Merge branch 'master' of https://github.com/Proxmark/proxmark3

[proxmark3-svn] / armsrc / appmain.c

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 83d9dd1fb33fea41c49291dde04fb43c7d7af048..035b11c05084704a73b65d2fe79b78019e4d58d0 100644 (file)
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -23,7 +23,8 @@
 
 #include "legicrf.h"
 #include <hitag2.h>
 
 #include "legicrf.h"
 #include <hitag2.h>

-
+#include "lfsampling.h"
+#include "BigBuf.h"

 #ifdef WITH_LCD
  #include "LCD.h"
 #endif
 #ifdef WITH_LCD
  #include "LCD.h"
 #endif


@@ -42,12 +43,6 @@ int ToSendMax;
 static int ToSendBit;
 struct common_area common_area __attribute__((section(".commonarea")));
 
 static int ToSendBit;
 struct common_area common_area __attribute__((section(".commonarea")));
 

-void BufferClear(void)
-{
-       memset(BigBuf,0,sizeof(BigBuf));
-       Dbprintf("Buffer cleared (%i bytes)",sizeof(BigBuf));
-}
-

 void ToSendReset(void)
 {
        ToSendMax = -1;
 void ToSendReset(void)
 {
        ToSendMax = -1;


@@ -141,12 +136,25 @@ static int ReadAdc(int ch)
 
        AT91C_BASE_ADC->ADC_CR = AT91C_ADC_SWRST;
        AT91C_BASE_ADC->ADC_MR =
 
        AT91C_BASE_ADC->ADC_CR = AT91C_ADC_SWRST;
        AT91C_BASE_ADC->ADC_MR =

-               ADC_MODE_PRESCALE(32) |
-               ADC_MODE_STARTUP_TIME(16) |
-               ADC_MODE_SAMPLE_HOLD_TIME(8);
+               ADC_MODE_PRESCALE(63  /* was 32 */) |                                                   // ADC_CLK = MCK / ((63+1) * 2) = 48MHz / 128 = 375kHz
+               ADC_MODE_STARTUP_TIME(1  /* was 16 */) |                                                // Startup Time = (1+1) * 8 / ADC_CLK = 16 / 375kHz = 42,7us     Note: must be > 20us
+               ADC_MODE_SAMPLE_HOLD_TIME(15  /* was 8 */);                                     // Sample & Hold Time SHTIM = 15 / ADC_CLK = 15 / 375kHz = 40us
+
+       // Note: ADC_MODE_PRESCALE and ADC_MODE_SAMPLE_HOLD_TIME are set to the maximum allowed value. 
+       // Both AMPL_LO and AMPL_HI are very high impedance (10MOhm) outputs, the input capacitance of the ADC is 12pF (typical). This results in a time constant
+       // of RC = 10MOhm * 12pF = 120us. Even after the maximum configurable sample&hold time of 40us the input capacitor will not be fully charged. 
+       // 
+       // The maths are:
+       // If there is a voltage v_in at the input, the voltage v_cap at the capacitor (this is what we are measuring) will be
+       //
+       //       v_cap = v_in * (1 - exp(-RC/SHTIM))  =   v_in * (1 - exp(-3))  =  v_in * 0,95                   (i.e. an error of 5%)
+       // 
+       // Note: with the "historic" values in the comments above, the error was 34%  !!!
+       

        AT91C_BASE_ADC->ADC_CHER = ADC_CHANNEL(ch);
 
        AT91C_BASE_ADC->ADC_CR = AT91C_ADC_START;
        AT91C_BASE_ADC->ADC_CHER = ADC_CHANNEL(ch);
 
        AT91C_BASE_ADC->ADC_CR = AT91C_ADC_START;

+

        while(!(AT91C_BASE_ADC->ADC_SR & ADC_END_OF_CONVERSION(ch)))
                ;
        d = AT91C_BASE_ADC->ADC_CDR[ch];
        while(!(AT91C_BASE_ADC->ADC_SR & ADC_END_OF_CONVERSION(ch)))
                ;
        d = AT91C_BASE_ADC->ADC_CDR[ch];


