]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/appmain.c
move appveyor.yml
[proxmark3-svn] / armsrc / appmain.c
index 0f22ba90fc5fc8aca488240c8943c22d52e00b42..e292483b80b5a6634151a11ad5243bf0ff77cf49 100644 (file)
 // executes.
 //-----------------------------------------------------------------------------
 
+#include <stdarg.h>
+
 #include "usb_cdc.h"
 #include "cmd.h"
-
 #include "proxmark3.h"
 #include "apps.h"
 #include "util.h"
 #include "printf.h"
 #include "string.h"
-
-#include <stdarg.h>
-
 #include "legicrf.h"
-#include <hitag2.h>
-
+#include "hitag2.h"
+#include "hitagS.h"
+#include "lfsampling.h"
+#include "BigBuf.h"
+#include "mifareutil.h"
+#include "pcf7931.h"
 #ifdef WITH_LCD
  #include "LCD.h"
 #endif
 
-#define abs(x) ( ((x)<0) ? -(x) : (x) )
+// Craig Young - 14a stand-alone code
+#ifdef WITH_ISO14443a_StandAlone
+ #include "iso14443a.h"
+#endif
 
 //=============================================================================
 // A buffer where we can queue things up to be sent through the FPGA, for
 // is the order in which they go out on the wire.
 //=============================================================================
 
-uint8_t ToSend[512];
+#define TOSEND_BUFFER_SIZE (9*MAX_FRAME_SIZE + 1 + 1 + 2)  // 8 data bits and 1 parity bit per payload byte, 1 correction bit, 1 SOC bit, 2 EOC bits 
+uint8_t ToSend[TOSEND_BUFFER_SIZE];
 int ToSendMax;
 static int ToSendBit;
 struct common_area common_area __attribute__((section(".commonarea")));
 
-void BufferClear(void)
-{
-       memset(BigBuf,0,sizeof(BigBuf));
-       Dbprintf("Buffer cleared (%i bytes)",sizeof(BigBuf));
-}
-
 void ToSendReset(void)
 {
        ToSendMax = -1;
@@ -67,7 +67,7 @@ void ToSendStuffBit(int b)
 
        ToSendBit++;
 
-       if(ToSendBit >= sizeof(ToSend)) {
+       if(ToSendMax >= sizeof(ToSend)) {
                ToSendBit = 0;
                DbpString("ToSendStuffBit overflowed!");
        }
@@ -81,40 +81,12 @@ void DbpString(char *str)
 {
   byte_t len = strlen(str);
   cmd_send(CMD_DEBUG_PRINT_STRING,len,0,0,(byte_t*)str,len);
-//     /* this holds up stuff unless we're connected to usb */
-//     if (!UsbConnected())
-//             return;
-//
-//     UsbCommand c;
-//     c.cmd = CMD_DEBUG_PRINT_STRING;
-//     c.arg[0] = strlen(str);
-//     if(c.arg[0] > sizeof(c.d.asBytes)) {
-//             c.arg[0] = sizeof(c.d.asBytes);
-//     }
-//     memcpy(c.d.asBytes, str, c.arg[0]);
-//
-//     UsbSendPacket((uint8_t *)&c, sizeof(c));
-//     // TODO fix USB so stupid things like this aren't req'd
-//     SpinDelay(50);
 }
 
 #if 0
 void DbpIntegers(int x1, int x2, int x3)
 {
   cmd_send(CMD_DEBUG_PRINT_INTEGERS,x1,x2,x3,0,0);
-//     /* this holds up stuff unless we're connected to usb */
-//     if (!UsbConnected())
-//             return;
-//
-//     UsbCommand c;
-//     c.cmd = CMD_DEBUG_PRINT_INTEGERS;
-//     c.arg[0] = x1;
-//     c.arg[1] = x2;
-//     c.arg[2] = x3;
-//
-//     UsbSendPacket((uint8_t *)&c, sizeof(c));
-//     // XXX
-//     SpinDelay(50);
 }
 #endif
 
@@ -168,12 +140,25 @@ static int ReadAdc(int ch)
 
