NEW lf simpsk

[proxmark3-svn] / armsrc / iso15693.c

diff --git a/armsrc/iso15693.c b/armsrc/iso15693.c
index 47364451b140ab869f3bbaf6c9f8d87dddca038b..94040a85796a36eb38b7e5976b2339123845234f 100644 (file)
--- a/armsrc/iso15693.c
+++ b/armsrc/iso15693.c
@@ -63,7 +63,7 @@
 #include "apps.h"
 #include "string.h"
 #include "iso15693tools.h"
 #include "apps.h"
 #include "string.h"
 #include "iso15693tools.h"

-
+#include "cmd.h"

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


@@ -263,13 +263,10 @@ 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)
 {
 //-----------------------------------------------------------------------------
 static void TransmitTo15693Reader(const uint8_t *cmd, int len, int *samples, int *wait)
 {

-    int c;
-
-//     FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX);
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR);        // No requirement to energise my coils
+    int c = 0;
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR|FPGA_HF_SIMULATOR_MODULATE_424K);

        if(*wait < 10) { *wait = 10; }
 
        if(*wait < 10) { *wait = 10; }
 

-    c = 0;

     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];


@@ -299,7 +296,7 @@ static void TransmitTo15693Reader(const uint8_t *cmd, int len, int *samples, int
 static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
 {
        int c = 0;
 static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
 {
        int c = 0;

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

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


@@ -449,7 +446,7 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
 static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
 {
        int c = 0;
 static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
 {
        int c = 0;

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

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


@@ -464,8 +461,7 @@ static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int
                        AT91C_BASE_SSC->SSC_THR = 0x43;
                }
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
                        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;
+                       int8_t b = (int8_t)AT91C_BASE_SSC->SSC_RHR;

 
                        // The samples are correlations against I and Q versions of the
                        // tone that the tag AM-modulates, so every other sample is I,
 
                        // The samples are correlations against I and Q versions of the
                        // tone that the tag AM-modulates, so every other sample is I,


@@ -600,12 +596,13 @@ static void BuildIdentifyRequest(void);
 //-----------------------------------------------------------------------------
 void AcquireRawAdcSamplesIso15693(void)
 {
 //-----------------------------------------------------------------------------
 void AcquireRawAdcSamplesIso15693(void)
 {

+       uint8_t *dest = BigBuf_get_addr();
+

        int c = 0;
        int c = 0;

-       uint8_t *dest = (uint8_t *)BigBuf;

        int getNext = 0;
        int getNext = 0;

-

        int8_t prev = 0;
 
        int8_t prev = 0;
 

+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);

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


@@ -681,12 +678,13 @@ void AcquireRawAdcSamplesIso15693(void)
 
 void RecordRawAdcSamplesIso15693(void)
 {
 
 void RecordRawAdcSamplesIso15693(void)
 {

+       uint8_t *dest = BigBuf_get_addr();
+

        int c = 0;
        int c = 0;

-       uint8_t *dest = (uint8_t *)BigBuf;

        int getNext = 0;
        int getNext = 0;

-

        int8_t prev = 0;
 
        int8_t prev = 0;
 

+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);

        // Setup SSC
        FpgaSetupSsc();
 
        // Setup SSC
        FpgaSetupSsc();
 


@@ -753,6 +751,7 @@ void Iso15693InitReader() {
        LED_C_OFF();
        LED_D_OFF();
        
        LED_C_OFF();
        LED_D_OFF();
        

+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);

        // Setup SSC
        // FpgaSetupSsc();
 
        // Setup SSC
        // FpgaSetupSsc();
 


@@ -833,24 +832,25 @@ static void BuildReadBlockRequest(uint8_t *uid, uint8_t blockNumber )
 }
 
 // Now the VICC>VCD responses when we are simulating a tag
 }
 
 // Now the VICC>VCD responses when we are simulating a tag

- static void BuildInventoryResponse(void)
+ static void BuildInventoryResponse( uint8_t *uid)

