Merge pull request #143 from marshmellow42/master

[proxmark3-svn] / armsrc / lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index ffccff83c07c9fdd6f790f6f49a18f88472f914d..01b88178169c6fe6c992e27d6b420b24a0ee24d4 100644 (file)
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -1113,6 +1113,9 @@ void T55xxWriteBit(int bit) {
 // Send T5577 reset command then read stream (see if we can identify the start of the stream)
 void T55xxResetRead(void) {
        LED_A_ON();
+       //clear buffer now so it does not interfere with timing later
+       BigBuf_Clear_ext(false);
+
        // Set up FPGA, 125kHz
        LFSetupFPGAForADC(95, true);
 
@@ -1128,7 +1131,7 @@ void T55xxResetRead(void) {
        TurnReadLFOn(READ_GAP);
 
        // Acquisition
-       doT55x7Acquisition(39999);
+       doT55x7Acquisition(BigBuf_max_traceLen());
 
        // Turn the field off
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
@@ -1266,7 +1269,7 @@ void T55xxWakeUp(uint32_t Pwd){
 void WriteT55xx(uint32_t *blockdata, uint8_t startblock, uint8_t numblocks) {
        // write last block first and config block last (if included)
        for (uint8_t i = numblocks+startblock; i > startblock; i--) {
-               Dbprintf("write- Blk: %d, d:%08X",i-1,blockdata[i-1]);
+               //Dbprintf("write- Blk: %d, d:%08X",i-1,blockdata[i-1]);
                T55xxWriteBlockExt(blockdata[i-1],i-1,0,0);
        }
 }
@@ -1309,6 +1312,9 @@ void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) {
        // load chip config block
        data[0] = T55x7_BITRATE_RF_50 | T55x7_MODULATION_FSK2a | last_block << T55x7_MAXBLOCK_SHIFT;
 
+       //TODO add selection of chip for Q5 or T55x7
+       // data[0] = (((50-2)/2)<<T5555_BITRATE_SHIFT) | T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | last_block << T5555_MAXBLOCK_SHIFT;
+
        LED_D_ON();
        // Program the data blocks for supplied ID
        // and the block 0 for HID format
@@ -1319,8 +1325,10 @@ void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) {
        DbpString("DONE!");
 }
 
-void CopyIOtoT55x7(uint32_t hi, uint32_t lo, uint8_t longFMT) {
+void CopyIOtoT55x7(uint32_t hi, uint32_t lo) {
        uint32_t data[] = {T55x7_BITRATE_RF_64 | T55x7_MODULATION_FSK2a | (2 << T55x7_MAXBLOCK_SHIFT), hi, lo};
+       //TODO add selection of chip for Q5 or T55x7
+       // data[0] = (((64-2)/2)<<T5555_BITRATE_SHIFT) | T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | 2 << T5555_MAXBLOCK_SHIFT;
 
        LED_D_ON();
        // Program the data blocks for supplied ID
@@ -1337,6 +1345,9 @@ void CopyIndala64toT55x7(uint32_t hi, uint32_t lo) {
        //Program the 2 data blocks for supplied 64bit UID
        // and the Config for Indala 64 format (RF/32;PSK1 with RF/2;Maxblock=2)
        uint32_t data[] = { T55x7_BITRATE_RF_32 | T55x7_MODULATION_PSK1 | (2 << T55x7_MAXBLOCK_SHIFT), hi, lo};
+       //TODO add selection of chip for Q5 or T55x7
+       // data[0] = (((32-2)/2)<<T5555_BITRATE_SHIFT) | T5555_MODULATION_PSK1 | 2 << T5555_MAXBLOCK_SHIFT;
+
        WriteT55xx(data, 0, 3);
        //Alternative config for Indala (Extended mode;RF/32;PSK1 with RF/2;Maxblock=2;Inverse data)
        //      T5567WriteBlock(0x603E1042,0);
@@ -1349,6 +1360,8 @@ void CopyIndala224toT55x7(uint32_t uid1, uint32_t uid2, uint32_t uid3, uint32_t
        // and the block 0 for Indala224 format 
        //Config for Indala (RF/32;PSK1 with RF/2;Maxblock=7)
        data[0] = T55x7_BITRATE_RF_32 | T55x7_MODULATION_PSK1 | (7 << T55x7_MAXBLOCK_SHIFT);
+       //TODO add selection of chip for Q5 or T55x7
+       // data[0] = (((32-2)/2)<<T5555_BITRATE_SHIFT) | T5555_MODULATION_PSK1 | 7 << T5555_MAXBLOCK_SHIFT;
        WriteT55xx(data, 0, 8);
        //Alternative config for Indala (Extended mode;RF/32;PSK1 with RF/2;Maxblock=7;Inverse data)
        //      T5567WriteBlock(0x603E10E2,0);
@@ -1420,19 +1433,20 @@ void WriteEM410x(uint32_t card, uint32_t id_hi, uint32_t id_lo) {
 
        // Write EM410x ID
        uint32_t data[] = {0, id>>32, id & 0xFFFFFFFF};
-       if (card) {
-               clock = (card & 0xFF00) >> 8;
-               clock = (clock == 0) ? 64 : clock;
-               Dbprintf("Clock rate: %d", clock);
-               clock = GetT55xxClockBit(clock);
+
+       clock = (card & 0xFF00) >> 8;
+       clock = (clock == 0) ? 64 : clock;
+       Dbprintf("Clock rate: %d", clock);
+       if (card & 0xFF) { //t55x7
+               clock = GetT55xxClockBit(clock);                        
                if (clock == 0) {
                        Dbprintf("Invalid clock rate: %d", clock);
                        return;
                }
-
                data[0] = clock | T55x7_MODULATION_MANCHESTER | (2 << T55x7_MAXBLOCK_SHIFT);
-       } else {
-               data[0] = (0x1F << T5555_BITRATE_SHIFT) | T5555_MODULATION_MANCHESTER | (2 << T5555_MAXBLOCK_SHIFT);
+       } else { //t5555 (Q5)
+               clock = (clock-2)>>1;  //n = (RF-2)/2
+               data[0] = (clock << T5555_BITRATE_SHIFT) | T5555_MODULATION_MANCHESTER | (2 << T5555_MAXBLOCK_SHIFT);
        }
 
        WriteT55xx(data, 0, 3);