        AT91C_BASE_ADC->ADC_CR = AT91C_ADC_SWRST;
        AT91C_BASE_ADC->ADC_MR =
-               ADC_MODE_PRESCALE(32) |
-               ADC_MODE_STARTUP_TIME(16) |
-               ADC_MODE_SAMPLE_HOLD_TIME(8);
+               ADC_MODE_PRESCALE(63  /* was 32 */) |                                                   // ADC_CLK = MCK / ((63+1) * 2) = 48MHz / 128 = 375kHz
+               ADC_MODE_STARTUP_TIME(1  /* was 16 */) |                                                // Startup Time = (1+1) * 8 / ADC_CLK = 16 / 375kHz = 42,7us     Note: must be > 20us
+               ADC_MODE_SAMPLE_HOLD_TIME(15  /* was 8 */);                                     // Sample & Hold Time SHTIM = 15 / ADC_CLK = 15 / 375kHz = 40us
+
+       // Note: ADC_MODE_PRESCALE and ADC_MODE_SAMPLE_HOLD_TIME are set to the maximum allowed value. 
+       // Both AMPL_LO and AMPL_HI are very high impedance (10MOhm) outputs, the input capacitance of the ADC is 12pF (typical). This results in a time constant
+       // of RC = 10MOhm * 12pF = 120us. Even after the maximum configurable sample&hold time of 40us the input capacitor will not be fully charged. 
+       // 
+       // The maths are:
+       // If there is a voltage v_in at the input, the voltage v_cap at the capacitor (this is what we are measuring) will be
+       //
+       //       v_cap = v_in * (1 - exp(-RC/SHTIM))  =   v_in * (1 - exp(-3))  =  v_in * 0,95                   (i.e. an error of 5%)
+       // 
+       // Note: with the "historic" values in the comments above, the error was 34%  !!!
+       
        AT91C_BASE_ADC->ADC_CHER = ADC_CHANNEL(ch);
 
        AT91C_BASE_ADC->ADC_CR = AT91C_ADC_START;
+
        while(!(AT91C_BASE_ADC->ADC_SR & ADC_END_OF_CONVERSION(ch)))
                ;
        d = AT91C_BASE_ADC->ADC_CDR[ch];
@@ -193,17 +178,9 @@ int AvgAdc(int ch) // was static - merlok
        return (a + 15) >> 5;
 }
 
-void MeasureAntennaTuning(void)
+void MeasureAntennaTuningLfOnly(int *vLf125, int *vLf134, int *peakf, int *peakv, uint8_t LF_Results[])
 {
-       uint8_t *dest = (uint8_t *)BigBuf+FREE_BUFFER_OFFSET;
-       int i, adcval = 0, peak = 0, peakv = 0, peakf = 0; //ptr = 0 
-       int vLf125 = 0, vLf134 = 0, vHf = 0;    // in mV
-
-//     UsbCommand c;
-
-  LED_B_ON();
-       DbpString("Measuring antenna characteristics, please wait...");
-       memset(dest,0,FREE_BUFFER_SIZE);
+       int i, adcval = 0, peak = 0;
 
 /*
  * Sweeps the useful LF range of the proxmark from
@@ -213,49 +190,69 @@ void MeasureAntennaTuning(void)
  * 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);
-       for (i=255; i>19; i--) {
-    WDT_HIT();
+       for (i=255; i>=19; i--) {
+               WDT_HIT();
                FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
                SpinDelay(20);
-               // Vref = 3.3V, and a 10000:240 voltage divider on the input
-               // can measure voltages up to 137500 mV
-               adcval = ((137500 * AvgAdc(ADC_CHAN_LF)) >> 10);
-               if (i==95)      vLf125 = adcval; // voltage at 125Khz
-               if (i==89)      vLf134 = adcval; // voltage at 134Khz
-
-               dest[i] = adcval>>8; // scale int to fit in byte for graphing purposes
-               if(dest[i] > peak) {
-                       peakv = adcval;
-                       peak = dest[i];
-                       peakf = i;
+               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
+
+               LF_Results[i] = adcval>>8; // scale int to fit in byte for graphing purposes
+               if(LF_Results[i] > peak) {
+                       *peakv = adcval;
+                       peak = LF_Results[i];
+                       *peakf = i;
                        //ptr = i;
                }
        }
 
-  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.
-       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+       LED_A_ON();
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        SpinDelay(20);
-       // Vref = 3300mV, and an 10:1 voltage divider on the input
-       // can measure voltages up to 33000 mV
-       vHf = (33000 * AvgAdc(ADC_CHAN_HF)) >> 10;
-
-//     c.cmd = CMD_MEASURED_ANTENNA_TUNING;
-//     c.arg[0] = (vLf125 << 0) | (vLf134 << 16);
-//     c.arg[1] = vHf;
-//     c.arg[2] = peakf | (peakv << 16);
-
-  DbpString("Measuring complete, sending report back to host");
-  cmd_send(CMD_MEASURED_ANTENNA_TUNING,vLf125|(vLf134<<16),vHf,peakf|(peakv<<16),0,0);
-//     UsbSendPacket((uint8_t *)&c, sizeof(c));
+       *vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
+       LED_A_OFF();
+
+       return;
+}
+
+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 | (vLf134<<16), vHf, peakf | (peakv<<16), LF_Results, 256);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-  LED_A_OFF();
-  LED_B_OFF();
-  return;
+       LED_B_OFF();
+       return;
 }
 
 void MeasureAntennaTuningHf(void)
@@ -264,68 +261,24 @@ void MeasureAntennaTuningHf(void)
 
        DbpString("Measuring HF antenna, press button to exit");
 
+       // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
+
        for (;;) {
-               // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
-               FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-               FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
                SpinDelay(20);
-               // Vref = 3300mV, and an 10:1 voltage divider on the input
-               // can measure voltages up to 33000 mV
-               vHf = (33000 * AvgAdc(ADC_CHAN_HF)) >> 10;
+               vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
 
