Update README.md

[proxmark3-svn] / armsrc / appmain.c

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 2354080631032fce47d07d189acef12302dec9ae..56bf67e0c2ccd6507aa757d59b670975390e1530 100644 (file)
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -10,66 +10,73 @@
 // executes.
 //-----------------------------------------------------------------------------
 
 // executes.
 //-----------------------------------------------------------------------------
 

-#include "usb_cdc.h"
-#include "cmd.h"
+#include <stdarg.h>

 
 

+#include "usb_cdc.h"

 #include "proxmark3.h"
 #include "apps.h"
 #include "proxmark3.h"
 #include "apps.h"

+#include "fpga.h"

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

-
-#include <stdarg.h>
-

 #include "legicrf.h"
 #include "legicrf.h"

-#include <hitag2.h>
+#include "legicrfsim.h"
+#include "hitag2.h"
+#include "hitagS.h"
+#include "iclass.h"
+#include "iso14443b.h"
+#include "iso15693.h"

 #include "lfsampling.h"
 #include "BigBuf.h"
 #include "lfsampling.h"
 #include "BigBuf.h"

+#include "mifarecmd.h"

 #include "mifareutil.h"
 #include "mifareutil.h"

+#include "mifaresim.h"
+#include "pcf7931.h"
+#include "i2c.h"
+#include "hfsnoop.h"
+#include "fpgaloader.h"

 #ifdef WITH_LCD
 #ifdef WITH_LCD

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

 #endif
 
 #endif
 

+static uint32_t hw_capabilities;
+

 // Craig Young - 14a stand-alone code
 // Craig Young - 14a stand-alone code

-#ifdef WITH_ISO14443a_StandAlone
- #include "iso14443a.h"
+#ifdef WITH_ISO14443a
+       #include "iso14443a.h"

 #endif
 
 #endif
 

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

 //=============================================================================
 // A buffer where we can queue things up to be sent through the FPGA, for
 // any purpose (fake tag, as reader, whatever). We go MSB first, since that
 // is the order in which they go out on the wire.
 //=============================================================================
 
 //=============================================================================
 // A buffer where we can queue things up to be sent through the FPGA, for
 // any purpose (fake tag, as reader, whatever). We go MSB first, since that
 // is the order in which they go out on the wire.
 //=============================================================================
 

-#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 
+#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")));
 
 uint8_t ToSend[TOSEND_BUFFER_SIZE];
 int ToSendMax;
 static int ToSendBit;
 struct common_area common_area __attribute__((section(".commonarea")));
 

-void ToSendReset(void)
-{
+void ToSendReset(void) {

        ToSendMax = -1;
        ToSendBit = 8;
 }
 
        ToSendMax = -1;
        ToSendBit = 8;
 }
 

-void ToSendStuffBit(int b)
-{
-       if(ToSendBit >= 8) {
+void ToSendStuffBit(int b) {
+       if (ToSendBit >= 8) {

                ToSendMax++;
                ToSend[ToSendMax] = 0;
                ToSendBit = 0;
        }
 
                ToSendMax++;
                ToSend[ToSendMax] = 0;
                ToSendBit = 0;
        }
 

-       if(b) {
+       if (b) {

                ToSend[ToSendMax] |= (1 << (7 - ToSendBit));
        }
 
        ToSendBit++;
 
                ToSend[ToSendMax] |= (1 << (7 - ToSendBit));
        }
 
        ToSendBit++;
 

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

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


@@ -79,19 +86,11 @@ void ToSendStuffBit(int b)
 // Debug print functions, to go out over USB, to the usual PC-side client.
 //=============================================================================
 
 // Debug print functions, to go out over USB, to the usual PC-side client.
 //=============================================================================
 

-void DbpString(char *str)
-{
-  byte_t len = strlen(str);
-  cmd_send(CMD_DEBUG_PRINT_STRING,len,0,0,(byte_t*)str,len);
+void DbpString(char *str) {
+       uint8_t len = strlen(str);
+       cmd_send(CMD_DEBUG_PRINT_STRING,len,0,0,(uint8_t*)str,len);

 }
 
 }
 

-#if 0
-void DbpIntegers(int x1, int x2, int x3)
-{
-  cmd_send(CMD_DEBUG_PRINT_INTEGERS,x1,x2,x3,0,0);
-}
-#endif
-

 void Dbprintf(const char *fmt, ...) {
 // should probably limit size here; oh well, let's just use a big buffer
        char output_string[128];
 void Dbprintf(const char *fmt, ...) {
 // should probably limit size here; oh well, let's just use a big buffer
        char output_string[128];


@@ -108,26 +107,26 @@ void Dbprintf(const char *fmt, ...) {
 void Dbhexdump(int len, uint8_t *d, bool bAsci) {
        int l=0,i;
        char ascii[9];
 void Dbhexdump(int len, uint8_t *d, bool bAsci) {
        int l=0,i;
        char ascii[9];

-    
+

        while (len>0) {
                if (len>8) l=8;
                else l=len;
        while (len>0) {
                if (len>8) l=8;
                else l=len;

-               
+

                memcpy(ascii,d,l);
                ascii[l]=0;
                memcpy(ascii,d,l);
                ascii[l]=0;

-               
+

                // filter safe ascii
                // filter safe ascii

-               for (i=0;i<l;i++)
-                       if (ascii[i]<32 || ascii[i]>126) ascii[i]='.';
-        
+               for (i = 0; i < l; i++)
+                       if (ascii[i]<32 || ascii[i]>126) ascii[i] = '.';
+

                if (bAsci) {
                if (bAsci) {

-                       Dbprintf("%-8s %*D",ascii,l,d," ");
+                       Dbprintf("%-8s %*D",ascii, l, d, " ");

                } else {
                } else {

-                       Dbprintf("%*D",l,d," ");
+                       Dbprintf("%*D", l, d, " ");

                }
                }

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

        }
 }
 
        }
 }
 


@@ -136,40 +135,31 @@ void Dbhexdump(int len, uint8_t *d, bool bAsci) {
 // in ADC units (0 to 1023). Also a routine to average 32 samples and
 // return that.
 //-----------------------------------------------------------------------------
 // in ADC units (0 to 1023). Also a routine to average 32 samples and
 // return that.
 //-----------------------------------------------------------------------------

-static int ReadAdc(int ch)
-{
-       uint32_t d;
-
-       AT91C_BASE_ADC->ADC_CR = AT91C_ADC_SWRST;
-       AT91C_BASE_ADC->ADC_MR =
-               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. 
-       // 
+static int ReadAdc(int ch) {
+       // Note: ADC_MODE_PRESCALE and ADC_MODE_SAMPLE_HOLD_TIME are set to the maximum allowed value.
+       // AMPL_HI is a high impedance (10MOhm || 1MOhm) output, the input capacitance of the ADC is 12pF (typical). This results in a time constant
+       // of RC = (0.91MOhm) * 12pF = 10.9us. 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
        //
        // 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);
+       //       v_cap = v_in * (1 - exp(-SHTIM/RC))  =   v_in * (1 - exp(-40us/10.9us))  =  v_in * 0,97                   (i.e. an error of 3%)
+
+       AT91C_BASE_ADC->ADC_CR = AT91C_ADC_SWRST;
+       AT91C_BASE_ADC->ADC_MR =
+               ADC_MODE_PRESCALE(63) |                         // ADC_CLK = MCK / ((63+1) * 2) = 48MHz / 128 = 375kHz
+               ADC_MODE_STARTUP_TIME(1) |                      // Startup Time = (1+1) * 8 / ADC_CLK = 16 / 375kHz = 42,7us     Note: must be > 20us
+               ADC_MODE_SAMPLE_HOLD_TIME(15);                  // Sample & Hold Time SHTIM = 15 / ADC_CLK = 15 / 375kHz = 40us

 
 

+       AT91C_BASE_ADC->ADC_CHER = ADC_CHANNEL(ch);

        AT91C_BASE_ADC->ADC_CR = AT91C_ADC_START;
 
        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))) {};

 
 

-       return d;
+       return AT91C_BASE_ADC->ADC_CDR[ch] & 0x3ff;

 }
 
 }
 

-int AvgAdc(int ch) // was static - merlok
-{
+int AvgAdc(int ch) { // was static - merlok{

        int i;
        int a = 0;
 
        int i;
        int a = 0;
 


@@ -180,13 +170,26 @@ int AvgAdc(int ch) // was static - merlok
        return (a + 15) >> 5;
 }
 
        return (a + 15) >> 5;
 }
 

-void MeasureAntennaTuning(void)
-{
-       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
+static int AvgAdc_Voltage_HF(void) {
+       int AvgAdc_Voltage_Low, AvgAdc_Voltage_High;

 
 

-       LED_B_ON();
+       AvgAdc_Voltage_Low= (MAX_ADC_HF_VOLTAGE_LOW * AvgAdc(ADC_CHAN_HF_LOW)) >> 10;
+       // if voltage range is about to be exceeded, use high voltage ADC channel if available (RDV40 only)
+       if (AvgAdc_Voltage_Low > MAX_ADC_HF_VOLTAGE_LOW - 300) {
+               AvgAdc_Voltage_High = (MAX_ADC_HF_VOLTAGE_HIGH * AvgAdc(ADC_CHAN_HF_HIGH)) >> 10;
+               if (AvgAdc_Voltage_High >= AvgAdc_Voltage_Low) {
+                       return AvgAdc_Voltage_High;
+               }
+       }
+       return AvgAdc_Voltage_Low;
+}
+
+static int AvgAdc_Voltage_LF(void) {
+       return (MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10;
+}
+
+void MeasureAntennaTuningLfOnly(int *vLf125, int *vLf134, int *peakf, int *peakv, uint8_t LF_Results[]) {
+       int i, adcval = 0, peak = 0;

