FIX: a solution for the issue "hf mf esave - always saves 4K"

[proxmark3-svn] / armsrc / appmain.c

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 4ff1e8113d1e578c421bae3641862c6838e96d20..d52ed94a3beab578483d68ebc2820799d182ecc4 100644 (file)
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -10,19 +10,21 @@
 // executes.
 //-----------------------------------------------------------------------------
 
 // executes.
 //-----------------------------------------------------------------------------
 

+#include "usb_cdc.h"
+#include "cmd.h"
+

 #include "proxmark3.h"
 #include "apps.h"
 #include "util.h"
 #include "printf.h"
 #include "string.h"
 #include "proxmark3.h"
 #include "apps.h"
 #include "util.h"
 #include "printf.h"
 #include "string.h"

-

 #include <stdarg.h>
 
 #include "legicrf.h"
 #include <stdarg.h>
 
 #include "legicrf.h"

+#include <hitag2.h>

 
 #ifdef WITH_LCD
 
 #ifdef WITH_LCD

-# include "fonts.h"
-# include "LCD.h"
+ #include "LCD.h"

 #endif
 
 #define abs(x) ( ((x)<0) ? -(x) : (x) )
 #endif
 
 #define abs(x) ( ((x)<0) ? -(x) : (x) )


@@ -33,7 +35,8 @@
 // is the order in which they go out on the wire.
 //=============================================================================
 
 // is the order in which they go out on the wire.
 //=============================================================================
 

-uint8_t ToSend[512];
+#define TOSEND_BUFFER_SIZE (9*MAX_FRAME_SIZE + 1 + 1 + 2)  // 8 data bits and 1 parity bit per payload byte, 1 correction bit, 1 SOC bit, 2 EOC bits 
+uint8_t ToSend[TOSEND_BUFFER_SIZE];

 int ToSendMax;
 static int ToSendBit;
 struct common_area common_area __attribute__((section(".commonarea")));
 int ToSendMax;
 static int ToSendBit;
 struct common_area common_area __attribute__((section(".commonarea")));


@@ -64,7 +67,7 @@ void ToSendStuffBit(int b)
 
        ToSendBit++;
 
 
        ToSendBit++;
 

-       if(ToSendBit >= sizeof(ToSend)) {
+       if(ToSendMax >= sizeof(ToSend)) {

                ToSendBit = 0;
                DbpString("ToSendStuffBit overflowed!");
        }
                ToSendBit = 0;
                DbpString("ToSendStuffBit overflowed!");
        }


@@ -76,39 +79,14 @@ void ToSendStuffBit(int b)
 
 void DbpString(char *str)
 {
 
 void DbpString(char *str)
 {

-       /* this holds up stuff unless we're connected to usb */
-       if (!UsbConnected())
-               return;
-
-       UsbCommand c;
-       c.cmd = CMD_DEBUG_PRINT_STRING;
-       c.arg[0] = strlen(str);
-       if(c.arg[0] > sizeof(c.d.asBytes)) {
-               c.arg[0] = sizeof(c.d.asBytes);
-       }
-       memcpy(c.d.asBytes, str, c.arg[0]);
-
-       UsbSendPacket((uint8_t *)&c, sizeof(c));
-       // TODO fix USB so stupid things like this aren't req'd
-       SpinDelay(50);
+  byte_t len = strlen(str);
+  cmd_send(CMD_DEBUG_PRINT_STRING,len,0,0,(byte_t*)str,len);

 }
 
 #if 0
 void DbpIntegers(int x1, int x2, int x3)
 {
 }
 
 #if 0
 void DbpIntegers(int x1, int x2, int x3)
 {

-       /* this holds up stuff unless we're connected to usb */
-       if (!UsbConnected())
-               return;
-
-       UsbCommand c;
-       c.cmd = CMD_DEBUG_PRINT_INTEGERS;
-       c.arg[0] = x1;
-       c.arg[1] = x2;
-       c.arg[2] = x3;
-
-       UsbSendPacket((uint8_t *)&c, sizeof(c));
-       // XXX
-       SpinDelay(50);
+  cmd_send(CMD_DEBUG_PRINT_INTEGERS,x1,x2,x3,0,0);