                Dbprintf("%d mV",vHf);
                if (BUTTON_PRESS()) break;
        }
        DbpString("cancelled");
-}
-
-
-void SimulateTagHfListen(void)
-{
-       uint8_t *dest = (uint8_t *)BigBuf+FREE_BUFFER_OFFSET;
-       uint8_t v = 0;
-       int i;
-       int p = 0;
 
-       // We're using this mode just so that I can test it out; the simulated
-       // tag mode would work just as well and be simpler.
-       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR | FPGA_HF_READER_RX_XCORR_848_KHZ | FPGA_HF_READER_RX_XCORR_SNOOP);
-
-       // We need to listen to the high-frequency, peak-detected path.
-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
-
-       FpgaSetupSsc();
-
-       i = 0;
-       for(;;) {
-               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
-                       AT91C_BASE_SSC->SSC_THR = 0xff;
-               }
-               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
-                       uint8_t r = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
-
-                       v <<= 1;
-                       if(r & 1) {
-                               v |= 1;
-                       }
-                       p++;
-
-                       if(p >= 8) {
-                               dest[i] = v;
-                               v = 0;
-                               p = 0;
-                               i++;
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 
-                               if(i >= FREE_BUFFER_SIZE) {
-                                       break;
-                               }
-                       }
-               }
-       }
-       DbpString("simulate tag (now type bitsamples)");
 }
 
+
 void ReadMem(int addr)
 {
        const uint8_t *data = ((uint8_t *)addr);
@@ -337,11 +290,11 @@ void ReadMem(int addr)
 /* osimage version information is linked in */
 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;
+extern char *_bootphase1_version_pointer, _flash_start, _flash_end, _bootrom_start, _bootrom_end, __data_src_start__;
 void SendVersion(void)
 {
-       char temp[256]; /* Limited data payload in USB packets */
-       DbpString("Prox/RFID mark3 RFID instrument");
+       char temp[USB_CMD_DATA_SIZE]; /* Limited data payload in USB packets */
+       char VersionString[USB_CMD_DATA_SIZE] = { '\0' };
 
        /* Try to find the bootrom version information. Expect to find a pointer at
         * symbol _bootphase1_version_pointer, perform slight sanity checks on the
@@ -349,33 +302,79 @@ void SendVersion(void)
         */
        char *bootrom_version = *(char**)&_bootphase1_version_pointer;
        if( bootrom_version < &_flash_start || bootrom_version >= &_flash_end ) {
-               DbpString("bootrom version information appears invalid");
+               strcat(VersionString, "bootrom version information appears invalid\n");
        } else {
                FormatVersionInformation(temp, sizeof(temp), "bootrom: ", bootrom_version);
-               DbpString(temp);
+               strncat(VersionString, temp, sizeof(VersionString) - strlen(VersionString) - 1);
        }
 
        FormatVersionInformation(temp, sizeof(temp), "os: ", &version_information);
-       DbpString(temp);
+       strncat(VersionString, temp, sizeof(VersionString) - strlen(VersionString) - 1);
 
-       FpgaGatherVersion(temp, sizeof(temp));
-       DbpString(temp);
-       // Send Chip ID
-       cmd_send(CMD_ACK,*(AT91C_DBGU_CIDR),0,0,NULL,0);
+       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);
+
+       // 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));
 }
 
-#ifdef WITH_LF
-// samy's sniff and repeat routine
-void SamyRun()
+// 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) 
 {
-       DbpString("Stand-alone mode! No PC necessary.");
-       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+       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;
+       
+       LED_B_ON();
+       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;
+       }
+       LED_B_OFF();
 
-       // 3 possible options? no just 2 for now
-#define OPTS 2
+       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));
 
-       int high[OPTS], low[OPTS];
+}
+       
+/**
+  * Prints runtime information about the PM3.
+**/
+void SendStatus(void)
+{
+       BigBuf_print_status();
+       Fpga_print_status();
+       printConfig(); //LF Sampling config
+       printUSBSpeed();
+       Dbprintf("Various");
+       Dbprintf("  MF_DBGLEVEL......%d", MF_DBGLEVEL);
+       Dbprintf("  ToSendMax........%d",ToSendMax);
+       Dbprintf("  ToSendBit........%d",ToSendBit);
+
+       cmd_send(CMD_ACK,1,0,0,0,0);
+}
+
+#if defined(WITH_ISO14443a_StandAlone) || defined(WITH_LF)
+
+#define OPTS 2
 
+void StandAloneMode()
+{
+       DbpString("Stand-alone mode! No PC necessary.");
        // Oooh pretty -- notify user we're in elite samy mode now
        LED(LED_RED,    200);
        LED(LED_ORANGE, 200);
@@ -387,24 +386,288 @@ void SamyRun()
        LED(LED_ORANGE, 200);
        LED(LED_RED,    200);
 
