X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b067125f98f52d6d33e9dc97a1caa1b4b5bb9cde..12bad10c465c0ec2a7c0cf620ffef281ba095864:/armsrc/lfops.c diff --git a/armsrc/lfops.c b/armsrc/lfops.c index 188d7280..47fec7c2 100644 --- a/armsrc/lfops.c +++ b/armsrc/lfops.c @@ -16,8 +16,8 @@ #include "string.h" #include "lfdemod.h" #include "lfsampling.h" -#include "usb_cdc.h" - +#include "protocols.h" +#include "usb_cdc.h" // for usb_poll_validate_length /** * Function to do a modulation and then get samples. @@ -26,7 +26,7 @@ * @param period_1 * @param command */ -void ModThenAcquireRawAdcSamples125k(int delay_off, int period_0, int period_1, uint8_t *command) +void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t period_0, uint32_t period_1, uint8_t *command) { int divisor_used = 95; // 125 KHz @@ -73,8 +73,6 @@ void ModThenAcquireRawAdcSamples125k(int delay_off, int period_0, int period_1, DoAcquisition_config(false); } - - /* blank r/w tag data stream ...0000000000000000 01111111 1010101010101010101010101010101010101010101010101010101010101010 @@ -248,7 +246,7 @@ void AcquireTiType(void) // clear buffer uint32_t *BigBuf = (uint32_t *)BigBuf_get_addr(); - memset(BigBuf,0,BigBuf_max_traceLen()/sizeof(uint32_t)); + BigBuf_Clear_ext(false); // Set up the synchronous serial port AT91C_BASE_PIOA->PIO_PDR = GPIO_SSC_DIN; @@ -395,18 +393,14 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol) AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT; AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_CLK; - #define SHORT_COIL() LOW(GPIO_SSC_DOUT) - #define OPEN_COIL() HIGH(GPIO_SSC_DOUT) + #define SHORT_COIL() LOW(GPIO_SSC_DOUT) + #define OPEN_COIL() HIGH(GPIO_SSC_DOUT) i = 0; - byte_t rx[sizeof(UsbCommand)]; // Storage for usb_read call in loop for(;;) { //wait until SSC_CLK goes HIGH while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) { - // Craig Young - Adding a usb_read() here to avoid abort on empty UsbCommand - // My OS X client does this preventing simulation. - // Performance hit should be non-existent since the read is only performed if usb_poll is true - if(BUTTON_PRESS() || (usb_poll() && usb_read(rx,sizeof(UsbCommand)))) { + if(BUTTON_PRESS() || (usb_poll_validate_length() )) { DbpString("Stopped"); return; } @@ -646,7 +640,6 @@ static void biphaseSimBit(uint8_t c, int *n, uint8_t clock, uint8_t *phase) memset(dest+(*n), c ^ *phase, clock); *phase ^= 1; } - } // args clock, ask/man or askraw, invert, transmission separator @@ -691,13 +684,9 @@ void CmdASKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream) //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(); } //carrier can be 2,4 or 8 @@ -747,12 +736,9 @@ void CmdPSKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream) //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(); } // loop to get raw HID waveform then FSK demodulate the TAG ID from it @@ -766,7 +752,7 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol) // Configure to go in 125Khz listen mode LFSetupFPGAForADC(95, true); - while(!BUTTON_PRESS()) { + while(!BUTTON_PRESS() && !usb_poll_validate_length()) { WDT_HIT(); if (ledcontrol) LED_A_ON(); @@ -849,85 +835,83 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol) void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol) { uint8_t *dest = BigBuf_get_addr(); - //const size_t sizeOfBigBuff = BigBuf_max_traceLen(); size_t size; int idx=0; // Configure to go in 125Khz listen mode LFSetupFPGAForADC(95, true); - while(!BUTTON_PRESS()) { + while(!BUTTON_PRESS() && !usb_poll_validate_length()) { WDT_HIT(); if (ledcontrol) LED_A_ON(); DoAcquisition_default(-1,true); // FSK demodulator - //size = sizeOfBigBuff; //variable size will change after demod so re initialize it before use size = 50*128*2; //big enough to catch 2 sequences of largest format idx = AWIDdemodFSK(dest, &size); - if (idx>0 && size==96){ - // Index map - // 0 10 20 30 40 50 60 - // | | | | | | | - // 01234567 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 - to 96 - // ----------------------------------------------------------------------------- - // 00000001 000 1 110 1 101 1 011 1 101 1 010 0 000 1 000 1 010 0 001 0 110 1 100 0 000 1 000 1 - // premable bbb o bbb o bbw o fff o fff o ffc o ccc o ccc o ccc o ccc o ccc o wxx o xxx o xxx o - to 96 - // |---26 bit---| |-----117----||-------------142-------------| - // b = format bit len, o = odd parity of last 3 bits - // f = facility code, c = card number - // w = wiegand parity - // (26 bit format shown) - - //get raw ID before removing parities - uint32_t rawLo = bytebits_to_byte(dest+idx+64,32); - uint32_t rawHi = bytebits_to_byte(dest+idx+32,32); - uint32_t rawHi2 = bytebits_to_byte(dest+idx,32); - - size = removeParity(dest, idx+8, 4, 1, 88); - // ok valid card found! - - // Index map - // 0 10 20 30 40 50 60 - // | | | | | | | - // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456 - // ----------------------------------------------------------------------------- - // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000 - // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx - // |26 bit| |-117--| |-----142------| - // b = format bit len, o = odd parity of last 3 bits - // f = facility code, c = card number - // w = wiegand parity - // (26 bit format shown) - - uint32_t fc = 0; - uint32_t cardnum = 0; - uint32_t code1 = 0; - uint32_t code2 = 0; - uint8_t fmtLen = bytebits_to_byte(dest,8); - if (fmtLen==26){ - fc = bytebits_to_byte(dest+9, 8); - cardnum = bytebits_to_byte(dest+17, 16); - code1 = bytebits_to_byte(dest+8,fmtLen); - Dbprintf("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo); - } else { - cardnum = bytebits_to_byte(dest+8+(fmtLen-17), 16); - if (fmtLen>32){ - code1 = bytebits_to_byte(dest+8,fmtLen-32); - code2 = bytebits_to_byte(dest+8+(fmtLen-32),32); - Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo); - } else{ - code1 = bytebits_to_byte(dest+8,fmtLen); - Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); - } - } - if (findone){ - if (ledcontrol) LED_A_OFF(); - return; + if (idx<=0 || size!=96) continue; + // Index map + // 0 10 20 30 40 50 60 + // | | | | | | | + // 01234567 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 - to 96 + // ----------------------------------------------------------------------------- + // 00000001 000 1 110 1 101 1 011 1 101 1 010 0 000 1 000 1 010 0 001 0 110 1 100 0 000 1 000 1 + // premable bbb o bbb o bbw o fff o fff o ffc o ccc o ccc o ccc o ccc o ccc o wxx o xxx o xxx o - to 96 + // |---26 bit---| |-----117----||-------------142-------------| + // b = format bit len, o = odd parity of last 3 bits + // f = facility code, c = card number + // w = wiegand parity + // (26 bit format shown) + + //get raw ID before removing parities + uint32_t rawLo = bytebits_to_byte(dest+idx+64,32); + uint32_t rawHi = bytebits_to_byte(dest+idx+32,32); + 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 + // 0 10 20 30 40 50 60 + // | | | | | | | + // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456 + // ----------------------------------------------------------------------------- + // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000 + // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + // |26 bit| |-117--| |-----142------| + // b = format bit len, o = odd parity of last 3 bits + // f = facility code, c = card number + // w = wiegand parity + // (26 bit format shown) + + uint32_t fc = 0; + uint32_t cardnum = 0; + uint32_t code1 = 0; + uint32_t code2 = 0; + uint8_t fmtLen = bytebits_to_byte(dest,8); + if (fmtLen==26){ + fc = bytebits_to_byte(dest+9, 8); + cardnum = bytebits_to_byte(dest+17, 16); + code1 = bytebits_to_byte(dest+8,fmtLen); + Dbprintf("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo); + } else { + cardnum = bytebits_to_byte(dest+8+(fmtLen-17), 16); + if (fmtLen>32){ + code1 = bytebits_to_byte(dest+8,fmtLen-32); + code2 = bytebits_to_byte(dest+8+(fmtLen-32),32); + Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo); + } else{ + code1 = bytebits_to_byte(dest+8,fmtLen); + Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); } - // reset } + if (findone){ + if (ledcontrol) LED_A_OFF(); + return; + } + // reset idx = 0; WDT_HIT(); } @@ -946,7 +930,7 @@ void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol) // Configure to go in 125Khz listen mode LFSetupFPGAForADC(95, true); - while(!BUTTON_PRESS()) { + while(!BUTTON_PRESS() && !usb_poll_validate_length()) { WDT_HIT(); if (ledcontrol) LED_A_ON(); @@ -1005,7 +989,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol) // Configure to go in 125Khz listen mode LFSetupFPGAForADC(95, true); - while(!BUTTON_PRESS()) { + while(!BUTTON_PRESS() && !usb_poll_validate_length()) { WDT_HIT(); if (ledcontrol) LED_A_ON(); DoAcquisition_default(-1,true); @@ -1060,237 +1044,206 @@ 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_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 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 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 15*8 -#define T55xx_SAMPLES_SIZE 12000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..) +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 +} // Write one bit to card -void T55xxWriteBit(int bit) -{ - FpgaDownloadAndGo(FPGA_BITSTREAM_LF); - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD); - if (bit == 0) - SpinDelayUs(WRITE_0); +void T55xxWriteBit(int bit) { + if (!bit) + 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, uint32_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 - // Wait for config.. (192+8190xPOW)x8 == 67ms - LFSetupFPGAForADC(0, true); + LFSetupFPGAForADC(95, true); - // Now start writting + // Trigger T55x7 in mode. FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); SpinDelayUs(START_GAP); - // Opcode + // Opcode 10 T55xxWriteBit(1); - T55xxWriteBit(0); //Page 0 - if (PwdMode == 1){ - // Pwd + T55xxWriteBit(Page); //Page 0 + if (PwdMode){ + // Send Pwd for (i = 0x80000000; i != 0; i >>= 1) T55xxWriteBit(Pwd & i); } - // Lock bit + // Send Lock bit T55xxWriteBit(0); - // Data + // Send Data for (i = 0x80000000; i != 0; i >>= 1) T55xxWriteBit(Data & i); - // Block + // Send Block number for (i = 0x04; i != 0; i >>= 1) T55xxWriteBit(Block & i); - // Now perform write (nominal is 5.6 ms for T55x7 and 18ms for E5550, + // 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_ADC | FPGA_LF_ADC_READER_FIELD); - SpinDelay(20); + 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); + LED_A_OFF(); } -void TurnReadLFOn(){ - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD); - // Give it a bit of time for the resonant antenna to settle. - SpinDelayUs(8*150); +// Write one card block in page 0, no lock +void T55xxWriteBlock(uint32_t Data, uint32_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 0 -void T55xxReadBlock(uint32_t Block, uint32_t Pwd, uint8_t PwdMode) -{ +// 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; + uint8_t Page = (arg0 & 0x2) >> 1; uint32_t i = 0; - uint8_t *dest = BigBuf_get_addr(); - uint16_t bufferlength = BigBuf_max_traceLen(); - if ( bufferlength > T55xx_SAMPLES_SIZE ) - bufferlength = T55xx_SAMPLES_SIZE; + bool RegReadMode = (Block == 0xFF); - // Clear destination buffer before sending the command - memset(dest, 0x80, bufferlength); + //clear buffer now so it does not interfere with timing later + BigBuf_Clear_ext(false); - // Set up FPGA, 125kHz - // Wait for config.. (192+8190xPOW)x8 == 67ms - LFSetupFPGAForADC(0, true); + //make sure block is at max 7 + Block &= 