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


@@ -196,55 +199,82 @@ 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!)
  */

-  
-       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
+       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);

        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);

-       for (i=255; i>=19; i--) {
-    WDT_HIT();
+       SpinDelay(50);
+
+       for (i = 255; i >= 19; i--) {
+               WDT_HIT();

                FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
                SpinDelay(20);
                FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
                SpinDelay(20);

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

 
 

-               LF_Results[i] = adcval>>8; // scale int to fit in byte for graphing purposes
-               if(LF_Results[i] > peak) {
-                       peakv = adcval;
+               LF_Results[i] = adcval >> 9; // scale int to fit in byte for graphing purposes
+               if (LF_Results[i] > peak) {
+                       *peakv = adcval;

                        peak = LF_Results[i];
                        peak = LF_Results[i];

-                       peakf = i;
+                       *peakf = i;

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

-       for (i=18; i >= 0; i--) LF_Results[i] = 0;
-       
-       LED_A_ON();
+       for (i = 18; i >= 0; i--) LF_Results[i] = 0;
+
+       return;
+}
+
+void MeasureAntennaTuningHfOnly(int *vHf) {

        // 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);
+       LED_A_ON();
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER);

        SpinDelay(20);
        SpinDelay(20);

-       vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
+       *vHf = AvgAdc_Voltage_HF();
+       LED_A_OFF();
+       return;
+}

 
 

-       cmd_send(CMD_MEASURED_ANTENNA_TUNING, vLf125 | (vLf134<<16), vHf, peakf | (peakv<<16), LF_Results, 256);
+void MeasureAntennaTuning(int mode) {
+       uint8_t LF_Results[256] = {0};
+       int peakv = 0, peakf = 0;
+       int vLf125 = 0, vLf134 = 0, vHf = 0; // in mV
+
+       LED_B_ON();
+
+       if (((mode & FLAG_TUNE_ALL) == FLAG_TUNE_ALL) && (FpgaGetCurrent() == FPGA_BITSTREAM_HF)) {
+               // Reverse "standard" order if HF already loaded, to avoid unnecessary swap.
+               MeasureAntennaTuningHfOnly(&vHf);
+               MeasureAntennaTuningLfOnly(&vLf125, &vLf134, &peakf, &peakv, LF_Results);
+       } else {
+               if (mode & FLAG_TUNE_LF) {
+                       MeasureAntennaTuningLfOnly(&vLf125, &vLf134, &peakf, &peakv, LF_Results);
+               }
+               if (mode & FLAG_TUNE_HF) {
+                       MeasureAntennaTuningHfOnly(&vHf);
+               }
+       }
+
+       cmd_send(CMD_MEASURED_ANTENNA_TUNING, vLf125>>1 | (vLf134>>1<<16), vHf, peakf | (peakv>>1<<16), LF_Results, 256);

        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);

-       LED_A_OFF();

        LED_B_OFF();
        return;
 }
 
        LED_B_OFF();
        return;
 }
 

-void MeasureAntennaTuningHf(void)
-{
-       int vHf = 0;    // in mV
+void MeasureAntennaTuningHf(void) {
+       int vHf = 0;    // in mV

 
        DbpString("Measuring HF antenna, press button to exit");
 
        // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 
        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);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER);

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

-               SpinDelay(20);
-               vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
+               SpinDelay(500);
+               vHf = AvgAdc_Voltage_HF();

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


@@ -256,8 +286,7 @@ void MeasureAntennaTuningHf(void)
 }
 
 
 }
 
 

-void ReadMem(int addr)
-{
+void ReadMem(int addr) {

        const uint8_t *data = ((uint8_t *)addr);
 
        Dbprintf("%x: %02x %02x %02x %02x %02x %02x %02x %02x",
        const uint8_t *data = ((uint8_t *)addr);
 
        Dbprintf("%x: %02x %02x %02x %02x %02x %02x %02x %02x",


@@ -268,8 +297,23 @@ void ReadMem(int addr)
 extern struct version_information version_information;
 /* bootrom version information is pointed to from _bootphase1_version_pointer */
 extern char *_bootphase1_version_pointer, _flash_start, _flash_end, _bootrom_start, _bootrom_end, __data_src_start__;
 extern struct version_information version_information;
 /* bootrom version information is pointed to from _bootphase1_version_pointer */
 extern char *_bootphase1_version_pointer, _flash_start, _flash_end, _bootrom_start, _bootrom_end, __data_src_start__;

-void SendVersion(void)
-{
+
+
+void set_hw_capabilities(void) {
+       if (I2C_is_available()) {
+               hw_capabilities |= HAS_SMARTCARD_SLOT;
+       }
+
+       if (false) { // TODO: implement a test
+               hw_capabilities |= HAS_EXTRA_FLASH_MEM;
+       }
+}
+
+
+void SendVersion(void) {
+       LED_A_ON();
+       set_hw_capabilities();
+

        char temp[USB_CMD_DATA_SIZE]; /* Limited data payload in USB packets */
        char VersionString[USB_CMD_DATA_SIZE] = { '\0' };
 
        char temp[USB_CMD_DATA_SIZE]; /* Limited data payload in USB packets */
        char VersionString[USB_CMD_DATA_SIZE] = { '\0' };
 


@@ -278,7 +322,7 @@ void SendVersion(void)
         * pointer, then use it.
         */
        char *bootrom_version = *(char**)&_bootphase1_version_pointer;
         * pointer, then use it.
         */
        char *bootrom_version = *(char**)&_bootphase1_version_pointer;

-       if( bootrom_version < &_flash_start || bootrom_version >= &_flash_end ) {
+       if (bootrom_version < &_flash_start || bootrom_version >= &_flash_end) {

                strcat(VersionString, "bootrom version information appears invalid\n");
        } else {
                FormatVersionInformation(temp, sizeof(temp), "bootrom: ", bootrom_version);
                strcat(VersionString, "bootrom version information appears invalid\n");
        } else {
                FormatVersionInformation(temp, sizeof(temp), "bootrom: ", bootrom_version);


@@ -288,48 +332,88 @@ void SendVersion(void)
        FormatVersionInformation(temp, sizeof(temp), "os: ", &version_information);
        strncat(VersionString, temp, sizeof(VersionString) - strlen(VersionString) - 1);
 
        FormatVersionInformation(temp, sizeof(temp), "os: ", &version_information);
        strncat(VersionString, temp, sizeof(VersionString) - strlen(VersionString) - 1);
 

-       FpgaGatherVersion(FPGA_BITSTREAM_LF, temp, sizeof(temp));
-       strncat(VersionString, temp, sizeof(VersionString) - strlen(VersionString) - 1);
-       FpgaGatherVersion(FPGA_BITSTREAM_HF, temp, sizeof(temp));
-       strncat(VersionString, temp, sizeof(VersionString) - strlen(VersionString) - 1);
+       for (int i = 0; i < fpga_bitstream_num; i++) {
+               strncat(VersionString, fpga_version_information[i], sizeof(VersionString) - strlen(VersionString) - 1);
+               strncat(VersionString, "\n", sizeof(VersionString) - strlen(VersionString) - 1);
+       }
+
+       // test availability of SmartCard slot
+       if (I2C_is_available()) {
+               strncat(VersionString, "SmartCard Slot: available\n", sizeof(VersionString) - strlen(VersionString) - 1);
+       } else {
+               strncat(VersionString, "SmartCard Slot: not available\n", sizeof(VersionString) - strlen(VersionString) - 1);
+       }

 
        // Send Chip ID and used flash memory
        uint32_t text_and_rodata_section_size = (uint32_t)&__data_src_start__ - (uint32_t)&_flash_start;
        uint32_t compressed_data_section_size = common_area.arg1;
 
        // Send Chip ID and used flash memory
        uint32_t text_and_rodata_section_size = (uint32_t)&__data_src_start__ - (uint32_t)&_flash_start;
        uint32_t compressed_data_section_size = common_area.arg1;

-       cmd_send(CMD_ACK, *(AT91C_DBGU_CIDR), text_and_rodata_section_size + compressed_data_section_size, 0, VersionString, strlen(VersionString));
+       cmd_send(CMD_ACK, *(AT91C_DBGU_CIDR), text_and_rodata_section_size + compressed_data_section_size, hw_capabilities, VersionString, strlen(VersionString) + 1);
+       LED_A_OFF();
+}
+
+// measure the USB Speed by sending SpeedTestBufferSize bytes to client and measuring the elapsed time.
+// Note: this mimics GetFromBigbuf(), i.e. we have the overhead of the UsbCommand structure included.
+void printUSBSpeed(void) {
+       Dbprintf("USB Speed:");
+       Dbprintf("  Sending USB packets to client...");
+
+       #define USB_SPEED_TEST_MIN_TIME 1500    // in milliseconds
+       uint8_t *test_data = BigBuf_get_addr();
+       uint32_t end_time;
+
+       uint32_t start_time = end_time = GetTickCount();
+       uint32_t bytes_transferred = 0;
+
+       while (end_time < start_time + USB_SPEED_TEST_MIN_TIME) {
+               cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K, 0, USB_CMD_DATA_SIZE, 0, test_data, USB_CMD_DATA_SIZE);
+               end_time = GetTickCount();
+               bytes_transferred += USB_CMD_DATA_SIZE;
+       }
+
+       Dbprintf("  Time elapsed:      %dms", end_time - start_time);
+       Dbprintf("  Bytes transferred: %d", bytes_transferred);
+       Dbprintf("  USB Transfer Speed PM3 -> Client = %d Bytes/s",
+               1000 * bytes_transferred / (end_time - start_time));
+

