]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/lfops.c
add: added @AdamLaurie 's iclass raw keys changes
[proxmark3-svn] / armsrc / lfops.c
index 1d452fd3f8fbdf2920e4d1de480c18756dc89101..22173059fda70b2c5bf54820c6d513f6508c8c04 100644 (file)
@@ -16,8 +16,8 @@
 #include "string.h"
 #include "lfdemod.h"
 #include "lfsampling.h"
-#include "usb_cdc.h"
-
+#include "protocols.h"
+#include "usb_cdc.h" //test
 
 /**
  * Function to do a modulation and then get samples.
@@ -202,8 +202,7 @@ void ReadTItag(void)
                crc = update_crc16(crc, (shift1>>16)&0xff);
                crc = update_crc16(crc, (shift1>>24)&0xff);
 
-               Dbprintf("Info: Tag data: %x%08x, crc=%x",
-                                (unsigned int)shift1, (unsigned int)shift0, (unsigned int)shift2 & 0xFFFF);
+               Dbprintf("Info: Tag data: %x%08x, crc=%x", (unsigned int)shift1, (unsigned int)shift0, (unsigned int)shift2 & 0xFFFF);
                if (crc != (shift2&0xffff)) {
                        Dbprintf("Error: CRC mismatch, expected %x", (unsigned int)crc);
                } else {
@@ -349,7 +348,7 @@ void WriteTItag(uint32_t idhi, uint32_t idlo, uint16_t crc)
        // start by writing 0xBB (keyword) and 0xEB (password)
        // then write 80 bits of data (or 64 bit data + 16 bit crc if you prefer)
        // finally end with 0x0300 (write frame)
-       // all data is sent lsb firts
+       // all data is sent lsb first
        // finish with 15ms programming time
 
        // modulate antenna
@@ -401,7 +400,7 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
        for(;;) {
                //wait until SSC_CLK goes HIGH
                while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) {
-                       if(BUTTON_PRESS() || (usb_poll_validate_length() )) {
+                       if(BUTTON_PRESS() || !usb_poll_validate_length() ) {
                                DbpString("Stopped");
                                return;
                        }
@@ -418,7 +417,7 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
                
                //wait until SSC_CLK goes LOW
                while(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK) {
-                       if(BUTTON_PRESS()) {
+                       if( BUTTON_PRESS() || !usb_poll_validate_length() ) {
                                DbpString("Stopped");
                                return;
                        }
@@ -595,20 +594,10 @@ void CmdFSKsimTAG(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream)
                }
        }
        Dbprintf("Simulating with fcHigh: %d, fcLow: %d, clk: %d, invert: %d, n: %d",fcHigh, fcLow, clk, invert, n);
-       /*Dbprintf("DEBUG: First 32:");
-       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]);
-       */
-       if (ledcontrol)
-               LED_A_ON();
 
+       if (ledcontrol) LED_A_ON();
        SimulateTagLowFrequency(n, 0, ledcontrol);
-
-       if (ledcontrol)
-               LED_A_OFF();
+       if (ledcontrol) LED_A_OFF();
 }
 
 // compose ask waveform for one bit(ASK)
@@ -839,7 +828,7 @@ 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 +848,7 @@ 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 +890,6 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
                                return;
                        }
                        // reset
-               }
                idx = 0;
                WDT_HIT();
        }
@@ -1051,73 +1040,21 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
 }
 
