Merge pull request #15 from alexgrin/iceman_master

[proxmark3-svn] / armsrc / iso15693.c

diff --git a/armsrc/iso15693.c b/armsrc/iso15693.c
index 4a767b5659af34bd51b35d6582de0afeab483ab7..a6ad58ae72d8928f199df80b7f641d46e5e2c8dd 100644 (file)
--- a/armsrc/iso15693.c
+++ b/armsrc/iso15693.c
@@ -58,14 +58,12 @@
 // *) document all the functions
 
 
 // *) document all the functions
 
 

-#include "../include/proxmark3.h"
+#include "proxmark3.h"

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

-#include "../common/iso15693tools.h"
-#include "../common/cmd.h"
-#include "crapto1.h"
-#include "mifareutil.h"
+#include "iso15693tools.h"
+#include "cmd.h"

 
 #define arraylen(x) (sizeof(x)/sizeof((x)[0]))
 
 
 #define arraylen(x) (sizeof(x)/sizeof((x)[0]))
 


@@ -225,7 +223,7 @@ static void CodeIso15693AsReader256(uint8_t *cmd, int n)
 static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *wait)
 {
     int c;
 static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *wait)
 {
     int c;

-
+       volatile uint32_t r;

 //    FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX);
        if(*wait < 10) { *wait = 10; }
 //    FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX);
        if(*wait < 10) { *wait = 10; }


@@ -233,10 +231,10 @@ static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *w
 //    for(c = 0; c < *wait;) {
 //        if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
 //            AT91C_BASE_SSC->SSC_THR = 0x00;          // For exact timing!
 //    for(c = 0; c < *wait;) {
 //        if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
 //            AT91C_BASE_SSC->SSC_THR = 0x00;          // For exact timing!

-//            c++;
+//            ++c;

 //        }
 //        if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
 //        }
 //        if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {

-//            volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+//            r = AT91C_BASE_SSC->SSC_RHR;

 //            (void)r;
 //        }
 //        WDT_HIT();
 //            (void)r;
 //        }
 //        WDT_HIT();


@@ -246,13 +244,10 @@ static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *w
     for(;;) {
         if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
             AT91C_BASE_SSC->SSC_THR = cmd[c];
     for(;;) {
         if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
             AT91C_BASE_SSC->SSC_THR = cmd[c];

-            c++;
-            if(c >= len) {
-                break;
-            }
+            if( ++c >= len) break;

         }
         if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
         }
         if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {

-            volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+            r = AT91C_BASE_SSC->SSC_RHR;

             (void)r;
         }
         WDT_HIT();
             (void)r;
         }
         WDT_HIT();


@@ -266,19 +261,17 @@ static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *w
 static void TransmitTo15693Reader(const uint8_t *cmd, int len, int *samples, int *wait)
 {
     int c = 0;
 static void TransmitTo15693Reader(const uint8_t *cmd, int len, int *samples, int *wait)
 {
     int c = 0;

+       volatile uint32_t r;

        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR|FPGA_HF_SIMULATOR_MODULATE_424K);
        if(*wait < 10) { *wait = 10; }
 
     for(;;) {
         if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
             AT91C_BASE_SSC->SSC_THR = cmd[c];
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR|FPGA_HF_SIMULATOR_MODULATE_424K);
        if(*wait < 10) { *wait = 10; }
 
     for(;;) {
         if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
             AT91C_BASE_SSC->SSC_THR = cmd[c];

-            c++;
-            if(c >= len) {
-                break;
-            }
+            if( ++c >= len) break;

         }
         if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
         }
         if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {

-            volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+            r = AT91C_BASE_SSC->SSC_RHR;

             (void)r;
         }
         WDT_HIT();
             (void)r;
         }
         WDT_HIT();


@@ -297,21 +290,19 @@ static void TransmitTo15693Reader(const uint8_t *cmd, int len, int *samples, int
 //             number of decoded bytes
 static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
 {
 //             number of decoded bytes
 static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
 {

-       int c = 0;
-       uint8_t *dest = (uint8_t *)BigBuf;
-       int getNext = 0;
+       uint8_t *dest = BigBuf_get_addr();

