ADD: added triplesided UID to "hf mf sniff"

[proxmark3-svn] / armsrc / iso15693.c

diff --git a/armsrc/iso15693.c b/armsrc/iso15693.c
index e65e7958e6598ec1410d028feb03dab689cb03c7..a6ad58ae72d8928f199df80b7f641d46e5e2c8dd 100644 (file)
--- a/armsrc/iso15693.c
+++ b/armsrc/iso15693.c
@@ -223,7 +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;
-
+       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; }
@@ -231,10 +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!
-//            c++;
+//            ++c;
 //        }
 //        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();
@@ -244,13 +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];
-            c++;
-            if(c >= len) {
-                break;
-            }
+            if( ++c >= len) break;
         }
         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();
@@ -264,19 +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;
+       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];
-            c++;
-            if(c >= len) {
-                break;
-            }
+            if( ++c >= len) break;
         }
         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();
@@ -569,13 +564,14 @@ static void BuildIdentifyRequest(void);
 //-----------------------------------------------------------------------------
 void AcquireRawAdcSamplesIso15693(void)
 {
-       uint8_t *dest = BigBuf_get_addr();
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 
        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);
@@ -592,13 +588,10 @@ void AcquireRawAdcSamplesIso15693(void)
        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)) {
-                       volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+                       r = AT91C_BASE_SSC->SSC_RHR;
                        (void)r;
                }
                WDT_HIT();
@@ -609,9 +602,9 @@ void AcquireRawAdcSamplesIso15693(void)
        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;
-               }
+               
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
                        int8_t b;
                        b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
@@ -621,13 +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) {
-                               int8_t r = ABS(b) + ABS(prev);
-
-                               dest[c++] = (uint8_t)r;
+                               
+                               dest[c++] = (uint8_t)(ABS(b) + ABS(prev));
 
-                               if(c >= 2000) {
-                                       break;
-                               }
+                               if(c >= 2000) break;
+                               
                        } else {
                                prev = b;
                        }