 /*------------------------------
- * T5555/T5557/T5567 routines
+ * T5555/T5557/T5567/T5577 routines
  *------------------------------
- */
-
-/* T55x7 configuration register definitions */
-#define T55x7_POR_DELAY                                0x00000001
-#define T55x7_ST_TERMINATOR                    0x00000008
-#define T55x7_PWD                                      0x00000010
-#define T55x7_MAXBLOCK_SHIFT           5
-#define T55x7_AOR                                      0x00000200
-#define T55x7_PSKCF_RF_2                       0
-#define T55x7_PSKCF_RF_4                       0x00000400
-#define T55x7_PSKCF_RF_8                       0x00000800
-#define T55x7_MODULATION_DIRECT                0
-#define T55x7_MODULATION_PSK1          0x00001000
-#define T55x7_MODULATION_PSK2          0x00002000
-#define T55x7_MODULATION_PSK3          0x00003000
-#define T55x7_MODULATION_FSK1          0x00004000
-#define T55x7_MODULATION_FSK2          0x00005000
-#define T55x7_MODULATION_FSK1a         0x00006000
-#define T55x7_MODULATION_FSK2a         0x00007000
-#define T55x7_MODULATION_MANCHESTER    0x00008000
-#define T55x7_MODULATION_BIPHASE       0x00010000
-#define T55x7_MODULATION_DIPHASE       0x00018000
-//#define T55x7_MODULATION_BIPHASE57   0x00011000
-#define T55x7_BITRATE_RF_8                     0
-#define T55x7_BITRATE_RF_16                    0x00040000
-#define T55x7_BITRATE_RF_32                    0x00080000
-#define T55x7_BITRATE_RF_40                    0x000C0000
-#define T55x7_BITRATE_RF_50                    0x00100000
-#define T55x7_BITRATE_RF_64                    0x00140000
-#define T55x7_BITRATE_RF_100           0x00180000
-#define T55x7_BITRATE_RF_128           0x001C0000
-
-/* T5555 (Q5) configuration register definitions */
-#define T5555_ST_TERMINATOR                    0x00000001
-#define T5555_MAXBLOCK_SHIFT           0x00000001
-#define T5555_MODULATION_MANCHESTER    0
-#define T5555_MODULATION_PSK1          0x00000010
-#define T5555_MODULATION_PSK2          0x00000020
-#define T5555_MODULATION_PSK3          0x00000030
-#define T5555_MODULATION_FSK1          0x00000040
-#define T5555_MODULATION_FSK2          0x00000050
-#define T5555_MODULATION_BIPHASE       0x00000060
-#define T5555_MODULATION_DIRECT                0x00000070
-#define T5555_INVERT_OUTPUT                    0x00000080
-#define T5555_PSK_RF_2                         0
-#define T5555_PSK_RF_4                         0x00000100
-#define T5555_PSK_RF_8                         0x00000200
-#define T5555_USE_PWD                          0x00000400
-#define T5555_USE_AOR                          0x00000800
-#define T5555_BITRATE_SHIFT                    12
-#define T5555_FAST_WRITE                       0x00004000
-#define T5555_PAGE_SELECT                      0x00008000
-
-/*
- * Relevant times in microsecond
+ * NOTE: T55x7/T5555 configuration register definitions moved to protocols.h 
+ *
+ * Relevant communication times in microsecond
  * To compensate antenna falling times shorten the write times
  * and enlarge the gap ones.
  * Q5 tags seems to have issues when these values changes. 
  */
 
-#define START_GAP 50*8 // was 250 // SPEC:  1*8 to 50*8 - typ 15*8 (or 15fc)
+#define START_GAP 31*8 // was 250 // SPEC:  1*8 to 50*8 - typ 15*8 (or 15fc)
 #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_0   18*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)
@@ -1136,24 +1073,58 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
 void TurnReadLFOn(int delay) {
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
        // Give it a bit of time for the resonant antenna to settle.
-       SpinDelayUs(delay); //155*8 //50*8
+
+       // measure antenna strength.
+       //int adcval = ((MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10);
+       // where to save it
+       
+       SpinDelayUs(delay);
 }
 
 // Write one bit to card
 void T55xxWriteBit(int bit) {
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
        if (!bit)
-               SpinDelayUs(WRITE_0);
+               TurnReadLFOn(WRITE_0);
        else
-               SpinDelayUs(WRITE_1);
+               TurnReadLFOn(WRITE_1);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        SpinDelayUs(WRITE_GAP);
 }
 
+// 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);
+
+       // Trigger T55x7 in mode.
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       SpinDelayUs(START_GAP);
+
+       // reset tag - op code 00
+       T55xxWriteBit(0);
+       T55xxWriteBit(0);
+
+       // Turn field on to read the response
+       TurnReadLFOn(READ_GAP);
+
+       // Acquisition
+       doT55x7Acquisition(BigBuf_max_traceLen());
+
+       // Turn the field off
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
+       cmd_send(CMD_ACK,0,0,0,0,0);    
+       LED_A_OFF();
+}
+
 // Write one card block in page 0, no lock
-void T55xxWriteBlock(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t PwdMode) {
+void T55xxWriteBlockExt(uint32_t Data, uint8_t Block, uint32_t Pwd, uint8_t arg) {
        LED_A_ON();
-       
+       bool PwdMode = arg & 0x1;
+       uint8_t Page = (arg & 0x2)>>1;
        uint32_t i = 0;
 