 
 

+       int c = 0;
+       int getNext = FALSE;

        int8_t prev = 0;
 
        int8_t prev = 0;
 

-// NOW READ RESPONSE

        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);

-       //spindelay(60);        // greg - experiment to get rid of some of the 0 byte/failed reads
-       c = 0;
-       getNext = FALSE;
+       SpinDelay(100); // greg - experiment to get rid of some of the 0 byte/failed reads
+

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

-               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY))

                        AT91C_BASE_SSC->SSC_THR = 0x43;
                        AT91C_BASE_SSC->SSC_THR = 0x43;

-               }
+

                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
                        int8_t b;
                        b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
                        int8_t b;
                        b = (int8_t)AT91C_BASE_SSC->SSC_RHR;


@@ -321,18 +312,7 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
                        // every other is Q. We just want power, so abs(I) + abs(Q) is
                        // close to what we want.
                        if(getNext) {
                        // every other is Q. We just want power, so abs(I) + abs(Q) is
                        // close to what we want.
                        if(getNext) {

-                               int8_t r;
-
-                               if(b < 0) {
-                                       r = -b;
-                               } else {
-                                       r = b;
-                               }
-                               if(prev < 0) {
-                                       r -= prev;
-                               } else {
-                                       r += prev;
-                               }
+                               int8_t r = ABS(b) + ABS(prev);

 
                                dest[c++] = (uint8_t)r;
 
 
                                dest[c++] = (uint8_t)r;
 


@@ -439,29 +419,26 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
        } // "end if correlation > 0"   (max/(arraylen(FrameSOF)/skip))
        return k; // return the number of bytes demodulated
 
        } // "end if correlation > 0"   (max/(arraylen(FrameSOF)/skip))
        return k; // return the number of bytes demodulated
 

-///    DbpString("CRC=%04x", Iso15693Crc(outBuf, k-2));
-
+//     DbpString("CRC=%04x", Iso15693Crc(outBuf, k-2));

 }
 
 
 // Now the GetISO15693 message from sniffing command
 static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
 {
 }
 
 
 // Now the GetISO15693 message from sniffing command
 static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
 {

-       int c = 0;
-       uint8_t *dest = (uint8_t *)BigBuf;
-       int getNext = 0;
+       uint8_t *dest = BigBuf_get_addr();

 
 

+       int c = 0;
+       int getNext = FALSE;

        int8_t prev = 0;
 
        int8_t prev = 0;
 

-    // NOW READ RESPONSE

        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);

-       //spindelay(60);        // greg - experiment to get rid of some of the 0 byte/failed reads
-       c = 0;
-       getNext = FALSE;
+       SpinDelay(100); // greg - experiment to get rid of some of the 0 byte/failed reads
+

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

-               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY))

                        AT91C_BASE_SSC->SSC_THR = 0x43;
                        AT91C_BASE_SSC->SSC_THR = 0x43;

-               }
+

                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
                        int8_t b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
 
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
                        int8_t b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
 


@@ -469,9 +446,10 @@ static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int
                        // tone that the tag AM-modulates, so every other sample is I,
                        // every other is Q. We just want power, so abs(I) + abs(Q) is
                        // close to what we want.
                        // tone that the tag AM-modulates, so every other sample is I,
                        // every other is Q. We just want power, so abs(I) + abs(Q) is
                        // close to what we want.

-                       if (getNext) {
+                       if(getNext) {
+                               int8_t r = ABS(b) + ABS(prev);

 
 

-                               dest[c++] = abs(b) + abs(prev);
+                               dest[c++] = (uint8_t)r;

 
                                if(c >= 20000) {
                                        break;
 
                                if(c >= 20000) {
                                        break;


@@ -586,13 +564,14 @@ static void BuildIdentifyRequest(void);
 //-----------------------------------------------------------------------------
 void AcquireRawAdcSamplesIso15693(void)
 {
 //-----------------------------------------------------------------------------
 void AcquireRawAdcSamplesIso15693(void)
 {

-       uint8_t *dest =  get_bigbufptr_recvrespbuf();
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);

 
        int c = 0;
        int getNext = 0;
        int8_t prev = 0;
 
        int c = 0;
        int getNext = 0;
        int8_t prev = 0;

