X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/fb0c84c3df8bb19bcefb5d2124d61ff2ac3d0af7..e396001c47364fd52177960ef3b9ca3bef7adc3f:/armsrc/lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 780af199..e34eab35 100644
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -394,8 +394,8 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
     AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;
     AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_CLK;
 
- #define SHORT_COIL()	LOW(GPIO_SSC_DOUT)
- #define OPEN_COIL()		HIGH(GPIO_SSC_DOUT)
+#define SHORT_COIL()	LOW(GPIO_SSC_DOUT)
+#define OPEN_COIL()		HIGH(GPIO_SSC_DOUT)
 
     i = 0;
     for(;;) {
@@ -417,7 +417,7 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
 
         if (ledcontrol)
             LED_D_OFF();
-        //wait for next sample time
+
         while(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK) {
             if(BUTTON_PRESS()) {
                 DbpString("Stopped");
@@ -442,9 +442,8 @@ void SimulateTagLowFrequencyBidir(int divisor, int t0)
 {
 }
 
-// compose fc/8 fc/10 waveform (FSK2)
-static void fc(int c, int *n)
-{
+// compose fc/8 fc/10 waveform
+static void fc(int c, int *n) {
     uint8_t *dest = BigBuf_get_addr();
     int idx;
 
@@ -452,21 +451,20 @@ static void fc(int c, int *n)
     if(c==0) {
         dest[((*n)++)]=1;
         dest[((*n)++)]=1;
-        dest[((*n)++)]=1;
-        dest[((*n)++)]=1;
+        dest[((*n)++)]=0;
+        dest[((*n)++)]=0;
         dest[((*n)++)]=0;
         dest[((*n)++)]=0;
         dest[((*n)++)]=0;
         dest[((*n)++)]=0;
     }
-  
     //	an fc/8  encoded bit is a bit pattern of  11000000  x6 = 48 samples
     if(c==8) {
         for (idx=0; idx<6; idx++) {
             dest[((*n)++)]=1;
             dest[((*n)++)]=1;
-            dest[((*n)++)]=1;
-            dest[((*n)++)]=1;
+            dest[((*n)++)]=0;
+            dest[((*n)++)]=0;
             dest[((*n)++)]=0;
             dest[((*n)++)]=0;
             dest[((*n)++)]=0;
@@ -477,8 +475,6 @@ static void fc(int c, int *n)
     //	an fc/10 encoded bit is a bit pattern of 1110000000 x5 = 50 samples
     if(c==10) {
         for (idx=0; idx<5; idx++) {
-            dest[((*n)++)]=1;
-            dest[((*n)++)]=1;
             dest[((*n)++)]=1;
             dest[((*n)++)]=1;
             dest[((*n)++)]=1;
@@ -487,37 +483,8 @@ static void fc(int c, int *n)
             dest[((*n)++)]=0;
             dest[((*n)++)]=0;
             dest[((*n)++)]=0;
-        }
-    }
-}
-// compose fc/X fc/Y waveform (FSKx)
-static void fcAll(uint8_t c, int *n, uint8_t clock) 
-{
-    uint8_t *dest = BigBuf_get_addr();
-    uint8_t idx;
-    uint8_t fcCnt;
-    // c = count of field clock for this bit
-
-    int mod = clock % c;
-    // loop through clock - step field clock
-    for (idx=0; idx < (uint8_t) clock/c; idx++){
-        // loop through field clock length - put 1/2 FC length 1's and 1/2 0's per field clock wave (to create the wave)
-        for (fcCnt=0; fcCnt < c; fcCnt++){
-            if (fcCnt < c/2){
-                dest[((*n)++)]=1;
-            } else {
-                dest[((*n)++)]=0;    
-            }
-        }
-    }
-    Dbprintf("mod: %d",mod);
-    if (mod>0){ //for FC counts that don't add up to a full clock cycle padd with extra wave
-        for (idx=0; idx < mod; idx++){
-            if (idx < mod/2) {
-                dest[((*n)++)]=1;
-            } else {
-                dest[((*n)++)]=0;
-            }
+            dest[((*n)++)]=0;
+            dest[((*n)++)]=0;
         }
     }
 }
@@ -578,114 +545,6 @@ void CmdHIDsimTAG(int hi, int lo, int ledcontrol)
         LED_A_OFF();
 }
 
