X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6c064e161c99ee3b1f8dc5c3731bef92980a9e35..ec09b62d8816359980166ba488ec97b2a3e15b14:/armsrc/lfops.c diff --git a/armsrc/lfops.c b/armsrc/lfops.c index 21e068c1..50cf35c6 100644 --- 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!"); + +} +