        // Set up FPGA, 125kHz
@@ -1165,8 +1136,7 @@ void T55xxWriteBlock(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t PwdMod
 
        // Opcode 10
        T55xxWriteBit(1);
-       T55xxWriteBit(0); //Page 0
-       
+       T55xxWriteBit(Page); //Page 0
        if (PwdMode){
                // Send Pwd
                for (i = 0x80000000; i != 0; i >>= 1)
@@ -1186,20 +1156,29 @@ void T55xxWriteBlock(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t PwdMod
        // Perform write (nominal is 5.6 ms for T55x7 and 18ms for E5550,
        // so wait a little more)
        TurnReadLFOn(20 * 1000);
+               //could attempt to do a read to confirm write took
+               // as the tag should repeat back the new block 
+               // until it is reset, but to confirm it we would 
+               // need to know the current block 0 config mode
        
        // turn field off
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       cmd_send(CMD_ACK,0,0,0,0,0);
        LED_A_OFF();
-       LED_B_OFF();
 }
 
-// Read one card block in page 0
+// Write one card block in page 0, no lock
+void T55xxWriteBlock(uint32_t Data, uint8_t Block, uint32_t Pwd, uint8_t arg) {
+       T55xxWriteBlockExt(Data, Block, Pwd, arg);
+       cmd_send(CMD_ACK,0,0,0,0,0);
+}
+
+// Read one card block in page [page]
 void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
        LED_A_ON();
-       uint8_t PwdMode = arg0 & 0x01;
-       uint8_t Page    = arg0 & 0x02;
+       bool PwdMode = arg0 & 0x1;
+       uint8_t Page = (arg0 & 0x2) >> 1;
        uint32_t i = 0;
+       bool RegReadMode = (Block == 0xFF);
        
        //clear buffer now so it does not interfere with timing later
        BigBuf_Clear_ext(false);
@@ -1207,14 +1186,14 @@ void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
        //make sure block is at max 7
        Block &= 0x7;
 
-       // Set up FPGA, 125kHz
+       // Set up FPGA, 125kHz to power up the tag
        LFSetupFPGAForADC(95, true);
        
-       // Trigger T55x7 Direct Access Mode
+       // Trigger T55x7 Direct Access Mode with start gap
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        SpinDelayUs(START_GAP);
        
-       // Opcode 10
+       // Opcode 1[page]
        T55xxWriteBit(1);
        T55xxWriteBit(Page); //Page 0
 
@@ -1223,11 +1202,11 @@ void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
                for (i = 0x80000000; i != 0; i >>= 1)
                        T55xxWriteBit(Pwd & i);
        }
-
        // Send a zero bit separation
        T55xxWriteBit(0);
        
-       // Send Block number
+       // Send Block number (if direct access mode)
+       if (!RegReadMode)
        for (i = 0x04; i != 0; i >>= 1)
                T55xxWriteBit(Block & i);
 
@@ -1235,56 +1214,12 @@ void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
        TurnReadLFOn(READ_GAP);
        
        // Acquisition
-       doT55x7Acquisition();
+       doT55x7Acquisition(12000);
        
-       // turn field off
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       // Turn the field off
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
        cmd_send(CMD_ACK,0,0,0,0,0);    
        LED_A_OFF();
-       LED_B_OFF();
-}
-
-// Read card traceability data (page 1)
-void T55xxReadTrace(void){
-       // LED_A_ON();
-
-       // uint8_t PwdMode = arg0 & 0xFF;
-       // uint32_t i = 0;
-               
-       // //clear buffer now so it does not interfere with timing later
-       // BigBuf_Clear_ext(false);
-
-       // // Set up FPGA, 125kHz
-       // LFSetupFPGAForADC(95, true);
-       
-       // // Trigger T55x7 Direct Access Mode
-       // FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       // SpinDelayUs(START_GAP);
-
-       // // Opcode 11
-       // T55xxWriteBit(1);
-       // T55xxWriteBit(1); //Page 1
-
-       // if (PwdMode){
-               // // Send Pwd
-               // for (i = 0x80000000; i != 0; i >>= 1)
-                       // T55xxWriteBit(Pwd & i);
-       // }
-
-       // // Send a zero bit separation
-       // T55xxWriteBit(0);
-       
-       // // Turn field on to read the response
-       // TurnReadLFOn(READ_GAP);
-
-       // // Acquisition
-       // doT55x7Acquisition();
-
-       // // turn field off
-       // FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       // cmd_send(CMD_ACK,0,0,0,0,0);
-       // LED_A_OFF();
-       // LED_B_OFF();
 }
 
 void T55xxWakeUp(uint32_t Pwd){
@@ -1306,16 +1241,22 @@ void T55xxWakeUp(uint32_t Pwd){
        for (i = 0x80000000; i != 0; i >>= 1)
                T55xxWriteBit(Pwd & i);
 