+}
+
+#endif
+
+
+
+#ifdef WITH_ISO14443a_StandAlone
+void StandAloneMode14a()
+{
+       StandAloneMode();
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+
+       int selected = 0;
+       int playing = 0, iGotoRecord = 0, iGotoClone = 0;
+       int cardRead[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);
+
+       for (;;)
+       {
+               usb_poll();
+               WDT_HIT();
+               SpinDelay(300);
+
+               if (iGotoRecord == 1 || cardRead[selected] == 0)
+               {
+                       iGotoRecord = 0;
+                       LEDsoff();
+                       LED(selected + 1, 0);
+                       LED(LED_RED2, 0);
+
+                       // record
+                       Dbprintf("Enabling iso14443a reader mode for [Bank: %u]...", selected);
+                       /* need this delay to prevent catching some weird data */
+                       SpinDelay(500);
+                       /* Code for reading from 14a tag */
+                       uint8_t uid[10]  ={0};
+                       uint32_t cuid;
+                       iso14443a_setup(FPGA_HF_ISO14443A_READER_MOD);
+
+                       for ( ; ; )
+                       {
+                               WDT_HIT();
+                               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; // playing = 1;
+                                       }
+                                       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;
+                               else
+                               {
+                                       Dbprintf("Read UID:"); Dbhexdump(10,uid,0);
+                                       memcpy(readUID,uid,10*sizeof(uint8_t));
+                                       uint8_t *dst = (uint8_t *)&uid_tmp1;
+                                       // Set UID byte order
+                                       for (int i=0; i<4; i++)
+                                               dst[i] = uid[3-i];
+                                       dst = (uint8_t *)&uid_tmp2;
+                                       for (int i=0; i<4; i++)
+                                               dst[i] = uid[7-i];
+                                       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);
+                       LED(LED_GREEN,  200);
+                       LED(LED_ORANGE, 200);
+
+                       LEDsoff();
+                       LED(selected + 1, 0);
+
+                       // Next state is replay:
+                       playing = 1;
+
+                       cardRead[selected] = 1;
+               }
+               /* MF Classic UID clone */
+               else if (iGotoClone==1)
+               {
+                       iGotoClone=0;
+                       LEDsoff();
+                       LED(selected + 1, 0);
+                       LED(LED_ORANGE, 250);
+
+
+                       // record
+                       Dbprintf("Preparing to Clone card [Bank: %x]; uid: %08x", selected, uid_1st[selected]);
+
+                       // 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 = 1;
+                       }
+                       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] = 0; // Only if the card was cloned successfully should we clear it
+                                       playing = 0;
+                                       iGotoRecord = 1;
+                                       selected = (selected+1) % OPTS;
+                               }
+                               else {
+                                       Dbprintf("Clone failed. Back to replay mode on bank[%d]", selected);
+                                       playing = 1;
+                               }
+                       }
+                       LEDsoff();
+                       LED(selected + 1, 0);
+
+               }
+               // Change where to record (or begin playing)
+               else if (playing==1) // button_pressed == BUTTON_SINGLE_CLICK && cardRead[selected])
+               {
+                       LEDsoff();
+                       LED(selected + 1, 0);
+
+                       // Begin transmitting
+                       if (playing)
+                       {
+                               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);
+                                               }
+                                       }
+                                       else if (button_action == BUTTON_SINGLE_CLICK) {
+                                               selected = (selected + 1) % OPTS;
+                                               Dbprintf("Done playing. Switching to record mode on bank %d",selected);
+                                               iGotoRecord = 1;
+                                               break;
+                                       }
+                                       else if (button_action == BUTTON_HOLD) {
+                                               Dbprintf("Playtime over. Begin cloning...");
+                                               iGotoClone = 1;
+                                               break;
+                                       }
+                                       WDT_HIT();
+                               }
+
+                               /* We pressed a button so ignore it here with a delay */
+                               SpinDelay(300);
+                               LEDsoff();
+                               LED(selected + 1, 0);
+                       }
+                       else
+                               while(BUTTON_PRESS())
+                                       WDT_HIT();
+               }
+       }
+}
+#elif WITH_LF
+// samy's sniff and repeat routine
+void SamyRun()
+{
+       StandAloneMode();
+       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
+       int high[OPTS], low[OPTS];
        int selected = 0;
        int playing = 0;
+       int cardRead = 0;
 
        // Turn on selected LED
        LED(selected + 1, 0);
 
        for (;;)
        {
-//             UsbPoll(FALSE);
                usb_poll();
-    WDT_HIT();
+               WDT_HIT();
 
                // Was our button held down or pressed?
                int button_pressed = BUTTON_HELD(1000);
                SpinDelay(300);
 
                // Button was held for a second, begin recording
-               if (button_pressed > 0)
+               if (button_pressed > 0 && cardRead == 0)
                {
                        LEDsoff();
                        LED(selected + 1, 0);
@@ -421,7 +684,7 @@ void SamyRun()
                        SpinDelay(500);
 
