clarification in 'hf 15 cmd write' message using Adrian's second patch from issue 20

[proxmark3-svn] / armsrc / lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 50cf35c6c53734fdfd1354375486aa9f1a6a0df0..b53f370e4ed6a3bb03c6523023d5ce78bd60bac4 100644 (file)
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -976,35 +976,87 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
        }
 }
 
        }
 }
 

-//----------------------
-// T5557/T5567 routines
-
-// Relevant times in microsecond
-// To compensate antenna falling times shorten the write times
-//  and enlarge the gap ones.
-#define start_gap 250 
-#define write_gap 160 
-#define write_0 144 //192
-#define write_1 400 //432 for T55x7; 448 for E5550
-
-//Write one bit to card
-void T5567WriteBit(int bit)
+/*------------------------------
+ * T5555/T5557/T5567 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_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
+ * To compensate antenna falling times shorten the write times
+ * and enlarge the gap ones.
+ */
+#define START_GAP 250
+#define WRITE_GAP 160
+#define WRITE_0   144 // 192
+#define WRITE_1   400 // 432 for T55x7; 448 for E5550
+
+// Write one bit to card
+void T55xxWriteBit(int bit)

 {
        FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
 {
        FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);

-       if (bit == 0)  SpinDelayUs(write_0);
-       else SpinDelayUs(write_1);
+       if (bit == 0)
+               SpinDelayUs(WRITE_0);
+       else
+               SpinDelayUs(WRITE_1);

        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);

-       SpinDelayUs(write_gap);
+       SpinDelayUs(WRITE_GAP);

 }
 
 }
 

-//Write one card block in page 0, no lock
-void T5567WriteBlock(int Data, int Block)
+// Write one card block in page 0, no lock
+void T55xxWriteBlock(int Data, int Block)

 {
 {

-
-       /* Make sure the tag is reset */
-//     FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-//     SpinDelay(2500);
+       unsigned int i;

 
        FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
 
        FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);


@@ -1013,71 +1065,166 @@ void T5567WriteBlock(int Data, int Block)
        // And for the tag to fully power up
        SpinDelay(150);
 
        // And for the tag to fully power up
        SpinDelay(150);
 

-       // now start writting
+       // Now start writting

        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);

-       SpinDelayUs(start_gap);
-
-  //Opcode
-  T5567WriteBit(1);
-  T5567WriteBit(0); //Page 0
-  //Lock bit
-  T5567WriteBit(0);
-  
-  //Data 
-  for (int i=0;i<32;i++){
-     T5567WriteBit(Data&(1<<(31-i)));
-  }    
-
-  //Page 
-  for (int i=0;i<3;i++){
-     T5567WriteBit(Block&(1<<(2-i)));
-  }    
-  
-  //Now perform write (nominal is 5.6 ms for T55x7 and 18ms for E5550,
-  //                   so wait a little more)
-       FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
+       SpinDelayUs(START_GAP);
+
+       // Opcode
+       T55xxWriteBit(1);
+       T55xxWriteBit(0); //Page 0
+       // Lock bit
+       T55xxWriteBit(0);
+
+       // Data
+       for (i = 0x80000000; i != 0; i >>= 1)
+               T55xxWriteBit(Data & i);
+
+       // Page
+       for (i = 0x04; i != 0; i >>= 1)
+               T55xxWriteBit(Block & i);
+
+       // Now perform write (nominal is 5.6 ms for T55x7 and 18ms for E5550,
+       // so wait a little more)
+       FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz

        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
        SpinDelay(20);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
        SpinDelay(20);

-       
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);

 }
 
 }
 

-//Copy HID id to card and setup block 0 config
+// Copy HID id to card and setup block 0 config

 void CopyHIDtoT5567(int hi, int lo)
 {
        int data1, data2, data3;
 
 void CopyHIDtoT5567(int hi, int lo)
 {
        int data1, data2, data3;
 

-  // ensure no more than 44 bits supplied
+       // Ensure no more than 44 bits supplied

        if (hi>0xFFF) {
                DbpString("Tags can only have 44 bits.");
                return;
        }
        if (hi>0xFFF) {
                DbpString("Tags can only have 44 bits.");
                return;
        }

