSE, FALSE); \r
+ if (expected[readRate] == detRate) {\r
+ config.bitrate = readRate;\r
+ return TRUE;\r
+ }\r
+ break;\r
+ case DEMOD_ASK:\r
+ detRate = GetAskClock("",FALSE, FALSE); \r
+ if (expected[readRate] == detRate) {\r
+ config.bitrate = readRate;\r
+ return TRUE;\r
+ }\r
+ break;\r
+ case DEMOD_PSK1:\r
+ detRate = GetPskClock("",FALSE, FALSE); \r
+ if (expected[readRate] == detRate) {\r
+ config.bitrate = readRate;\r
+ return TRUE;\r
+ }\r
+ break;\r
+ case DEMOD_PSK2:\r
+ detRate = GetPskClock("",FALSE, FALSE); \r
+ if (expected[readRate] == detRate) {\r
+ config.bitrate = readRate;\r
+ return TRUE;\r
+ }\r
+ break;\r
+ case DEMOD_PSK3:\r
+ detRate = GetPskClock("",FALSE, FALSE); \r
+ if (expected[readRate] == detRate) {\r
+ config.bitrate = readRate;\r
+ return TRUE;\r
+ }\r
+ break;\r
+ case DEMOD_NRZ:\r
+ detRate = GetNrzClock("",FALSE, FALSE); \r
+ if (expected[readRate] == detRate) {\r
+ config.bitrate = readRate;\r
+ return TRUE;\r
+ }\r
+ break;\r
+ case DEMOD_BI:\r
+ detRate = GetAskClock("",FALSE, FALSE); \r
+ if (expected[readRate] == detRate) {\r
+ config.bitrate = readRate;\r
+ return TRUE;\r
+ }\r
+ break;\r
+ default:\r
+ return FALSE;\r
+ }\r
+ return FALSE;\r
+}\r
+\r
+bool test(uint8_t mode, uint8_t *offset){\r
+\r
+ if ( !DemodBufferLen) return FALSE;\r
+ uint8_t si = 0;\r
+ for (uint8_t idx = 0; idx < 64; idx++){\r
+ si = idx;\r
+ if ( PackBits(si, 32, DemodBuffer) == 0x00 ) continue;\r
+\r
+ uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key\r
+ uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode\r
+ // 2nibble must be zeroed.\r
+ // moved test to here, since this gets most faults first.\r
+ if ( resv > 0x00) continue;\r
+\r
+ uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //new\r
+ uint8_t bitRate = PackBits(si, 3, DemodBuffer); si += 3; //new could check bit rate\r
+ uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode\r
+ uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1; //new\r
+ //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //new could check psk cr\r
+ uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24 , 30, 31 could be tested for 0 if not extended mode\r
+ uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;\r
+ \r
+ //if extended mode\r
+ bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;\r
+\r
+ if (!extMode){\r
+ if (nml01 || nml02 || xtRate) continue;\r
+ }\r
+ //test modulation\r
+ if (!testModulation(mode, modread)) continue;\r
+\r
+ *offset = idx;\r
+ if (!testBitRate(bitRate, mode)) continue;\r
+ return TRUE;\r
+ }\r
+ return FALSE;\r
}\r
\r
-int CmdWriteBlkPWD(const char *Cmd)\r
+void printT55xxBlock(const char *demodStr){\r
+ \r
+ uint8_t i = config.offset;\r
+ uint8_t endpos = 32 + i;\r
+ uint32_t blockData = 0;\r
+ uint8_t bits[64] = {0x00};\r
+\r
+ if ( !DemodBufferLen) return;\r
+\r
+ if ( endpos > DemodBufferLen){\r
+ PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);\r
+ return;\r
+ }\r
+\r
+ for (; i < endpos; ++i)\r
+ bits[i - config.offset]=DemodBuffer[i];\r
+\r
+ blockData = PackBits(0, 32, bits);\r
+ PrintAndLog("0x%08X %s [%s]", blockData, sprint_bin(bits,32), demodStr);\r
+}\r
+\r
+int special(const char *Cmd) {\r
+ uint32_t blockData = 0;\r
+ uint8_t bits[32] = {0x00};\r
+\r
+ PrintAndLog("[OFFSET] [DATA] [BINARY]");\r
+ PrintAndLog("----------------------------------------------------");\r
+ int i,j = 0;\r
+ for (; j < 64; ++j){\r
+ \r
+ for (i = 0; i < 32; ++i)\r
+ bits[i]=DemodBuffer[j+i];\r
+ \r
+ blockData = PackBits(0, 32, bits);\r
+ \r
+ PrintAndLog("[%02d] 0x%08X %s",j , blockData, sprint_bin(bits,32)); \r
+ }\r
+ return 0;\r
+}\r
+\r
+void printConfiguration( t55xx_conf_block_t b){\r
+ PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );\r
+ PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );\r
+ PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );\r
+ PrintAndLog("Offset : %d", b.offset);\r
+ PrintAndLog("Block0 : 0x%08X", b.block0);\r
+ PrintAndLog("");\r
+}\r
+\r
+int CmdT55xxWriteBlock(const char *Cmd)\r
{\r
- int Block = 8; //default to invalid block\r
- int Data = 0xFFFFFFFF; //default to blank Block \r
- int Password = 0xFFFFFFFF; //default to blank Block 7\r
- UsbCommand c;\r
-\r
- sscanf(Cmd, "%x %d %x", &Data, &Block, &Password);\r
-\r
- if (Block > 7) {\r
- PrintAndLog("Block must be between 0 and 7");\r
- return 1;\r
- } \r
-\r
- PrintAndLog("Writting block %d with data %08X and password %08X", Block, Data, Password);\r
-\r
- c.cmd = CMD_T55XX_WRITE_BLOCK;\r
- c.d.asBytes[0] = 0x1; //Password mode\r
- c.arg[0] = Data;\r
- c.arg[1] = Block;\r
- c.arg[2] = Password;\r
- SendCommand(&c);\r
- return 0;\r
+ int block = 8; //default to invalid block\r
+ int data = 0xFFFFFFFF; //default to blank Block \r
+ int password = 0xFFFFFFFF; //default to blank Block 7\r
+ \r
+ char cmdp = param_getchar(Cmd, 0);\r
+ if (cmdp == 'h' || cmdp == 'H') {\r
+ usage_t55xx_write();\r
+ return 0;\r
+ }\r
+ \r
+ int res = sscanf(Cmd, "%d %x %x",&block, &data, &password);\r
+ \r
+ if ( res < 2 || res > 3) {\r
+ usage_t55xx_write();\r
+ return 1;\r
+ }\r
+\r
+ if (block > 7) {\r
+ PrintAndLog("Block number must be between 0 and 7");\r
+ return 1;\r
+ }\r
+ \r
+ UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};\r
+ c.d.asBytes[0] = 0x0; \r
+\r
+ PrintAndLog("Writing to block: %d data : 0x%08X", block, data);\r
+\r
+ //Password mode\r
+ if (res == 3) {\r
+ c.arg[2] = password;\r
+ c.d.asBytes[0] = 0x1; \r
+ PrintAndLog("pwd : 0x%08X", password);\r
+ }\r
+ SendCommand(&c);\r
+ return 0;\r
}\r
\r
-int CmdReadTrace(const char *Cmd)\r
+int CmdT55xxReadTrace(const char *Cmd)\r
{\r
+ char cmdp = param_getchar(Cmd, 0);\r
+ \r
+ if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') \r
+ return usage_t55xx_trace();\r
+\r
+ if (strlen(Cmd)==0)\r
+ AquireData( TRACE_BLOCK );\r
+ \r
+ if (!DecodeT55xxBlock()) return 1;\r
