FIX: the read counter in "hf 14a sim" (for ntag/ev) should work better now. Instea...

[proxmark3-svn] / armsrc / lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 4a9e07b13f5864d8dbc9605755688e211e9320a1..70b4010bbf08a607379c636a80b66bda03511786 100644 (file)
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -839,7 +839,7 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
                size = 50*128*2; //big enough to catch 2 sequences of largest format
                idx = AWIDdemodFSK(dest, &size);
                
-               if (idx>0 && size==96){
+               if (idx<=0 || size!=96) continue;
                // Index map
                // 0            10            20            30              40            50              60
                // |            |             |             |               |             |               |
@@ -859,6 +859,7 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
                uint32_t rawHi2 = bytebits_to_byte(dest+idx,32);
 
                size = removeParity(dest, idx+8, 4, 1, 88);
+               if (size != 66) continue;
                // ok valid card found!
 
                // Index map
@@ -900,7 +901,6 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
                                return;
                        }
                        // reset
-               }
                idx = 0;
                WDT_HIT();
        }
@@ -1065,7 +1065,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
 #define WRITE_GAP 20*8 // was 160 // SPEC:  1*8 to 20*8 - typ 10*8 (or 10fc)
 #define WRITE_0   16*8 // was 144 // SPEC: 16*8 to 32*8 - typ 24*8 (or 24fc)
 #define WRITE_1   50*8 // was 400 // SPEC: 48*8 to 64*8 - typ 56*8 (or 56fc)  432 for T55x7; 448 for E5550
-#define READ_GAP  52*8 
+#define READ_GAP  15*8 
 
 //  VALUES TAKEN FROM EM4x function: SendForward
 //  START_GAP = 440;       (55*8) cycles at 125Khz (8us = 1cycle)
@@ -1183,7 +1183,7 @@ void T55xxWriteBlock(uint32_t Data, uint8_t Block, uint32_t Pwd, uint8_t arg) {
        cmd_send(CMD_ACK,0,0,0,0,0);
 }
 
-// Read one card block in page 0
+// Read one card block in page [page]
 void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
        LED_A_ON();
        bool PwdMode = arg0 & 0x1;
@@ -1267,7 +1267,6 @@ void WriteT55xx(uint32_t *blockdata, uint8_t startblock, uint8_t numblocks) {
 // Copy HID id to card and setup block 0 config
 void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) {
        uint32_t data[] = {0,0,0,0,0,0,0};
-       //int data1=0, data2=0, data3=0, data4=0, data5=0, data6=0; //up to six blocks for long format
        uint8_t last_block = 0;
 
        if (longFMT){
@@ -1357,6 +1356,15 @@ void CopyIndala224toT55x7(uint32_t uid1, uint32_t uid2, uint32_t uid3, uint32_t
        //      T5567WriteBlock(0x603E10E2,0);
        DbpString("DONE!");
 }
+// clone viking tag to T55xx
+void CopyVikingtoT55xx(uint32_t block1, uint32_t block2, uint8_t Q5) {
+       uint32_t data[] = {T55x7_BITRATE_RF_32 | T55x7_MODULATION_MANCHESTER | (2 << T55x7_MAXBLOCK_SHIFT), block1, block2};
+       if (Q5) data[0] = (32 << T5555_BITRATE_SHIFT) | T5555_MODULATION_MANCHESTER | 2 << T5555_MAXBLOCK_SHIFT;
+       // Program the data blocks for supplied ID and the block 0 config
+       WriteT55xx(data, 0, 3);
+       LED_D_OFF();
+       cmd_send(CMD_ACK,0,0,0,0,0);
+}
 
 // Define 9bit header for EM410x tags
 #define EM410X_HEADER          0x1FF
@@ -1463,6 +1471,15 @@ uint8_t * fwd_write_ptr; //forwardlink bit pointer
 // prepares command bits
 // see EM4469 spec
 //====================================================================
+//--------------------------------------------------------------------
+//  VALUES TAKEN FROM EM4x function: SendForward
+//  START_GAP = 440;       (55*8) cycles at 125Khz (8us = 1cycle)
+//  WRITE_GAP = 128;       (16*8)
+//  WRITE_1   = 256 32*8;  (32*8) 
+
+//  These timings work for 4469/4269/4305 (with the 55*8 above)
+//  WRITE_0 = 23*8 , 9*8  SpinDelayUs(23*8); 
+
 uint8_t Prepare_Cmd( uint8_t cmd ) {
 
        *forward_ptr++ = 0; //start bit
@@ -1648,12 +1665,3 @@ void EM4xWriteWord(uint32_t Data, uint8_t Address, uint32_t Pwd, uint8_t PwdMode
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
        LED_D_OFF();
 }
-
-void CopyViKingtoT55x7(uint32_t block1, uint32_t block2) {
-
-       uint32_t data[] = {T55x7_BITRATE_RF_32 | T55x7_MODULATION_MANCHESTER | (2 << T55x7_MAXBLOCK_SHIFT), block1, block2};
-       // Program the data blocks for supplied ID and the block 0 config
-       WriteT55xx(data, 0, 3);
-       LED_D_OFF();
-}
-