 }
 #endif
 
 }
 #endif
 


@@ -125,23 +103,27 @@ void Dbprintf(const char *fmt, ...) {
 }
 
 // prints HEX & ASCII
 }
 
 // prints HEX & ASCII

-void Dbhexdump(int len, uint8_t *d) {
+void Dbhexdump(int len, uint8_t *d, bool bAsci) {

        int l=0,i;
        char ascii[9];
        int l=0,i;
        char ascii[9];

-
+    

        while (len>0) {
                if (len>8) l=8;
                else l=len;
                
                memcpy(ascii,d,l);
        while (len>0) {
                if (len>8) l=8;
                else l=len;
                
                memcpy(ascii,d,l);

-               ascii[l]=0;     
+               ascii[l]=0;

                
                // filter safe ascii
                
                // filter safe ascii

-               for (i=0;i<l;i++) 
+               for (i=0;i<l;i++)

                        if (ascii[i]<32 || ascii[i]>126) ascii[i]='.';
                        if (ascii[i]<32 || ascii[i]>126) ascii[i]='.';

-
-               Dbprintf("%-8s %*D",ascii,l,d," ");
-
+        
+               if (bAsci) {
+                       Dbprintf("%-8s %*D",ascii,l,d," ");
+               } else {
+                       Dbprintf("%*D",l,d," ");
+               }
+        

                len-=8;
                d+=8;           
        }
                len-=8;
                d+=8;           
        }


@@ -185,14 +167,11 @@ int AvgAdc(int ch) // was static - merlok
 
 void MeasureAntennaTuning(void)
 {
 
 void MeasureAntennaTuning(void)
 {

-       uint8_t *dest = (uint8_t *)BigBuf;
+       uint8_t LF_Results[256];

        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
 

-       UsbCommand c;
-
-       DbpString("Measuring antenna characteristics, please wait.");
-       memset(BigBuf,0,sizeof(BigBuf));
+       LED_B_ON();

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


@@ -202,8 +181,11 @@ void MeasureAntennaTuning(void)
  * the resonating frequency of your LF antenna
  * ( hopefully around 95 if it is tuned to 125kHz!)
  */
  * the resonating frequency of your LF antenna
  * ( hopefully around 95 if it is tuned to 125kHz!)
  */

-       FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
-       for (i=255; i>19; i--) {
+  
+       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
+       for (i=255; i>=19; i--) {
+    WDT_HIT();

                FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
                SpinDelay(20);
                // Vref = 3.3V, and a 10000:240 voltage divider on the input
                FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
                SpinDelay(20);
                // Vref = 3.3V, and a 10000:240 voltage divider on the input


@@ -212,27 +194,31 @@ void MeasureAntennaTuning(void)
                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
 

-               dest[i] = adcval>>8; // scale int to fit in byte for graphing purposes
-               if(dest[i] > peak) {
+               LF_Results[i] = adcval>>8; // scale int to fit in byte for graphing purposes
+               if(LF_Results[i] > peak) {

                        peakv = adcval;
                        peakv = adcval;

-                       peak = dest[i];
+                       peak = LF_Results[i];

                        peakf = i;
                        //ptr = i;
                }
        }
 
                        peakf = i;
                        //ptr = i;
                }
        }
 

+       for (i=18; i >= 0; i--) LF_Results[i] = 0;
+       
+       LED_A_ON();

        // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
        // 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;
 
        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;
 

-       c.cmd = CMD_MEASURED_ANTENNA_TUNING;
-       c.arg[0] = (vLf125 << 0) | (vLf134 << 16);
-       c.arg[1] = vHf;
-       c.arg[2] = peakf | (peakv << 16);
-       UsbSendPacket((uint8_t *)&c, sizeof(c));
+       cmd_send(CMD_MEASURED_ANTENNA_TUNING,vLf125|(vLf134<<16),vHf,peakf|(peakv<<16),LF_Results,256);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       LED_A_OFF();
+       LED_B_OFF();
+       return;

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


@@ -243,6 +229,7 @@ void MeasureAntennaTuningHf(void)
 
        for (;;) {
                // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
 
        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);
                // Vref = 3300mV, and an 10:1 voltage divider on the input
                FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
                SpinDelay(20);
                // Vref = 3300mV, and an 10:1 voltage divider on the input


@@ -258,14 +245,14 @@ void MeasureAntennaTuningHf(void)
 
 void SimulateTagHfListen(void)
 {
 
 void SimulateTagHfListen(void)
 {

-       uint8_t *dest = (uint8_t *)BigBuf;
-       int n = sizeof(BigBuf);
+       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.
        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.
        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.