                        CmdHIDdemodFSK(1, &high[selected], &low[selected], 0);
-                       Dbprintf("Recorded %x %x %x", selected, high[selected], low[selected]);
+                       Dbprintf("Recorded %x %x%08x", selected, high[selected], low[selected]);
 
                        LEDsoff();
                        LED(selected + 1, 0);
@@ -430,6 +693,40 @@ void SamyRun()
                        // If we were previously playing, set playing off
                        // so next button push begins playing what we recorded
                        playing = 0;
+                       
+                       cardRead = 1;
+       
+               }
+
+               else if (button_pressed > 0 && cardRead == 1)
+               {
+                                       LEDsoff();
+                                       LED(selected + 1, 0);
+                                       LED(LED_ORANGE, 0);
+
+                                       // record
+                                       Dbprintf("Cloning %x %x%08x", selected, high[selected], low[selected]);
+
+                                       // wait for button to be released
+                                       while(BUTTON_PRESS())
+                                               WDT_HIT();
+
+                                       /* need this delay to prevent catching some weird data */
+                                       SpinDelay(500);
+
+                                       CopyHIDtoT55x7(0, high[selected], low[selected], 0);
+                                       Dbprintf("Cloned %x %x%08x", selected, high[selected], low[selected]);
+
+                                       LEDsoff();
+                                       LED(selected + 1, 0);
+                                       // Finished recording
+
+                                       // If we were previously playing, set playing off
+                                       // so next button push begins playing what we recorded
+                                       playing = 0;
+                                       
+                                       cardRead = 0;
+                       
                }
 
                // Change where to record (or begin playing)
@@ -451,7 +748,7 @@ void SamyRun()
                                // wait for button to be released
                                while(BUTTON_PRESS())
                                        WDT_HIT();
-                               Dbprintf("%x %x %x", selected, high[selected], low[selected]);
+                               Dbprintf("%x %x%08x", selected, high[selected], low[selected]);
                                CmdHIDsimTAG(high[selected], low[selected], 0);
                                DbpString("Done playing");
                                if (BUTTON_HELD(1000) > 0)
@@ -476,8 +773,8 @@ void SamyRun()
                }
        }
 }
-#endif
 
+#endif
 /*
 OBJECTIVE
 Listen and detect an external reader. Determine the best location
@@ -517,26 +814,32 @@ 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_count= 0, lf_max;
-       int hf_av, hf_av_new,  hf_baseline= 0, hf_count= 0, hf_max;
+       int lf_av, lf_av_new, lf_baseline= 0, lf_max;
+       int hf_av, hf_av_new,  hf_baseline= 0, hf_max;
        int mode=1, display_val, display_max, i;
 
-#define LF_ONLY                1
-#define HF_ONLY                2
+#define LF_ONLY                                                1
+#define HF_ONLY                                                2
+#define REPORT_CHANGE                          10    // report new values only if they have changed at least by REPORT_CHANGE
+
+
+       // switch off FPGA - we don't want to measure our own signal
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 
        LEDsoff();
 
-       lf_av=lf_max=ReadAdc(ADC_CHAN_LF);
+       lf_av = lf_max = AvgAdc(ADC_CHAN_LF);
 
        if(limit != HF_ONLY) {
-               Dbprintf("LF 125/134 Baseline: %d", lf_av);
+               Dbprintf("LF 125/134kHz Baseline: %dmV", (MAX_ADC_LF_VOLTAGE * lf_av) >> 10);
                lf_baseline = lf_av;
        }
 
-       hf_av=hf_max=ReadAdc(ADC_CHAN_HF);
+       hf_av = hf_max = AvgAdc(ADC_CHAN_HF);
 
        if (limit != LF_ONLY) {
-               Dbprintf("HF 13.56 Baseline: %d", hf_av);
+               Dbprintf("HF 13.56MHz Baseline: %dmV", (MAX_ADC_HF_VOLTAGE * hf_av) >> 10);
                hf_baseline = hf_av;
        }
 
@@ -559,38 +862,38 @@ void ListenReaderField(int limit)
                WDT_HIT();
 
                if (limit != HF_ONLY) {
-                       if(mode==1) {
-                               if (abs(lf_av - lf_baseline) > 10) LED_D_ON();
-                               else                               LED_D_OFF();
+                       if(mode == 1) {
+                               if (ABS(lf_av - lf_baseline) > REPORT_CHANGE) 
+                                       LED_D_ON();
+                               else
+                                       LED_D_OFF();
                        }
 