\r
- PrintAndLog("Reading traceability data");\r
+ if ( !DemodBufferLen) return 1;\r
+ \r
+ RepaintGraphWindow();\r
+ uint8_t repeat = 0;\r
+ if (config.offset > 5) \r
+ repeat = 32;\r
+ uint8_t si = config.offset+repeat;\r
+ uint32_t bl0 = PackBits(si, 32, DemodBuffer);\r
+ uint32_t bl1 = PackBits(si+32, 32, DemodBuffer);\r
+ \r
+ uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;\r
+ uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;\r
+ uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;\r
+ uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;\r
+ uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;\r
+ uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;\r
+ uint32_t lotid = PackBits(si, 12, DemodBuffer); si += 12;\r
+ uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;\r
+ uint32_t dw = PackBits(si, 15, DemodBuffer); \r
+ \r
+ year += 2000;\r
+ \r
+ PrintAndLog("");\r
+ PrintAndLog("-- T55xx Trace Information ----------------------------------");\r
+ PrintAndLog("-------------------------------------------------------------");\r
+ PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);\r
+ PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));\r
+ PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));\r
+ PrintAndLog(" ICR IC Revision : %d",icr );\r
+ PrintAndLog(" Manufactured");\r
+ PrintAndLog(" Year/Quarter : %d/%d",year, quarter );\r
+ PrintAndLog(" Lot ID : %d", lotid );\r
+ PrintAndLog(" Wafer number : %d", wafer);\r
+ PrintAndLog(" Die Number : %d", dw);\r
+ PrintAndLog("-------------------------------------------------------------");\r
+ PrintAndLog(" Raw Data - Page 1");\r
+ PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset+repeat,32) );\r
+ PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );\r
+ PrintAndLog("-------------------------------------------------------------");\r
\r
- UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}};\r
- SendCommand(&c);\r
+ if ( acl != 0xE0 )\r
+ PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");\r
+ /*\r
+ TRACE - BLOCK O\r
+ Bits Definition HEX\r
+ 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0 \r
+ 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation\r
+ 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2 \r
+ 22-24 ICR IC revision\r
+ 25-28 YEAR (BCD encoded) 9 (= 2009)\r
+ 29-30 QUARTER 1,2,3,4 \r
+ 31-32 LOT ID\r
+ \r
+ TRACE - BLOCK 1\r
+ 1-12 LOT ID \r
+ 13-17 Wafer number\r
+ 18-32 DW, die number sequential\r
+ */\r
+ \r
return 0;\r
}\r
\r
+int CmdT55xxInfo(const char *Cmd){\r
+ /*\r
+ Page 0 Block 0 Configuration data.\r
+ Normal mode\r
+ Extended mode\r
+ */\r
+ char cmdp = param_getchar(Cmd, 0);\r
+\r
+ if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')\r
+ return usage_t55xx_info();\r
+ \r
+ if (strlen(Cmd)==0)\r
+ AquireData( CONFIGURATION_BLOCK );\r
+ \r
+ if (!DecodeT55xxBlock()) return 1;\r
+\r
+ if ( !DemodBufferLen) return 1;\r
+\r
+ uint8_t si = config.offset;\r
+ uint32_t bl0 = PackBits(si, 32, DemodBuffer);\r
+ \r
+ uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4; \r
+ uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;\r
+ uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;\r
+ uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;\r
+ uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;\r
+ uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;\r
+ uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1; \r
+ uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1; \r
+ uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;\r
+ uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1; \r
+ uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1; \r
+ uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;\r
+ uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1; \r
+ uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;\r
+ \r
+ PrintAndLog("");\r
+ PrintAndLog("-- T55xx Configuration & Tag Information --------------------");\r
+ PrintAndLog("-------------------------------------------------------------");\r
+ PrintAndLog(" Safer key : %s", GetSaferStr(safer));\r
+ PrintAndLog(" reserved : %d", resv);\r
+ PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));\r
+ PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");\r
+ PrintAndLog(" Modulation : %s", GetModulationStr(datamod));\r
+ PrintAndLog(" PSK clock frequency : %d", pskcf);\r
+ PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");\r
+ PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );\r
+ PrintAndLog(" Max block : %d", maxblk);\r
+ PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");\r
+ PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");\r
+ PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");\r
+ PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");\r
+ PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");\r
+ PrintAndLog("-------------------------------------------------------------");\r
+ PrintAndLog(" Raw Data - Page 0");\r
+ PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );\r
+ PrintAndLog("-------------------------------------------------------------");\r
+ \r
+ return 0;\r
+}\r
+\r
+int CmdT55xxDump(const char *Cmd){\r
+\r
+ char s[20] = {0x00};\r
+ uint8_t pwd[4] = {0x00};\r
+\r
+ char cmdp = param_getchar(Cmd, 0);\r
+ if ( cmdp == 'h' || cmdp == 'H') {\r
+ usage_t55xx_dump();\r
+ return 0;\r
+ }\r
+\r
+ bool hasPwd = ( strlen(Cmd) > 0); \r
+ if ( hasPwd ){\r
+ if (param_gethex(Cmd, 0, pwd, 8)) {\r
+ PrintAndLog("password must include 8 HEX symbols");\r
+ return 1;\r
+ }\r
+ }\r
+ \r
+ for ( int i = 0; i <8; ++i){\r
+ memset(s,0,sizeof(s));\r
+ if ( hasPwd ) {\r
+ sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]);\r
+ } else {\r
+ sprintf(s,"%d", i);\r
+ }\r
+ CmdT55xxReadBlock(s);\r
+ }\r
+ return 0;\r
+}\r
+\r
+int AquireData( uint8_t block ){\r