@@ -293,7 +280,7 @@ void SimulateTagHfListen(void)
                                p = 0;
                                i++;
 
                                p = 0;
                                i++;
 

-                               if(i >= n) {
+                               if(i >= FREE_BUFFER_SIZE) {

                                        break;
                                }
                        }
                                        break;
                                }
                        }


@@ -316,7 +303,7 @@ extern struct version_information version_information;
 extern char *_bootphase1_version_pointer, _flash_start, _flash_end;
 void SendVersion(void)
 {
 extern char *_bootphase1_version_pointer, _flash_start, _flash_end;
 void SendVersion(void)
 {

-       char temp[48]; /* Limited data payload in USB packets */
+       char temp[512]; /* Limited data payload in USB packets */

        DbpString("Prox/RFID mark3 RFID instrument");
 
        /* Try to find the bootrom version information. Expect to find a pointer at
        DbpString("Prox/RFID mark3 RFID instrument");
 
        /* Try to find the bootrom version information. Expect to find a pointer at


@@ -336,6 +323,8 @@ void SendVersion(void)
 
        FpgaGatherVersion(temp, sizeof(temp));
        DbpString(temp);
 
        FpgaGatherVersion(temp, sizeof(temp));
        DbpString(temp);

+       // Send Chip ID
+       cmd_send(CMD_ACK,*(AT91C_DBGU_CIDR),0,0,NULL,0);

 }
 
 #ifdef WITH_LF
 }
 
 #ifdef WITH_LF


@@ -343,6 +332,7 @@ void SendVersion(void)
 void SamyRun()
 {
        DbpString("Stand-alone mode! No PC necessary.");
 void SamyRun()
 {
        DbpString("Stand-alone mode! No PC necessary.");

+       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);

 
        // 3 possible options? no just 2 for now
 #define OPTS 2
 
        // 3 possible options? no just 2 for now
 #define OPTS 2


@@ -362,21 +352,22 @@ void SamyRun()
 
        int selected = 0;
        int playing = 0;
 
        int selected = 0;
        int playing = 0;

+       int cardRead = 0;

 
        // Turn on selected LED
        LED(selected + 1, 0);
 
        for (;;)
        {
 
        // Turn on selected LED
        LED(selected + 1, 0);
 
        for (;;)
        {

-               UsbPoll(FALSE);
-               WDT_HIT();
+               usb_poll();
+    WDT_HIT();

 
                // Was our button held down or pressed?
                int button_pressed = BUTTON_HELD(1000);
                SpinDelay(300);
 
                // Button was held for a second, begin recording
 
                // Was our button held down or pressed?
                int button_pressed = BUTTON_HELD(1000);
                SpinDelay(300);
 
                // Button was held for a second, begin recording

-               if (button_pressed > 0)
+               if (button_pressed > 0 && cardRead == 0)

                {
                        LEDsoff();
                        LED(selected + 1, 0);
                {
                        LEDsoff();
                        LED(selected + 1, 0);


@@ -402,6 +393,40 @@ void SamyRun()
                        // If we were previously playing, set playing off
                        // so next button push begins playing what we recorded
                        playing = 0;
                        // If we were previously playing, set playing off
                        // so next button push begins playing what we recorded
                        playing = 0;

+                       
+                       cardRead = 1;
+       
+               }
+
+               else if (button_pressed > 0 && cardRead == 1)
+               {
+                                       LEDsoff();
+                                       LED(selected + 1, 0);
+                                       LED(LED_ORANGE, 0);
+
+                                       // record
+                                       Dbprintf("Cloning %x %x %x", selected, high[selected], low[selected]);
+
+                                       // wait for button to be released
+                                       while(BUTTON_PRESS())
+                                               WDT_HIT();
+
+                                       /* need this delay to prevent catching some weird data */
+                                       SpinDelay(500);
+
+                                       CopyHIDtoT55x7(high[selected], low[selected], 0, 0);
+                                       Dbprintf("Cloned %x %x %x", selected, high[selected], low[selected]);
+
+                                       LEDsoff();
+                                       LED(selected + 1, 0);
+                                       // Finished recording
+
+                                       // If we were previously playing, set playing off
+                                       // so next button push begins playing what we recorded
+                                       playing = 0;
+                                       
+                                       cardRead = 0;
+                       

                }
 
                // Change where to record (or begin playing)
                }
 
                // Change where to record (or begin playing)


