Merge pull request #51 from marshmellow42/master

[proxmark3-svn] / armsrc / lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 201a52f20e05c3395fb9ac2b138ef8c6553b3c71..7b6fa97a71d51d73231d8251d8b9ff04b5c07be2 100644 (file)
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -26,7 +26,7 @@
 void DoAcquisition125k_internal(int trigger_threshold,bool silent)
 {
     uint8_t *dest = BigBuf_get_addr();
-    int n = BigBuf_max_trace_len();
+    int n = BigBuf_max_traceLen();
     int i;
 
     memset(dest, 0, n);
@@ -178,7 +178,7 @@ void ReadTItag(void)
  #define FREQHI 134200
 
     signed char *dest = (signed char *)BigBuf_get_addr();
-    uint16_t n = BigBuf_max_trace_len();
+    uint16_t n = BigBuf_max_traceLen();
     // 128 bit shift register [shift3:shift2:shift1:shift0]
     uint32_t shift3 = 0, shift2 = 0, shift1 = 0, shift0 = 0;
 
@@ -331,7 +331,7 @@ void AcquireTiType(void)
 
     // clear buffer
        uint32_t *BigBuf = (uint32_t *)BigBuf_get_addr();
-    memset(BigBuf,0,BigBuf_max_trace_len()/sizeof(uint32_t));
+    memset(BigBuf,0,BigBuf_max_traceLen()/sizeof(uint32_t));
 
     // Set up the synchronous serial port
     AT91C_BASE_PIOA->PIO_PDR = GPIO_SSC_DIN;
@@ -633,8 +633,8 @@ void CmdHIDsimTAG(int hi, int lo, int ledcontrol)
 void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
 {
     uint8_t *dest = BigBuf_get_addr();
-
-    size_t size=sizeof(BigBuf); 
+    const size_t sizeOfBigBuff = BigBuf_max_traceLen();
+    size_t size = 0; 
     uint32_t hi2=0, hi=0, lo=0;
     int idx=0;
     // Configure to go in 125Khz listen mode
@@ -647,10 +647,7 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
 
         DoAcquisition125k_internal(-1,true);
         // FSK demodulator
-               idx = HIDdemodFSK(dest, BigBuf_max_trace_len(), &hi2, &hi, &lo);
-        WDT_HIT();
-        size = sizeof(BigBuf);
-
+        size = sizeOfBigBuff;  //variable size will change after demod so re initialize it before use
                idx = HIDdemodFSK(dest, &size, &hi2, &hi, &lo);
         
                if (idx>0 && lo>0){
@@ -709,6 +706,8 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
             }
             if (findone){
                 if (ledcontrol)        LED_A_OFF();
+                *high = hi;
+                *low = lo;
                 return;
             }
             // reset
@@ -736,7 +735,7 @@ void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol)
         if (ledcontrol) LED_A_ON();
 
         DoAcquisition125k_internal(-1,true);
-        size  = BigBuf_max_trace_len();
+        size  = BigBuf_max_traceLen();
         //Dbprintf("DEBUG: Buffer got");
                //askdemod and manchester decode
                errCnt = askmandemod(dest, &size, &clk, &invert);
@@ -756,6 +755,8 @@ void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol)
             }
             if (findone){
                 if (ledcontrol)        LED_A_OFF();
+                *high=lo>>32;
+                *low=lo & 0xFFFFFFFF;
                 return;
             }
         } else{
@@ -789,7 +790,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
         DoAcquisition125k_internal(-1,true);
         //fskdemod and get start index
         WDT_HIT();
-        idx = IOdemodFSK(dest, BigBuf_max_trace_len());
+        idx = IOdemodFSK(dest, BigBuf_max_traceLen());
         if (idx>0){
             //valid tag found
 
@@ -822,6 +823,8 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
             if (findone){
                 if (ledcontrol)        LED_A_OFF();
                 //LED_A_OFF();
+                *high=code;
+                *low=code2;
                 return;
             }
             code=code2=0;
@@ -965,7 +968,7 @@ void T55xxReadBlock(uint32_t Block, uint32_t Pwd, uint8_t PwdMode)
     //int m=0, i=0; //enio adjustment 12/10/14
     uint32_t m=0, i=0;
     FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
-    m = BigBuf_max_trace_len();
+    m = BigBuf_max_traceLen();
     // Clear destination buffer before sending the command
     memset(dest, 128, m);
     // Connect the A/D to the peak-detected low-frequency path.
@@ -1030,7 +1033,7 @@ void T55xxReadTrace(void){
     int m=0, i=0;
 
     FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
-    m = BigBuf_max_trace_len();
+    m = BigBuf_max_traceLen();
     // Clear destination buffer before sending the command
     memset(dest, 128, m);
     // Connect the A/D to the peak-detected low-frequency path.
@@ -1381,7 +1384,7 @@ int DemodPCF7931(uint8_t **outBlocks) {
     uint8_t BitStream[256];
     uint8_t Blocks[8][16];
     uint8_t *GraphBuffer = BigBuf_get_addr();
-    int GraphTraceLen = BigBuf_max_trace_len();
+    int GraphTraceLen = BigBuf_max_traceLen();
     int i, j, lastval, bitidx, half_switch;
     int clock = 64;
     int tolerance = clock / 8;
@@ -1808,7 +1811,7 @@ void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) {
     fwd_bit_count = Prepare_Cmd( FWD_CMD_READ );
     fwd_bit_count += Prepare_Addr( Address );
 
-    m = BigBuf_max_trace_len();
+    m = BigBuf_max_traceLen();
     // Clear destination buffer before sending the command
     memset(dest, 128, m);
     // Connect the A/D to the peak-detected low-frequency path.