+       volatile uint32_t r;

 
 

-       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+       uint8_t *dest = BigBuf_get_addr();

        BuildIdentifyRequest();
 
        SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
        BuildIdentifyRequest();
 
        SetAdcMuxFor(GPIO_MUXSEL_HIPKD);


@@ -609,13 +588,10 @@ void AcquireRawAdcSamplesIso15693(void)
        for(;;) {
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
                        AT91C_BASE_SSC->SSC_THR = ToSend[c];
        for(;;) {
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
                        AT91C_BASE_SSC->SSC_THR = ToSend[c];

-                       c++;
-                       if(c == ToSendMax+3) {
-                               break;
-                       }
+                       if( ++c == ToSendMax+3) break;

                }
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
                }
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {

-                       volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+                       r = AT91C_BASE_SSC->SSC_RHR;

                        (void)r;
                }
                WDT_HIT();
                        (void)r;
                }
                WDT_HIT();


@@ -626,9 +602,9 @@ void AcquireRawAdcSamplesIso15693(void)
        c = 0;
        getNext = FALSE;
        for(;;) {
        c = 0;
        getNext = FALSE;
        for(;;) {

-               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY))

                        AT91C_BASE_SSC->SSC_THR = 0x43;
                        AT91C_BASE_SSC->SSC_THR = 0x43;

-               }
+               

                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
                        int8_t b;
                        b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
                        int8_t b;
                        b = (int8_t)AT91C_BASE_SSC->SSC_RHR;


@@ -638,24 +614,11 @@ void AcquireRawAdcSamplesIso15693(void)
                        // every other is Q. We just want power, so abs(I) + abs(Q) is
                        // close to what we want.
                        if(getNext) {
                        // every other is Q. We just want power, so abs(I) + abs(Q) is
                        // close to what we want.
                        if(getNext) {

-                               int8_t r;
-
-                               if(b < 0) {
-                                       r = -b;
-                               } else {
-                                       r = b;
-                               }
-                               if(prev < 0) {
-                                       r -= prev;
-                               } else {
-                                       r += prev;
-                               }
+                               
+                               dest[c++] = (uint8_t)(ABS(b) + ABS(prev));

 
 

-                               dest[c++] = (uint8_t)r;
-
-                               if(c >= 2000) {
-                                       break;
-                               }
+                               if(c >= 2000) break;
+                               

                        } else {
                                prev = b;
                        }
                        } else {
                                prev = b;
                        }


@@ -668,7 +631,7 @@ void AcquireRawAdcSamplesIso15693(void)
 
 void RecordRawAdcSamplesIso15693(void)
 {
 
 void RecordRawAdcSamplesIso15693(void)
 {

-       uint8_t *dest =  get_bigbufptr_recvrespbuf();
+       uint8_t *dest = BigBuf_get_addr();

 
        int c = 0;
        int getNext = 0;
 
        int c = 0;
        int getNext = 0;


@@ -679,8 +642,8 @@ void RecordRawAdcSamplesIso15693(void)
        FpgaSetupSsc();
 
        // Start from off (no field generated)
        FpgaSetupSsc();
 
        // Start from off (no field generated)

-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(200);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       SpinDelay(200);

 
        SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
 
 
        SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
 


@@ -703,18 +666,7 @@ void RecordRawAdcSamplesIso15693(void)
                        // every other is Q. We just want power, so abs(I) + abs(Q) is
                        // close to what we want.
                        if(getNext) {
                        // every other is Q. We just want power, so abs(I) + abs(Q) is
                        // close to what we want.
                        if(getNext) {

-                               int8_t r;
-
-                               if(b < 0) {
-                                       r = -b;
-                               } else {
-                                       r = b;
-                               }
-                               if(prev < 0) {
-                                       r -= prev;
-                               } else {
-                                       r += prev;
-                               }
+                               int8_t r = ABS(b) + ABS(prev);

 
                                dest[c++] = (uint8_t)r;
 
 
                                dest[c++] = (uint8_t)r;
 