@@ -598,26 +623,39 @@ void ListenReaderField(int limit)
 void UsbPacketReceived(uint8_t *packet, int len)
 {
        UsbCommand *c = (UsbCommand *)packet;
 void UsbPacketReceived(uint8_t *packet, int len)
 {
        UsbCommand *c = (UsbCommand *)packet;

-       UsbCommand ack;
-       ack.cmd = CMD_ACK;

 
 

+//  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
                case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:
                        AcquireRawAdcSamples125k(c->arg[0]);
        switch(c->cmd) {
 #ifdef WITH_LF
                case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:
                        AcquireRawAdcSamples125k(c->arg[0]);

-                       UsbSendPacket((uint8_t*)&ack, sizeof(ack));
+                       cmd_send(CMD_ACK,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;
                        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);
+                       break;

                case CMD_HID_DEMOD_FSK:
                case CMD_HID_DEMOD_FSK:

-                       CmdHIDdemodFSK(0, 0, 0, 1);                             // Demodulate HID tag
+                       CmdHIDdemodFSK(c->arg[0], 0, 0, 1);

                        break;
                case CMD_HID_SIM_TAG:
                        break;
                case CMD_HID_SIM_TAG:

-                       CmdHIDsimTAG(c->arg[0], c->arg[1], 1);                                  // Simulate HID tag by ID
+                       CmdHIDsimTAG(c->arg[0], c->arg[1], 1);

                        break;
                case CMD_HID_CLONE_TAG:
                        break;
                case CMD_HID_CLONE_TAG:

-                       CopyHIDtoT5567(c->arg[0], c->arg[1]);                                   // Clone HID tag by ID to T55x7
+                       CopyHIDtoT55x7(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
+                       break;
+               case CMD_IO_DEMOD_FSK:
+                       CmdIOdemodFSK(c->arg[0], 0, 0, 1);
+                       break;
+               case CMD_IO_CLONE_TAG:
+                       CopyIOtoT55x7(c->arg[0], c->arg[1], c->d.asBytes[0]);
+                       break;
+               case CMD_EM410X_DEMOD:
+                       CmdEM410xdemod(c->arg[0], 0, 0, 1);

                        break;
                case CMD_EM410X_WRITE_TAG:
                        WriteEM410x(c->arg[0], c->arg[1], c->arg[2]);
                        break;
                case CMD_EM410X_WRITE_TAG:
                        WriteEM410x(c->arg[0], c->arg[1], c->arg[2]);


@@ -636,8 +674,45 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_LF_SIMULATE_BIDIR:
                        SimulateTagLowFrequencyBidir(c->arg[0], c->arg[1]);
                        break;
                case CMD_LF_SIMULATE_BIDIR:
                        SimulateTagLowFrequencyBidir(c->arg[0], c->arg[1]);
                        break;

+               case CMD_INDALA_CLONE_TAG:
+                       CopyIndala64toT55x7(c->arg[0], c->arg[1]);                                      
+                       break;
+               case CMD_INDALA_CLONE_TAG_L:
+                       CopyIndala224toT55x7(c->d.asDwords[0], c->d.asDwords[1], c->d.asDwords[2], c->d.asDwords[3], c->d.asDwords[4], c->d.asDwords[5], c->d.asDwords[6]);
+                       break;
+               case CMD_T55XX_READ_BLOCK:
+                       T55xxReadBlock(c->arg[1], c->arg[2],c->d.asBytes[0]);
+                       break;
+               case CMD_T55XX_WRITE_BLOCK:
+                       T55xxWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
+                       break;
+               case CMD_T55XX_READ_TRACE:
+                       T55xxReadTrace();
+                       break;
+               case CMD_PCF7931_READ:
+                       ReadPCF7931();
+                       cmd_send(CMD_ACK,0,0,0,0,0);
+                       break;
+               case CMD_EM4X_READ_WORD:
+                       EM4xReadWord(c->arg[1], c->arg[2],c->d.asBytes[0]);
+                       break;
+               case CMD_EM4X_WRITE_WORD:
+                       EM4xWriteWord(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
+                       break;

 #endif
 
 #endif
 

+#ifdef WITH_HITAG
+               case CMD_SNOOP_HITAG: // Eavesdrop Hitag tag, args = type
+                       SnoopHitag(c->arg[0]);
+                       break;
+               case CMD_SIMULATE_HITAG: // Simulate Hitag tag, args = memory content
+                       SimulateHitagTag((bool)c->arg[0],(byte_t*)c->d.asBytes);
+                       break;
+               case CMD_READER_HITAG: // Reader for Hitag tags, args = type and function
+                       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();