 }
 }

+

 /**
   * Prints runtime information about the PM3.
 **/
 /**
   * Prints runtime information about the PM3.
 **/

-void SendStatus(void)
-{
+void SendStatus(void) {
+       LED_A_ON();

        BigBuf_print_status();
        Fpga_print_status();
        BigBuf_print_status();
        Fpga_print_status();

+#ifdef WITH_SMARTCARD
+       I2C_print_status();
+#endif

        printConfig(); //LF Sampling config
        printConfig(); //LF Sampling config

+       printUSBSpeed();

        Dbprintf("Various");
        Dbprintf("Various");

-       Dbprintf("  MF_DBGLEVEL......%d", MF_DBGLEVEL);
-       Dbprintf("  ToSendMax........%d",ToSendMax);
-       Dbprintf("  ToSendBit........%d",ToSendBit);
+       Dbprintf("  MF_DBGLEVEL........%d", MF_DBGLEVEL);
+       Dbprintf("  ToSendMax..........%d", ToSendMax);
+       Dbprintf("  ToSendBit..........%d", ToSendBit);
+
+       cmd_send(CMD_ACK, 1, 0, 0, 0, 0);
+       LED_A_OFF();

 }
 
 }
 

-#if defined(WITH_ISO14443a_StandAlone) || defined(WITH_LF)
+#if defined(WITH_ISO14443a_StandAlone) || defined(WITH_LF_StandAlone)

 
 #define OPTS 2
 
 
 #define OPTS 2
 

-void StandAloneMode()
-{
+void StandAloneMode() {

        DbpString("Stand-alone mode! No PC necessary.");
        // Oooh pretty -- notify user we're in elite samy mode now
        DbpString("Stand-alone mode! No PC necessary.");
        // Oooh pretty -- notify user we're in elite samy mode now

-       LED(LED_RED,    200);
+       LED(LED_RED,    200);

        LED(LED_ORANGE, 200);
        LED(LED_ORANGE, 200);

-       LED(LED_GREEN,  200);
+       LED(LED_GREEN,  200);

        LED(LED_ORANGE, 200);
        LED(LED_ORANGE, 200);

-       LED(LED_RED,    200);
+       LED(LED_RED,    200);

        LED(LED_ORANGE, 200);
        LED(LED_ORANGE, 200);

-       LED(LED_GREEN,  200);
+       LED(LED_GREEN,  200);

        LED(LED_ORANGE, 200);
        LED(LED_ORANGE, 200);

-       LED(LED_RED,    200);
-
+       LED(LED_RED,    200);

 }
 
 #endif
 }
 
 #endif


@@ -337,42 +421,35 @@ void StandAloneMode()
 
 
 #ifdef WITH_ISO14443a_StandAlone
 
 
 #ifdef WITH_ISO14443a_StandAlone

-void StandAloneMode14a()
-{
+void StandAloneMode14a() {

        StandAloneMode();
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 
        int selected = 0;
        StandAloneMode();
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 
        int selected = 0;

-       int playing = 0;
-       int cardRead[OPTS] = {0};
+       bool playing = false, GotoRecord = false, GotoClone = false;
+       bool cardRead[OPTS] = {false};

        uint8_t readUID[10] = {0};
        uint32_t uid_1st[OPTS]={0};
        uint32_t uid_2nd[OPTS]={0};
        uint8_t readUID[10] = {0};
        uint32_t uid_1st[OPTS]={0};
        uint32_t uid_2nd[OPTS]={0};

+       uint32_t uid_tmp1 = 0;
+       uint32_t uid_tmp2 = 0;
+       iso14a_card_select_t hi14a_card[OPTS];

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

-       for (;;)
-       {
+       for (;;) {

                usb_poll();
                WDT_HIT();
                usb_poll();
                WDT_HIT();

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

                SpinDelay(300);
 
                SpinDelay(300);
 

-               // Button was held for a second, begin recording
-               if (button_pressed > 0 && cardRead[selected] == 0)
-               {
+               if (GotoRecord || !cardRead[selected]) {
+                       GotoRecord = false;

                        LEDsoff();
                        LED(selected + 1, 0);
                        LED(LED_RED2, 0);
 
                        // record
                        Dbprintf("Enabling iso14443a reader mode for [Bank: %u]...", selected);
                        LEDsoff();
                        LED(selected + 1, 0);
                        LED(LED_RED2, 0);
 
                        // record
                        Dbprintf("Enabling iso14443a reader mode for [Bank: %u]...", selected);

-
-                       // wait for button to be released
-                       while(BUTTON_PRESS())
-                               WDT_HIT();

                        /* need this delay to prevent catching some weird data */
                        SpinDelay(500);
                        /* Code for reading from 14a tag */
                        /* need this delay to prevent catching some weird data */
                        SpinDelay(500);
                        /* Code for reading from 14a tag */


@@ -380,25 +457,51 @@ void StandAloneMode14a()
                        uint32_t cuid;
                        iso14443a_setup(FPGA_HF_ISO14443A_READER_MOD);
 
                        uint32_t cuid;
                        iso14443a_setup(FPGA_HF_ISO14443A_READER_MOD);
 

-                       for ( ; ; )
-                       {
+                       for ( ; ; ) {

                                WDT_HIT();
                                WDT_HIT();

-                               if (!iso14443a_select_card(uid, NULL, &cuid))
+                               if (BUTTON_PRESS()) {
+                                       if (cardRead[selected]) {
+                                               Dbprintf("Button press detected -- replaying card in bank[%d]", selected);
+                                               break;
+                                       } else if (cardRead[(selected+1)%OPTS]) {
+                                               Dbprintf("Button press detected but no card in bank[%d] so playing from bank[%d]", selected, (selected+1)%OPTS);
+                                               selected = (selected+1)%OPTS;
+                                               break;
+                                       } else {
+                                               Dbprintf("Button press detected but no stored tag to play. (Ignoring button)");
+                                               SpinDelay(300);
+                                       }
+                               }
+                               if (!iso14443a_select_card(uid, &hi14a_card[selected], &cuid, true, 0, true))

                                        continue;
                                        continue;

-                               else
-                               {
+                               else {

                                        Dbprintf("Read UID:"); Dbhexdump(10,uid,0);
                                        memcpy(readUID,uid,10*sizeof(uint8_t));
                                        Dbprintf("Read UID:"); Dbhexdump(10,uid,0);
                                        memcpy(readUID,uid,10*sizeof(uint8_t));

-                                       uint8_t *dst = (uint8_t *)&uid_1st[selected];
+                                       uint8_t *dst = (uint8_t *)&uid_tmp1;

                                        // Set UID byte order
                                        // Set UID byte order

-                                       for (int i=0; i<4; i++)
+                                       for (int i = 0; i < 4; i++)

                                                dst[i] = uid[3-i];
                                                dst[i] = uid[3-i];

-                                       dst = (uint8_t *)&uid_2nd[selected];
-                                       for (int i=0; i<4; i++)
+                                       dst = (uint8_t *)&uid_tmp2;
+                                       for (int i = 0; i < 4; i++)

                                                dst[i] = uid[7-i];
                                                dst[i] = uid[7-i];

-                                       break;
+                                       if (uid_1st[(selected+1) % OPTS] == uid_tmp1 && uid_2nd[(selected+1) % OPTS] == uid_tmp2) {
+                                               Dbprintf("Card selected has same UID as what is stored in the other bank. Skipping.");
+                                       } else {
+                                               if (uid_tmp2) {
+                                                       Dbprintf("Bank[%d] received a 7-byte UID", selected);
+                                                       uid_1st[selected] = (uid_tmp1)>>8;
+                                                       uid_2nd[selected] = (uid_tmp1<<24) + (uid_tmp2>>8);
+                                               } else {
+                                                       Dbprintf("Bank[%d] received a 4-byte UID", selected);
+                                                       uid_1st[selected] = uid_tmp1;
+                                                       uid_2nd[selected] = uid_tmp2;
+                                               }
+                                               break;
+                                       }

                                }
                        }
                                }
                        }

+                       Dbprintf("ATQA = %02X%02X", hi14a_card[selected].atqa[0], hi14a_card[selected].atqa[1]);
+                       Dbprintf("SAK = %02X", hi14a_card[selected].sak);

                        LEDsoff();
                        LED(LED_GREEN,  200);
                        LED(LED_ORANGE, 200);
                        LEDsoff();
                        LED(LED_GREEN,  200);
                        LED(LED_ORANGE, 200);


@@ -407,139 +510,147 @@ void StandAloneMode14a()
 
                        LEDsoff();
                        LED(selected + 1, 0);
 
                        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[selected] = 1;
-
-               }
-               /* MF UID clone */
-               else if (button_pressed > 0 && cardRead[selected] == 1)
-               {
-                                       LEDsoff();
-                                       LED(selected + 1, 0);
-                                       LED(LED_ORANGE, 250);