-       
-       //Build the 3 data blocks for supplied 44bit ID
-       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
+
+       // Build the 3 data blocks for supplied 44bit ID
+       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
+
+       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
+
+       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

        }
 
        }
 

-       //Program the 3 data blocks for supplied 44bit ID
+       // Program the 3 data blocks for supplied 44bit ID

        // and the block 0 for HID format
        // and the block 0 for HID format

-  T5567WriteBlock(data1,1);
-  T5567WriteBlock(data2,2);
-  T5567WriteBlock(data3,3);
-  //Config for HID (RF/50;FSK2a;Maxblock=3)
-  T5567WriteBlock(0x00107060,0);
+       T55xxWriteBlock(data1,1);
+       T55xxWriteBlock(data2,2);
+       T55xxWriteBlock(data3,3);
+
+       // Config for HID (RF/50, FSK2a, Maxblock=3)
+       T55xxWriteBlock(T55x7_BITRATE_RF_50         |
+                       T55x7_MODULATION_MANCHESTER |
+                       3 << T55x7_MAXBLOCK_SHIFT,
+                       0);

 
        DbpString("DONE!");
 
        DbpString("DONE!");

+}

 
 

-}      
+// 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)
+{
+       int i, id_bit;
+       uint64_t id = EM410X_HEADER;
+       uint64_t rev_id = 0;    // reversed ID
+       int c_parity[4];        // column parity
+       int r_parity = 0;       // row parity
+
+       // Reverse ID bits given as parameter (for simpler operations)
+       for (i = 0; i < EM410X_ID_LENGTH; ++i) {
+               if (i < 32) {
+                       rev_id = (rev_id << 1) | (id_lo & 1);
+                       id_lo >>= 1;
+               } else {
+                       rev_id = (rev_id << 1) | (id_hi & 1);
+                       id_hi >>= 1;
+               }
+       }
+
+       for (i = 0; i < EM410X_ID_LENGTH; ++i) {
+               id_bit = rev_id & 1;
+
+               if (i % 4 == 0) {
+                       // Don't write row parity bit at start of parsing
+                       if (i)
+                               id = (id << 1) | r_parity;
+                       // Start counting parity for new row
+                       r_parity = id_bit;
+               } else {
+                       // Count row parity
+                       r_parity ^= id_bit;
+               }
+
+               // First elements in column?
+               if (i < 4)
+                       // Fill out first elements
+                       c_parity[i] = id_bit;
+               else
+                       // Count column parity
+                       c_parity[i % 4] ^= id_bit;
+
+               // Insert ID bit
+               id = (id << 1) | id_bit;
+               rev_id >>= 1;
+       }
+
+       // Insert parity bit of last row
+       id = (id << 1) | r_parity;
+
+       // Fill out column parity at the end of tag
+       for (i = 0; i < 4; ++i)
+               id = (id << 1) | c_parity[i];
+
+       // Add stop bit
+       id <<= 1;
+
+       Dbprintf("Started writing %s tag ...", card ? "T55x7":"T5555");
+       LED_D_ON();
+
+       // Write EM410x ID
+       T55xxWriteBlock((uint32_t)(id >> 32), 1);
+       T55xxWriteBlock((uint32_t)id, 2);
+
+       // Config for EM410x (RF/64, Manchester, Maxblock=2)
+       if (card)
+               // Writing configuration for T55x7 tag
+               T55xxWriteBlock(T55x7_BITRATE_RF_64         |
+                               T55x7_MODULATION_MANCHESTER |
+                               2 << T55x7_MAXBLOCK_SHIFT,
+                               0);
+       else
+               // Writing configuration for T5555(Q5) tag
+               T55xxWriteBlock(0x1F << T5555_BITRATE_SHIFT |
+                               T5555_MODULATION_MANCHESTER   |
+                               2 << T5555_MAXBLOCK_SHIFT,
+                               0);
+
+       LED_D_OFF();
+       Dbprintf("Tag %s written with 0x%08x%08x\n", card ? "T55x7":"T5555",
+                                       (uint32_t)(id >> 32), (uint32_t)id);
+}