 {
        uint8_t cmd[12];
 
        uint16_t crc;
        // one sub-carrier, inventory, 1 slot, fast rate
        // AFI is at bit 5 (1<<4) when doing an INVENTORY
 {
        uint8_t cmd[12];
 
        uint16_t crc;
        // one sub-carrier, inventory, 1 slot, fast rate
        // AFI is at bit 5 (1<<4) when doing an INVENTORY

-       cmd[0] = 0; //(1 << 2) | (1 << 5) | (1 << 1);
-       cmd[1] = 0;
+    //(1 << 2) | (1 << 5) | (1 << 1);
+       cmd[0] = 0; // 
+       cmd[1] = 0; // DSFID (data storage format identifier).  0x00 = not supported

        // 64-bit UID
        // 64-bit UID

-       cmd[2] = 0x32;
-       cmd[3]= 0x4b;
-       cmd[4] = 0x03;
-       cmd[5] = 0x01;
-       cmd[6] = 0x00;
-       cmd[7] = 0x10;
-       cmd[8] = 0x05;
-       cmd[9]= 0xe0;
+       cmd[2] = uid[7]; //0x32;
+       cmd[3] = uid[6]; //0x4b;
+       cmd[4] = uid[5]; //0x03;
+       cmd[5] = uid[4]; //0x01;
+       cmd[6] = uid[3]; //0x00;
+       cmd[7] = uid[2]; //0x10;
+       cmd[8] = uid[1]; //0x05;
+       cmd[9] = uid[0]; //0xe0;

        //Now the CRC
        crc = Crc(cmd, 10);
        cmd[10] = crc & 0xff;
        //Now the CRC
        crc = Crc(cmd, 10);
        cmd[10] = crc & 0xff;


@@ -878,8 +878,8 @@ int SendDataTag(uint8_t *send, int sendlen, int init, int speed, uint8_t **recv)
        LED_D_OFF();
        
        int answerLen=0;
        LED_D_OFF();
        
        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 (init) Iso15693InitReader();
        


@@ -999,22 +999,27 @@ void ReaderIso15693(uint32_t parameter)
        LED_C_OFF();
        LED_D_OFF();
 
        LED_C_OFF();
        LED_D_OFF();
 

-//DbpString(parameter);
+       uint8_t *answer1 = BigBuf_get_addr() + 3660;
+       uint8_t *answer2 = BigBuf_get_addr() + 3760;
+       uint8_t *answer3 = BigBuf_get_addr() + 3860;

 
 

-       //uint8_t *answer0 = (((uint8_t *)BigBuf) + 3560); // allow 100 bytes per reponse (way too much)
-       uint8_t *answer1 = (((uint8_t *)BigBuf) + 3660); //
-       uint8_t *answer2 = (((uint8_t *)BigBuf) + 3760);
-       uint8_t *answer3 = (((uint8_t *)BigBuf) + 3860);
-       //uint8_t *TagUID= (((uint8_t *)BigBuf) + 3960);                // where we hold the uid for hi15reader
-//     int answerLen0 = 0;

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

-       int i=0; // counter
+       int i = 0;
+       int samples = 0;
+       int tsamples = 0;
+       int wait = 0;
+       int elapsed = 0;
+       uint8_t TagUID[8] = {0x00};
+

 
        // Blank arrays
 
        // Blank arrays

-       memset(BigBuf + 3660, 0, 300);
+       memset(answer1, 0x00, 300);

 
 

+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+
+       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);

        // Setup SSC
        FpgaSetupSsc();
 
        // Setup SSC
        FpgaSetupSsc();
 


@@ -1022,9 +1027,6 @@ void ReaderIso15693(uint32_t parameter)
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        SpinDelay(200);
 
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        SpinDelay(200);
 

-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
-       FpgaSetupSsc();
-

        // 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);