@@ -172,7 +180,7 @@ void MeasureAntennaTuning(void)
        int i, adcval = 0, peak = 0, peakv = 0, peakf = 0; //ptr = 0 
        int vLf125 = 0, vLf134 = 0, vHf = 0;    // in mV
 
        int i, adcval = 0, peak = 0, peakv = 0, peakf = 0; //ptr = 0 
        int vLf125 = 0, vLf134 = 0, vHf = 0;    // in mV
 

-       LED_B_ON();
+  LED_B_ON();

 
 /*
  * Sweeps the useful LF range of the proxmark from
 
 /*
  * Sweeps the useful LF range of the proxmark from


@@ -189,9 +197,7 @@ void MeasureAntennaTuning(void)
     WDT_HIT();
                FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
                SpinDelay(20);
     WDT_HIT();
                FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
                SpinDelay(20);

-               // Vref = 3.3V, and a 10000:240 voltage divider on the input
-               // can measure voltages up to 137500 mV
-               adcval = ((137500 * AvgAdc(ADC_CHAN_LF)) >> 10);
+               adcval = ((MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10);

                if (i==95)      vLf125 = adcval; // voltage at 125Khz
                if (i==89)      vLf134 = adcval; // voltage at 134Khz
 
                if (i==95)      vLf125 = adcval; // voltage at 125Khz
                if (i==89)      vLf134 = adcval; // voltage at 134Khz
 


@@ -206,20 +212,18 @@ void MeasureAntennaTuning(void)
 
        for (i=18; i >= 0; i--) LF_Results[i] = 0;
        
 
        for (i=18; i >= 0; i--) LF_Results[i] = 0;
        

-       LED_A_ON();
+  LED_A_ON();

        // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        SpinDelay(20);
        // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        SpinDelay(20);

-       // Vref = 3300mV, and an 10:1 voltage divider on the input
-       // can measure voltages up to 33000 mV
-       vHf = (33000 * AvgAdc(ADC_CHAN_HF)) >> 10;
+       vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;

 
 

-       cmd_send(CMD_MEASURED_ANTENNA_TUNING,vLf125|(vLf134<<16),vHf,peakf|(peakv<<16),LF_Results,256);
+       cmd_send(CMD_MEASURED_ANTENNA_TUNING, vLf125 | (vLf134<<16), vHf, peakf | (peakv<<16), LF_Results, 256);

        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);

-       LED_A_OFF();
-       LED_B_OFF();
-       return;
+  LED_A_OFF();
+  LED_B_OFF();
+  return;

 }
 
 void MeasureAntennaTuningHf(void)
 }
 
 void MeasureAntennaTuningHf(void)


@@ -228,68 +232,24 @@ void MeasureAntennaTuningHf(void)
 
        DbpString("Measuring HF antenna, press button to exit");
 
 
        DbpString("Measuring HF antenna, press button to exit");
 

+       // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
+

        for (;;) {
        for (;;) {

-               // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
-               FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-               FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);

                SpinDelay(20);
                SpinDelay(20);

-               // Vref = 3300mV, and an 10:1 voltage divider on the input
-               // can measure voltages up to 33000 mV
-               vHf = (33000 * AvgAdc(ADC_CHAN_HF)) >> 10;
+               vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;

 
                Dbprintf("%d mV",vHf);
                if (BUTTON_PRESS()) break;
        }
        DbpString("cancelled");
 
                Dbprintf("%d mV",vHf);
                if (BUTTON_PRESS()) break;
        }
        DbpString("cancelled");

-}
-
-
-void SimulateTagHfListen(void)
-{
-       uint8_t *dest = (uint8_t *)BigBuf+FREE_BUFFER_OFFSET;
-       uint8_t v = 0;
-       int i;
-       int p = 0;

 
 