-// prepare a waveform pattern in the buffer based on the ID given then
-// simulate a FSK tag until the button is pressed
-// arg1 contains fcHigh and fcLow, arg2 contains invert and clock
-void CmdFSKsimTAG(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream)
-{
-    int ledcontrol=1;
-    int n=0, i=0;
-    uint8_t fcHigh = arg1 >> 8;
-    uint8_t fcLow = arg1 & 0xFF;
-    //spacer bit
-    uint8_t clk = arg2 & 0xFF;
-    uint8_t invert = (arg2 >> 8) & 1;
-    //fcAll(0, &n, clk);
-    
-    WDT_HIT();
-    for (i=0; i<size; i++){
-        //if ((i%4==3) fcAll(0,&n));
-        if (BitStream[i] == invert){
-            fcAll(fcLow, &n, clk);
-        } else {
-            fcAll(fcHigh, &n, clk);
-        }
-    }
-    Dbprintf("Simulating with fcHigh: %d, fcLow: %d, clk: %d, invert: %d, n: %d",fcHigh, fcLow, clk, invert, n);
-    //Dbprintf("First 64:");
-    //uint8_t *dest = BigBuf_get_addr();
-    //i=0;
-    //Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
-    //i+=16;
-    //Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
-    //i+=16;
-    //Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
-    //i+=16;
-    //Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
-           
-    if (ledcontrol)
-        LED_A_ON();
-    SimulateTagLowFrequency(n, 0, ledcontrol);
-
-    if (ledcontrol)
-        LED_A_OFF();
-}
-
-// compose ask waveform for one bit(ASK)
-static void askSimBit(uint8_t c, int *n, uint8_t clock, uint8_t manchester) 
-{
-    uint8_t *dest = BigBuf_get_addr();
-    uint8_t idx;
-    // c = current bit 1 or 0
-    int i = 0;
-    // for when we want a separator
-    if (c==2) { //separator
-        for (i=0; i<clock/2; i++){
-            dest[((*n)++)]=0;
-        }
-    } else {
-        if (manchester){
-            for (idx=0; idx < (uint8_t) clock/2; idx++){
-                dest[((*n)++)]=c;    
-            }
-            for (idx=0; idx < (uint8_t) clock/2; idx++){
-                dest[((*n)++)]=c^1;    
-            }
-        } else {
-            for (idx=0; idx < (uint8_t) clock; idx++){
-                dest[((*n)++)]=c;    
-            }
-        }        
-    }
-}
-
-// args clock, ask/man or askraw, invert, transmission separator
-void CmdASKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream)
-{
-    int ledcontrol = 1;
-    int n=0, i=0;
-    uint8_t clk = (arg1 >> 8) & 0xFF;
-    uint8_t manchester = arg1 & 1;
-    uint8_t separator = arg2 & 1;
-    uint8_t invert = (arg2 >> 8) & 1;
-    WDT_HIT();
-    for (i=0; i<size; i++){
-        askSimBit(BitStream[i]^invert, &n, clk, manchester);
-    }
-    if (separator==1) Dbprintf("sorry but separator option not yet available"); //askSimBit(2, &n, clk, manchester);
-
-    Dbprintf("Simulating with clk: %d, invert: %d, manchester: %d, separator: %d, n: %d",clk, invert, manchester, separator, n);
-    //DEBUG
-    //Dbprintf("First 64:");
-    //uint8_t *dest = BigBuf_get_addr();
-    //i=0;
-    //Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
-    //i+=16;
-    //Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
-    //i+=16;
-    //Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
-    //i+=16;
-    //Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
-
-
-    if (ledcontrol)
-        LED_A_ON();
-    SimulateTagLowFrequency(n, 0, ledcontrol);
-
-    if (ledcontrol)
-        LED_A_OFF();
-}
-
 // loop to get raw HID waveform then FSK demodulate the TAG ID from it
 void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
 {
@@ -1680,7 +1539,7 @@ void ReadPCF7931() {
         tries++;
         if (BUTTON_PRESS()) return;
     } while (num_blocks != max_blocks);
- end:
+end:
     Dbprintf("-----------------------------------------");
     Dbprintf("Memory content:");
     Dbprintf("-----------------------------------------");