]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/appmain.c
fix truncation issue on "lf t55 config" modulation
[proxmark3-svn] / armsrc / appmain.c
index 782c57fab10aa4371ce60d3ae64424bf81975874..e8581216522e189e8da3ab5880275f1c3c0ad208 100644 (file)
 // executes.
 //-----------------------------------------------------------------------------
 
 // executes.
 //-----------------------------------------------------------------------------
 
+#include <stdarg.h>
+
 #include "usb_cdc.h"
 #include "cmd.h"
 #include "usb_cdc.h"
 #include "cmd.h"
-
 #include "proxmark3.h"
 #include "apps.h"
 #include "util.h"
 #include "printf.h"
 #include "string.h"
 #include "proxmark3.h"
 #include "apps.h"
 #include "util.h"
 #include "printf.h"
 #include "string.h"
-
-#include <stdarg.h>
-
 #include "legicrf.h"
 #include "legicrf.h"
-#include <hitag2.h>
+#include "hitag2.h"
+#include "hitagS.h"
 #include "lfsampling.h"
 #include "BigBuf.h"
 #include "mifareutil.h"
 #include "lfsampling.h"
 #include "BigBuf.h"
 #include "mifareutil.h"
 #endif
 
 // Craig Young - 14a stand-alone code
 #endif
 
 // Craig Young - 14a stand-alone code
-#ifdef WITH_ISO14443a_StandAlone
+#ifdef WITH_ISO14443a
  #include "iso14443a.h"
 #endif
 
  #include "iso14443a.h"
 #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
 //=============================================================================
 // 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
@@ -138,35 +135,28 @@ void Dbhexdump(int len, uint8_t *d, bool bAsci) {
 // return that.
 //-----------------------------------------------------------------------------
 static int ReadAdc(int ch)
 // 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. 
        // 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. 
+       // AMPL_HI is are 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_START;
+       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
 
 
-       while(!(AT91C_BASE_ADC->ADC_SR & ADC_END_OF_CONVERSION(ch)))
-               ;
-       d = AT91C_BASE_ADC->ADC_CDR[ch];
+       AT91C_BASE_ADC->ADC_CHER = ADC_CHANNEL(ch);
+       AT91C_BASE_ADC->ADC_CR = AT91C_ADC_START;
 
 
-       return d;
+       while(!(AT91C_BASE_ADC->ADC_SR & ADC_END_OF_CONVERSION(ch))) {};
+       
+       return AT91C_BASE_ADC->ADC_CDR[ch];
 }
 
 int AvgAdc(int ch) // was static - merlok
 }
 
 int AvgAdc(int ch) // was static - merlok
@@ -181,13 +171,9 @@ int AvgAdc(int ch) // was static - merlok
        return (a + 15) >> 5;
 }
 
        return (a + 15) >> 5;
 }
 
-void MeasureAntennaTuning(void)
+void MeasureAntennaTuningLfOnly(int *vLf125, int *vLf134, int *peakf, int *peakv, uint8_t LF_Results[])
 {
 {
-       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
-
-       LED_B_ON();
+       int i, adcval = 0, peak = 0;
 
 /*
  * Sweeps the useful LF range of the proxmark from
 
 /*
  * Sweeps the useful LF range of the proxmark from
@@ -197,38 +183,69 @@ 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);
+       SpinDelay(50);
+       
        for (i=255; i>=19; i--) {
        for (i=255; i>=19; i--) {
-    WDT_HIT();
+               WDT_HIT();
                FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
                SpinDelay(20);
                adcval = ((MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10);
                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
+               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
+               LF_Results[i] = adcval >> 9; // scale int to fit in byte for graphing purposes
                if(LF_Results[i] > peak) {
                if(LF_Results[i] > peak) {
-                       peakv = adcval;
+                       *peakv = adcval;
                        peak = LF_Results[i];
                        peak = LF_Results[i];
-                       peakf = i;
+                       *peakf = i;
                        //ptr = i;
                }
        }
 