-       // We're using this mode just so that I can test it out; the simulated
-       // tag mode would work just as well and be simpler.
-       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR | FPGA_HF_READER_RX_XCORR_848_KHZ | FPGA_HF_READER_RX_XCORR_SNOOP);
-
-       // We need to listen to the high-frequency, peak-detected path.
-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
-
-       FpgaSetupSsc();
-
-       i = 0;
-       for(;;) {
-               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
-                       AT91C_BASE_SSC->SSC_THR = 0xff;
-               }
-               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
-                       uint8_t r = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
-
-                       v <<= 1;
-                       if(r & 1) {
-                               v |= 1;
-                       }
-                       p++;
-
-                       if(p >= 8) {
-                               dest[i] = v;
-                               v = 0;
-                               p = 0;
-                               i++;
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);

 
 

-                               if(i >= FREE_BUFFER_SIZE) {
-                                       break;
-                               }
-                       }
-               }
-       }
-       DbpString("simulate tag (now type bitsamples)");

 }
 
 }
 

+

 void ReadMem(int addr)
 {
        const uint8_t *data = ((uint8_t *)addr);
 void ReadMem(int addr)
 {
        const uint8_t *data = ((uint8_t *)addr);


@@ -361,7 +321,7 @@ void SamyRun()
        for (;;)
        {
                usb_poll();
        for (;;)
        {
                usb_poll();

-    WDT_HIT();
+               WDT_HIT();

 
                // Was our button held down or pressed?
                int button_pressed = BUTTON_HELD(1000);
 
                // Was our button held down or pressed?
                int button_pressed = BUTTON_HELD(1000);


@@ -515,26 +475,32 @@ static const int LIGHT_LEN = sizeof(LIGHT_SCHEME)/sizeof(LIGHT_SCHEME[0]);
 
 void ListenReaderField(int limit)
 {
 
 void ListenReaderField(int limit)
 {

-       int lf_av, lf_av_new, lf_baseline= 0, lf_count= 0, lf_max;
-       int hf_av, hf_av_new,  hf_baseline= 0, hf_count= 0, hf_max;
+       int lf_av, lf_av_new, lf_baseline= 0, lf_max;
+       int hf_av, hf_av_new,  hf_baseline= 0, hf_max;

        int mode=1, display_val, display_max, i;
 
        int mode=1, display_val, display_max, i;
 

-#define LF_ONLY                1
-#define HF_ONLY                2
+#define LF_ONLY                                                1
+#define HF_ONLY                                                2
+#define REPORT_CHANGE                          10    // report new values only if they have changed at least by REPORT_CHANGE
+
+
+       // switch off FPGA - we don't want to measure our own signal
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);

 
        LEDsoff();
 
 
        LEDsoff();
 

-       lf_av=lf_max=ReadAdc(ADC_CHAN_LF);
+       lf_av = lf_max = AvgAdc(ADC_CHAN_LF);

 
        if(limit != HF_ONLY) {
 
        if(limit != HF_ONLY) {

-               Dbprintf("LF 125/134 Baseline: %d", lf_av);
+               Dbprintf("LF 125/134kHz Baseline: %dmV", (MAX_ADC_LF_VOLTAGE * lf_av) >> 10);

                lf_baseline = lf_av;
        }
 
                lf_baseline = lf_av;
        }
 

-       hf_av=hf_max=ReadAdc(ADC_CHAN_HF);
+       hf_av = hf_max = AvgAdc(ADC_CHAN_HF);

 
        if (limit != LF_ONLY) {
 
        if (limit != LF_ONLY) {

-               Dbprintf("HF 13.56 Baseline: %d", hf_av);
+               Dbprintf("HF 13.56MHz Baseline: %dmV", (MAX_ADC_HF_VOLTAGE * hf_av) >> 10);

                hf_baseline = hf_av;
        }
 
                hf_baseline = hf_av;
        }
 


@@ -557,38 +523,38 @@ void ListenReaderField(int limit)
                WDT_HIT();
 
                if (limit != HF_ONLY) {
                WDT_HIT();
 
                if (limit != HF_ONLY) {

-                       if(mode==1) {
-                               if (abs(lf_av - lf_baseline) > 10) LED_D_ON();
-                               else                               LED_D_OFF();
+                       if(mode == 1) {
+                               if (abs(lf_av - lf_baseline) > REPORT_CHANGE) 
+                                       LED_D_ON();
+                               else
+                                       LED_D_OFF();