-       // Turn field on to read the response
+       // Turn and leave field on to let the begin repeating transmission
        TurnReadLFOn(20*1000);
 }
 
 /*-------------- Cloning routines -----------*/
+
+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--)
+               T55xxWriteBlockExt(blockdata[i-1], i-1, 0, 0);
+}
+
 // Copy HID id to card and setup block 0 config
-void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT)
-{
-       int data1=0, data2=0, data3=0, data4=0, data5=0, data6=0; //up to six blocks for long format
-       int last_block = 0;
+void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) {
+       uint32_t data[] = {0,0,0,0,0,0,0};
+       uint8_t last_block = 0;
 
        if (longFMT){
                // Ensure no more than 84 bits supplied
@@ -1325,140 +1266,100 @@ void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT)
                }
                // Build the 6 data blocks for supplied 84bit ID
                last_block = 6;
-               data1 = 0x1D96A900; // load preamble (1D) & long format identifier (9E manchester encoded)
-               for (int i=0;i<4;i++) {
-                       if (hi2 & (1<<(19-i)))
-                               data1 |= (1<<(((3-i)*2)+1)); // 1 -> 10
-                       else
-                               data1 |= (1<<((3-i)*2)); // 0 -> 01
-               }
-
-               data2 = 0;
-               for (int i=0;i<16;i++) {
-                       if (hi2 & (1<<(15-i)))
-                               data2 |= (1<<(((15-i)*2)+1)); // 1 -> 10
-                       else
-                               data2 |= (1<<((15-i)*2)); // 0 -> 01
-               }
-
-               data3 = 0;
-               for (int i=0;i<16;i++) {
-                       if (hi & (1<<(31-i)))
-                               data3 |= (1<<(((15-i)*2)+1)); // 1 -> 10
-                       else
-                               data3 |= (1<<((15-i)*2)); // 0 -> 01
-               }
-
-               data4 = 0;
-               for (int i=0;i<16;i++) {
-                       if (hi & (1<<(15-i)))
-                               data4 |= (1<<(((15-i)*2)+1)); // 1 -> 10
-                       else
-                               data4 |= (1<<((15-i)*2)); // 0 -> 01
-               }
-
-               data5 = 0;
-               for (int i=0;i<16;i++) {
-                       if (lo & (1<<(31-i)))
-                               data5 |= (1<<(((15-i)*2)+1)); // 1 -> 10
-                       else
-                               data5 |= (1<<((15-i)*2)); // 0 -> 01
-               }
-
-               data6 = 0;
-               for (int i=0;i<16;i++) {
-                       if (lo & (1<<(15-i)))
-                               data6 |= (1<<(((15-i)*2)+1)); // 1 -> 10
-                       else
-                               data6 |= (1<<((15-i)*2)); // 0 -> 01
-               }
-       }
-       else {
+               // load preamble (1D) & long format identifier (9E manchester encoded)
+               data[1] = 0x1D96A900 | (manchesterEncode2Bytes((hi2 >> 16) & 0xF) & 0xFF);
+               // load raw id from hi2, hi, lo to data blocks (manchester encoded)
+               data[2] = manchesterEncode2Bytes(hi2 & 0xFFFF);
+               data[3] = manchesterEncode2Bytes(hi >> 16);
+               data[4] = manchesterEncode2Bytes(hi & 0xFFFF);
+               data[5] = manchesterEncode2Bytes(lo >> 16);
+               data[6] = manchesterEncode2Bytes(lo & 0xFFFF);
+       }       else {
                // Ensure no more than 44 bits supplied
                if (hi>0xFFF) {
                        DbpString("Tags can only have 44 bits.");
                        return;
                }
-
                // Build the 3 data blocks for supplied 44bit ID
                last_block = 3;
-
-               data1 = 0x1D000000; // load preamble
-
-               for (int i=0;i<12;i++) {
-                       if (hi & (1<<(11-i)))
-                               data1 |= (1<<(((11-i)*2)+1)); // 1 -> 10
-                       else
-                               data1 |= (1<<((11-i)*2)); // 0 -> 01
-               }
-
-               data2 = 0;
-               for (int i=0;i<16;i++) {
-                       if (lo & (1<<(31-i)))
-                               data2 |= (1<<(((15-i)*2)+1)); // 1 -> 10
-                       else
-                               data2 |= (1<<((15-i)*2)); // 0 -> 01
-               }
-
-               data3 = 0;
-               for (int i=0;i<16;i++) {
-                       if (lo & (1<<(15-i)))
-                               data3 |= (1<<(((15-i)*2)+1)); // 1 -> 10
-                       else
-                               data3 |= (1<<((15-i)*2)); // 0 -> 01
-               }
+               // load preamble
+               data[1] = 0x1D000000 | (manchesterEncode2Bytes(hi) & 0xFFFFFF);
+               data[2] = manchesterEncode2Bytes(lo >> 16);
+               data[3] = manchesterEncode2Bytes(lo & 0xFFFF);
        }
+       // 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
-       T55xxWriteBlock(data1,1,0,0);
-       T55xxWriteBlock(data2,2,0,0);
-       T55xxWriteBlock(data3,3,0,0);
-
-       if (longFMT) { // if long format there are 6 blocks
-               T55xxWriteBlock(data4,4,0,0);
-               T55xxWriteBlock(data5,5,0,0);
-               T55xxWriteBlock(data6,6,0,0);
-       }
-
-       // Config for HID (RF/50, FSK2a, Maxblock=3 for short/6 for long)
-       T55xxWriteBlock(T55x7_BITRATE_RF_50    |
-                                       T55x7_MODULATION_FSK2a |
-                                       last_block << T55x7_MAXBLOCK_SHIFT,
-                                       0,0,0);
+       WriteT55xx(data, 0, last_block+1);
 