 
 

+                       // Next state is replay:
+                       playing = true;

 
 

-                                       // record
-                                       Dbprintf("Preparing to Clone card [Bank: %x]; uid: %08x", selected, uid_1st[selected]);
+                       cardRead[selected] = true;
+               } else if (GotoClone) { /* MF Classic UID clone */
+                       GotoClone=false;
+                       LEDsoff();
+                       LED(selected + 1, 0);
+                       LED(LED_ORANGE, 250);

 
 

-                                       // wait for button to be released
-                                       while(BUTTON_PRESS())
-                                       {
-                                               // Delay cloning until card is in place
-                                               WDT_HIT();
-                                       }
-                                       Dbprintf("Starting clone. [Bank: %u]", selected);
-                                       // need this delay to prevent catching some weird data
-                                       SpinDelay(500);
-                                       // Begin clone function here:
-                                       /* Example from client/mifarehost.c for commanding a block write for "magic Chinese" cards:
-                                                       UsbCommand c = {CMD_MIFARE_CSETBLOCK, {wantWipe, params & (0xFE | (uid == NULL ? 0:1)), blockNo}};
-                                                       memcpy(c.d.asBytes, data, 16);
-                                                       SendCommand(&c);
-
-                                               Block read is similar:
-                                                       UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, 0, blockNo}};
-                                               We need to imitate that call with blockNo 0 to set a uid.
-
-                                               The get and set commands are handled in this file:
-                                                       // 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;
-
-                                               mfCSetUID provides example logic for UID set workflow:
-                                                       -Read block0 from card in field with MifareCGetBlock()
-                                                       -Configure new values without replacing reserved bytes
-                                                                       memcpy(block0, uid, 4); // Copy UID bytes from byte array
-                                                                       // Mifare UID BCC
-                                                                       block0[4] = block0[0]^block0[1]^block0[2]^block0[3]; // BCC on byte 5
-                                                                       Bytes 5-7 are reserved SAK and ATQA for mifare classic
-                                                       -Use mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER) to write it
-                                       */
-                                       uint8_t oldBlock0[16] = {0}, newBlock0[16] = {0}, testBlock0[16] = {0};
-                                       // arg0 = Flags == CSETBLOCK_SINGLE_OPER=0x1F, arg1=returnSlot, arg2=blockNo
-                                       MifareCGetBlock(0x1F, 1, 0, oldBlock0);
-                                       Dbprintf("UID from target tag: %02X%02X%02X%02X", oldBlock0[0],oldBlock0[1],oldBlock0[2],oldBlock0[3]);
-                                       memcpy(newBlock0,oldBlock0,16);
-                                       // Copy uid_1st for bank (2nd is for longer UIDs not supported if classic)
-
-                                       newBlock0[0] = uid_1st[selected]>>24;
-                                       newBlock0[1] = 0xFF & (uid_1st[selected]>>16);
-                                       newBlock0[2] = 0xFF & (uid_1st[selected]>>8);
-                                       newBlock0[3] = 0xFF & (uid_1st[selected]);
-                                       newBlock0[4] = newBlock0[0]^newBlock0[1]^newBlock0[2]^newBlock0[3];
-                                       // arg0 = needWipe, arg1 = workFlags, arg2 = blockNo, datain
-                                       MifareCSetBlock(0, 0xFF,0, newBlock0);
-                                       MifareCGetBlock(0x1F, 1, 0, testBlock0);
-                                       if (memcmp(testBlock0,newBlock0,16)==0)
-                                       {
-                                               DbpString("Cloned successfull!");
-                                               cardRead[selected] = 0; // Only if the card was cloned successfully should we clear it
-                                       }
-                                       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;
+                       // record
+                       Dbprintf("Preparing to Clone card [Bank: %x]; uid: %08x", selected, uid_1st[selected]);

 
 

-               }
-               // Change where to record (or begin playing)
-               else if (button_pressed && cardRead[selected])
-               {
-                       // Next option if we were previously playing
-                       if (playing)
-                               selected = (selected + 1) % OPTS;
-                       playing = !playing;
+                       // wait for button to be released
+                       while(BUTTON_PRESS()) {
+                               // Delay cloning until card is in place
+                               WDT_HIT();
+                       }
+                       Dbprintf("Starting clone. [Bank: %u]", selected);
+                       // need this delay to prevent catching some weird data
+                       SpinDelay(500);
+                       // Begin clone function here:
+                       /* Example from client/mifarehost.c for commanding a block write for "magic Chinese" cards:
+                                       UsbCommand c = {CMD_MIFARE_CSETBLOCK, {wantWipe, params & (0xFE | (uid == NULL ? 0:1)), blockNo}};
+                                       memcpy(c.d.asBytes, data, 16);
+                                       SendCommand(&c);
+
+                                       Block read is similar:
+                                       UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, 0, blockNo}};
+                                       We need to imitate that call with blockNo 0 to set a uid.
+
+                                       The get and set commands are handled in this file:
+                                       // 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;
+
+                               mfCSetUID provides example logic for UID set workflow:
+                                       -Read block0 from card in field with MifareCGetBlock()
+                                       -Configure new values without replacing reserved bytes
+                                                       memcpy(block0, uid, 4); // Copy UID bytes from byte array
+                                                       // Mifare UID BCC
+                                                       block0[4] = block0[0]^block0[1]^block0[2]^block0[3]; // BCC on byte 5
+                                                       Bytes 5-7 are reserved SAK and ATQA for mifare classic
+                                       -Use mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER) to write it
+                       */
+                       uint8_t oldBlock0[16] = {0}, newBlock0[16] = {0}, testBlock0[16] = {0};
+                       // arg0 = Flags == CSETBLOCK_SINGLE_OPER=0x1F, arg1=returnSlot, arg2=blockNo
+                       MifareCGetBlock(0x3F, 1, 0, oldBlock0);
+                       if (oldBlock0[0] == 0 && oldBlock0[0] == oldBlock0[1]  && oldBlock0[1] == oldBlock0[2] && oldBlock0[2] == oldBlock0[3]) {
+                               Dbprintf("No changeable tag detected. Returning to replay mode for bank[%d]", selected);
+                               playing = true;
+                       } else {
+                               Dbprintf("UID from target tag: %02X%02X%02X%02X", oldBlock0[0], oldBlock0[1], oldBlock0[2], oldBlock0[3]);
+                               memcpy(newBlock0, oldBlock0, 16);
+                               // Copy uid_1st for bank (2nd is for longer UIDs not supported if classic)
+
+                               newBlock0[0] = uid_1st[selected] >> 24;
+                               newBlock0[1] = 0xFF & (uid_1st[selected] >> 16);
+                               newBlock0[2] = 0xFF & (uid_1st[selected] >> 8);
+                               newBlock0[3] = 0xFF & (uid_1st[selected]);
+                               newBlock0[4] = newBlock0[0] ^ newBlock0[1] ^ newBlock0[2] ^ newBlock0[3];
+                               // arg0 = needWipe, arg1 = workFlags, arg2 = blockNo, datain
+                               MifareCSetBlock(0, 0xFF, 0, newBlock0);
+                               MifareCGetBlock(0x3F, 1, 0, testBlock0);
+                               if (memcmp(testBlock0, newBlock0, 16) == 0) {
+                                       DbpString("Cloned successfull!");
+                                       cardRead[selected] = false; // Only if the card was cloned successfully should we clear it
+                                       playing = false;
+                                       GotoRecord = true;
+                                       selected = (selected+1) % OPTS;
+                               } else {
+                                       Dbprintf("Clone failed. Back to replay mode on bank[%d]", selected);
+                                       playing = true;
+                               }
+                       }
+                       LEDsoff();
+                       LED(selected + 1, 0);

 
 

+               } else if (playing) {
+                       // button_pressed == BUTTON_SINGLE_CLICK && cardRead[selected])
+                       // Change where to record (or begin playing)

                        LEDsoff();
                        LED(selected + 1, 0);
 
                        // Begin transmitting
                        LEDsoff();
                        LED(selected + 1, 0);
 
                        // Begin transmitting

-                       if (playing)
-                       {
-                               LED(LED_GREEN, 0);
-                               DbpString("Playing");
-                               while (!BUTTON_HELD(500)) { // Loop simulating tag until the button is held a half-sec
-                                               Dbprintf("Simulating ISO14443a tag with uid[0]: %08x, uid[1]: %08x [Bank: %u]", uid_1st[selected],uid_2nd[selected],selected);
-                                               SimulateIso14443aTag(1,uid_1st[selected],uid_2nd[selected],NULL);
+                       LED(LED_GREEN, 0);
+                       DbpString("Playing");
+                       for ( ; ; ) {
+                               WDT_HIT();
+                               int button_action = BUTTON_HELD(1000);
+                               if (button_action == 0) { // No button action, proceed with sim
+                                       uint8_t data[512] = {0}; // in case there is a read command received we shouldn't break
+                                       Dbprintf("Simulating ISO14443a tag with uid[0]: %08x, uid[1]: %08x [Bank: %u]", uid_1st[selected], uid_2nd[selected], selected);
+                                       if (hi14a_card[selected].sak == 8 && hi14a_card[selected].atqa[0] == 4 && hi14a_card[selected].atqa[1] == 0) {
+                                               DbpString("Mifare Classic");
+                                               SimulateIso14443aTag(1, uid_1st[selected], uid_2nd[selected], data); // Mifare Classic
+                                       } else if (hi14a_card[selected].sak == 0 && hi14a_card[selected].atqa[0] == 0x44 && hi14a_card[selected].atqa[1] == 0) {
+                                               DbpString("Mifare Ultralight");
+                                               SimulateIso14443aTag(2, uid_1st[selected], uid_2nd[selected], data); // Mifare Ultralight
+                                       } else if (hi14a_card[selected].sak == 20 && hi14a_card[selected].atqa[0] == 0x44 && hi14a_card[selected].atqa[1] == 3) {
+                                               DbpString("Mifare DESFire");
+                                               SimulateIso14443aTag(3, uid_1st[selected], uid_2nd[selected], data); // Mifare DESFire
+                                       } else {
+                                               Dbprintf("Unrecognized tag type -- defaulting to Mifare Classic emulation");
+                                               SimulateIso14443aTag(1, uid_1st[selected], uid_2nd[selected], data);