@@ -662,7 +737,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        ReaderIso15693(c->arg[0]);
                        break;
                case CMD_SIMTAG_ISO_15693:
                        ReaderIso15693(c->arg[0]);
                        break;
                case CMD_SIMTAG_ISO_15693:

-                       SimTagIso15693(c->arg[0]);
+                       SimTagIso15693(c->arg[0], c->d.asBytes);

                        break;
 #endif
 
                        break;
 #endif
 


@@ -685,10 +760,10 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        AcquireRawAdcSamplesIso14443(c->arg[0]);
                        break;
                case CMD_READ_SRI512_TAG:
                        AcquireRawAdcSamplesIso14443(c->arg[0]);
                        break;
                case CMD_READ_SRI512_TAG:

-                       ReadSRI512Iso14443(c->arg[0]);
+                       ReadSTMemoryIso14443(0x0F);

                        break;
                case CMD_READ_SRIX4K_TAG:
                        break;
                case CMD_READ_SRIX4K_TAG:

-                       ReadSRIX4KIso14443(c->arg[0]);
+                       ReadSTMemoryIso14443(0x7F);

                        break;
                case CMD_SNOOP_ISO_14443:
                        SnoopIso14443();
                        break;
                case CMD_SNOOP_ISO_14443:
                        SnoopIso14443();


@@ -696,31 +771,50 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_SIMULATE_TAG_ISO_14443:
                        SimulateIso14443Tag();
                        break;
                case CMD_SIMULATE_TAG_ISO_14443:
                        SimulateIso14443Tag();
                        break;

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

 #endif
 
 #ifdef WITH_ISO14443a
                case CMD_SNOOP_ISO_14443a:
 #endif
 
 #ifdef WITH_ISO14443a
                case CMD_SNOOP_ISO_14443a:

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

                        break;
                case CMD_READER_ISO_14443a:
                        break;
                case CMD_READER_ISO_14443a:

-                       ReaderIso14443a(c, &ack);
+                       ReaderIso14443a(c);

                        break;
                case CMD_SIMULATE_TAG_ISO_14443a:
                        break;
                case CMD_SIMULATE_TAG_ISO_14443a:

-                       SimulateIso14443aTag(c->arg[0], c->arg[1]);  // ## Simulate iso14443a tag - pass tag type & UID
+                       SimulateIso14443aTag(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);  // ## Simulate iso14443a tag - pass tag type & UID
+                       break;
+                       
+               case CMD_EPA_PACE_COLLECT_NONCE:
+                       EPA_PACE_Collect_Nonce(c);

                        break;
                        
                case CMD_READER_MIFARE:
                        break;
                        
                case CMD_READER_MIFARE:

-                       ReaderMifare(c->arg[0]);
+            ReaderMifare(c->arg[0]);

                        break;
                case CMD_MIFARE_READBL:
                        MifareReadBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                        break;
                case CMD_MIFARE_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);
+                       break;
+               case CMD_MIFAREU_READCARD:
+                       MifareUReadCard(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:
+                        MifareUWriteBlock_Special(c->arg[0], 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;


@@ -747,6 +841,22 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_MIFARE_EML_CARDLOAD:
                        MifareECardLoad(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFARE_EML_CARDLOAD:
                        MifareECardLoad(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;

+                       
+               // Work with "magic Chinese" card
+               case CMD_MIFARE_CSETBLOCK:
+                       MifareCSetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       break;
+               case CMD_MIFARE_CGETBLOCK:
+                       MifareCGetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       break;
+               case CMD_MIFARE_CIDENT:
+                       MifareCIdent();
+                       break;
+                       
+               // mifare sniffer
+               case CMD_MIFARE_SNIFFER:
+                       SniffMifare(c->arg[0]);
+                       break;

 #endif
 
 #ifdef WITH_ICLASS
 #endif
 
 #ifdef WITH_ICLASS


@@ -754,6 +864,15 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_SNOOP_ICLASS:
                        SnoopIClass();
                        break;
                case CMD_SNOOP_ICLASS:
                        SnoopIClass();
                        break;