        for (i=18; i >= 0; i--) LF_Results[i] = 0;
                        //ptr = i;
                }
        }
 
        for (i=18; i >= 0; i--) LF_Results[i] = 0;
-       
-       LED_A_ON();
+
+       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);
+       LED_A_ON();
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        SpinDelay(20);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        SpinDelay(20);
-       vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
+       *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);
+       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;
 }
@@ -377,8 +394,8 @@ void StandAloneMode14a()
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 
        int selected = 0;
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 
        int selected = 0;
-       int playing = 0, iGotoRecord = 0, iGotoClone = 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};
@@ -394,9 +411,9 @@ void StandAloneMode14a()
                WDT_HIT();
                SpinDelay(300);
 
                WDT_HIT();
                SpinDelay(300);
 
-               if (iGotoRecord == 1 || cardRead[selected] == 0)
+               if (GotoRecord || !cardRead[selected])
                {
                {
-                       iGotoRecord = 0;
+                       GotoRecord = false;
                        LEDsoff();
                        LED(selected + 1, 0);
                        LED(LED_RED2, 0);
                        LEDsoff();
                        LED(selected + 1, 0);
                        LED(LED_RED2, 0);
@@ -421,14 +438,14 @@ void StandAloneMode14a()
                                        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;
                                        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;
+                                               break;
                                        }
                                        else {
                                                Dbprintf("Button press detected but no stored tag to play. (Ignoring button)");
                                                SpinDelay(300);
                                        }
                                }
                                        }
                                        else {
                                                Dbprintf("Button press detected but no stored tag to play. (Ignoring button)");
                                                SpinDelay(300);
                                        }
                                }
-                               if (!iso14443a_select_card(uid, &hi14a_card[selected], &cuid))
+                               if (!iso14443a_select_card(uid, &hi14a_card[selected], &cuid, true, 0, true))
                                        continue;
                                else
                                {
                                        continue;
                                else
                                {
@@ -471,14 +488,14 @@ void StandAloneMode14a()
                        LED(selected + 1, 0);
 
                        // Next state is replay:
                        LED(selected + 1, 0);
 
                        // Next state is replay:
-                       playing = 1;
+                       playing = true;
 
 
-                       cardRead[selected] = 1;
+                       cardRead[selected] = true;
                }
                /* MF Classic UID clone */
                }
                /* MF Classic UID clone */
-               else if (iGotoClone==1)
+               else if (GotoClone)
                {
                {
-                       iGotoClone=0;
+                       GotoClone=false;
                        LEDsoff();
                        LED(selected + 1, 0);
                        LED(LED_ORANGE, 250);
                        LEDsoff();
                        LED(selected + 1, 0);
                        LED(LED_ORANGE, 250);
@@ -529,7 +546,7 @@ void StandAloneMode14a()
                        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);
                        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;
+                               playing = true;
                        }
                        else {
                                Dbprintf("UID from target tag: %02X%02X%02X%02X", oldBlock0[0],oldBlock0[1],oldBlock0[2],oldBlock0[3]);
                        }
                        else {
                                Dbprintf("UID from target tag: %02X%02X%02X%02X", oldBlock0[0],oldBlock0[1],oldBlock0[2],oldBlock0[3]);
@@ -547,14 +564,14 @@ void StandAloneMode14a()
                                if (memcmp(testBlock0,newBlock0,16)==0)
                                {
                                        DbpString("Cloned successfull!");
                                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;
+                                       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);
                                        selected = (selected+1) % OPTS;
                                }
                                else {
                                        Dbprintf("Clone failed. Back to replay mode on bank[%d]", selected);
-                                       playing = 1;
+                                       playing = true;
                                }
                        }
                        LEDsoff();
                                }
                        }
                        LEDsoff();
@@ -562,61 +579,55 @@ void StandAloneMode14a()
 