0x7; + + // Set up FPGA, 125kHz to power up the tag + LFSetupFPGAForADC(95, true); + + // Trigger T55x7 Direct Access Mode with start gap FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); SpinDelayUs(START_GAP); - // Opcode + // Opcode 1[page] T55xxWriteBit(1); - T55xxWriteBit(0); //Page 0 - if (PwdMode == 1){ - // Pwd + T55xxWriteBit(Page); //Page 0 + + if (PwdMode){ + // Send Pwd for (i = 0x80000000; i != 0; i >>= 1) T55xxWriteBit(Pwd & i); } - // Lock bit + // Send a zero bit separation T55xxWriteBit(0); - // Block - for (i = 0x04; i != 0; i >>= 1) - T55xxWriteBit(Block & i); + + // Send Block number (if direct access mode) + if (!RegReadMode) + for (i = 0x04; i != 0; i >>= 1) + T55xxWriteBit(Block & i); // Turn field on to read the response - TurnReadLFOn(); - // Now do the acquisition - i = 0; - for(;;) { - if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_TXRDY) { - AT91C_BASE_SSC->SSC_THR = 0x43; - LED_D_ON(); - } - if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) { - dest[i] = (uint8_t)AT91C_BASE_SSC->SSC_RHR; - i++; - LED_D_OFF(); - if (i >= bufferlength) break; - } - } + TurnReadLFOn(READ_GAP); - cmd_send(CMD_ACK,0,0,0,0,0); + // Acquisition + doT55x7Acquisition(12000); + + // Turn the field off FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off - LED_D_OFF(); + cmd_send(CMD_ACK,0,0,0,0,0); + LED_A_OFF(); } -// Read card traceability data (page 1) -void T55xxReadTrace(void){ - +void T55xxWakeUp(uint32_t Pwd){ + LED_B_ON(); uint32_t i = 0; - uint8_t *dest = BigBuf_get_addr(); - uint16_t bufferlength = BigBuf_max_traceLen(); - if ( bufferlength > T55xx_SAMPLES_SIZE ) - bufferlength= T55xx_SAMPLES_SIZE; - - // Clear destination buffer before sending the command - memset(dest, 0x80, bufferlength); - - LFSetupFPGAForADC(0, true); + + // Set up FPGA, 125kHz + LFSetupFPGAForADC(95, true); + + // Trigger T55x7 Direct Access Mode FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); SpinDelayUs(START_GAP); - - // Opcode + + // Opcode 10 T55xxWriteBit(1); - T55xxWriteBit(1); //Page 1 + T55xxWriteBit(0); //Page 0 - // Turn field on to read the response - TurnReadLFOn(); + // Send Pwd + for (i = 0x80000000; i != 0; i >>= 1) + T55xxWriteBit(Pwd & i); - // Now do the acquisition - for(;;) { - if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_TXRDY) { - AT91C_BASE_SSC->SSC_THR = 0x43; - LED_D_ON(); - } - if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) { - dest[i] = (uint8_t)AT91C_BASE_SSC->SSC_RHR; - i++; - LED_D_OFF(); + // Turn and leave field on to let the begin repeating transmission + TurnReadLFOn(20*1000); +} - if (i >= bufferlength) break; - } - } +/*-------------- Cloning routines -----------*/ - cmd_send(CMD_ACK,0,0,0,0,0); - FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off - LED_D_OFF(); +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); + } } -/*-------------- Cloning routines -----------*/ // 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){ + if (longFMT) { // Ensure no more than 84 bits supplied if (hi2>0xFFFFF) { DbpString("Tags can only have 84 bits."); @@ -1298,140 +1251,100 @@ 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)<> 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 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, 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); + + WriteT55xx(data, 0, 3); 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!"); - -} - -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!"); - -} - - -#define abs(x) ( ((x)<0) ? -(x) : (x) ) -#define max(x,y) ( x GraphBuffer[0]) { - while(i < GraphTraceLen) { - if( !(GraphBuffer[i] > GraphBuffer[i-1]) && GraphBuffer[i] > lmax) - break; - i++; - } - dir = 0; - } - else { - while(i < GraphTraceLen) { - if( !