@@ -1034,44 +1036,19 @@ void ReaderIso15693(uint32_t parameter)
        LED_C_OFF();
        LED_D_OFF();
 
        LED_C_OFF();
        LED_D_OFF();
 

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

        // FIRST WE RUN AN INVENTORY TO GET THE TAG UID
        // THIS MEANS WE CAN PRE-BUILD REQUESTS TO SAVE CPU TIME
        // FIRST WE RUN AN INVENTORY TO GET THE TAG UID
        // THIS MEANS WE CAN PRE-BUILD REQUESTS TO SAVE CPU TIME

-        uint8_t TagUID[8];             // where we hold the uid for hi15reader
-
-//     BuildIdentifyRequest();
-//     //TransmitTo15693Tag(ToSend,ToSendMax+3,&tsamples, &wait);
-//     TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);  // No longer ToSendMax+3
-//     // Now wait for a response
-//     responseLen0 = GetIso15693AnswerFromTag(receivedAnswer0, 100, &samples, &elapsed) ;
-//     if (responseLen0 >=12) // we should do a better check than this
-//     {
-//             // really we should check it is a valid mesg
-//             // but for now just grab what we think is the uid
-//             TagUID[0] = receivedAnswer0[2];
-//             TagUID[1] = receivedAnswer0[3];
-//             TagUID[2] = receivedAnswer0[4];
-//             TagUID[3] = receivedAnswer0[5];
-//             TagUID[4] = receivedAnswer0[6];
-//             TagUID[5] = receivedAnswer0[7];
-//             TagUID[6] = receivedAnswer0[8]; // IC Manufacturer code
-//     DbpIntegers(TagUID[6],TagUID[5],TagUID[4]);
-//}

 
        // Now send the IDENTIFY command
        BuildIdentifyRequest();
 
        // Now send the IDENTIFY command
        BuildIdentifyRequest();

-       //TransmitTo15693Tag(ToSend,ToSendMax+3,&tsamples, &wait);
-       TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);  // No longer ToSendMax+3
+       
+       TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);
+       

        // Now wait for a response
        answerLen1 = GetIso15693AnswerFromTag(answer1, 100, &samples, &elapsed) ;
 
        if (answerLen1 >=12) // we should do a better check than this
        {
        // Now wait for a response
        answerLen1 = GetIso15693AnswerFromTag(answer1, 100, &samples, &elapsed) ;
 
        if (answerLen1 >=12) // we should do a better check than this
        {

-

                TagUID[0] = answer1[2];
                TagUID[1] = answer1[3];
                TagUID[2] = answer1[4];
                TagUID[0] = answer1[2];
                TagUID[1] = answer1[3];
                TagUID[2] = answer1[4];


@@ -1081,45 +1058,27 @@ void ReaderIso15693(uint32_t parameter)
                TagUID[6] = answer1[8]; // IC Manufacturer code
                TagUID[7] = answer1[9]; // always E0
 
                TagUID[6] = answer1[8]; // IC Manufacturer code
                TagUID[7] = answer1[9]; // always E0
 

-               // Now send the SELECT command
-               // since the SELECT command is optional, we should not rely on it.
-////                           BuildSelectRequest(TagUID);
-//             TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);  // No longer ToSendMax+3
-               // Now wait for a response
-///            answerLen2 = GetIso15693AnswerFromTag(answer2, 100, &samples, &elapsed);
-
-               // Now send the MULTI READ command
-//             BuildArbitraryRequest(*TagUID,parameter);
-///            BuildArbitraryCustomRequest(TagUID,parameter);
-//             BuildReadBlockRequest(*TagUID,parameter);
-//             BuildSysInfoRequest(*TagUID);
-               //TransmitTo15693Tag(ToSend,ToSendMax+3,&tsamples, &wait);
-///            TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);  // No longer ToSendMax+3
-               // Now wait for a response
-///            answerLen3 = GetIso15693AnswerFromTag(answer3, 100, &samples, &elapsed) ;
-