+\r
+ UsbCommand c;\r
+ \r
+ if ( block == CONFIGURATION_BLOCK ) \r
+ c.cmd = CMD_T55XX_READ_BLOCK;\r
+ else if (block == TRACE_BLOCK )\r
+ c.cmd = CMD_T55XX_READ_TRACE;\r
+ \r
+ c.arg[0] = 0x00;\r
+ c.arg[1] = 0x00;\r
+ c.arg[2] = 0x00;\r
+ c.d.asBytes[0] = 0x0; \r
+\r
+ //Password mode\r
+ // if ( res == 2 ) {\r
+ // c.arg[2] = password;\r
+ // c.d.asBytes[0] = 0x1; \r
+ // }\r
+\r
+ SendCommand(&c);\r
+ if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {\r
+ PrintAndLog("command execution time out");\r
+ return 1;\r
+ }\r
+\r
+ uint8_t got[12000];\r
+ GetFromBigBuf(got,sizeof(got),0);\r
+ WaitForResponse(CMD_ACK,NULL);\r
+ setGraphBuf(got, 12000);\r
+ return 0;\r
+}\r
+\r
+char * GetBitRateStr(uint32_t id){\r
+ static char buf[40];\r
+ char *retStr = buf;\r
+ switch (id){\r
+ case 0: \r
+ sprintf(retStr,"%d - RF/8",id);\r
+ break;\r
+ case 1:\r
+ sprintf(retStr,"%d - RF/16",id);\r
+ break;\r
+ case 2: \r
+ sprintf(retStr,"%d - RF/32",id);\r
+ break;\r
+ case 3:\r
+ sprintf(retStr,"%d - RF/40",id);\r
+ break;\r
+ case 4:\r
+ sprintf(retStr,"%d - RF/50",id);\r
+ break;\r
+ case 5:\r
+ sprintf(retStr,"%d - RF/64",id);\r
+ break;\r
+ case 6:\r
+ sprintf(retStr,"%d - RF/100",id);\r
+ break;\r
+ case 7:\r
+ sprintf(retStr,"%d - RF/128",id);\r
+ break;\r
+ default:\r
+ sprintf(retStr,"%d - (Unknown)",id);\r
+ break;\r
+ }\r
+\r
+ return buf;\r
+}\r
+\r
+char * GetSaferStr(uint32_t id){\r
+ static char buf[40];\r
+ char *retStr = buf;\r
+ \r
+ sprintf(retStr,"%d",id);\r
+ if (id == 6) {\r
+ sprintf(retStr,"%d - passwd",id);\r
+ }\r
+ if (id == 9 ){\r
+ sprintf(retStr,"%d - testmode",id);\r
+ }\r
+ \r
+ return buf;\r
+}\r
+char * GetModulationStr( uint32_t id){\r
+ static char buf[40];\r
+ char *retStr = buf;\r
+ \r
+ switch (id){\r
+ case 0: \r
+ sprintf(retStr,"%d - DIRECT (ASK/NRZ)",id);\r
+ break;\r
+ case 1:\r
+ sprintf(retStr,"%d - PSK 1 phase change when input changes",id);\r
+ break;\r
+ case 2: \r
+ sprintf(retStr,"%d - PSK 2 phase change on bitclk if input high",id);\r
+ break;\r
+ case 3:\r
+ sprintf(retStr,"%d - PSK 3 phase change on rising edge of input",id);\r
+ break;\r
+ case 4:\r
+ sprintf(retStr,"%d - FSK 1 RF/8 RF/5",id);\r
+ break;\r
+ case 5:\r
+ sprintf(retStr,"%d - FSK 2 RF/8 RF/10",id);\r
+ break;\r
+ case 6:\r
+ sprintf(retStr,"%d - FSK 1a RF/5 RF/8",id);\r
+ break;\r
+ case 7:\r
+ sprintf(retStr,"%d - FSK 2a RF/10 RF/8",id);\r
+ break;\r
+ case 8:\r
+ sprintf(retStr,"%d - Manschester",id);\r
+ break;\r
+ case 16:\r
+ sprintf(retStr,"%d - Biphase",id);\r
+ break;\r
+ case 0x18:\r
+ sprintf(retStr,"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id);\r
+ break;\r
+ case 17:\r
+ sprintf(retStr,"%d - Reserved",id);\r
+ break;\r
+ default:\r
+ sprintf(retStr,"0x%02X (Unknown)",id);\r
+ break;\r
+ }\r
+ return buf;\r
+}\r
+\r
+char * GetModelStrFromCID(uint32_t cid){\r
+ \r
+ static char buf[10];\r
+ char *retStr = buf;\r
+ \r
+ if (cid == 1) sprintf(retStr,"ATA5577M1");\r
+ if (cid == 2) sprintf(retStr,"ATA5577M2"); \r
+ return buf;\r
+}\r
+\r
+char * GetSelectedModulationStr( uint8_t id){\r
+\r
+ static char buf[16];\r
+ char *retStr = buf;\r
+\r
+ switch (id){\r
+ case DEMOD_FSK:\r
+ sprintf(retStr,"FSK");\r
+ break;\r
+ case DEMOD_FSK1:\r
+ sprintf(retStr,"FSK1");\r
+ break;\r
+ case DEMOD_FSK1a:\r
+ sprintf(retStr,"FSK1a");\r
+ break;\r
+ case DEMOD_FSK2:\r
+ sprintf(retStr,"FSK2");\r
+ break;\r
+ case DEMOD_FSK2a:\r
+ sprintf(retStr,"FSK2a");\r
+ break;\r
+ case DEMOD_ASK: \r
+ sprintf(retStr,"ASK");\r
+ break;\r
+ case DEMOD_NRZ:\r
+ sprintf(retStr,"DIRECT/NRZ");\r
+ break;\r
+ case DEMOD_PSK1:\r
+ sprintf(retStr,"PSK1");\r
+ break;\r
+ case DEMOD_PSK2:\r
+ sprintf(retStr,"PSK2");\r
+ break;\r
+ case DEMOD_PSK3:\r
+ sprintf(retStr,"PSK3");\r
+ break;\r
+ case DEMOD_BI:\r
+ sprintf(retStr,"BIPHASE");\r
+ break;\r
+ case DEMOD_BIa:\r
+ sprintf(retStr,"BIPHASEa - (CDP)");\r
+ break;\r
+ default:\r
+ sprintf(retStr,"(Unknown)");\r
+ break;\r
+ }\r
+ return buf;\r
+}\r
+\r
+uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){\r
+ \r
+ int i = start;\r
+ int j = len-1;\r
+\r
+ if (len > 32) return 0;\r
+\r
+ uint32_t tmp = 0;\r
+ for (; j >= 0; --j, ++i)\r
+ tmp |= bits[i] << j;\r
+\r
+ return tmp;\r
+}\r
+\r
static command_t CommandTable[] =\r
{\r
- {"help", CmdHelp, 1, "This help"},\r
- {"readblock", CmdReadBlk, 1, "<Block> -- Read T55xx block data (page 0)"},\r
- {"readblockPWD", CmdReadBlkPWD, 1, "<Block> <Password> -- Read T55xx block data in password mode(page 0)"},\r
- {"writeblock", CmdWriteBlk, 1, "<Data> <Block> -- Write T55xx block data (page 0)"},\r
- {"writeblockPWD", CmdWriteBlkPWD, 1, "<Data> <Block> <Password> -- Write T55xx block data in password mode(page 0)"},\r
- {"readtrace", CmdReadTrace, 1, "Read T55xx traceability data (page 1)"},\r
+ {"help", CmdHelp, 1, "This help"},\r
+ {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},\r
+ {"detect", CmdT55xxDetect, 0, "[1] Try detecting the tag modulation from reading the configuration block."},\r
+ {"read", CmdT55xxReadBlock, 0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},\r
+ {"write", CmdT55xxWriteBlock,0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},\r
+ {"trace", CmdT55xxReadTrace, 0, "[1] Show T55xx traceability data (page 1/ blk 0-1)"},\r
+ {"info", CmdT55xxInfo, 0, "[1] Show T55xx configuration data (page 0/ blk 0)"},\r
+ {"dump", CmdT55xxDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"},\r
+ {"special", special, 0, "Show block changes with 64 different offsets"},\r
{NULL, NULL, 0, NULL}\r
};\r
\r
#ifndef CMDLFT55XX_H__\r
#define CMDLFT55XX_H__\r
\r
+typedef struct {\r
+ enum {\r
+ DEMOD_NRZ = 0x00, \r
+ DEMOD_PSK1 = 0x01,\r
+ DEMOD_PSK2 = 0x02,\r
+ DEMOD_PSK3 = 0x03,\r
+ DEMOD_FSK1 = 0x04, \r
+ DEMOD_FSK1a = 0x05, \r
+ DEMOD_FSK2 = 0x06, \r
+ DEMOD_FSK2a = 0x07, \r
+ DEMOD_FSK = 0xF0, //generic FSK (auto detect FCs) \r