+               case CMD_SIMULATE_TAG_ICLASS:
+                       SimulateIClass(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       break;
+               case CMD_READER_ICLASS:
+                       ReaderIClass(c->arg[0]);
+                       break;
+               case CMD_READER_ICLASS_REPLAY:
+                   ReaderIClass_Replay(c->arg[0], c->d.asBytes);
+                       break;

 #endif
 
                case CMD_SIMULATE_TAG_HF_LISTEN:
 #endif
 
                case CMD_SIMULATE_TAG_HF_LISTEN:


@@ -782,34 +901,30 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        LED_D_OFF(); // LED D indicates field ON or OFF
                        break;
 
                        LED_D_OFF(); // LED D indicates field ON or OFF
                        break;
 

-               case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: {
-                       UsbCommand n;
-                       if(c->cmd == CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K) {
-                               n.cmd = CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K;
-                       } else {
-                               n.cmd = CMD_DOWNLOADED_RAW_BITS_TI_TYPE;
-                       }
-                       n.arg[0] = c->arg[0];
-                       memcpy(n.d.asDwords, BigBuf+c->arg[0], 12*sizeof(uint32_t));
+               case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K:
+

                        LED_B_ON();
                        LED_B_ON();

-                       UsbSendPacket((uint8_t *)&n, sizeof(n));
+                       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);
+                       }
+                       // Trigger a finish downloading signal with an ACK frame
+                       cmd_send(CMD_ACK,0,0,0,0,0);

                        LED_B_OFF();
                        break;
                        LED_B_OFF();
                        break;

-               }

 
                case CMD_DOWNLOADED_SIM_SAMPLES_125K: {
                        uint8_t *b = (uint8_t *)BigBuf;
 
                case CMD_DOWNLOADED_SIM_SAMPLES_125K: {
                        uint8_t *b = (uint8_t *)BigBuf;

-                       memcpy(b+c->arg[0], c->d.asBytes, 48);
-                       //Dbprintf("copied 48 bytes to %i",b+c->arg[0]);
-                       UsbSendPacket((uint8_t*)&ack, sizeof(ack));
+                       memcpy(b+c->arg[0], c->d.asBytes, USB_CMD_DATA_SIZE);
+                       cmd_send(CMD_ACK,0,0,0,0,0);

                        break;
                        break;

-               }
-
+               }       

                case CMD_READ_MEM:
                        ReadMem(c->arg[0]);
                        break;
 
                case CMD_SET_LF_DIVISOR:
                case CMD_READ_MEM:
                        ReadMem(c->arg[0]);
                        break;
 
                case CMD_SET_LF_DIVISOR:

+                       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);

                        FpgaSendCommand(FPGA_CMD_SET_DIVISOR, c->arg[0]);
                        break;
 
                        FpgaSendCommand(FPGA_CMD_SET_DIVISOR, c->arg[0]);
                        break;
 


@@ -826,10 +941,6 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        SendVersion();
                        break;
 
                        SendVersion();
                        break;
 

-#ifdef WITH_LF
-
-#endif
-

 #ifdef WITH_LCD
                case CMD_LCD_RESET:
                        LCDReset();
 #ifdef WITH_LCD
                case CMD_LCD_RESET:
                        LCDReset();


@@ -841,7 +952,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_SETUP_WRITE:
                case CMD_FINISH_WRITE:
                case CMD_HARDWARE_RESET:
                case CMD_SETUP_WRITE:
                case CMD_FINISH_WRITE:
                case CMD_HARDWARE_RESET:

-                       USB_D_PLUS_PULLUP_OFF();
+                       usb_disable();

                        SpinDelay(1000);
                        SpinDelay(1000);
                        AT91C_BASE_RSTC->RSTC_RCR = RST_CONTROL_KEY | AT91C_RSTC_PROCRST;
                        SpinDelay(1000);
                        SpinDelay(1000);
                        AT91C_BASE_RSTC->RSTC_RCR = RST_CONTROL_KEY | AT91C_RSTC_PROCRST;


@@ -854,19 +965,17 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        if(common_area.flags.bootrom_present) {
                                common_area.command = COMMON_AREA_COMMAND_ENTER_FLASH_MODE;
                        }
                        if(common_area.flags.bootrom_present) {
                                common_area.command = COMMON_AREA_COMMAND_ENTER_FLASH_MODE;
                        }

-                       USB_D_PLUS_PULLUP_OFF();
+                       usb_disable();