        }
 
        Dbprintf("%d octets read from IDENTIFY request:", answerLen1);
        DbdecodeIso15693Answer(answerLen1,answer1);
        }
 
        Dbprintf("%d octets read from IDENTIFY request:", answerLen1);
        DbdecodeIso15693Answer(answerLen1,answer1);

-       Dbhexdump(answerLen1,answer1);
+       Dbhexdump(answerLen1,answer1,true);

 
        // UID is reverse
        if (answerLen1>=12) 
 
        // UID is reverse
        if (answerLen1>=12) 

-               //Dbprintf("UID = %*D",8,TagUID," ");
-               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]);

 
 
        Dbprintf("%d octets read from SELECT request:", answerLen2);
        DbdecodeIso15693Answer(answerLen2,answer2);
 
 
        Dbprintf("%d octets read from SELECT request:", answerLen2);
        DbdecodeIso15693Answer(answerLen2,answer2);

-       Dbhexdump(answerLen2,answer2);
+       Dbhexdump(answerLen2,answer2,true);

 
        Dbprintf("%d octets read from XXX request:", answerLen3);
        DbdecodeIso15693Answer(answerLen3,answer3);
 
        Dbprintf("%d octets read from XXX request:", answerLen3);
        DbdecodeIso15693Answer(answerLen3,answer3);

-       Dbhexdump(answerLen3,answer3);
+       Dbhexdump(answerLen3,answer3,true);

 
 

- 

        // read all pages
        if (answerLen1>=12 && DEBUG) {
                i=0;                    
        // read all pages
        if (answerLen1>=12 && DEBUG) {
                i=0;                    


@@ -1130,20 +1089,13 @@ void ReaderIso15693(uint32_t parameter)
                        if (answerLen2>0) {
                                Dbprintf("READ SINGLE BLOCK %d returned %d octets:",i,answerLen2);
                                DbdecodeIso15693Answer(answerLen2,answer2);
                        if (answerLen2>0) {
                                Dbprintf("READ SINGLE BLOCK %d returned %d octets:",i,answerLen2);
                                DbdecodeIso15693Answer(answerLen2,answer2);

-                               Dbhexdump(answerLen2,answer2);
+                               Dbhexdump(answerLen2,answer2,true);

                                if ( *((uint32_t*) answer2) == 0x07160101 ) break; // exit on NoPageErr 
                        } 
                        i++;
                } 
        }
 
                                if ( *((uint32_t*) answer2) == 0x07160101 ) break; // exit on NoPageErr 
                        } 
                        i++;
                } 
        }
 

-//     str2[0]=0;
-//     for(i = 0; i < responseLen3; i++) {
-//             itoa(str1,receivedAnswer3[i]);
-//             strncat(str2,str1,8);
-//     }
-//     DbpString(str2);
-

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


@@ -1152,31 +1104,31 @@ void ReaderIso15693(uint32_t parameter)
 
 // Simulate an ISO15693 TAG, perform anti-collision and then print any reader commands
 // all demodulation performed in arm rather than host. - greg
 
 // Simulate an ISO15693 TAG, perform anti-collision and then print any reader commands
 // all demodulation performed in arm rather than host. - greg

-void SimTagIso15693(uint32_t parameter)
+void SimTagIso15693(uint32_t parameter, uint8_t *uid)

 {
        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 *buf = BigBuf_get_addr() + 3660;
+       

        int answerLen1 = 0;
        int answerLen1 = 0;

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

 
 

-       // Blank arrays
-       memset(answer1, 0, 100);
-
-       // Setup SSC
-       FpgaSetupSsc();
+       memset(buf, 0x00, 100);

 
 

-       // Start from off (no field generated)
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(200);
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);

 
        SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
 
        SetAdcMuxFor(GPIO_MUXSEL_HIPKD);

+

        FpgaSetupSsc();
 
        FpgaSetupSsc();
 