(GraphBuffer[i] < GraphBuffer[i-1]) && GraphBuffer[i] < lmin) - break; - i++; - } - dir = 1; - } - - lastval = i++; - half_switch = 0; - pmc = 0; - block_done = 0; - - for (bitidx = 0; i < GraphTraceLen; i++) - { - if ( (GraphBuffer[i-1] > GraphBuffer[i] && dir == 1 && GraphBuffer[i] > lmax) || (GraphBuffer[i-1] < GraphBuffer[i] && dir == 0 && GraphBuffer[i] < lmin)) - { - lc = i - lastval; - lastval = i; - - // Switch depending on lc length: - // Tolerance is 1/8 of clock rate (arbitrary) - if (abs(lc-clock/4) < tolerance) { - // 16T0 - if((i - pmc) == lc) { /* 16T0 was previous one */ - /* It's a PMC ! */ - i += (128+127+16+32+33+16)-1; - lastval = i; - pmc = 0; - block_done = 1; - } - else { - pmc = i; - } - } else if (abs(lc-clock/2) < tolerance) { - // 32TO - if((i - pmc) == lc) { /* 16T0 was previous one */ - /* It's a PMC ! */ - i += (128+127+16+32+33)-1; - lastval = i; - pmc = 0; - block_done = 1; - } - else if(half_switch == 1) { - BitStream[bitidx++] = 0; - half_switch = 0; - } - else - half_switch++; - } else if (abs(lc-clock) < tolerance) { - // 64TO - BitStream[bitidx++] = 1; - } else { - // Error - warnings++; - if (warnings > 10) - { - Dbprintf("Error: too many detection errors, aborting."); - return 0; - } - } - - if(block_done == 1) { - if(bitidx == 128) { - for(j=0; j<16; j++) { - Blocks[num_blocks][j] = 128*BitStream[j*8+7]+ - 64*BitStream[j*8+6]+ - 32*BitStream[j*8+5]+ - 16*BitStream[j*8+4]+ - 8*BitStream[j*8+3]+ - 4*BitStream[j*8+2]+ - 2*BitStream[j*8+1]+ - BitStream[j*8]; - } - num_blocks++; - } - bitidx = 0; - block_done = 0; - half_switch = 0; - } - if(i < GraphTraceLen) - { - if (GraphBuffer[i-1] > GraphBuffer[i]) dir=0; - else dir = 1; - } - } - if(bitidx==255) - bitidx=0; - warnings = 0; - if(num_blocks == 4) break; - } - memcpy(outBlocks, Blocks, 16*num_blocks); - return num_blocks; -} - -int IsBlock0PCF7931(uint8_t *Block) { - // Assume RFU means 0 :) - if((memcmp(Block, "\x00\x00\x00\x00\x00\x00\x00\x01", 8) == 0) && memcmp(Block+9, "\x00\x00\x00\x00\x00\x00\x00", 7) == 0) // PAC enabled - return 1; - if((memcmp(Block+9, "\x00\x00\x00\x00\x00\x00\x00", 7) == 0) && Block[7] == 0) // PAC disabled, can it *really* happen ? - return 1; - return 0; -} - -int IsBlock1PCF7931(uint8_t *Block) { - // Assume RFU means 0 :) - if(Block[10] == 0 && Block[11] == 0 && Block[12] == 0 && Block[13] == 0) - if((Block[14] & 0x7f) <= 9 && Block[15] <= 9) - return 1; - - return 0; -} - -#define ALLOC 16 - -void ReadPCF7931() { - uint8_t Blocks[8][17]; - uint8_t tmpBlocks[4][16]; - int i, j, ind, ind2, n; - int num_blocks = 0; - int max_blocks = 8; - int ident = 0; - int error = 0; - int tries = 0; - - memset(Blocks, 0, 8*17*sizeof(uint8_t)); - - do { - memset(tmpBlocks, 0, 4*16*sizeof(uint8_t)); - n = DemodPCF7931((uint8_t**)tmpBlocks); - if(!n) - error++; - if(error==10 && num_blocks == 0) { - Dbprintf("Error, no tag or bad tag"); - return; - } - else if (tries==20 || error==10) { - Dbprintf("Error reading the tag"); - Dbprintf("Here is the partial content"); - goto end; - } - - for(i=0; i= 0; ind--,ind2--) { - if(ind2 < 0) - ind2 = max_blocks; - if(!Blocks[ind2][ALLOC]) { // Block ind2 not already found - // Dbprintf("Tmp %d -> Block %d", ind, ind2); - memcpy(Blocks[ind2], tmpBlocks[ind], 16); - Blocks[ind2][ALLOC] = 1; - num_blocks++; - if(num_blocks == max_blocks) goto end; - } - } - for(ind=i+1,ind2=j+1; ind < n; ind++,ind2++) { - if(ind2 > max_blocks) - ind2 = 0; - if(!Blocks[ind2][ALLOC]) { // Block ind2 not already found - // Dbprintf("Tmp %d -> Block %d", ind, ind2); - memcpy(Blocks[ind2], tmpBlocks[ind], 16); - Blocks[ind2][ALLOC] = 1; - num_blocks++; - if(num_blocks == max_blocks) goto end; - } - } - } - } - } - } - } - tries++; - if (BUTTON_PRESS()) return; - } while (num_blocks != max_blocks); - end: - Dbprintf("-----------------------------------------"); - Dbprintf("Memory content:"); - Dbprintf("-----------------------------------------"); - for(i=0; i", i); - } - Dbprintf("-----------------------------------------"); - - return ; -} - - //----------------------------------- // EM4469 / EM4305 routines //----------------------------------- @@ -1853,7 +1436,6 @@ void ReadPCF7931() { #define FWD_CMD_READ 0x9 #define FWD_CMD_DISABLE 0x5 - uint8_t forwardLink_data[64]; //array of forwarded bits uint8_t * forward_ptr; //ptr for forward message preparation uint8_t fwd_bit_sz; //forwardlink bit counter @@ -1864,8 +1446,15 @@ 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 ) { - //-------------------------------------------------------------------- *forward_ptr++ = 0; //start bit *forward_ptr++ = 0; //second pause for 4050 code @@ -1885,10 +1474,7 @@ uint8_t Prepare_Cmd( uint8_t cmd ) { // prepares address bits // see EM4469 spec //==================================================================== - -//-------------------------------------------------------------------- uint8_t Prepare_Addr( uint8_t addr ) { - //-------------------------------------------------------------------- register uint8_t line_parity; @@ -1909,10 +1495,7 @@ uint8_t Prepare_Addr( uint8_t addr ) { // prepares data bits intreleaved with parity bits // see EM4469 spec //==================================================================== - -//-------------------------------------------------------------------- uint8_t Prepare_Data( uint16_t data_low, uint16_t data_hi) { - //-------------------------------------------------------------------- register uint8_t line_parity; register uint8_t column_parity; @@ -1956,21 +1539,14 @@ void SendForward(uint8_t fwd_bit_count) { LED_D_ON(); - //Field on - FpgaDownloadAndGo(FPGA_BITSTREAM_LF); - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD); - - // Give it a bit of time for the resonant antenna to settle. - // And for the tag to fully power up - SpinDelay(150); + // Set up FPGA, 125kHz + LFSetupFPGAForADC(95, true); // force 1st mod pulse (start gap must be longer for 4305) fwd_bit_sz--; //prepare next bit modulation fwd_write_ptr++; FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off SpinDelayUs(55*8); //55 cycles off (8us each)for 4305 - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on SpinDelayUs(16*8); //16 cycles on (8us each) @@ -1982,7 +1558,6 @@ void SendForward(uint8_t fwd_bit_count) { //These timings work for 4469/4269/4305 (with the 55*8 above) FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off SpinDelayUs(23*8); //16-4 cycles off (8us each) - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on SpinDelayUs(9*8); //16 cycles on (8us each) } @@ -2001,14 +1576,17 @@ void EM4xLogin(uint32_t Password) { //Wait for command to complete SpinDelay(20); - } void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) { uint8_t fwd_bit_count; uint8_t *dest = BigBuf_get_addr(); - int m=0, i=0; + uint16_t bufferlength = BigBuf_max_traceLen(); + uint32_t i = 0; + + // Clear destination buffer before sending the command + BigBuf_Clear_ext(false); //If password mode do login if (PwdMode == 1) EM4xLogin(Pwd); @@ -2017,9 +1595,6 @@ void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) { fwd_bit_count = Prepare_Cmd( FWD_CMD_READ ); fwd_bit_count += Prepare_Addr( Address ); - m = BigBuf_max_traceLen(); - // Clear destination buffer before sending the command - memset(dest, 128, m); // Connect the A/D to the peak-detected low-frequency path. SetAdcMuxFor(GPIO_MUXSEL_LOPKD); // Now set up the SSC to get the ADC samples that are now streaming at us. @@ -2036,10 +1611,11 @@ void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) { if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) { dest[i] = (uint8_t)AT91C_BASE_SSC->SSC_RHR; i++; - if (i >= m) break; + if (i >= bufferlength) break; } } FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off + cmd_send(CMD_ACK,0,0,0,0,0); LED_D_OFF(); }