+ DEMOD_ASK = 0x08,\r
+ DEMOD_BI = 0x10,\r
+ DEMOD_BIa = 0x18, \r
+ } modulation;\r
+ bool inverted;\r
+ uint8_t offset;\r
+ uint32_t block0;\r
+ enum {\r
+ RF_8 = 0x00,\r
+ RF_16 = 0x01,\r
+ RF_32 = 0x02,\r
+ RF_40 = 0x03,\r
+ RF_50 = 0x04,\r
+ RF_64 = 0x05,\r
+ RF_100 = 0x06,\r
+ RF_128 = 0x07,\r
+ } bitrate;\r
+} t55xx_conf_block_t;\r
+\r
int CmdLFT55XX(const char *Cmd);\r
+int CmdT55xxSetConfig(const char *Cmd);\r
+int CmdT55xxReadBlock(const char *Cmd);\r
+int CmdT55xxWriteBlock(const char *Cmd);\r
+int CmdT55xxReadTrace(const char *Cmd);\r
+int CmdT55xxInfo(const char *Cmd);\r
+int CmdT55xxDetect(const char *Cmd);\r
+\r
+char * GetBitRateStr(uint32_t id);\r
+char * GetSaferStr(uint32_t id);\r
+char * GetModulationStr( uint32_t id);\r
+char * GetModelStrFromCID(uint32_t cid);\r
+char * GetSelectedModulationStr( uint8_t id);\r
+uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bitstream);\r
+void printT55xxBlock(const char *demodStr);\r
+void printConfiguration( t55xx_conf_block_t b);\r
\r
-int CmdReadBlk(const char *Cmd);\r
-int CmdReadBlkPWD(const char *Cmd);\r
-int CmdWriteBlk(const char *Cmd);\r
-int CmdWriteBLkPWD(const char *Cmd);\r
-int CmdReadTrace(const char *Cmd);\r
+bool DecodeT55xxBlock();\r
+bool tryDetectModulation();\r
+bool test(uint8_t mode, uint8_t *offset);\r
+int special(const char *Cmd);\r
+int AquireData( uint8_t block );\r
\r
#endif\r
--- /dev/null
+local cmds = require('commands')
+local getopt = require('getopt')
+local bin = require('bin')
+local utils = require('utils')
+
+local format=string.format
+local floor=math.floor
+
+example =[[
+ 1. script run test_t55x7_ask
+]]
+author = "Iceman"
+usage = "script run test_t55x7_ask"
+desc =[[
+This script will program a T55x7 TAG with the configuration: block 0x00 data 0x000100
+The outlined procedure is as following:
+
+--ASK
+ 00 00 80 40
+-- max 2
+-- manchester
+-- bit rate
+
+"lf t55xx write 0 00008040"
+"lf t55xx detect"
+"lf t55xx info"
+
+Loop:
+ change the configuretion block 0 with:
+ -xx 00 xxxx = RF/8
+ -xx 04 xxxx = RF/16
+ -xx 08 xxxx = RF/32
+ -xx 0C xxxx = RF/40
+ -xx 10 xxxx = RF/50
+ -xx 14 xxxx = RF/64
+ -xx 18 xxxx = RF/100
+ -xx 1C xxxx = RF/128
+
+
+testsuit for the ASK/MANCHESTER demod
+
+Arguments:
+ -h : this help
+]]
+
+local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
+local DEBUG = true -- the debug flag
+
+--BLOCK 0 = 00008040 ASK / MAN
+local config1 = '00'
+local config2 = '8040'
+
+local procedurecmds = {
+ [1] = '%s%02X%s',
+ [2] = 'lf t55xx detect',
+ [3] = 'lf t55xx info',
+}
+---
+-- A debug printout-function
+function dbg(args)
+ if not DEBUG then
+ return
+ end
+
+ if type(args) == "table" then
+ local i = 1
+ while args[i] do
+ dbg(args[i])
+ i = i+1
+ end
+ else
+ print("###", args)
+ end
+end
+---
+-- This is only meant to be used when errors occur
+function oops(err)
+ print("ERROR: ",err)
+end
+---
+-- Usage help
+function help()
+ print(desc)
+ print("Example usage")
+ print(example)
+end
+--
+-- Exit message
+function ExitMsg(msg)
+ print( string.rep('--',20) )
+ print( string.rep('--',20) )
+ print(msg)
+ print()
+end
+
+function test()
+ local y
+ for y = 0x0, 0x1d, 0x4 do
+ for _ = 1, #procedurecmds do
+ local pcmd = procedurecmds[_]
+
+ if #pcmd == 0 then
+
+ elseif _ == 1 then
+
+ local config = pcmd:format(config1, y, config2)
+ dbg(('lf t55xx write 0 %s'):format(config))
+ config = tonumber(config,16)
+
+ local writecmd = Command:new{cmd = cmds.CMD_T55XX_WRITE_BLOCK, arg1 = config}
+ local err = core.SendCommand(writecmd:getBytes())
+ if err then return oops(err) end
+ local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
+
+ else
+ dbg(pcmd)
+ core.console( pcmd )
+ end
+ end
+ core.clearCommandBuffer()
+ end
+ print( string.rep('--',20) )
+end
+
+local function main(args)
+
+ print( string.rep('--',20) )
+ print( string.rep('--',20) )
+
+ -- Arguments for the script
+ for o, arg in getopt.getopt(args, 'h') do
+ if o == "h" then return help() end
+ end
+
+ core.clearCommandBuffer()
+ test()
+ print( string.rep('--',20) )
+end
+main(args)
\ No newline at end of file
--- /dev/null
+local cmds = require('commands')
+local getopt = require('getopt')
+local bin = require('bin')
+local utils = require('utils')
+
+example =[[
+ 1. script run test_t55x7_bi
+]]
+author = "Iceman"
+usage = "script run test_t55x7_bi"
+desc =[[
+This script will program a T55x7 TAG with the configuration: block 0x00 data 0x00010040
+The outlined procedure is as following:
+
+--BIPHASE 00010040
+--
+
+"lf t55xx write 0 00010040"
+"lf t55xx detect"
+"lf t55xx info"
+
+Loop:
+ change the configuretion block 0 with:
+ -xx01xxxx = RF/8
+ -xx05xxxx = RF/16
+ -xx09xxxx = RF/32
+ -xx0Dxxxx = RF/40
+ -xx11xxxx = RF/50
+ -xx15xxxx = RF/64
+ -xx19xxxx = RF/100
+ -xx1Dxxxx = RF/128
+
+
+testsuit for the BIPHASE demod
+
+Arguments:
+ -h : this help
+]]
+
+local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
+local DEBUG = true -- the debug flag
+
+--BLOCK 0 = 00010040 BIPHASE
+local config1 = '00'
+local config2 = '0040'
+
+local procedurecmds = {
+ [1] = '%s%02X%s',
+ [2] = 'lf t55xx detect',
+ [3] = 'lf t55xx info',
+}
+---
+-- A debug printout-function
+function dbg(args)
+ if not DEBUG then
+ return
+ end
+
+ if type(args) == "table" then
+ local i = 1
+ while args[i] do
+ dbg(args[i])
+ i = i+1
+ end
+ else
+ print("###", args)
+ end
+end
+---
+-- This is only meant to be used when errors occur
+function oops(err)
+ print("ERROR: ",err)
+end
+---
+-- Usage help
+function help()
+ print(desc)
+ print("Example usage")
+ print(example)
+end
+--
+-- Exit message
+function ExitMsg(msg)
+ print( string.rep('--',20) )
+ print( string.rep('--',20) )
+ print(msg)
+ print()
+end
+
+function test()
+ local y
+ for y = 1, 0x1D, 4 do
+ for _ = 1, #procedurecmds do
+ local pcmd = procedurecmds[_]
+
+ if #pcmd == 0 then