                        }
 
                        }
 

-                       ++lf_count;
-                       lf_av_new= ReadAdc(ADC_CHAN_LF);
+                       lf_av_new = AvgAdc(ADC_CHAN_LF);

                        // see if there's a significant change
                        // see if there's a significant change

-                       if(abs(lf_av - lf_av_new) > 10) {
-                               Dbprintf("LF 125/134 Field Change: %x %x %x", lf_av, lf_av_new, lf_count);
+                       if(abs(lf_av - lf_av_new) > REPORT_CHANGE) {
+                               Dbprintf("LF 125/134kHz Field Change: %5dmV", (MAX_ADC_LF_VOLTAGE * lf_av_new) >> 10);

                                lf_av = lf_av_new;
                                if (lf_av > lf_max)
                                        lf_max = lf_av;
                                lf_av = lf_av_new;
                                if (lf_av > lf_max)
                                        lf_max = lf_av;

-                               lf_count= 0;

                        }
                }
 
                if (limit != LF_ONLY) {
                        if (mode == 1){
                        }
                }
 
                if (limit != LF_ONLY) {
                        if (mode == 1){

-                               if (abs(hf_av - hf_baseline) > 10) LED_B_ON();
-                               else                               LED_B_OFF();
+                               if (abs(hf_av - hf_baseline) > REPORT_CHANGE)   
+                                       LED_B_ON();
+                               else
+                                       LED_B_OFF();

                        }
 
                        }
 

-                       ++hf_count;
-                       hf_av_new= ReadAdc(ADC_CHAN_HF);
+                       hf_av_new = AvgAdc(ADC_CHAN_HF);

                        // see if there's a significant change
                        // see if there's a significant change

-                       if(abs(hf_av - hf_av_new) > 10) {
-                               Dbprintf("HF 13.56 Field Change: %x %x %x", hf_av, hf_av_new, hf_count);
+                       if(abs(hf_av - hf_av_new) > REPORT_CHANGE) {
+                               Dbprintf("HF 13.56MHz Field Change: %5dmV", (MAX_ADC_HF_VOLTAGE * hf_av_new) >> 10);

                                hf_av = hf_av_new;
                                if (hf_av > hf_max)
                                        hf_max = hf_av;
                                hf_av = hf_av_new;
                                if (hf_av > hf_max)
                                        hf_max = hf_av;

-                               hf_count= 0;

                        }
                }
 
                        }
                }
 


@@ -625,20 +591,21 @@ void UsbPacketReceived(uint8_t *packet, int len)
 {
        UsbCommand *c = (UsbCommand *)packet;
 
 {
        UsbCommand *c = (UsbCommand *)packet;
 

-//  Dbprintf("received %d bytes, with command: 0x%04x and args: %d %d %d",len,c->cmd,c->arg[0],c->arg[1],c->arg[2]);
+  //Dbprintf("received %d bytes, with command: 0x%04x and args: %d %d %d",len,c->cmd,c->arg[0],c->arg[1],c->arg[2]);

   
        switch(c->cmd) {
 #ifdef WITH_LF
   
        switch(c->cmd) {
 #ifdef WITH_LF

+               case CMD_SET_LF_SAMPLING_CONFIG:
+                       setSamplingConfig((sample_config *) c->d.asBytes);
+                       break;

                case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:
                case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:

-                       AcquireRawAdcSamples125k(c->arg[0], c->arg[1], c->arg[2]);
-                       cmd_send(CMD_ACK,0,0,0,0,0);
+                       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);
                        break;
                case CMD_LF_SNOOP_RAW_ADC_SAMPLES:
                        break;
                case CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K:
                        ModThenAcquireRawAdcSamples125k(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
                        break;
                case CMD_LF_SNOOP_RAW_ADC_SAMPLES:

-                       SnoopLFRawAdcSamples(c->arg[0], c->arg[1]);
-                       cmd_send(CMD_ACK,0,0,0,0,0);
+                       cmd_send(CMD_ACK,SnoopLF(),0,0,0,0);

