(no commit message)

[proxmark3-svn] / armsrc / lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 21e068c16ab92e80901cbb3b13f3129c14636f30..50cf35c6c53734fdfd1354375486aa9f1a6a0df0 100644 (file)
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -975,3 +975,109 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
                WDT_HIT();
        }
 }
+
+//----------------------
+// 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)
+{
+       FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
+       if (bit == 0)  SpinDelayUs(write_0);
+       else SpinDelayUs(write_1);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       SpinDelayUs(write_gap);
+}
+
+//Write one card block in page 0, no lock
+void T5567WriteBlock(int Data, int Block)
+{
+
+       /* Make sure the tag is reset */
+//     FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+//     SpinDelay(2500);
+
+       FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
+
+       // Give it a bit of time for the resonant antenna to settle.
+       // And for the tag to fully power up
+       SpinDelay(150);
+
+       // now start writting
+       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
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
+       SpinDelay(20);
+       
+}
+
+//Copy HID id to card and setup block 0 config
+void CopyHIDtoT5567(int hi, int lo)
+{
+       int data1, data2, data3;
+
+  // 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
+       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
+       }
+
+       //Program the 3 data blocks for supplied 44bit ID
+       // 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);
+
+       DbpString("DONE!");
+
+}      
+