-                       ++lf_count;
-                       lf_av_new= ReadAdc(ADC_CHAN_LF);
+                       lf_av_new = AvgAdc(ADC_CHAN_LF);
                        // see if there's a significant change
-                       if(abs(lf_av - lf_av_new) > 10) {
-                               Dbprintf("LF 125/134 Field Change: %x %x %x", lf_av, lf_av_new, lf_count);
+                       if(ABS(lf_av - lf_av_new) > REPORT_CHANGE) {
+                               Dbprintf("LF 125/134kHz Field Change: %5dmV", (MAX_ADC_LF_VOLTAGE * lf_av_new) >> 10);
                                lf_av = lf_av_new;
                                if (lf_av > lf_max)
                                        lf_max = lf_av;
-                               lf_count= 0;
                        }
                }
 
                if (limit != LF_ONLY) {
                        if (mode == 1){
-                               if (abs(hf_av - hf_baseline) > 10) LED_B_ON();
-                               else                               LED_B_OFF();
+                               if (ABS(hf_av - hf_baseline) > REPORT_CHANGE)   
+                                       LED_B_ON();
+                               else
+                                       LED_B_OFF();
                        }
 
-                       ++hf_count;
-                       hf_av_new= ReadAdc(ADC_CHAN_HF);
+                       hf_av_new = AvgAdc(ADC_CHAN_HF);
                        // see if there's a significant change
-                       if(abs(hf_av - hf_av_new) > 10) {
-                               Dbprintf("HF 13.56 Field Change: %x %x %x", hf_av, hf_av_new, hf_count);
+                       if(ABS(hf_av - hf_av_new) > REPORT_CHANGE) {
+                               Dbprintf("HF 13.56MHz Field Change: %5dmV", (MAX_ADC_HF_VOLTAGE * hf_av_new) >> 10);
                                hf_av = hf_av_new;
                                if (hf_av > hf_max)
                                        hf_max = hf_av;
-                               hf_count= 0;
                        }
                }
 
@@ -631,31 +934,44 @@ void UsbPacketReceived(uint8_t *packet, int len)
   
        switch(c->cmd) {
 #ifdef WITH_LF
+               case CMD_SET_LF_SAMPLING_CONFIG:
+                       setSamplingConfig((sample_config *) c->d.asBytes);
+                       break;
                case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:
-                       AcquireRawAdcSamples125k(c->arg[0]);
-                       cmd_send(CMD_ACK,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_LF_SNOOP_RAW_ADC_SAMPLES:
-                       SnoopLFRawAdcSamples(c->arg[0], c->arg[1]);
-                       cmd_send(CMD_ACK,0,0,0,0,0);
+                       cmd_send(CMD_ACK,SnoopLF(),0,0,0,0);
                        break;
                case CMD_HID_DEMOD_FSK:
-                       CmdHIDdemodFSK(c->arg[0], 0, 0, 1);                                     // Demodulate HID tag
+                       CmdHIDdemodFSK(c->arg[0], 0, 0, 1);
                        break;
                case CMD_HID_SIM_TAG:
-                       CmdHIDsimTAG(c->arg[0], c->arg[1], 1);                                  // Simulate HID tag by ID
+                       CmdHIDsimTAG(c->arg[0], c->arg[1], 1);
+                       break;
+               case CMD_FSK_SIM_TAG:
+                       CmdFSKsimTAG(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       break;
+               case CMD_ASK_SIM_TAG:
+                       CmdASKsimTag(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       break;
+               case CMD_PSK_SIM_TAG:
+                       CmdPSKsimTag(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
-               case CMD_HID_CLONE_TAG: // Clone HID tag by ID to T55x7
+               case CMD_HID_CLONE_TAG:
                        CopyHIDtoT55x7(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
                        break;
                case CMD_IO_DEMOD_FSK:
-                       CmdIOdemodFSK(c->arg[0], 0, 0, 1);                                      // Demodulate IO tag
+                       CmdIOdemodFSK(c->arg[0], 0, 0, 1);
                        break;
-               case CMD_IO_CLONE_TAG: // Clone IO tag by ID to T55x7
-                       CopyIOtoT55x7(c->arg[0], c->arg[1], c->d.asBytes[0]);
+               case CMD_IO_CLONE_TAG:
+                       CopyIOtoT55x7(c->arg[0], c->arg[1]);
+                       break;
+               case CMD_EM410X_DEMOD:
+                       CmdEM410xdemod(c->arg[0], 0, 0, 1);
                        break;
                case CMD_EM410X_WRITE_TAG:
                        WriteEM410x(c->arg[0], c->arg[1], c->arg[2]);
@@ -674,31 +990,44 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_LF_SIMULATE_BIDIR:
                        SimulateTagLowFrequencyBidir(c->arg[0], c->arg[1]);
                        break;
-               case CMD_INDALA_CLONE_TAG:                                      // Clone Indala 64-bit tag by UID to T55x7
+               case CMD_INDALA_CLONE_TAG:
                        CopyIndala64toT55x7(c->arg[0], c->arg[1]);                                      
                        break;
-               case CMD_INDALA_CLONE_TAG_L:                                    // Clone Indala 224-bit tag by UID to T55x7
+               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_READ_TRACE: // Clone HID tag by ID to T55x7
-                       T55xxReadTrace();
+               case CMD_T55XX_WAKEUP:
+                       T55xxWakeUp(c->arg[0]);
+                       break;
+               case CMD_T55XX_RESET_READ:
+                       T55xxResetRead();
                        break;
-               case CMD_PCF7931_READ: // Read PCF7931 tag
+               case CMD_PCF7931_READ:
                        ReadPCF7931();
-                       cmd_send(CMD_ACK,0,0,0,0,0);
-//             UsbSendPacket((uint8_t*)&ack, sizeof(ack));
+                       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_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:
-                       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_AWID_DEMOD_FSK: // Set realtime AWID demodulation
+                       CmdAWIDdemodFSK(c->arg[0], 0, 0, 1);
+                       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
 
