]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/iso15693.c
CHG: adjusted two arrays in scripting.c to mirror the added models in reveng 1.4.0
[proxmark3-svn] / armsrc / iso15693.c
index ec8120b9d810a9f5844ef1275b62cb3ae3f5c606..e65e7958e6598ec1410d028feb03dab689cb03c7 100644 (file)
@@ -295,21 +295,19 @@ 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)
 {
-       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;
 
-// NOW READ RESPONSE
        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(;;) {
-               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY))
                        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;
@@ -319,18 +317,7 @@ 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) {
-                               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;
 
@@ -437,29 +424,26 @@ 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
 
-///    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)
 {
-       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;
 
-// NOW READ RESPONSE
        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(;;) {
-               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+               if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY))
                        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;
 
@@ -468,18 +452,7 @@ static int GetIso15693AnswerFromSniff(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) {
-                               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;
 
@@ -596,7 +569,7 @@ static void BuildIdentifyRequest(void);
 //-----------------------------------------------------------------------------
 void AcquireRawAdcSamplesIso15693(void)
 {
-       uint8_t *dest = (uint8_t *)BigBuf;
+       uint8_t *dest = BigBuf_get_addr();
 
        int c = 0;
        int getNext = 0;
@@ -648,18 +621,7 @@ void AcquireRawAdcSamplesIso15693(void)
                        // 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;
 
@@ -678,7 +640,7 @@ void AcquireRawAdcSamplesIso15693(void)
 
 void RecordRawAdcSamplesIso15693(void)
 {
-       uint8_t *dest =  (uint8_t *)BigBuf;
+       uint8_t *dest = BigBuf_get_addr();
 
        int c = 0;
        int getNext = 0;
@@ -689,8 +651,8 @@ void RecordRawAdcSamplesIso15693(void)
        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);
 
@@ -713,18 +675,7 @@ void RecordRawAdcSamplesIso15693(void)
                        // every other is Q. We just want power, so abs(I) + abs(Q) is
                        // close to what we want.
                        if(getNext) {
-                               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;
 
@@ -877,12 +828,12 @@ int SendDataTag(uint8_t *send, int sendlen, int init, int speed, uint8_t **recv)
        LED_C_OFF();
        LED_D_OFF();
        
+       if (init) Iso15693InitReader();
+
        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);
@@ -903,10 +854,7 @@ int SendDataTag(uint8_t *send, int sendlen, int init, int speed, uint8_t **recv)
                *recv=answer;
        }
 
-       LED_A_OFF();
-       LED_B_OFF();
-       LED_C_OFF();
-       LED_D_OFF();
+       LEDsoff();
        
        return answerLen;
 }
@@ -999,10 +947,6 @@ void ReaderIso15693(uint32_t parameter)
        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;
@@ -1013,19 +957,21 @@ void ReaderIso15693(uint32_t parameter)
        int elapsed = 0;
        uint8_t TagUID[8] = {0x00};
 
+       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(BigBuf + 3660, 0x00, 300);
-
-       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+       memset(answer1, 0x00, 300);
 
        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);
@@ -1111,24 +1057,22 @@ void SimTagIso15693(uint32_t parameter, uint8_t *uid)
        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;
 
-       memset(buf, 0x00, 100);
-
        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);
+    FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        SpinDelay(200);
 
        LED_A_OFF();
@@ -1213,7 +1157,7 @@ void BruteforceIso15693Afi(uint32_t speed)
 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) {
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