                                        }
                                        }

-                               //cardRead[selected] = 1;
-                               Dbprintf("Done playing [Bank: %u]",selected);
-
-                               /* We pressed a button so ignore it here with a delay */
-                               SpinDelay(300);
-
-                               // when done, we're done playing, move to next option
-                               selected = (selected + 1) % OPTS;
-                               playing = !playing;
-                               LEDsoff();
-                               LED(selected + 1, 0);
+                               } else if (button_action == BUTTON_SINGLE_CLICK) {
+                                       selected = (selected + 1) % OPTS;
+                                       Dbprintf("Done playing. Switching to record mode on bank %d",selected);
+                                       GotoRecord = true;
+                                       break;
+                               } else if (button_action == BUTTON_HOLD) {
+                                       Dbprintf("Playtime over. Begin cloning...");
+                                       GotoClone = true;
+                                       break;
+                               }
+                               WDT_HIT();

                        }
                        }

-                       else
-                               while(BUTTON_PRESS())
-                                       WDT_HIT();
+
+                       /* We pressed a button so ignore it here with a delay */
+                       SpinDelay(300);
+                       LEDsoff();
+                       LED(selected + 1, 0);

                }
        }
 }
                }
        }
 }

-#elif WITH_LF
+
+#elif WITH_LF_StandAlone
+

 // samy's sniff and repeat routine
 // samy's sniff and repeat routine

-void SamyRun()
-{
+void SamyRun() {

        StandAloneMode();
        FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
 
        StandAloneMode();
        FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
 

-       int high[OPTS], low[OPTS];
+       int tops[OPTS], high[OPTS], low[OPTS];

        int selected = 0;
        int playing = 0;
        int cardRead = 0;
        int selected = 0;
        int playing = 0;
        int cardRead = 0;


@@ -547,8 +658,7 @@ void SamyRun()
        // Turn on selected LED
        LED(selected + 1, 0);
 
        // Turn on selected LED
        LED(selected + 1, 0);
 

-       for (;;)
-       {
+       for (;;) {

                usb_poll();
                WDT_HIT();
 
                usb_poll();
                WDT_HIT();
 


@@ -557,8 +667,7 @@ void SamyRun()
                SpinDelay(300);
 
                // Button was held for a second, begin recording
                SpinDelay(300);
 
                // Button was held for a second, begin recording

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

                        LEDsoff();
                        LED(selected + 1, 0);
                        LED(LED_RED2, 0);
                        LEDsoff();
                        LED(selected + 1, 0);
                        LED(LED_RED2, 0);


@@ -573,8 +682,11 @@ void SamyRun()
                        /* need this delay to prevent catching some weird data */
                        SpinDelay(500);
 
                        /* need this delay to prevent catching some weird data */
                        SpinDelay(500);
 

-                       CmdHIDdemodFSK(1, &high[selected], &low[selected], 0);
-                       Dbprintf("Recorded %x %x %x", selected, high[selected], low[selected]);
+                       CmdHIDdemodFSK(1, &tops[selected], &high[selected], &low[selected], 0);
+                       if (tops[selected] > 0)
+                               Dbprintf("Recorded %x %x%08x%08x", selected, tops[selected], high[selected], low[selected]);
+                       else
+                               Dbprintf("Recorded %x %x%08x", selected, high[selected], low[selected]);

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


@@ -583,45 +695,46 @@ 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;
                        cardRead = 1;

-       
-               }

 
 

-               else if (button_pressed > 0 && cardRead == 1)
-               {
-                                       LEDsoff();
-                                       LED(selected + 1, 0);
-                                       LED(LED_ORANGE, 0);
+               } else if (button_pressed > 0 && cardRead == 1) {
+                       LEDsoff();
+                       LED(selected + 1, 0);
+                       LED(LED_ORANGE, 0);
+
+                       // record
+                       if (tops[selected] > 0)
+                               Dbprintf("Cloning %x %x%08x%08x", selected, tops[selected], high[selected], low[selected]);
+                       else
+                               Dbprintf("Cloning %x %x%08x", selected, high[selected], low[selected]);
+
+                       // wait for button to be released
+                       while(BUTTON_PRESS())
+                               WDT_HIT();

 
 

-                                       // record
-                                       Dbprintf("Cloning %x %x %x", selected, high[selected], low[selected]);
+                       /* need this delay to prevent catching some weird data */
+                       SpinDelay(500);

 
 

-                                       // wait for button to be released
-                                       while(BUTTON_PRESS())
-                                               WDT_HIT();
+                       CopyHIDtoT55x7(tops[selected] & 0x000FFFFF, high[selected], low[selected], (tops[selected] != 0 && ((high[selected]& 0xFFFFFFC0) != 0)), 0x1D);
+                       if (tops[selected] > 0)
+                               Dbprintf("Cloned %x %x%08x%08x", selected, tops[selected], high[selected], low[selected]);
+                       else
+                               Dbprintf("Cloned %x %x%08x", selected, high[selected], low[selected]);

 
 

-                                       /* need this delay to prevent catching some weird data */
-                                       SpinDelay(500);
+                       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;

 
 

-                                       CopyHIDtoT55x7(high[selected], low[selected], 0, 0);
-                                       Dbprintf("Cloned %x %x %x", selected, high[selected], low[selected]);
+                       cardRead = 0;

 
 

-                                       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;
-                       
-               }
+               } else if (button_pressed) {

 
 

-               // Change where to record (or begin playing)
-               else if (button_pressed)
-               {
+                       // Change where to record (or begin playing)

                        // Next option if we were previously playing
                        if (playing)
                                selected = (selected + 1) % OPTS;
                        // Next option if we were previously playing
                        if (playing)
                                selected = (selected + 1) % OPTS;


@@ -631,22 +744,24 @@ void SamyRun()
                        LED(selected + 1, 0);
 
                        // Begin transmitting
                        LED(selected + 1, 0);
 
                        // Begin transmitting

-                       if (playing)
-                       {
+                       if (playing) {

                                LED(LED_GREEN, 0);
                                DbpString("Playing");
                                // wait for button to be released
                                while(BUTTON_PRESS())
                                        WDT_HIT();
                                LED(LED_GREEN, 0);
                                DbpString("Playing");
                                // wait for button to be released
                                while(BUTTON_PRESS())
                                        WDT_HIT();

-                               Dbprintf("%x %x %x", selected, high[selected], low[selected]);
-                               CmdHIDsimTAG(high[selected], low[selected], 0);
+                               if (tops[selected] > 0)
+                                       Dbprintf("%x %x%08x%08x", selected, tops[selected], high[selected], low[selected]);
+                               else
+                                       Dbprintf("%x %x%08x", selected, high[selected], low[selected]);
+
+                               CmdHIDsimTAG(tops[selected], high[selected], low[selected], 0);

                                DbpString("Done playing");
                                DbpString("Done playing");

-                               if (BUTTON_HELD(1000) > 0)
-                                       {
+                               if (BUTTON_HELD(1000) > 0) {

                                        DbpString("Exiting");
                                        LEDsoff();
                                        return;
                                        DbpString("Exiting");
                                        LEDsoff();
                                        return;

-                                       }
+                               }

 
                                /* We pressed a button so ignore it here with a delay */
                                SpinDelay(300);
 
                                /* We pressed a button so ignore it here with a delay */
                                SpinDelay(300);


@@ -656,8 +771,7 @@ void SamyRun()
                                playing = !playing;
                                LEDsoff();
                                LED(selected + 1, 0);
                                playing = !playing;
                                LEDsoff();
                                LED(selected + 1, 0);

-                       }
-                       else
+                       } else

                                while(BUTTON_PRESS())
                                        WDT_HIT();
                }
                                while(BUTTON_PRESS())
                                        WDT_HIT();
                }


@@ -665,6 +779,7 @@ void SamyRun()
 }
 
 #endif
 }
 
 #endif

+

 /*
 OBJECTIVE
 Listen and detect an external reader. Determine the best location
 /*
 OBJECTIVE
 Listen and detect an external reader. Determine the best location


@@ -700,17 +815,19 @@ static const char LIGHT_SCHEME[] = {
                0xE, /* -XXX     | 86% of maximum current detected */
                0xF, /* XXXX     | 100% of maximum current detected */
 };
                0xE, /* -XXX     | 86% of maximum current detected */
                0xF, /* XXXX     | 100% of maximum current detected */
 };