@@ -712,8 +1041,25 @@ void UsbPacketReceived(uint8_t *packet, int len)
                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],(byte_t*)c->d.asBytes);
+                       break;
+               case CMD_TEST_HITAGS_TRACES:// Tests every challenge within the given file
+                       check_challenges((bool)c->arg[0],(byte_t*)c->d.asBytes);
+                       break;
+               case CMD_READ_HITAG_S://Reader for only Hitag S tags, args = key or challenge
+                       ReadHitagS((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes);
+                       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();
@@ -738,7 +1084,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        ReaderIso15693(c->arg[0]);
                        break;
                case CMD_SIMTAG_ISO_15693:
-                       SimTagIso15693(c->arg[0]);
+                       SimTagIso15693(c->arg[0], c->d.asBytes);
                        break;
 #endif
 
@@ -757,20 +1103,17 @@ void UsbPacketReceived(uint8_t *packet, int len)
 #endif
 
 #ifdef WITH_ISO14443b
-               case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_14443:
-                       AcquireRawAdcSamplesIso14443(c->arg[0]);
-                       break;
                case CMD_READ_SRI512_TAG:
-                       ReadSTMemoryIso14443(0x0F);
+                       ReadSTMemoryIso14443b(0x0F);
                        break;
                case CMD_READ_SRIX4K_TAG:
-                       ReadSTMemoryIso14443(0x7F);
+                       ReadSTMemoryIso14443b(0x7F);
                        break;
-               case CMD_SNOOP_ISO_14443:
-                       SnoopIso14443();
+               case CMD_SNOOP_ISO_14443B:
+                       SnoopIso14443b();
                        break;
-               case CMD_SIMULATE_TAG_ISO_14443:
-                       SimulateIso14443Tag();
+               case CMD_SIMULATE_TAG_ISO_14443B:
+                       SimulateIso14443bTag();
                        break;
                case CMD_ISO_14443B_COMMAND:
                        SendRawCommand14443B(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
@@ -787,34 +1130,47 @@ 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_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]);
+                       ReaderMifare(c->arg[0]);
                        break;
                case CMD_MIFARE_READBL:
                        MifareReadBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFAREU_READBL:
-                       MifareUReadBlock(c->arg[0],c->d.asBytes);
+                       MifareUReadBlock(c->arg[0],c->arg[1], c->d.asBytes);
+                       break;
+               case CMD_MIFAREUC_AUTH:
+                       MifareUC_Auth(c->arg[0],c->d.asBytes);
                        break;
                case CMD_MIFAREU_READCARD:
-                       MifareUReadCard(c->arg[0],c->d.asBytes);
-                        break;
+                       MifareUReadCard(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+                       break;
+               case CMD_MIFAREUC_SETPWD: 
+                       MifareUSetPwd(c->arg[0], c->d.asBytes);
+                       break;
                case CMD_MIFARE_READSC:
                        MifareReadSector(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFARE_WRITEBL:
                        MifareWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
-               case CMD_MIFAREU_WRITEBL_COMPAT:
-                       MifareUWriteBlock(c->arg[0], c->d.asBytes);
-                        break;
+               //case CMD_MIFAREU_WRITEBL_COMPAT:
+                       //MifareUWriteBlockCompat(c->arg[0], c->d.asBytes);
+                       //break;
                case CMD_MIFAREU_WRITEBL:
-                        MifareUWriteBlock_Special(c->arg[0], c->d.asBytes);
-                        break;
+                       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;
@@ -843,17 +1199,24 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        break;
                        
                // Work with "magic Chinese" card
-               case CMD_MIFARE_EML_CSETBLOCK:
+               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_EML_CGETBLOCK:
+               case CMD_MIFARE_CGETBLOCK:
                        MifareCGetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
+               case CMD_MIFARE_CIDENT:
+                       MifareCIdent();
+                       break;
                        
                // mifare sniffer
                case CMD_MIFARE_SNIFFER:
                        SniffMifare(c->arg[0]);
                        break;
+
 #endif
 