+
+ elseif _ == 1 then
+
+ local config = pcmd:format(config1, y, config2)
+ dbg(('lf t55xx wr 0 %s'):format(config))
+
+ config = tonumber(config,16)
+ local writecmd = Command:new{cmd = cmds.CMD_T55XX_WRITE_BLOCK, arg1 = config}
+ local err = core.SendCommand(writecmd:getBytes())
+ if err then return oops(err) end
+ local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
+ else
+ dbg(pcmd)
+ core.console( pcmd )
+ end
+ end
+ core.clearCommandBuffer()
+ end
+ print( string.rep('--',20) )
+
+end
+
+local function main(args)
+
+ print( string.rep('--',20) )
+ print( string.rep('--',20) )
+
+ -- Arguments for the script
+ for o, arg in getopt.getopt(args, 'h') do
+ if o == "h" then return help() end
+ end
+
+ core.clearCommandBuffer()
+ test()
+ print( string.rep('--',20) )
+end
+main(args)
--- /dev/null
+local cmds = require('commands')
+local getopt = require('getopt')
+local bin = require('bin')
+local utils = require('utils')
+
+example =[[
+ 1. script run test_t55x7_fsk
+]]
+author = "Iceman"
+usage = "script run test_t55x7_fsk"
+desc =[[
+This script will program a T55x7 TAG with the configuration: block 0x00 data 0x000100
+The outlined procedure is as following:
+
+--ASK
+ 00 00 80 40
+-- max 2 blocks
+-- FSK1
+-- bit rate
+
+"lf t55xx write 0 00007040"
+"lf t55xx detect"
+"lf t55xx info"
+
+Loop:
+ change the configuretion block 0 with:
+ -xx 00 xxxx = RF/8
+ -xx 04 xxxx = RF/16
+ -xx 08 xxxx = RF/32
+ -xx 0C xxxx = RF/40
+ -xx 10 xxxx = RF/50
+ -xx 14 xxxx = RF/64
+ -xx 18 xxxx = RF/100
+ -xx 1C xxxx = RF/128
+
+
+testsuit for the ASK/MANCHESTER demod
+
+Arguments:
+ -h : this help
+]]
+
+local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
+local DEBUG = true -- the debug flag
+
+--BLOCK 0 = 00008040 FSK
+local config1 = '00'
+local config2 = '040'
+
+local procedurecmds = {
+ [1] = '%s%02X%X%s',
+ [2] = 'lf t55xx detect',
+ [3] = 'lf t55xx info',
+}
+---
+-- A debug printout-function
+function dbg(args)
+ if not DEBUG then
+ return
+ end
+
+ if type(args) == "table" then
+ local i = 1
+ while args[i] do
+ dbg(args[i])
+ i = i+1
+ end
+ else
+ print("###", args)
+ end
+end
+---
+-- This is only meant to be used when errors occur
+function oops(err)
+ print("ERROR: ",err)
+end
+---
+-- Usage help
+function help()
+ print(desc)
+ print("Example usage")
+ print(example)
+end
+--
+-- Exit message
+function ExitMsg(msg)
+ print( string.rep('--',20) )
+ print( string.rep('--',20) )
+ print(msg)
+ print()
+end
+
+function test(modulation)
+ local y
+ for y = 0x0, 0x1d, 0x4 do
+ for _ = 1, #procedurecmds do
+ local pcmd = procedurecmds[_]
+
+ if #pcmd == 0 then
+
+ elseif _ == 1 then
+
+ local config = pcmd:format(config1, y, modulation, config2)
+ dbg(('lf t55xx write 0 %s'):format(config))
+
+ config = tonumber(config,16)
+ local writecmd = Command:new{cmd = cmds.CMD_T55XX_WRITE_BLOCK, arg1 = config}
+ local err = core.SendCommand(writecmd:getBytes())
+ if err then return oops(err) end
+ local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
+
+ else
+ dbg(pcmd)
+ core.console( pcmd )
+ end
+ end
+ core.clearCommandBuffer()
+ end
+ print( string.rep('--',20) )
+end
+
+local function main(args)
+
+ print( string.rep('--',20) )
+ print( string.rep('--',20) )
+
+ -- Arguments for the script
+ for o, arg in getopt.getopt(args, 'h') do
+ if o == "h" then return help() end
+ end
+
+ core.clearCommandBuffer()
+ test(4)
+ test(5)
+ test(6)
+ test(7)
+ print( string.rep('--',20) )
+end
+main(args)
\ No newline at end of file
local getopt = require('getopt')
local bin = require('bin')
local utils = require('utils')
-local dumplib = require('html_dumplib')
example =[[
- 1. script run tracetest
- 2. script run tracetest -o
+ 1. script run test_t55x7_psk
+ 2. script run test_t55x7_psk -o
]]
author = "Iceman"
-usage = "script run test_t55x7_psk -o <filename>"
+usage = "script run test_t55x7_psk"
desc =[[
This script will program a T55x7 TAG with the configuration: block 0x00 data 0x00088040
The outlined procedure is as following:
Arguments:
-h : this help
- -o : logfile name
]]
local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
local DEBUG = true -- the debug flag
---BLOCK 0 = 00088040
-local config1 = '0008'
-local config2 = '40'
+-- local procedurecmds = {
+ -- [1] = '%s%s%s%s',
+ -- [2] = 'lf read',
+ -- --[3] = '',
+ -- [3] = 'data samples',
+ -- [4] = 'data pskdetectclock',
+ -- [5] = 'data psknrzrawdemod',
+ -- [6] = 'data pskindalademod',
+-- }
+
+-- --BLOCK 0 = 00 08 80 40 PSK
+ -- -----------
+ -- 08------- bitrate
+ -- 8----- modulation PSK1
+ -- 0---- PSK ClockRate
+ -- 40 max 2 blocks
+
local procedurecmds = {
- [1] = '%s%s%s%s',
- [2] = 'lf read',
+ [1] = '00%02X%X%X40',
+ [2] = 'lf t55xx detect',
--[3] = '',
- [3] = 'data samples',
- [4] = 'data pskdetectclock',
- [5] = 'data psknrzrawdemod',
- [6] = 'data pskindalademod',
+ [3] = 'lf t55xx info',
}
-
---
-- A debug printout-function
function dbg(args)
print()
end
-function pskTest(modulation)
- local y
- for y = 0, 8, 4 do
- for _ = 1, #procedurecmds do
- local cmd = procedurecmds[_]
-
- if #cmd == 0 then
-
- elseif _ == 1 then
-
- dbg("Writing to T55x7 TAG")
-
- local configdata = cmd:format( config1, modulation , y, config2)
+function test(modulation)
+ local bitrate
+ local clockrate
+ for bitrate = 0x0, 0x1d, 0x4 do
+
+ for clockrate = 0,8,4 do
+
+ for _ = 1, #procedurecmds do
+ local cmd = procedurecmds[_]
- dbg( configdata)
+ if #cmd == 0 then
- local writecommand = Command:new{cmd = cmds.CMD_T55XX_WRITE_BLOCK, arg1 = configdata ,arg2 = 0, arg3 = 0}
- local err = core.SendCommand(writecommand:getBytes())
- if err then return oops(err) end
- local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
-
- if response then
- local count,cmd,arg0 = bin.unpack('LL',response)
- if(arg0==1) then
- dbg("Writing success")
- else
- return nil, "Couldn't read block.."