+

 static const int LIGHT_LEN = sizeof(LIGHT_SCHEME)/sizeof(LIGHT_SCHEME[0]);
 
 static const int LIGHT_LEN = sizeof(LIGHT_SCHEME)/sizeof(LIGHT_SCHEME[0]);
 

-void ListenReaderField(int limit)
-{
-       int lf_av, lf_av_new, lf_baseline= 0, lf_max;
-       int hf_av, hf_av_new,  hf_baseline= 0, hf_max;
+void ListenReaderField(int limit) {
+       int lf_av, lf_av_new=0, lf_baseline= 0, lf_max;
+       int hf_av, hf_av_new=0,  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 REPORT_CHANGE                          10    // report new values only if they have changed at least by REPORT_CHANGE
+#define LF_ONLY                    1
+#define HF_ONLY                    2
+#define REPORT_CHANGE_PERCENT      5    // report new values only if they have changed at least by REPORT_CHANGE_PERCENT
+#define MIN_HF_FIELD             300    // in mode 1 signal HF field greater than MIN_HF_FIELD above baseline
+#define MIN_LF_FIELD            1200    // in mode 1 signal LF field greater than MIN_LF_FIELD above baseline

 
 
        // switch off FPGA - we don't want to measure our own signal
 
 
        // switch off FPGA - we don't want to measure our own signal


@@ -719,23 +836,23 @@ void ListenReaderField(int limit)
 
        LEDsoff();
 
 
        LEDsoff();
 

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

 
 

-       if(limit != HF_ONLY) {
-               Dbprintf("LF 125/134kHz Baseline: %dmV", (MAX_ADC_LF_VOLTAGE * lf_av) >> 10);
+       if (limit != HF_ONLY) {
+               Dbprintf("LF 125/134kHz Baseline: %dmV", lf_av);

                lf_baseline = lf_av;
        }
 
                lf_baseline = lf_av;
        }
 

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

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

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

                hf_baseline = hf_av;
        }
 
        for(;;) {
                hf_baseline = hf_av;
        }
 
        for(;;) {

+               SpinDelay(500);

                if (BUTTON_PRESS()) {
                if (BUTTON_PRESS()) {

-                       SpinDelay(500);

                        switch (mode) {
                                case 1:
                                        mode=2;
                        switch (mode) {
                                case 1:
                                        mode=2;


@@ -748,21 +865,23 @@ void ListenReaderField(int limit)
                                        return;
                                        break;
                        }
                                        return;
                                        break;
                        }

+                       while (BUTTON_PRESS())
+                               /* wait */;

                }
                WDT_HIT();
 
                if (limit != HF_ONLY) {
                        if(mode == 1) {
                }
                WDT_HIT();
 
                if (limit != HF_ONLY) {
                        if(mode == 1) {

-                               if (abs(lf_av - lf_baseline) > REPORT_CHANGE) 
+                               if (lf_av - lf_baseline > MIN_LF_FIELD)

                                        LED_D_ON();
                                else
                                        LED_D_OFF();
                        }
 
                                        LED_D_ON();
                                else
                                        LED_D_OFF();
                        }
 

-                       lf_av_new = AvgAdc(ADC_CHAN_LF);
+                       lf_av_new = AvgAdc_Voltage_LF();

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

-                       if(abs(lf_av - lf_av_new) > REPORT_CHANGE) {
-                               Dbprintf("LF 125/134kHz Field Change: %5dmV", (MAX_ADC_LF_VOLTAGE * lf_av_new) >> 10);
+                       if (ABS((lf_av - lf_av_new) * 100 / (lf_av?lf_av:1)) > REPORT_CHANGE_PERCENT) {
+                               Dbprintf("LF 125/134kHz Field Change: %5dmV", lf_av_new);

                                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;


@@ -771,23 +890,24 @@ void ListenReaderField(int limit)
 
                if (limit != LF_ONLY) {
                        if (mode == 1){
 
                if (limit != LF_ONLY) {
                        if (mode == 1){

-                               if (abs(hf_av - hf_baseline) > REPORT_CHANGE)   
+                               if (hf_av - hf_baseline > MIN_HF_FIELD)

                                        LED_B_ON();
                                else
                                        LED_B_OFF();
                        }
 
                                        LED_B_ON();
                                else
                                        LED_B_OFF();
                        }
 

-                       hf_av_new = AvgAdc(ADC_CHAN_HF);
+                       hf_av_new = AvgAdc_Voltage_HF();
+

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

-                       if(abs(hf_av - hf_av_new) > REPORT_CHANGE) {
-                               Dbprintf("HF 13.56MHz Field Change: %5dmV", (MAX_ADC_HF_VOLTAGE * hf_av_new) >> 10);
+                       if (ABS((hf_av - hf_av_new) * 100 / (hf_av?hf_av:1)) > REPORT_CHANGE_PERCENT) {
+                               Dbprintf("HF 13.56MHz Field Change: %5dmV", hf_av_new);

                                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;
                        }
                }
 

-               if(mode == 2) {
+               if (mode == 2) {

                        if (limit == LF_ONLY) {
                                display_val = lf_av;
                                display_max = lf_max;
                        if (limit == LF_ONLY) {
                                display_val = lf_av;
                                display_max = lf_max;


@@ -803,8 +923,8 @@ void ListenReaderField(int limit)
                                        display_max = lf_max;
                                }
                        }
                                        display_max = lf_max;
                                }
                        }

-                       for (i=0; i<LIGHT_LEN; i++) {
-                               if (display_val >= ((display_max/LIGHT_LEN)*i) && display_val <= ((display_max/LIGHT_LEN)*(i+1))) {
+                       for (i = 0; i < LIGHT_LEN; i++) {
+                               if (display_val >= (display_max / LIGHT_LEN * i) && display_val <= (display_max / LIGHT_LEN * (i+1))) {

                                        if (LIGHT_SCHEME[i] & 0x1) LED_C_ON(); else LED_C_OFF();
                                        if (LIGHT_SCHEME[i] & 0x2) LED_A_ON(); else LED_A_OFF();
                                        if (LIGHT_SCHEME[i] & 0x4) LED_B_ON(); else LED_B_OFF();
                                        if (LIGHT_SCHEME[i] & 0x1) LED_C_ON(); else LED_C_OFF();
                                        if (LIGHT_SCHEME[i] & 0x2) LED_A_ON(); else LED_A_OFF();
                                        if (LIGHT_SCHEME[i] & 0x4) LED_B_ON(); else LED_B_OFF();


@@ -816,19 +936,18 @@ void ListenReaderField(int limit)
        }
 }
 
        }
 }
 

-void UsbPacketReceived(uint8_t *packet, int len)
-{
-       UsbCommand *c = (UsbCommand *)packet;
+
+void UsbPacketReceived(UsbCommand *c) {

 
 //  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
                case CMD_SET_LF_SAMPLING_CONFIG:
        switch(c->cmd) {
 #ifdef WITH_LF
                case CMD_SET_LF_SAMPLING_CONFIG:

-                       setSamplingConfig((sample_config *) c->d.asBytes);
+                       setSamplingConfig(c->d.asBytes);

                        break;
                case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:
                        break;
                case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:

-                       cmd_send(CMD_ACK,SampleLF(c->arg[0]),0,0,0,0);
+                       cmd_send(CMD_ACK,SampleLF(c->arg[0], c->arg[1]),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_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K:
                        ModThenAcquireRawAdcSamples125k(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);


@@ -837,10 +956,10 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        cmd_send(CMD_ACK,SnoopLF(),0,0,0,0);
                        break;
                case CMD_HID_DEMOD_FSK:
                        cmd_send(CMD_ACK,SnoopLF(),0,0,0,0);
                        break;
                case CMD_HID_DEMOD_FSK:

-                       CmdHIDdemodFSK(c->arg[0], 0, 0, 1);
+                       CmdHIDdemodFSK(c->arg[0], 0, 0, 0, 1);

                        break;
                case CMD_HID_SIM_TAG:
                        break;
                case CMD_HID_SIM_TAG:

-                       CmdHIDsimTAG(c->arg[0], c->arg[1], 1);
+                       CmdHIDsimTAG(c->arg[0], c->arg[1], c->arg[2], 1);

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


@@ -852,13 +971,17 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        CmdPSKsimTag(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_HID_CLONE_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]);
+                       CopyHIDtoT55x7(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0], 0x1D);
+                       break;
+               case CMD_PARADOX_CLONE_TAG:
+                       // Paradox cards are the same as HID, with a different preamble, so we can reuse the same function
+                       CopyHIDtoT55x7(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0], 0x0F);

                        break;
                case CMD_IO_DEMOD_FSK:
                        CmdIOdemodFSK(c->arg[0], 0, 0, 1);
                        break;
                case CMD_IO_CLONE_TAG:
                        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]);
+                       CopyIOtoT55x7(c->arg[0], c->arg[1]);

                        break;
                case CMD_EM410X_DEMOD:
                        CmdEM410xdemod(c->arg[0], 0, 0, 1);
                        break;
                case CMD_EM410X_DEMOD:
                        CmdEM410xdemod(c->arg[0], 0, 0, 1);


@@ -881,34 +1004,50 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        SimulateTagLowFrequencyBidir(c->arg[0], c->arg[1]);
                        break;
                case CMD_INDALA_CLONE_TAG:
                        SimulateTagLowFrequencyBidir(c->arg[0], c->arg[1]);
                        break;
                case CMD_INDALA_CLONE_TAG:

-                       CopyIndala64toT55x7(c->arg[0], c->arg[1]);                                      
+                       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:
                        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]);
+                       T55xxReadBlock(c->arg[0], c->arg[1], c->arg[2]);

                        break;
                case CMD_T55XX_WRITE_BLOCK:
                        T55xxWriteBlock(c->arg[0], 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]);

-                       cmd_send(CMD_ACK,0,0,0,0,0);

                        break;
                        break;

-               case CMD_T55XX_READ_TRACE:
-                       T55xxReadTrace();
+               case CMD_T55XX_WAKEUP:
+                       T55xxWakeUp(c->arg[0]);
+                       break;
+               case CMD_T55XX_RESET_READ:
+                       T55xxResetRead();

                        break;
                case CMD_PCF7931_READ:
                        ReadPCF7931();
                        break;
                case CMD_PCF7931_READ:
                        ReadPCF7931();

-                       cmd_send(CMD_ACK,0,0,0,0,0);
+                       break;
+               case CMD_PCF7931_WRITE:
+                       WritePCF7931(c->d.asBytes[0],c->d.asBytes[1],c->d.asBytes[2],c->d.asBytes[3],c->d.asBytes[4],c->d.asBytes[5],c->d.asBytes[6], c->d.asBytes[9], c->d.asBytes[7]-128,c->d.asBytes[8]-128, c->arg[0], c->arg[1], c->arg[2]);
+                       break;
+               case CMD_PCF7931_BRUTEFORCE:
+                       BruteForcePCF7931(c->arg[0], (c->arg[1] & 0xFF), c->d.asBytes[9], c->d.asBytes[7]-128,c->d.asBytes[8]-128);

                        break;
                case CMD_EM4X_READ_WORD:
                        break;
                case CMD_EM4X_READ_WORD:

-                       EM4xReadWord(c->arg[1], c->arg[2],c->d.asBytes[0]);
+                       EM4xReadWord(c->arg[0], c->arg[1],c->arg[2]);

                        break;
                case CMD_EM4X_WRITE_WORD:
                        break;
                case CMD_EM4X_WRITE_WORD:

-                       EM4xWriteWord(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
+                       EM4xWriteWord(c->arg[0], c->arg[1], c->arg[2]);
+                       break;
+               case CMD_EM4X_PROTECT:
+                       EM4xProtect(c->arg[0], c->arg[1], c->arg[2]);

                        break;
                case CMD_AWID_DEMOD_FSK: // Set realtime AWID demodulation
                        CmdAWIDdemodFSK(c->arg[0], 0, 0, 1);
                        break;
                case CMD_AWID_DEMOD_FSK: // Set realtime AWID demodulation
                        CmdAWIDdemodFSK(c->arg[0], 0, 0, 1);

-                        break;
+                       break;
+               case CMD_VIKING_CLONE_TAG:
+                       CopyVikingtoT55xx(c->arg[0], c->arg[1], c->arg[2]);
+                       break;
+               case CMD_COTAG:
+                       Cotag(c->arg[0]);
+                       break;

 #endif
 
 #ifdef WITH_HITAG
 #endif
 
 #ifdef WITH_HITAG


@@ -916,29 +1055,50 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        SnoopHitag(c->arg[0]);
                        break;
                case CMD_SIMULATE_HITAG: // Simulate Hitag tag, args = memory content
                        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);
+                       SimulateHitagTag((bool)c->arg[0], (uint8_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;
                        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;

+               case CMD_SIMULATE_HITAG_S:// Simulate Hitag s tag, args = memory content
+                       SimulateHitagSTag((bool)c->arg[0],(uint8_t*)c->d.asBytes);
+                       break;
+               case CMD_TEST_HITAGS_TRACES:// Tests every challenge within the given file
+                       check_challenges_cmd((bool)c->arg[0], (uint8_t*)c->d.asBytes, (uint8_t)c->arg[1]);
+                       break;
+               case CMD_READ_HITAG_S://Reader for only Hitag S tags, args = key or challenge
+                       ReadHitagSCmd((hitag_function)c->arg[0], (hitag_data*)c->d.asBytes, (uint8_t)c->arg[1], (uint8_t)c->arg[2], false);
+                       break;
+               case CMD_READ_HITAG_S_BLK:
+                       ReadHitagSCmd((hitag_function)c->arg[0], (hitag_data*)c->d.asBytes, (uint8_t)c->arg[1], (uint8_t)c->arg[2], true);
+                       break;
+               case CMD_WR_HITAG_S://writer for Hitag tags args=data to write,page and key or challenge
+                       if ((hitag_function)c->arg[0] < 10) {
+                               WritePageHitagS((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes,c->arg[2]);
+                       }
+                       else if ((hitag_function)c->arg[0] >= 10) {
+                         WriterHitag((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes, c->arg[2]);
+                       }
+                       break;

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

-               case CMD_RECORD_RAW_ADC_SAMPLES_ISO_15693:
-                       RecordRawAdcSamplesIso15693();
+
+               case CMD_SNOOP_ISO_15693:
+                       SnoopIso15693(0, NULL);

                        break;
                        break;

-                       
+

                case CMD_ISO_15693_COMMAND:
                        DirectTag15693Command(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
                        break;
                case CMD_ISO_15693_COMMAND:
                        DirectTag15693Command(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
                        break;

-                                       
+

                case CMD_ISO_15693_FIND_AFI:
                        BruteforceIso15693Afi(c->arg[0]);
                case CMD_ISO_15693_FIND_AFI:
                        BruteforceIso15693Afi(c->arg[0]);

-                       break;  
-                       
+                       break;
+

                case CMD_ISO_15693_DEBUG:
                        SetDebugIso15693(c->arg[0]);
                        break;
                case CMD_ISO_15693_DEBUG:
                        SetDebugIso15693(c->arg[0]);
                        break;


@@ -946,14 +1106,19 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_READER_ISO_15693:
                        ReaderIso15693(c->arg[0]);
                        break;
                case CMD_READER_ISO_15693:
                        ReaderIso15693(c->arg[0]);
                        break;

+

                case CMD_SIMTAG_ISO_15693:
                        SimTagIso15693(c->arg[0], c->d.asBytes);
                        break;
                case CMD_SIMTAG_ISO_15693:
                        SimTagIso15693(c->arg[0], c->d.asBytes);
                        break;

+
+               case CMD_CSETUID_ISO_15693:
+                       SetTag15693Uid(c->d.asBytes);
+                       break;

 #endif
 
 #ifdef WITH_LEGICRF
                case CMD_SIMULATE_TAG_LEGIC_RF:
 #endif
 
 #ifdef WITH_LEGICRF
                case CMD_SIMULATE_TAG_LEGIC_RF:

-                       LegicRfSimulate(c->arg[0], c->arg[1], c->arg[2]);
+                       LegicRfSimulate(c->arg[0]);

                        break;
 
                case CMD_WRITER_LEGIC_RF:
                        break;
 
                case CMD_WRITER_LEGIC_RF:


@@ -993,14 +1158,14 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_SIMULATE_TAG_ISO_14443a:
                        SimulateIso14443aTag(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);  // ## Simulate iso14443a tag - pass tag type & UID
                        break;
                case CMD_SIMULATE_TAG_ISO_14443a:
                        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_EPA_PACE_REPLAY:
                        EPA_PACE_Replay(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]);
                        break;
                case CMD_READER_MIFARE:
                        ReaderMifare(c->arg[0]);
                        break;


@@ -1016,7 +1181,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_MIFAREU_READCARD:
                        MifareUReadCard(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFAREU_READCARD:
                        MifareUReadCard(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;

-               case CMD_MIFAREUC_SETPWD: 
+               case CMD_MIFAREUC_SETPWD:

                        MifareUSetPwd(c->arg[0], c->d.asBytes);
                        break;
                case CMD_MIFARE_READSC:
                        MifareUSetPwd(c->arg[0], c->d.asBytes);
                        break;
                case CMD_MIFARE_READSC:


@@ -1025,12 +1190,18 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_MIFARE_WRITEBL:
                        MifareWriteBlock(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_PERSONALIZE_UID:
+                       MifarePersonalizeUID(c->arg[0], c->arg[1], c->d.asBytes);
+                       break;

                //case CMD_MIFAREU_WRITEBL_COMPAT:
                        //MifareUWriteBlockCompat(c->arg[0], c->d.asBytes);
                        //break;
                case CMD_MIFAREU_WRITEBL:
                        MifareUWriteBlock(c->arg[0], c->arg[1], c->d.asBytes);
                        break;
                //case CMD_MIFAREU_WRITEBL_COMPAT:
                        //MifareUWriteBlockCompat(c->arg[0], c->d.asBytes);
                        //break;
                case CMD_MIFAREU_WRITEBL:
                        MifareUWriteBlock(c->arg[0], c->arg[1], c->d.asBytes);
                        break;

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


@@ -1038,9 +1209,9 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        MifareChkKeys(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_SIMULATE_MIFARE_CARD:
                        MifareChkKeys(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_SIMULATE_MIFARE_CARD:

-                       Mifare1ksim(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       MifareSim(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);

                        break;
                        break;

-               
+

                // emulator
                case CMD_MIFARE_SET_DBGMODE:
                        MifareSetDbgLvl(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                // emulator
                case CMD_MIFARE_SET_DBGMODE:
                        MifareSetDbgLvl(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);


@@ -1057,8 +1228,11 @@ 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
                // Work with "magic Chinese" card