        LED_D_OFF();
 
        DbpString("DONE!");
 }
 
-void CopyIOtoT55x7(uint32_t hi, uint32_t lo, uint8_t longFMT)
-{
-       int data1=0, data2=0; //up to six blocks for long format
-
-       data1 = hi;  // load preamble
-       data2 = lo;
+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
-       // and the block 0 for HID format
-       T55xxWriteBlock(data1,1,0,0);
-       T55xxWriteBlock(data2,2,0,0);
+       // and the block 0 config
+       WriteT55xx(data, 0, 3);
 
-       //Config Block
-       T55xxWriteBlock(0x00147040,0,0,0);
        LED_D_OFF();
 
        DbpString("DONE!");
 }
 
+// Clone Indala 64-bit tag by UID to T55x7
+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);
+       DbpString("DONE!");
+}
+// Clone Indala 224-bit tag by UID to T55x7
+void CopyIndala224toT55x7(uint32_t uid1, uint32_t uid2, uint32_t uid3, uint32_t uid4, uint32_t uid5, uint32_t uid6, uint32_t uid7) {
+       //Program the 7 data blocks for supplied 224bit UID
+       uint32_t data[] = {0, uid1, uid2, uid3, uid4, uid5, uid6, uid7};
+       // 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);
+       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
 #define EM410X_ID_LENGTH       40
 
-void WriteEM410x(uint32_t card, uint32_t id_hi, uint32_t id_lo)
-{
+void WriteEM410x(uint32_t card, uint32_t id_hi, uint32_t id_lo) {
        int i, id_bit;
        uint64_t id = EM410X_HEADER;
        uint64_t rev_id = 0;    // reversed ID
@@ -1518,92 +1419,30 @@ void WriteEM410x(uint32_t card, uint32_t id_hi, uint32_t id_lo)
        LED_D_ON();
 