                        break;
                case CMD_HID_DEMOD_FSK:
                        CmdHIDdemodFSK(c->arg[0], 0, 0, 1);
                        break;
                case CMD_HID_DEMOD_FSK:
                        CmdHIDdemodFSK(c->arg[0], 0, 0, 1);


@@ -646,6 +613,15 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_HID_SIM_TAG:
                        CmdHIDsimTAG(c->arg[0], c->arg[1], 1);
                        break;
                case CMD_HID_SIM_TAG:
                        CmdHIDsimTAG(c->arg[0], c->arg[1], 1);
                        break;

+               case CMD_FSK_SIM_TAG:
+                       CmdFSKsimTAG(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       break;
+               case CMD_ASK_SIM_TAG:
+                       CmdASKsimTag(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       break;
+               case CMD_PSK_SIM_TAG:
+                       CmdPSKsimTag(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       break;

                case CMD_HID_CLONE_TAG:
                        CopyHIDtoT55x7(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
                        break;
                case CMD_HID_CLONE_TAG:
                        CopyHIDtoT55x7(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
                        break;


@@ -713,7 +689,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        ReaderHitag((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes);
                        break;
 #endif
                        ReaderHitag((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes);
                        break;
 #endif

-            
+

 #ifdef WITH_ISO15693
                case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_15693:
                        AcquireRawAdcSamplesIso15693();
 #ifdef WITH_ISO15693
                case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_15693:
                        AcquireRawAdcSamplesIso15693();


@@ -757,20 +733,17 @@ void UsbPacketReceived(uint8_t *packet, int len)
 #endif
 
 #ifdef WITH_ISO14443b
 #endif
 
 #ifdef WITH_ISO14443b

-               case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_14443:
-                       AcquireRawAdcSamplesIso14443(c->arg[0]);
-                       break;

                case CMD_READ_SRI512_TAG:
                case CMD_READ_SRI512_TAG:

-                       ReadSTMemoryIso14443(0x0F);
+                       ReadSTMemoryIso14443b(0x0F);

                        break;
                case CMD_READ_SRIX4K_TAG:
                        break;
                case CMD_READ_SRIX4K_TAG:

-                       ReadSTMemoryIso14443(0x7F);
+                       ReadSTMemoryIso14443b(0x7F);

                        break;
                        break;

-               case CMD_SNOOP_ISO_14443:
-                       SnoopIso14443();
+               case CMD_SNOOP_ISO_14443B:
+                       SnoopIso14443b();

                        break;
                        break;

-               case CMD_SIMULATE_TAG_ISO_14443:
-                       SimulateIso14443Tag();
+               case CMD_SIMULATE_TAG_ISO_14443B:
+                       SimulateIso14443bTag();

                        break;
                case CMD_ISO_14443B_COMMAND:
                        SendRawCommand14443B(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
                        break;
                case CMD_ISO_14443B_COMMAND:
                        SendRawCommand14443B(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);


@@ -779,7 +752,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
 
 #ifdef WITH_ISO14443a
                case CMD_SNOOP_ISO_14443a:
 
 #ifdef WITH_ISO14443a
                case CMD_SNOOP_ISO_14443a:

-                       SnoopIso14443a(c->arg[0]);
+                       SniffIso14443a(c->arg[0]);

                        break;
                case CMD_READER_ISO_14443a:
                        ReaderIso14443a(c);
                        break;
                case CMD_READER_ISO_14443a:
                        ReaderIso14443a(c);


@@ -791,6 +764,9 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_EPA_PACE_COLLECT_NONCE:
                        EPA_PACE_Collect_Nonce(c);
                        break;
                case CMD_EPA_PACE_COLLECT_NONCE:
                        EPA_PACE_Collect_Nonce(c);
                        break;

+               case CMD_EPA_PACE_REPLAY:
+                       EPA_PACE_Replay(c);
+                       break;

                        
                case CMD_READER_MIFARE:
             ReaderMifare(c->arg[0]);
                        
                case CMD_READER_MIFARE:
             ReaderMifare(c->arg[0]);