-       // Give the tags time to energize
-//     FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);  // NO GOOD FOR SIM TAG!!!!
+       // Start from off (no field generated)
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);

        SpinDelay(200);
 
        LED_A_OFF();
        SpinDelay(200);
 
        LED_A_OFF();


@@ -1184,24 +1136,26 @@ void SimTagIso15693(uint32_t parameter)
        LED_C_ON();
        LED_D_OFF();
 
        LED_C_ON();
        LED_D_OFF();
 

-       int samples = 0;
-       int tsamples = 0;
-       int wait = 0;
-       int elapsed = 0;
-
-       answerLen1 = GetIso15693AnswerFromSniff(answer1, 100, &samples, &elapsed) ;
+       // Listen to reader
+       answerLen1 = GetIso15693AnswerFromSniff(buf, 100, &samples, &elapsed) ;

 
        if (answerLen1 >=1) // we should do a better check than this
        {
                // Build a suitable reponse to the reader INVENTORY cocmmand
 
        if (answerLen1 >=1) // we should do a better check than this
        {
                // Build a suitable reponse to the reader INVENTORY cocmmand

-               BuildInventoryResponse();
+               // not so obsvious, but in the call to BuildInventoryResponse,  the command is copied to the global ToSend buffer used below.
+               
+               BuildInventoryResponse(uid);
+       

                TransmitTo15693Reader(ToSend,ToSendMax, &tsamples, &wait);
        }
 
        Dbprintf("%d octets read from reader command: %x %x %x %x %x %x %x %x %x", answerLen1,
                TransmitTo15693Reader(ToSend,ToSendMax, &tsamples, &wait);
        }
 
        Dbprintf("%d octets read from reader command: %x %x %x %x %x %x %x %x %x", answerLen1,

-               answer1[0], answer1[1], answer1[2],
-               answer1[3], answer1[4], answer1[5],
-               answer1[6], answer1[7], answer1[8]);
+               buf[0], buf[1], buf[2], buf[3],
+               buf[4], buf[5], buf[6], buf[7], buf[8]);
+
+       Dbprintf("Simulationg uid: %x %x %x %x %x %x %x %x",
+               uid[0], uid[1], uid[2], uid[3],
+               uid[4], uid[5], uid[6], uid[7]);

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


@@ -1259,28 +1213,25 @@ 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;
-       UsbCommand n;
+       uint8_t *recvbuf = BigBuf_get_addr();
+//     UsbCommand n;

        
        if (DEBUG) {
                Dbprintf("SEND");
        
        if (DEBUG) {
                Dbprintf("SEND");

-               Dbhexdump(datalen,data);        
+               Dbhexdump(datalen,data,true);

        }
        
        recvlen=SendDataTag(data,datalen,1,speed,(recv?&recvbuf:NULL));
 
        if (recv) { 
        }
        
        recvlen=SendDataTag(data,datalen,1,speed,(recv?&recvbuf:NULL));
 
        if (recv) { 

-               n.cmd=/* CMD_ISO_15693_COMMAND_DONE */ CMD_ACK;
-               n.arg[0]=recvlen>48?48:recvlen;
-               memcpy(n.d.asBytes, recvbuf, 48);

                LED_B_ON();
                LED_B_ON();

-               UsbSendPacket((uint8_t *)&n, sizeof(n));
+    cmd_send(CMD_ACK,recvlen>48?48:recvlen,0,0,recvbuf,48);

                LED_B_OFF();    
                
                if (DEBUG) {
                        Dbprintf("RECV");
                        DbdecodeIso15693Answer(recvlen,recvbuf); 
                LED_B_OFF();    
                
                if (DEBUG) {
                        Dbprintf("RECV");
                        DbdecodeIso15693Answer(recvlen,recvbuf); 

-                       Dbhexdump(recvlen,recvbuf); 
+                       Dbhexdump(recvlen,recvbuf,true);

                }
        }
 
                }
        }