@@ -867,12 +819,12 @@ int SendDataTag(uint8_t *send, int sendlen, int init, int speed, uint8_t **recv)
        LED_C_OFF();
        LED_D_OFF();
        
        LED_C_OFF();
        LED_D_OFF();
        

+       if (init) Iso15693InitReader();
+

        int answerLen=0;
        int answerLen=0;

-       uint8_t *answer = (((uint8_t *)BigBuf) + 3660);
-       if (recv!=NULL) memset(BigBuf + 3660, 0, 100);
+       uint8_t *answer = BigBuf_get_addr() + 3660;
+       if (recv != NULL) memset(answer, 0, 100);

 
 

-       if (init) Iso15693InitReader();
-       

        if (!speed) {
                // low speed (1 out of 256)
                CodeIso15693AsReader256(send, sendlen);
        if (!speed) {
                // low speed (1 out of 256)
                CodeIso15693AsReader256(send, sendlen);


@@ -893,10 +845,7 @@ int SendDataTag(uint8_t *send, int sendlen, int init, int speed, uint8_t **recv)
                *recv=answer;
        }
 
                *recv=answer;
        }
 

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

        
        return answerLen;
 }
        
        return answerLen;
 }


@@ -982,17 +931,13 @@ void SetDebugIso15693(uint32_t debug) {
 // Simulate an ISO15693 reader, perform anti-collision and then attempt to read a sector
 // all demodulation performed in arm rather than host. - greg
 //-----------------------------------------------------------------------------
 // Simulate an ISO15693 reader, perform anti-collision and then attempt to read a sector
 // all demodulation performed in arm rather than host. - greg
 //-----------------------------------------------------------------------------

-void ReaderIso15693(uint32_t parameter )
+void ReaderIso15693(uint32_t parameter)

 {
        LED_A_ON();
        LED_B_ON();
        LED_C_OFF();
        LED_D_OFF();
 
 {
        LED_A_ON();
        LED_B_ON();
        LED_C_OFF();
        LED_D_OFF();
 

-       uint8_t *answer1 = (((uint8_t *)BigBuf) + 3660); //
-       uint8_t *answer2 = (((uint8_t *)BigBuf) + 3760);
-       uint8_t *answer3 = (((uint8_t *)BigBuf) + 3860);
-

        int answerLen1 = 0;
        int answerLen2 = 0;
        int answerLen3 = 0;
        int answerLen1 = 0;
        int answerLen2 = 0;
        int answerLen3 = 0;


@@ -1003,20 +948,22 @@ void ReaderIso15693(uint32_t parameter )
        int elapsed = 0;
        uint8_t TagUID[8] = {0x00};
 
        int elapsed = 0;
        uint8_t TagUID[8] = {0x00};
 

-        
-       // Blank arrays
-       memset(BigBuf + 3660, 0x00, 300);
-

        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 

+       uint8_t *answer1 = BigBuf_get_addr() + 3660;
+       uint8_t *answer2 = BigBuf_get_addr() + 3760;
+       uint8_t *answer3 = BigBuf_get_addr() + 3860;
+       // Blank arrays
+       memset(answer1, 0x00, 300);
+

        SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
        // Setup SSC
        FpgaSetupSsc();
 
        // Start from off (no field generated)
        SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
        // Setup SSC
        FpgaSetupSsc();
 
        // Start from off (no field generated)

-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(200);
-       
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       SpinDelay(200);
+

        // Give the tags time to energize
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        SpinDelay(200);
        // Give the tags time to energize
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        SpinDelay(200);


@@ -1055,7 +1002,7 @@ void ReaderIso15693(uint32_t parameter )
        Dbhexdump(answerLen1,answer1,true);
 
        // UID is reverse
        Dbhexdump(answerLen1,answer1,true);
 
        // UID is reverse

-       if (answerLen1 >= 12) 
+       if (answerLen1>=12) 

                Dbprintf("UID = %02hX%02hX%02hX%02hX%02hX%02hX%02hX%02hX",
                        TagUID[7],TagUID[6],TagUID[5],TagUID[4],
                        TagUID[3],TagUID[2],TagUID[1],TagUID[0]);
                Dbprintf("UID = %02hX%02hX%02hX%02hX%02hX%02hX%02hX%02hX",
                        TagUID[7],TagUID[6],TagUID[5],TagUID[4],
                        TagUID[3],TagUID[2],TagUID[1],TagUID[0]);