@@ -799,23 +775,29 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        MifareReadBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFAREU_READBL:
                        MifareReadBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFAREU_READBL:

-                       MifareUReadBlock(c->arg[0],c->d.asBytes);
+                       MifareUReadBlock(c->arg[0],c->arg[1], c->d.asBytes);
+                       break;
+               case CMD_MIFAREUC_AUTH:
+                       MifareUC_Auth(c->arg[0],c->d.asBytes);

                        break;
                case CMD_MIFAREU_READCARD:
                        break;
                case CMD_MIFAREU_READCARD:

-                       MifareUReadCard(c->arg[0], c->arg[1], c->d.asBytes);
-                        break;
+                       MifareUReadCard(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       break;
+               case CMD_MIFAREUC_SETPWD: 
+                       MifareUSetPwd(c->arg[0], c->d.asBytes);
+                       break;

                case CMD_MIFARE_READSC:
                        MifareReadSector(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFARE_WRITEBL:
                        MifareWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFARE_READSC:
                        MifareReadSector(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFARE_WRITEBL:
                        MifareWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;

-               case CMD_MIFAREU_WRITEBL_COMPAT:
-                       MifareUWriteBlock(c->arg[0], c->d.asBytes);
-                        break;
+               //case CMD_MIFAREU_WRITEBL_COMPAT:
+                       //MifareUWriteBlockCompat(c->arg[0], c->d.asBytes);
+                       //break;

                case CMD_MIFAREU_WRITEBL:
                case CMD_MIFAREU_WRITEBL:

-                        MifareUWriteBlock_Special(c->arg[0], c->d.asBytes);
-                        break;
+                       MifareUWriteBlock(c->arg[0], c->arg[1], c->d.asBytes);
+                       break;

                case CMD_MIFARE_NESTED:
                        MifareNested(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFARE_NESTED:
                        MifareNested(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;


@@ -858,6 +840,29 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_MIFARE_SNIFFER:
                        SniffMifare(c->arg[0]);
                        break;
                case CMD_MIFARE_SNIFFER:
                        SniffMifare(c->arg[0]);
                        break;

+
+               //mifare desfire
+               case CMD_MIFARE_DESFIRE_READBL: break;
+               case CMD_MIFARE_DESFIRE_WRITEBL: break;
+               case CMD_MIFARE_DESFIRE_AUTH1:
+                       MifareDES_Auth1(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       break;
+               case CMD_MIFARE_DESFIRE_AUTH2:
+                       //MifareDES_Auth2(c->arg[0],c->d.asBytes);
+                       break;
+               case CMD_MIFARE_DES_READER:
+                       //readermifaredes(c->arg[0], c->arg[1], c->d.asBytes);
+                       break;
+               case CMD_MIFARE_DESFIRE_INFO:
+                       MifareDesfireGetInformation();
+                       break;
+               case CMD_MIFARE_DESFIRE:
+                       MifareSendCommand(c->arg[0], c->arg[1], c->d.asBytes);
+                       break;
+
+               case CMD_MIFARE_COLLECT_NONCES:
+                       MifareCollectNonces(c->arg[0], c->arg[1]);
+                       break;

 #endif
 
 #ifdef WITH_ICLASS
 #endif
 
 #ifdef WITH_ICLASS


@@ -872,16 +877,15 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        ReaderIClass(c->arg[0]);
                        break;
                case CMD_READER_ICLASS_REPLAY:
                        ReaderIClass(c->arg[0]);
                        break;
                case CMD_READER_ICLASS_REPLAY:

-                   ReaderIClass_Replay(c->arg[0], c->d.asBytes);
+                       ReaderIClass_Replay(c->arg[0], c->d.asBytes);

                        break;
                        break;

-#endif
-
-               case CMD_SIMULATE_TAG_HF_LISTEN:
-                       SimulateTagHfListen();
+       case CMD_ICLASS_EML_MEMSET:
+                       emlSet(c->d.asBytes,c->arg[0], c->arg[1]);

                        break;
                        break;

+#endif

 
                case CMD_BUFF_CLEAR:
 
                case CMD_BUFF_CLEAR:

-                       BufferClear();
+                       BigBuf_Clear();

                        break;
 
                case CMD_MEASURE_ANTENNA_TUNING:
                        break;
 
                case CMD_MEASURE_ANTENNA_TUNING:


@@ -905,17 +909,18 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K:
 
                        LED_B_ON();
                case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K:
 
                        LED_B_ON();

+                       uint8_t *BigBuf = BigBuf_get_addr();

                        for(size_t i=0; i<c->arg[1]; i += USB_CMD_DATA_SIZE) {
                                size_t len = MIN((c->arg[1] - i),USB_CMD_DATA_SIZE);
                        for(size_t i=0; i<c->arg[1]; i += USB_CMD_DATA_SIZE) {
                                size_t len = MIN((c->arg[1] - i),USB_CMD_DATA_SIZE);

-                               cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,0,((byte_t*)BigBuf)+c->arg[0]+i,len);
+                               cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,BigBuf_get_traceLen(),BigBuf+c->arg[0]+i,len);

                        }
                        // Trigger a finish downloading signal with an ACK frame
                        }
                        // Trigger a finish downloading signal with an ACK frame

-                       cmd_send(CMD_ACK,bits_per_sample,decimation,0,0,0);
+                       cmd_send(CMD_ACK,1,0,BigBuf_get_traceLen(),getSamplingConfig(),sizeof(sample_config));

                        LED_B_OFF();
                        break;
 
                case CMD_DOWNLOADED_SIM_SAMPLES_125K: {
                        LED_B_OFF();
                        break;
 
                case CMD_DOWNLOADED_SIM_SAMPLES_125K: {

-                       uint8_t *b = (uint8_t *)BigBuf;
+                       uint8_t *b = BigBuf_get_addr();

                        memcpy(b+c->arg[0], c->d.asBytes, USB_CMD_DATA_SIZE);
                        cmd_send(CMD_ACK,0,0,0,0,0);
                        break;
                        memcpy(b+c->arg[0], c->d.asBytes, USB_CMD_DATA_SIZE);
                        cmd_send(CMD_ACK,0,0,0,0,0);
                        break;


@@ -986,7 +991,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
 void  __attribute__((noreturn)) AppMain(void)
 {
        SpinDelay(100);
 void  __attribute__((noreturn)) AppMain(void)
 {
        SpinDelay(100);

-
+       clear_trace();

        if(common_area.magic != COMMON_AREA_MAGIC || common_area.version != 1) {
                /* Initialize common area */
                memset(&common_area, 0, sizeof(common_area));
        if(common_area.magic != COMMON_AREA_MAGIC || common_area.version != 1) {
                /* Initialize common area */
                memset(&common_area, 0, sizeof(common_area));


@@ -1001,7 +1006,7 @@ void  __attribute__((noreturn)) AppMain(void)
        LED_A_OFF();
 
        // Init USB device
        LED_A_OFF();
 
        // Init USB device

-  usb_enable();
+       usb_enable();

 
        // The FPGA gets its clock from us from PCK0 output, so set that up.
        AT91C_BASE_PIOA->PIO_BSR = GPIO_PCK0;
 
        // The FPGA gets its clock from us from PCK0 output, so set that up.
        AT91C_BASE_PIOA->PIO_BSR = GPIO_PCK0;


@@ -1031,12 +1036,12 @@ void  __attribute__((noreturn)) AppMain(void)
        size_t rx_len;
   
        for(;;) {
        size_t rx_len;
   
        for(;;) {

-    if (usb_poll()) {
-      rx_len = usb_read(rx,sizeof(UsbCommand));
-      if (rx_len) {
-        UsbPacketReceived(rx,rx_len);
-      }
-    }
+               if (usb_poll()) {
+                       rx_len = usb_read(rx,sizeof(UsbCommand));
+                       if (rx_len) {
+                               UsbPacketReceived(rx,rx_len);
+                       }
+               }

                WDT_HIT();
 
 #ifdef WITH_LF
                WDT_HIT();
 
 #ifdef WITH_LF