- end
+ elseif _ == 1 then
+
+ dbg("Writing to T55x7 TAG")
+
+ local config = cmd:format(bitrate, modulation, clockrate)
+ dbg(('lf t55xx write 0 %s'):format(config))
+
+ config = tonumber(config,16)
+ local writecommand = Command:new{cmd = cmds.CMD_T55XX_WRITE_BLOCK, arg1 = config ,arg2 = 0, arg3 = 0}
+ local err = core.SendCommand(writecommand:getBytes())
+ if err then return oops(err) end
+ local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
+ else
+ dbg(cmd)
+ core.console( cmd )
end
-
- else
- dbg(cmd)
- core.console( cmd )
end
+ core.clearCommandBuffer()
end
- core.clearCommandBuffer()
end
print( string.rep('--',20) )
-
end
local function main(args)
print( string.rep('--',20) )
print( string.rep('--',20) )
- local outputTemplate = os.date("testpsk_%Y-%m-%d_%H%M%S")
-
-- Arguments for the script
- for o, arg in getopt.getopt(args, 'ho:') do
+ for o, arg in getopt.getopt(args, 'h') do
if o == "h" then return help() end
- if o == "o" then outputTemplate = arg end
end
core.clearCommandBuffer()
- pskTest(1)
- pskTest(2)
- pskTest(3)
- pskTest(8)
+ test(1) -- PSK1
+ --test(2) -- PSK2
+ --test(3) -- PSK3
print( string.rep('--',20) )
end
-- XXXXX0XX = PSK RF/2
-- XXXXX4XX = PSK RF/4
- -- XXXXX8XX = PSK RF/8
\ No newline at end of file
+ -- XXXXX8XX = PSK RF/8
example =[[
1. script run tracetest
- 2. script run tracetest -o
-
]]
author = "Iceman"
-usage = "script run tracetest -o <filename>"
+usage = "script run tracetest"
desc =[[
This script will load several traces files in ../traces/ folder and do
"data load"
-"lf search"
+"lf search 1 u"
+
+The following tracefiles will be loaded:
+ em*.pm3
+ m*.pm3
Arguments:
-h : this help
- -o : logfile name
]]
local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
local tracesEM = "find '../traces/' -iname 'em*.pm3' -type f"
local tracesMOD = "find '../traces/' -iname 'm*.pm3' -type f"
+ local write2File = false
local outputTemplate = os.date("testtest_%Y-%m-%d_%H%M%S")
-- Arguments for the script
- for o, arg in getopt.getopt(args, 'ho:') do
+ for o, arg in getopt.getopt(args, 'h') do
if o == "h" then return help() end
- if o == "o" then outputTemplate = arg end
end
-
+
core.clearCommandBuffer()
local files = {}
end
p.close();
- local cmdLFSEARCH = "lf search 1"
+ local cmdLFSEARCH = "lf search 1 u"
-- main loop
io.write('Starting to test traces > ')
end
io.write('\n')
- -- Write dump to files
- if not DEBUG then
- local bar = dumplib.SaveAsText(emldata, outputTemplate..'.txt')
- print(("Wrote output to: %s"):format(bar))
- end
-
- -- Show info
print( string.rep('--',20) )
end
return 0;
}
-
-//by marshmellow
-//takes 1s and 0s and searches for EM410x format - output EM ID
-uint64_t Em410xDecodeOld(uint8_t *BitStream, size_t *size, size_t *startIdx)
-{
- //no arguments needed - built this way in case we want this to be a direct call from "data " cmds in the future
- // otherwise could be a void with no arguments
- //set defaults
- uint64_t lo=0;
- uint32_t i = 0;
- if (BitStream[1]>1){ //allow only 1s and 0s
- // PrintAndLog("no data found");
- return 0;
- }
- // 111111111 bit pattern represent start of frame
- uint8_t preamble[] = {1,1,1,1,1,1,1,1,1};
- uint32_t idx = 0;
- uint32_t parityBits = 0;
- uint8_t errChk = 0;
- *startIdx = 0;
- for (uint8_t extraBitChk=0; extraBitChk<5; extraBitChk++){
- errChk = preambleSearch(BitStream+extraBitChk+*startIdx, preamble, sizeof(preamble), size, startIdx);
- if (errChk == 0) return 0;
- idx = *startIdx + 9;
- for (i=0; i<10;i++){ //loop through 10 sets of 5 bits (50-10p = 40 bits)
- parityBits = bytebits_to_byte(BitStream+(i*5)+idx,5);
- //check even parity
- if (parityTest(parityBits, 5, 0) == 0){
- //parity failed try next bit (in the case of 1111111111) but last 9 = preamble
- startIdx++;
- errChk = 0;
- break;
- }
- //set uint64 with ID from BitStream
- for (uint8_t ii=0; ii<4; ii++){
- lo = (lo << 1LL) | (BitStream[(i*5)+ii+idx]);
- }
- }
- if (errChk != 0) return lo;
- //skip last 5 bit parity test for simplicity.