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

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


@@ -1068,7 +1242,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_MIFARE_CIDENT:
                        MifareCIdent();
                        break;
                case CMD_MIFARE_CIDENT:
                        MifareCIdent();
                        break;

-                       
+

                // mifare sniffer
                case CMD_MIFARE_SNIFFER:
                        SniffMifare(c->arg[0]);
                // mifare sniffer
                case CMD_MIFARE_SNIFFER:
                        SniffMifare(c->arg[0]);


@@ -1079,7 +1253,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
 #ifdef WITH_ICLASS
                // Makes use of ISO14443a FPGA Firmware
                case CMD_SNOOP_ICLASS:
 #ifdef WITH_ICLASS
                // Makes use of ISO14443a FPGA Firmware
                case CMD_SNOOP_ICLASS:

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

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


@@ -1087,12 +1261,62 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_READER_ICLASS:
                        ReaderIClass(c->arg[0]);
                        break;
                case CMD_READER_ICLASS:
                        ReaderIClass(c->arg[0]);
                        break;

-               case CMD_READER_ICLASS_REPLAY:
-                   ReaderIClass_Replay(c->arg[0], c->d.asBytes);
-                       break;
-       case CMD_ICLASS_EML_MEMSET:
+               case CMD_ICLASS_EML_MEMSET:

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

+               case CMD_ICLASS_WRITEBLOCK:
+                       iClass_WriteBlock(c->arg[0], c->d.asBytes);
+                       break;
+               case CMD_ICLASS_READBLOCK:
+                       iClass_ReadBlk(c->arg[0]);
+                       break;
+               case CMD_ICLASS_CHECK:
+                       iClass_Check(c->d.asBytes);
+                       break;
+               case CMD_ICLASS_READCHECK:
+                       iClass_Readcheck(c->arg[0], c->arg[1]);
+                       break;
+               case CMD_ICLASS_DUMP:
+                       iClass_Dump(c->arg[0], c->arg[1]);
+                       break;
+               case CMD_ICLASS_CLONE:
+                       iClass_Clone(c->arg[0], c->arg[1], c->d.asBytes);
+                       break;
+#endif
+
+#ifdef WITH_HFSNOOP
+               case CMD_HF_SNIFFER:
+                       HfSnoop(c->arg[0], c->arg[1]);
+                       break;
+               case CMD_HF_PLOT:
+                       HfPlot();
+                       break;
+#endif
+
+#ifdef WITH_SMARTCARD
+               case CMD_SMART_ATR: {
+                       SmartCardAtr();
+                       break;
+               }
+               case CMD_SMART_SETCLOCK:{
+                       SmartCardSetClock(c->arg[0]);
+                       break;
+               }
+               case CMD_SMART_RAW: {
+                       SmartCardRaw(c->arg[0], c->arg[1], c->d.asBytes);
+                       break;
+               }
+               case CMD_SMART_UPLOAD: {
+                       // upload file from client
+                       uint8_t *mem = BigBuf_get_addr();
+                       memcpy( mem + c->arg[0], c->d.asBytes, USB_CMD_DATA_SIZE);
+                       cmd_send(CMD_ACK,1,0,0,0,0);
+                       break;
+               }
+               case CMD_SMART_UPGRADE: {
+                       SmartCardUpgrade(c->arg[0]);
+                       break;
+               }

 #endif
 
                case CMD_BUFF_CLEAR:
 #endif
 
                case CMD_BUFF_CLEAR:


@@ -1100,7 +1324,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        break;
 
                case CMD_MEASURE_ANTENNA_TUNING:
                        break;
 
                case CMD_MEASURE_ANTENNA_TUNING:

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

                        break;
 
                case CMD_MEASURE_ANTENNA_TUNING_HF:
                        break;
 
                case CMD_MEASURE_ANTENNA_TUNING_HF:


@@ -1111,14 +1335,15 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        ListenReaderField(c->arg[0]);
                        break;
 
                        ListenReaderField(c->arg[0]);
                        break;
 

-               case CMD_FPGA_MAJOR_MODE_OFF:           // ## FPGA Control
+               case CMD_FPGA_MAJOR_MODE_OFF:       // ## FPGA Control
+                       LED_A_ON();

                        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
                        SpinDelay(200);
                        LED_D_OFF(); // LED D indicates field ON or OFF
                        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
                        SpinDelay(200);
                        LED_D_OFF(); // LED D indicates field ON or OFF

+                       LED_A_OFF();

                        break;
 
                case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K:
                        break;
 
                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) {
                        LED_B_ON();
                        uint8_t *BigBuf = BigBuf_get_addr();
                        for(size_t i=0; i<c->arg[1]; i += USB_CMD_DATA_SIZE) {


@@ -1131,17 +1356,26 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        break;
 
                case CMD_DOWNLOADED_SIM_SAMPLES_125K: {
                        break;
 
                case CMD_DOWNLOADED_SIM_SAMPLES_125K: {

+                       // iceman; since changing fpga_bitstreams clears bigbuff, Its better to call it before.
+                       // to be able to use this one for uploading data to device
+                       // arg1 = 0 upload for LF usage
+                       //        1 upload for HF usage
+                       if (c->arg[1] == 0)
+                               FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+                       else
+                               FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+

                        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;
                        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;

-               }       
+               }

                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);
+                       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);

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


@@ -1195,7 +1429,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_DEVICE_INFO: {
                        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;
                case CMD_DEVICE_INFO: {
                        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);     
+                       cmd_send_old(CMD_DEVICE_INFO,dev_info,0,0,0,0);

                        break;
                }
                default:
                        break;
                }
                default:


@@ -1204,8 +1438,9 @@ void UsbPacketReceived(uint8_t *packet, int len)
        }
 }
 
        }
 }
 

-void  __attribute__((noreturn)) AppMain(void)
-{
+
+void  __attribute__((noreturn)) AppMain(void) {
+

        SpinDelay(100);
        clear_trace();
        if(common_area.magic != COMMON_AREA_MAGIC || common_area.version != 1) {
        SpinDelay(100);
        clear_trace();
        if(common_area.magic != COMMON_AREA_MAGIC || common_area.version != 1) {


@@ -1216,13 +1451,10 @@ void  __attribute__((noreturn)) AppMain(void)
        }
        common_area.flags.osimage_present = 1;
 
        }
        common_area.flags.osimage_present = 1;
 

-       LED_D_OFF();
-       LED_C_OFF();
-       LED_B_OFF();
-       LED_A_OFF();
+       LEDsoff();

 
        // Init USB device
 
        // 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;


@@ -1230,47 +1462,39 @@ void  __attribute__((noreturn)) AppMain(void)
        AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_PCK0;
        // PCK0 is PLL clock / 4 = 96Mhz / 4 = 24Mhz
        AT91C_BASE_PMC->PMC_PCKR[0] = AT91C_PMC_CSS_PLL_CLK |
        AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_PCK0;
        // PCK0 is PLL clock / 4 = 96Mhz / 4 = 24Mhz
        AT91C_BASE_PMC->PMC_PCKR[0] = AT91C_PMC_CSS_PLL_CLK |

-               AT91C_PMC_PRES_CLK_4;
+               AT91C_PMC_PRES_CLK_4; //  4 for 24Mhz pck0, 2 for 48 MHZ pck0

        AT91C_BASE_PIOA->PIO_OER = GPIO_PCK0;
 
        // Reset SPI
        AT91C_BASE_SPI->SPI_CR = AT91C_SPI_SWRST;
        AT91C_BASE_PIOA->PIO_OER = GPIO_PCK0;
 
        // Reset SPI
        AT91C_BASE_SPI->SPI_CR = AT91C_SPI_SWRST;

+       AT91C_BASE_SPI->SPI_CR = AT91C_SPI_SWRST; // required twice on some AT91SAM Revisions (see Errata in AT91SAM datasheet)

        // Reset SSC
        AT91C_BASE_SSC->SSC_CR = AT91C_SSC_SWRST;
 
        // Reset SSC
        AT91C_BASE_SSC->SSC_CR = AT91C_SSC_SWRST;
 

-       // Load the FPGA image, which we have stored in our flash.
-       // (the HF version by default)
+       // Load the FPGA image, which we have stored in our flash (HF version by default)

        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);

-
+       

        StartTickCount();
        StartTickCount();

-       
+

 #ifdef WITH_LCD
        LCDInit();
 #endif
 
 #ifdef WITH_LCD
        LCDInit();
 #endif
 

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

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

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

                WDT_HIT();
                WDT_HIT();

-
-#ifdef WITH_LF
-#ifndef WITH_ISO14443a_StandAlone
-               if (BUTTON_HELD(1000) > 0)
-                       SamyRun();
-#endif
-#endif
-#ifdef WITH_ISO14443a
-#ifdef WITH_ISO14443a_StandAlone
-               if (BUTTON_HELD(1000) > 0)
-                       StandAloneMode14a();
+               if (cmd_receive(&rx)) {
+                       UsbPacketReceived(&rx);
+               } else {
+#if defined(WITH_LF_StandAlone) && !defined(WITH_ISO14443a_StandAlone)
+                       if (BUTTON_HELD(1000) > 0)
+                               SamyRun();

 #endif
 #endif

+#if defined(WITH_ISO14443a) && defined(WITH_ISO14443a_StandAlone)
+                       if (BUTTON_HELD(1000) > 0)
+                               StandAloneMode14a();

 #endif
 #endif

+               }

        }
 }
        }
 }