                        AT91C_BASE_RSTC->RSTC_RCR = RST_CONTROL_KEY | AT91C_RSTC_PROCRST;
                        for(;;);
                        break;
 
                case CMD_DEVICE_INFO: {
                        AT91C_BASE_RSTC->RSTC_RCR = RST_CONTROL_KEY | AT91C_RSTC_PROCRST;
                        for(;;);
                        break;
 
                case CMD_DEVICE_INFO: {

-                       UsbCommand c;
-                       c.cmd = CMD_DEVICE_INFO;
-                       c.arg[0] = DEVICE_INFO_FLAG_OSIMAGE_PRESENT | DEVICE_INFO_FLAG_CURRENT_MODE_OS;
-                       if(common_area.flags.bootrom_present) c.arg[0] |= DEVICE_INFO_FLAG_BOOTROM_PRESENT;
-                       UsbSendPacket((uint8_t*)&c, sizeof(c));
-               }
+                       uint32_t dev_info = DEVICE_INFO_FLAG_OSIMAGE_PRESENT | DEVICE_INFO_FLAG_CURRENT_MODE_OS;
+                       if(common_area.flags.bootrom_present) dev_info |= DEVICE_INFO_FLAG_BOOTROM_PRESENT;
+                       cmd_send(CMD_DEVICE_INFO,dev_info,0,0,0,0);     

                        break;
                        break;

+               }

                default:
                        Dbprintf("%s: 0x%04x","unknown command:",c->cmd);
                        break;
                default:
                        Dbprintf("%s: 0x%04x","unknown command:",c->cmd);
                        break;


@@ -890,7 +999,8 @@ void  __attribute__((noreturn)) AppMain(void)
        LED_B_OFF();
        LED_A_OFF();
 
        LED_B_OFF();
        LED_A_OFF();
 

-       UsbStart();
+       // Init USB device
+  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;


@@ -907,38 +1017,25 @@ void  __attribute__((noreturn)) AppMain(void)
        AT91C_BASE_SSC->SSC_CR = AT91C_SSC_SWRST;
 
        // Load the FPGA image, which we have stored in our flash.
        AT91C_BASE_SSC->SSC_CR = AT91C_SSC_SWRST;
 
        // Load the FPGA image, which we have stored in our flash.

-       FpgaDownloadAndGo();
+       // (the HF version by default)
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);

 
        StartTickCount();
 
        StartTickCount();

-       
+       

 #ifdef WITH_LCD
 #ifdef WITH_LCD

-

        LCDInit();
        LCDInit();

-
-       // test text on different colored backgrounds
-       LCDString(" The quick brown fox  ",     (char *)&FONT6x8,1,1+8*0,WHITE  ,BLACK );
-       LCDString("  jumped over the     ",     (char *)&FONT6x8,1,1+8*1,BLACK  ,WHITE );
-       LCDString("     lazy dog.        ",     (char *)&FONT6x8,1,1+8*2,YELLOW ,RED   );
-       LCDString(" AaBbCcDdEeFfGgHhIiJj ",     (char *)&FONT6x8,1,1+8*3,RED    ,GREEN );
-       LCDString(" KkLlMmNnOoPpQqRrSsTt ",     (char *)&FONT6x8,1,1+8*4,MAGENTA,BLUE  );
-       LCDString("UuVvWwXxYyZz0123456789",     (char *)&FONT6x8,1,1+8*5,BLUE   ,YELLOW);
-       LCDString("`-=[]_;',./~!@#$%^&*()",     (char *)&FONT6x8,1,1+8*6,BLACK  ,CYAN  );
-       LCDString("     _+{}|:\\\"<>?     ",(char *)&FONT6x8,1,1+8*7,BLUE  ,MAGENTA);
-
-       // color bands
-       LCDFill(0, 1+8* 8, 132, 8, BLACK);
-       LCDFill(0, 1+8* 9, 132, 8, WHITE);
-       LCDFill(0, 1+8*10, 132, 8, RED);
-       LCDFill(0, 1+8*11, 132, 8, GREEN);
-       LCDFill(0, 1+8*12, 132, 8, BLUE);
-       LCDFill(0, 1+8*13, 132, 8, YELLOW);
-       LCDFill(0, 1+8*14, 132, 8, CYAN);
-       LCDFill(0, 1+8*15, 132, 8, MAGENTA);
-

 #endif
 
 #endif
 

+  byte_t rx[sizeof(UsbCommand)];
+       size_t rx_len;
+  

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

-               UsbPoll(FALSE);
+    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