- // *size = 64;
- }
- return 0;
-}
-
//by marshmellow
//takes 1s and 0s and searches for EM410x format - output EM ID
uint8_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo)
errChk = preambleSearch(BitStream+extraBitChk+*startIdx, preamble, sizeof(preamble), size, startIdx);
if (errChk == 0) return 0;
if (*size>64) FmtLen = 22;
+ if (*size<64) return 0;
idx = *startIdx + 9;
for (i=0; i<FmtLen; i++){ //loop through 10 or 22 sets of 5 bits (50-10p = 40 bits or 88 bits)
parityBits = bytebits_to_byte(BitStream+(i*5)+idx,5);
//run through 2 times and take least errCnt
int manrawdecode(uint8_t * BitStream, size_t *size)
{
- uint16_t bitnum=0;
- uint16_t MaxBits = 500;
- uint16_t errCnt = 0;
- size_t i=1;
- uint16_t bestErr = 1000;
- uint16_t bestRun = 0;
- size_t ii=1;
+ uint16_t bitnum=0, MaxBits = 512, errCnt = 0;
+ size_t i, ii;
+ uint16_t bestErr = 1000, bestRun = 0;
if (size == 0) return -1;
- for (ii=1;ii<3;++ii){
- i=1;
+ for (ii=0;ii<2;++ii){
+ i=0;
for (i=i+ii;i<*size-2;i+=2){
if(BitStream[i]==1 && (BitStream[i+1]==0)){
} else if((BitStream[i]==0)&& BitStream[i+1]==1){
errCnt=bestErr;
if (errCnt<20){
ii=bestRun;
- i=1;
+ i=0;
for (i=i+ii; i < *size-2; i+=2){
if(BitStream[i] == 1 && (BitStream[i+1] == 0)){
BitStream[bitnum++]=0;
//by marshmellow
//take 01 or 10 = 1 and 11 or 00 = 0
//check for phase errors - should never have 111 or 000 should be 01001011 or 10110100 for 1010
+//decodes biphase or if inverted it is AKA conditional dephase encoding AKA differential manchester encoding
int BiphaseRawDecode(uint8_t *BitStream, size_t *size, int offset, int invert)
{
uint16_t bitnum=0;
if (!offsetA && offsetB) offset++;
for (i=offset; i<*size-3; i+=2){
//check for phase error
- if (i<*size-3 && BitStream[i+1]==BitStream[i+2]) {
+ if (BitStream[i+1]==BitStream[i+2]) {
BitStream[bitnum++]=77;
errCnt++;
}
return;
}
+int cleanAskRawDemod(uint8_t *BinStream, size_t *size, int clk, int invert, int high, int low)
+{
+ size_t bitCnt=0, smplCnt=0, errCnt=0;
+ uint8_t waveHigh = 0;
+ //PrintAndLog("clk: %d", clk);
+ for (size_t i=0; i < *size; i++){
+ if (BinStream[i] >= high && waveHigh){
+ smplCnt++;
+ } else if (BinStream[i] <= low && !waveHigh){
+ smplCnt++;
+ } else { //transition
+ if ((BinStream[i] >= high && !waveHigh) || (BinStream[i] <= low && waveHigh)){
+ if (smplCnt > clk-(clk/4)-1) { //full clock
+ if (smplCnt > clk + (clk/4)+1) { //too many samples
+ errCnt++;
+ BinStream[bitCnt++]=77;
+ } else if (waveHigh) {
+ BinStream[bitCnt++] = invert;
+ BinStream[bitCnt++] = invert;
+ } else if (!waveHigh) {
+ BinStream[bitCnt++] = invert ^ 1;
+ BinStream[bitCnt++] = invert ^ 1;
+ }
+ waveHigh ^= 1;
+ smplCnt = 0;
+ } else if (smplCnt > (clk/2) - (clk/4)-1) {
+ if (waveHigh) {
+ BinStream[bitCnt++] = invert;
+ } else if (!waveHigh) {
+ BinStream[bitCnt++] = invert ^ 1;
+ }
+ waveHigh ^= 1;
+ smplCnt = 0;
+ } else if (!bitCnt) {
+ //first bit
+ waveHigh = (BinStream[i] >= high);
+ smplCnt = 1;
+ } else {
+ smplCnt++;
+ //transition bit oops
+ }
+ } else { //haven't hit new high or new low yet
+ smplCnt++;
+ }
+ }
+ }
+ *size = bitCnt;
+ return errCnt;
+}
+
//by marshmellow
//takes 3 arguments - clock, invert and maxErr as integers
//attempts to demodulate ask only
if (*clk==0) return -1;
if (start<0) return -1;
if (*invert != 0 && *invert != 1) *invert =0;
+ if (amp==1) askAmp(BinStream, *size);
+
uint32_t initLoopMax = 200;
if (initLoopMax > *size) initLoopMax=*size;
// Detect high and lows
- //25% fuzz in case highs and lows aren't clipped [marshmellow]
+ //25% clip in case highs and lows aren't clipped [marshmellow]
+ uint8_t clip = 75;
int high, low, ans;
- if (amp==1) askAmp(BinStream, *size);
- ans = getHiLo(BinStream, initLoopMax, &high, &low, 75, 75);
+ ans = getHiLo(BinStream, initLoopMax, &high, &low, clip, clip);
if (ans<1) return -1; //just noise
+ if (DetectCleanAskWave(BinStream, *size, high, low)) {
+ //PrintAndLog("Clean");
+ return cleanAskRawDemod(BinStream, size, *clk, *invert, high, low);
+ }
+
//PrintAndLog("DEBUG - valid high: %d - valid low: %d",high,low);
int lastBit = 0; //set first clock check
uint32_t bitnum = 0; //output counter
uint32_t gLen = *size;
if (gLen > 500) gLen=500;
//if 0 errors allowed then only try first 2 clock cycles as we want a low tolerance
- if (!maxErr) gLen=*clk*2;
+ if (!maxErr) gLen = *clk * 2;
uint8_t errCnt =0;
uint32_t bestStart = *size;
uint32_t bestErrCnt = maxErr; //(*size/1000);
uint8_t midBit=0;
uint16_t MaxBits=1000;
+
//PrintAndLog("DEBUG - lastbit - %d",lastBit);
//loop to find first wave that works
for (iii=start; iii < gLen; ++iii){
//do nothing with extra garbage
} else if ((idx-last_transition) < (fchigh-1)) { //6-8 = 8 waves
dest[numBits]=1;
- } else { //9+ = 10 waves
+ } else if ((idx-last_transition) > (fchigh+1) && !numBits) { //12 + and first bit = garbage
+ //do nothing with beginning garbage
+ } else { //9+ = 10 waves
dest[numBits]=0;
}
last_transition = idx;
uint32_t idx=0;
size_t numBits=0;
uint32_t n=1;
-
+ float lowWaves = (((float)(rfLen))/((float)fclow));
+ float highWaves = (((float)(rfLen))/((float)fchigh));
for( idx=1; idx < size; idx++) {
if (dest[idx]==lastval) {
n++;
continue;
}
+ n++;
//if lastval was 1, we have a 1->0 crossing
- if ( dest[idx-1]==1 ) {
- n=myround2((float)(n+1)/((float)(rfLen)/(float)fclow));
- } else {// 0->1 crossing
- n=myround2((float)(n+1)/((float)(rfLen-1)/(float)fchigh)); //-1 for fudge factor
+ if (dest[idx-1]==1) {
+ if (!numBits && n < (uint8_t)lowWaves) {
+ n=0;
+ lastval = dest[idx];
+ continue;
+ }
+ n=myround2(((float)n)/lowWaves);
+ } else {// 0->1 crossing