 #ifdef WITH_ICLASS
@@ -868,20 +1231,42 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        ReaderIClass(c->arg[0]);
                        break;
                case CMD_READER_ICLASS_REPLAY:
-                   ReaderIClass_Replay(c->arg[0], c->d.asBytes);
+                       ReaderIClass_Replay(c->arg[0], c->d.asBytes);
+                       break;
+               case CMD_ICLASS_EML_MEMSET:
+                       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_READCHECK:  // auth step 1
+                       iClass_ReadCheck(c->arg[0], c->arg[1]);
+                       break;
+               case CMD_ICLASS_READBLOCK:
+                       iClass_ReadBlk(c->arg[0]);
+                       break;
+               case CMD_ICLASS_AUTHENTICATION: //check
+                       iClass_Authentication(c->d.asBytes);
+                       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
-
-               case CMD_SIMULATE_TAG_HF_LISTEN:
-                       SimulateTagHfListen();
+#ifdef WITH_HFSNOOP
+               case CMD_HF_SNIFFER:
+                       HfSnoop(c->arg[0], c->arg[1]);
                        break;
+#endif
 
                case CMD_BUFF_CLEAR:
-                       BufferClear();
+                       BigBuf_Clear();
                        break;
 
                case CMD_MEASURE_ANTENNA_TUNING:
-                       MeasureAntennaTuning();
+                       MeasureAntennaTuning(c->arg[0]);
                        break;
 
                case CMD_MEASURE_ANTENNA_TUNING_HF:
@@ -899,34 +1284,30 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        break;
 
                case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K:
-//                     UsbCommand n;
-//                     if(c->cmd == CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K) {
-//                             n.cmd = CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K;
-//                     } else {
-//                             n.cmd = CMD_DOWNLOADED_RAW_BITS_TI_TYPE;
-//                     }
-//                     n.arg[0] = c->arg[0];
-      //                       memcpy(n.d.asBytes, BigBuf+c->arg[0], 48); // 12*sizeof(uint32_t)
-      //                       LED_B_ON();
-      //      usb_write((uint8_t *)&n, sizeof(n));
-      //                       UsbSendPacket((uint8_t *)&n, sizeof(n));
-      //                       LED_B_OFF();
 
                        LED_B_ON();
+                       uint8_t *BigBuf = BigBuf_get_addr();
                        for(size_t i=0; i<c->arg[1]; i += USB_CMD_DATA_SIZE) {
                                size_t len = MIN((c->arg[1] - i),USB_CMD_DATA_SIZE);
-                               cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,0,((byte_t*)BigBuf)+c->arg[0]+i,len);
+                               cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,BigBuf_get_traceLen(),BigBuf+c->arg[0]+i,len);
                        }
                        // Trigger a finish downloading signal with an ACK frame
-                       cmd_send(CMD_ACK,0,0,0,0,0);
+                       cmd_send(CMD_ACK,1,0,BigBuf_get_traceLen(),getSamplingConfig(),sizeof(sample_config));
                        LED_B_OFF();
                        break;
 
                case CMD_DOWNLOADED_SIM_SAMPLES_125K: {
-                       uint8_t *b = (uint8_t *)BigBuf;
-                       memcpy(b+c->arg[0], c->d.asBytes, 48);
-                       //Dbprintf("copied 48 bytes to %i",b+c->arg[0]);
-//                     UsbSendPacket((uint8_t*)&ack, sizeof(ack));
+                       // 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;
                }       
@@ -935,7 +1316,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        break;
 
                case CMD_SET_LF_DIVISOR:
-                       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+                       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
                        FpgaSendCommand(FPGA_CMD_SET_DIVISOR, c->arg[0]);
                        break;
 
@@ -951,7 +1332,12 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_VERSION:
                        SendVersion();
                        break;
-
+               case CMD_STATUS:
+                       SendStatus();
+                       break;
+               case CMD_PING:
+                       cmd_send(CMD_ACK,0,0,0,0,0);
+                       break;
 #ifdef WITH_LCD
                case CMD_LCD_RESET:
                        LCDReset();
@@ -984,7 +1370,6 @@ 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;
-//                     UsbSendPacket((uint8_t*)&c, sizeof(c));
                        cmd_send(CMD_DEVICE_INFO,dev_info,0,0,0,0);     
                        break;
                }
@@ -997,7 +1382,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
 void  __attribute__((noreturn)) AppMain(void)
 {
        SpinDelay(100);
-
+       clear_trace();
        if(common_area.magic != COMMON_AREA_MAGIC || common_area.version != 1) {
                /* Initialize common area */
                memset(&common_area, 0, sizeof(common_area));
@@ -1011,9 +1396,8 @@ void  __attribute__((noreturn)) AppMain(void)
        LED_B_OFF();
        LED_A_OFF();
 
-  // Init USB device`
+       // Init USB device
   usb_enable();
-//     UsbStart();
 
        // The FPGA gets its clock from us from PCK0 output, so set that up.
        AT91C_BASE_PIOA->PIO_BSR = GPIO_PCK0;
@@ -1021,7 +1405,7 @@ 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_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
@@ -1049,13 +1433,19 @@ void  __attribute__((noreturn)) AppMain(void)
         UsbPacketReceived(rx,rx_len);
       }
     }
-//             UsbPoll(FALSE);
-
                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();
+#endif
 #endif
        }
 }
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