@@ -1069,14 +1016,14 @@ void ReaderIso15693(uint32_t parameter )
        DbdecodeIso15693Answer(answerLen3,answer3);
        Dbhexdump(answerLen3,answer3,true);
 
        DbdecodeIso15693Answer(answerLen3,answer3);
        Dbhexdump(answerLen3,answer3,true);
 

-       // read all pages
-       if (answerLen1 >= 12 && DEBUG) {
+       // read all pages
+       if (answerLen1>=12 && DEBUG) {

                i=0;                    
                i=0;                    

-               while (i < 32) {  // sanity check, assume max 32 pages
+               while (i<32) {  // sanity check, assume max 32 pages

                        BuildReadBlockRequest(TagUID,i);
                        BuildReadBlockRequest(TagUID,i);

-                       TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);  
-                       answerLen2 = GetIso15693AnswerFromTag(answer2, 100, &samples, &elapsed);
-                       if (answerLen2 > 0) {
+             TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);  
+         answerLen2 = GetIso15693AnswerFromTag(answer2, 100, &samples, &elapsed);
+                       if (answerLen2>0) {

                                Dbprintf("READ SINGLE BLOCK %d returned %d octets:",i,answerLen2);
                                DbdecodeIso15693Answer(answerLen2,answer2);
                                Dbhexdump(answerLen2,answer2,true);
                                Dbprintf("READ SINGLE BLOCK %d returned %d octets:",i,answerLen2);
                                DbdecodeIso15693Answer(answerLen2,answer2);
                                Dbhexdump(answerLen2,answer2,true);


@@ -1101,25 +1048,23 @@ void SimTagIso15693(uint32_t parameter, uint8_t *uid)
        LED_C_OFF();
        LED_D_OFF();
 
        LED_C_OFF();
        LED_D_OFF();
 

-       uint8_t *buf = (((uint8_t *)BigBuf) + 3660); //
-       

        int answerLen1 = 0;
        int samples = 0;
        int tsamples = 0;
        int wait = 0;
        int elapsed = 0;
        int answerLen1 = 0;
        int samples = 0;
        int tsamples = 0;
        int wait = 0;
        int elapsed = 0;

-       
-       memset(buf, 0x00, 100);
-       
+

        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 

-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+       uint8_t *buf = BigBuf_get_addr() + 3660;
+       memset(buf, 0x00, 100);

 
 

+       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);

        FpgaSetupSsc();
 
        // Start from off (no field generated)
     FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        FpgaSetupSsc();
 
        // Start from off (no field generated)
     FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);

-    SpinDelay(200);
+       SpinDelay(200);

 
        LED_A_OFF();
        LED_B_OFF();
 
        LED_A_OFF();
        LED_B_OFF();


@@ -1136,7 +1081,7 @@ void SimTagIso15693(uint32_t parameter, uint8_t *uid)
                
                BuildInventoryResponse(uid);
        
                
                BuildInventoryResponse(uid);
        

-               TransmitTo15693Reader(ToSend, ToSendMax, &tsamples, &wait);
+               TransmitTo15693Reader(ToSend,ToSendMax, &tsamples, &wait);

        }
 
        Dbprintf("%d octets read from reader command: %x %x %x %x %x %x %x %x %x", answerLen1,
        }
 
        Dbprintf("%d octets read from reader command: %x %x %x %x %x %x %x %x %x", answerLen1,


@@ -1203,7 +1148,7 @@ void BruteforceIso15693Afi(uint32_t speed)
 void DirectTag15693Command(uint32_t datalen,uint32_t speed, uint32_t recv, uint8_t data[]) {
 
        int recvlen=0;
 void DirectTag15693Command(uint32_t datalen,uint32_t speed, uint32_t recv, uint8_t data[]) {
 
        int recvlen=0;

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

 //     UsbCommand n;
        
        if (DEBUG) {
 //     UsbCommand n;
        
        if (DEBUG) {