+ //test first bitsample too small
+ if (!numBits && n < (uint8_t)highWaves) {
+ n=0;
+ lastval = dest[idx];
+ continue;
+ }
+ n = myround2(((float)n)/highWaves); //-1 for fudge factor
}
if (n == 0) n = 1;
n=0;
lastval=dest[idx];
}//end for
+
+ // if valid extra bits at the end were all the same frequency - add them in
+ if (n > lowWaves && n > highWaves) {
+ if (dest[idx-2]==1) {
+ n=myround2((float)(n+1)/((float)(rfLen)/(float)fclow));
+ } else {
+ n=myround2((float)(n+1)/((float)(rfLen-1)/(float)fchigh)); //-1 for fudge factor
+ }
+ memset(dest, dest[idx-1]^invert , n);
+ numBits += n;
+ }
return numBits;
}
//by marshmellow (from holiman's base)
uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, int high, int low)
{
- uint8_t allPeaks=1;
+ uint16_t allPeaks=1;
uint16_t cntPeaks=0;
- for (size_t i=20; i<255; i++){
+ size_t loopEnd = 572;
+ if (loopEnd > size) loopEnd = size;
+ for (size_t i=60; i<loopEnd; i++){
if (dest[i]>low && dest[i]<high)
allPeaks=0;
else
cntPeaks++;
}
- if (allPeaks==0){
- if (cntPeaks>190) return 1;
+ if (allPeaks == 0){
+ if (cntPeaks > 300) return 1;
}
return allPeaks;
}
+int DetectStrongAskClock(uint8_t dest[], size_t size)
+{
+ int clk[]={0,8,16,32,40,50,64,100,128,256};
+ size_t idx = 40;
+ uint8_t high=0;
+ size_t cnt = 0;
+ size_t highCnt = 0;
+ size_t highCnt2 = 0;
+ for (;idx < size; idx++){
+ if (dest[idx]>128) {
+ if (!high){
+ high=1;
+ if (cnt > highCnt){
+ if (highCnt != 0) highCnt2 = highCnt;
+ highCnt = cnt;
+ } else if (cnt > highCnt2) {
+ highCnt2 = cnt;
+ }
+ cnt=1;
+ } else {
+ cnt++;
+ }
+ } else if (dest[idx] <= 128){
+ if (high) {
+ high=0;
+ if (cnt > highCnt) {
+ if (highCnt != 0) highCnt2 = highCnt;
+ highCnt = cnt;
+ } else if (cnt > highCnt2) {
+ highCnt2 = cnt;
+ }
+ cnt=1;
+ } else {
+ cnt++;
+ }
+ }
+ }
+ uint8_t tol;
+ for (idx=8; idx>0; idx--){
+ tol = clk[idx]/8;
+ if (clk[idx] >= highCnt - tol && clk[idx] <= highCnt + tol)
+ return clk[idx];
+ if (clk[idx] >= highCnt2 - tol && clk[idx] <= highCnt2 + tol)
+ return clk[idx];
+ }
+ return -1;
+}
+
// by marshmellow
// not perfect especially with lower clocks or VERY good antennas (heavy wave clipping)
// maybe somehow adjust peak trimming value based on samples to fix?
//test for large clean peaks
if (DetectCleanAskWave(dest, size, peak, low)==1){
- uint16_t fcTest=0;
- uint8_t mostFC=0;
- fcTest=countFC(dest, size, &mostFC);
- uint8_t fc1 = fcTest >> 8;
- uint8_t fc2 = fcTest & 0xFF;
-
- for (i=0; i<8; i++){
- if (clk[i] == fc1) {
- *clock=fc1;
- return 0;
- }
- if (clk[i] == fc2) {
- *clock=fc2;
+ int ans = DetectStrongAskClock(dest, size);
+ for (i=7; i>0; i--){
+ if (clk[i] == ans) {
+ *clock=ans;
return 0;
}
}
}
-
int ii;
int clkCnt;
int tol = 0;
}else{
tol=0;
}
+ if (!maxErr) loopCnt=clk[clkCnt]*2;
bestErr[clkCnt]=1000;
//try lining up the peaks by moving starting point (try first 256)
for (ii=0; ii < loopCnt; ii++){
*clk = DetectNRZClock(dest, *size, *clk);
if (*clk==0) return -2;
uint32_t i;
- int high, low, ans;
- ans = getHiLo(dest, 1260, &high, &low, 75, 75); //25% fuzz on high 25% fuzz on low
- if (ans<1) return -2; //just noise
- uint32_t gLen = 256;
+ uint32_t gLen = 4096;
if (gLen>*size) gLen = *size;
+ int high, low;
+ if (getHiLo(dest, gLen, &high, &low, 75, 75) < 1) return -3; //25% fuzz on high 25% fuzz on low
int lastBit = 0; //set first clock check
uint32_t bitnum = 0; //output counter
uint8_t tol = 1; //clock tolerance adjust - waves will be accepted as within the clock if they fall + or - this value + clock from last valid wave
uint32_t bestErrCnt = maxErr+1;
uint32_t bestPeakCnt = 0;
uint32_t bestPeakStart=0;
+ uint8_t bestFirstPeakHigh=0;
+ uint8_t firstPeakHigh=0;
uint8_t curBit=0;
uint8_t bitHigh=0;
uint8_t errBitHigh=0;
//loop to find first wave that works - align to clock
for (iii=0; iii < gLen; ++iii){
if ((dest[iii]>=high) || (dest[iii]<=low)){
+ if (dest[iii]>=high) firstPeakHigh=1;
+ else firstPeakHigh=0;
lastBit=iii-*clk;
peakCnt=0;
errCnt=0;
//possible good read
if (errCnt == 0){
//bestStart = iii;
+ bestFirstPeakHigh=firstPeakHigh;
bestErrCnt = errCnt;
bestPeakCnt = peakCnt;
bestPeakStart = iii;
//bestStart = iii;
}
if (peakCnt > bestPeakCnt){
+ bestFirstPeakHigh=firstPeakHigh;
bestPeakCnt=peakCnt;
bestPeakStart=iii;
}
iii=bestPeakStart;
lastBit=bestPeakStart-*clk;
bitnum=0;
+ memset(dest, bestFirstPeakHigh^1, bestPeakStart / *clk);
+ bitnum += (bestPeakStart / *clk);
for (i = iii; i < *size; ++i) {
//if we found a high bar and we are at a clock bit
if ((dest[i] >= high ) && (i>=lastBit+*clk-tol && i<=lastBit+*clk+tol)){
*size=bitnum;
} else{
*size=bitnum;
- return -1;
+ return bestErrCnt;
}
if (bitnum>16){
*size=bitnum;
- } else return -1;
+ } else return -5;
return errCnt;
}
errCnt=0;
size_t numBits=0;
//set skipped bits
- memset(dest+numBits,curPhase^1,firstFullWave / *clock);
+ memset(dest,curPhase^1,firstFullWave / *clock);
numBits += (firstFullWave / *clock);
dest[numBits++] = curPhase; //set first read bit
for (i = firstFullWave+fullWaveLen-1; i < *size-3; i++){
#include <stdint.h>
int DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr);
+uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, int high, int low);
int askmandemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr);
uint8_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo);
//uint64_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx);
uint8_t countPSK_FC(uint8_t *BitStream, size_t size);
int pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert);
int DetectPSKClock(uint8_t dest[], size_t size, int clock);
+void askAmp(uint8_t *BitStream, size_t size);
#endif