        // Write EM410x ID
-       T55xxWriteBlock((uint32_t)(id >> 32), 1, 0, 0);
-       T55xxWriteBlock((uint32_t)id, 2, 0, 0);
-
-       // Config for EM410x (RF/64, Manchester, Maxblock=2)
-       if (card) {
-               // Clock rate is stored in bits 8-15 of the card value
-               clock = (card & 0xFF00) >> 8;
-               Dbprintf("Clock rate: %d", clock);
-               switch (clock) {
-               case 50:
-                       clock = T55x7_BITRATE_RF_50;
-               case 40:
-                       clock = T55x7_BITRATE_RF_40;
-               case 32:
-                       clock = T55x7_BITRATE_RF_32;
-                       break;
-               case 16:
-                       clock = T55x7_BITRATE_RF_16;
-                       break;
-               case 0:
-                       // A value of 0 is assumed to be 64 for backwards-compatibility
-                       // Fall through...
-               case 64:
-                       clock = T55x7_BITRATE_RF_64;
-                       break;
-               default:
+       uint32_t data[] = {0, (uint32_t)(id>>32), id & 0xFFFFFFFF};
+
+       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;
                }
-
-               // Writing configuration for T55x7 tag
-               T55xxWriteBlock(clock       |
-                                               T55x7_MODULATION_MANCHESTER |
-                                               2 << T55x7_MAXBLOCK_SHIFT,
-                                               0, 0, 0);
+               data[0] = clock | T55x7_MODULATION_MANCHESTER | (2 << T55x7_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);
        }
-       else
-               // Writing configuration for T5555(Q5) tag
-               T55xxWriteBlock(0x1F << T5555_BITRATE_SHIFT |
-                                               T5555_MODULATION_MANCHESTER |
-                                               2 << T5555_MAXBLOCK_SHIFT,
-                                               0, 0, 0);
-
-       LED_D_OFF();
-       Dbprintf("Tag %s written with 0x%08x%08x\n", card ? "T55x7":"T5555",
-                        (uint32_t)(id >> 32), (uint32_t)id);
-}
-
-// Clone Indala 64-bit tag by UID to T55x7
-void CopyIndala64toT55x7(int hi, int lo)
-{
-       //Program the 2 data blocks for supplied 64bit UID
-       // and the block 0 for Indala64 format
-       T55xxWriteBlock(hi,1,0,0);
-       T55xxWriteBlock(lo,2,0,0);
-       //Config for Indala (RF/32;PSK1 with RF/2;Maxblock=2)
-       T55xxWriteBlock(T55x7_BITRATE_RF_32    |
-                                       T55x7_MODULATION_PSK1 |
-                                       2 << T55x7_MAXBLOCK_SHIFT,
-                                       0, 0, 0);
-       //Alternative config for Indala (Extended mode;RF/32;PSK1 with RF/2;Maxblock=2;Inverse data)
-       //      T5567WriteBlock(0x603E1042,0);
 
-       DbpString("DONE!");
-}
+       WriteT55xx(data, 0, 3);
 
-void CopyIndala224toT55x7(int uid1, int uid2, int uid3, int uid4, int uid5, int uid6, int uid7)
-{
-       //Program the 7 data blocks for supplied 224bit UID
-       // and the block 0 for Indala224 format
-       T55xxWriteBlock(uid1,1,0,0);
-       T55xxWriteBlock(uid2,2,0,0);
-       T55xxWriteBlock(uid3,3,0,0);
-       T55xxWriteBlock(uid4,4,0,0);
-       T55xxWriteBlock(uid5,5,0,0);
-       T55xxWriteBlock(uid6,6,0,0);
-       T55xxWriteBlock(uid7,7,0,0);
-       //Config for Indala (RF/32;PSK1 with RF/2;Maxblock=7)
-       T55xxWriteBlock(T55x7_BITRATE_RF_32    |
-                                       T55x7_MODULATION_PSK1 |
-                                       7 << T55x7_MAXBLOCK_SHIFT,
-                                       0,0,0);
-       //Alternative config for Indala (Extended mode;RF/32;PSK1 with RF/2;Maxblock=7;Inverse data)
-       //      T5567WriteBlock(0x603E10E2,0);
-
-       DbpString("DONE!");
+       LED_D_OFF();
+       Dbprintf("Tag %s written with 0x%08x%08x\n",
+                       card ? "T55x7":"T5555",
+                       (uint32_t)(id >> 32),
+                       (uint32_t)id);
 }
 
 //-----------------------------------
@@ -1623,6 +1462,15 @@ 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
@@ -1808,15 +1656,3 @@ 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) {
-    LED_D_ON();
-    T55xxWriteBlock(block1,1,0,0);
-    T55xxWriteBlock(block2,2,0,0);
-       T55xxWriteBlock(T55x7_MODULATION_MANCHESTER | T55x7_BITRATE_RF_32 | 2 << T55x7_MAXBLOCK_SHIFT,0,0,0);
-    // T55xxWriteBlock(T55x7_MODULATION_MANCHESTER | T55x7_BITRATE_RF_32 | 2 << T5555_MAXBLOCK_SHIFT,0,0,1);
-       // ICEMAN NOTES:
-       // Shouldn't this one be: T55x7_MAXBLOCK_SHIFT  and 0 in password mode
-    LED_D_OFF();
-}
-
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