X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/9f669cb26f4266c4a221af39635899ac60bbc179..db8296025f78251ffa2c28d6fe995bbb0a386c77:/armsrc/lfops.c diff --git a/armsrc/lfops.c b/armsrc/lfops.c index 5f21738a..3acecd6e 100644 --- a/armsrc/lfops.c +++ b/armsrc/lfops.c @@ -1078,21 +1078,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol) #define WRITE_GAP 20*8 // was 160 // SPEC: 1*8 to 20*8 - typ 10*8 (or 10fc) #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 - -// 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); - -// Sam7s has several timers, we will use the source TIMER_CLOCK1 (aka AT91C_TC_CLKS_TIMER_DIV1_CLOCK) -// TIMER_CLOCK1 = MCK/2, MCK is running at 48 MHz, Timer is running at 48/2 = 24 MHz -// Hitag units (T0) have duration of 8 microseconds (us), which is 1/125000 per second (carrier) -// T0 = TIMER_CLOCK1 / 125000 = 192 -// 1 Cycle = 8 microseconds(us) == 1 field clock +#define READ_GAP 26*8 void TurnReadLFOn(int delay) { FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD); @@ -1191,7 +1177,7 @@ void T55xxWriteBlock(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t arg) { cmd_send(CMD_ACK,0,0,0,0,0); } -// Read one card block in page 0 +// Read one card block in page [page] void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) { LED_A_ON(); bool PwdMode = arg0 & 0x1; @@ -1312,6 +1298,9 @@ 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)<>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); @@ -1464,6 +1461,14 @@ uint8_t * fwd_write_ptr; //forwardlink bit pointer // 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 ) { //--------------------------------------------------------------------