                }
                // Change where to record (or begin playing)
 
                }
                // Change where to record (or begin playing)
-               else if (playing==1) // button_pressed == BUTTON_SINGLE_CLICK && cardRead[selected])
+               else if (playing) // button_pressed == BUTTON_SINGLE_CLICK && cardRead[selected])
                {
                        LEDsoff();
                        LED(selected + 1, 0);
 
                        // Begin transmitting
                {
                        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);
-                                               }
+                       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 (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 (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 (button_action == BUTTON_HOLD) {
-                                               Dbprintf("Playtime over. Begin cloning...");
-                                               iGotoClone = 1;
-                                               break;
+                                       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);
                                        }
                                        }
-                                       WDT_HIT();
                                }
                                }
-
-                               /* We pressed a button so ignore it here with a delay */
-                               SpinDelay(300);
-                               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);
                }
        }
 }
                }
        }
 }
@@ -841,7 +852,7 @@ void ListenReaderField(int limit)
 
                if (limit != HF_ONLY) {
                        if(mode == 1) {
 
                if (limit != HF_ONLY) {
                        if(mode == 1) {
-                               if (abs(lf_av - lf_baseline) > REPORT_CHANGE) 
+                               if (ABS(lf_av - lf_baseline) > REPORT_CHANGE) 
                                        LED_D_ON();
                                else
                                        LED_D_OFF();
                                        LED_D_ON();
                                else
                                        LED_D_OFF();
@@ -849,7 +860,7 @@ void ListenReaderField(int limit)
 
                        lf_av_new = AvgAdc(ADC_CHAN_LF);
                        // see if there's a significant change
 
                        lf_av_new = AvgAdc(ADC_CHAN_LF);
                        // see if there's a significant change
-                       if(abs(lf_av - lf_av_new) > REPORT_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);
                                lf_av = lf_av_new;
                                if (lf_av > lf_max)
                                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)
@@ -859,7 +870,7 @@ 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 (ABS(hf_av - hf_baseline) > REPORT_CHANGE)   
                                        LED_B_ON();
                                else
                                        LED_B_OFF();
                                        LED_B_ON();
                                else
                                        LED_B_OFF();
@@ -867,7 +878,7 @@ void ListenReaderField(int limit)
 
                        hf_av_new = AvgAdc(ADC_CHAN_HF);
                        // see if there's a significant change
 
                        hf_av_new = AvgAdc(ADC_CHAN_HF);
                        // see if there's a significant change
-                       if(abs(hf_av - hf_av_new) > REPORT_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);
                                hf_av = hf_av_new;
                                if (hf_av > hf_max)
                                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)
@@ -916,7 +927,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        setSamplingConfig((sample_config *) c->d.asBytes);
                        break;
                case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:
                        setSamplingConfig((sample_config *) c->d.asBytes);
                        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);
@@ -993,10 +1004,10 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        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:
                        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:
                        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_AWID_DEMOD_FSK: // Set realtime AWID demodulation
                        CmdAWIDdemodFSK(c->arg[0], 0, 0, 1);
@@ -1004,6 +1015,9 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_VIKING_CLONE_TAG:
                        CopyVikingtoT55xx(c->arg[0], c->arg[1], c->arg[2]);
                        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
@@ -1016,6 +1030,23 @@ 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_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
 #endif
 
 #ifdef WITH_ISO15693
@@ -1126,6 +1157,9 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_MIFAREU_WRITEBL:
                        MifareUWriteBlock(c->arg[0], c->arg[1], 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;
@@ -1154,6 +1188,9 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        break;
                        
                // Work with "magic Chinese" card
                        break;
                        
                // 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;
@@ -1218,7 +1255,7 @@ 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:
@@ -1249,6 +1286,15 @@ 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);
                        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);
@@ -1259,7 +1305,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        break;
 
                case CMD_SET_LF_DIVISOR:
                        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;
 
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