X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6c68b84a6e2dfc8657660c2d939ad3fd8ad096a8..e31a0f736ed6cedd58437e686f3ba651935df527:/armsrc/lfops.c diff --git a/armsrc/lfops.c b/armsrc/lfops.c index 5c074c3a..8b7e98fc 100644 --- a/armsrc/lfops.c +++ b/armsrc/lfops.c @@ -22,33 +22,32 @@ /** * Function to do a modulation and then get samples. * @param delay_off - * @param period_0 - * @param period_1 + * @param periods 0xFFFF0000 is period_0, 0x0000FFFF is period_1 + * @param useHighFreg * @param command */ -void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t period_0, uint32_t period_1, uint8_t *command) +void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t periods, uint32_t useHighFreq, uint8_t *command) { + /* Make sure the tag is reset */ + FpgaDownloadAndGo(FPGA_BITSTREAM_LF); + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + SpinDelay(200); - int divisor_used = 95; // 125 KHz - // see if 'h' was specified - - if (command[strlen((char *) command) - 1] == 'h') - divisor_used = 88; // 134.8 KHz - + uint16_t period_0 = periods >> 16; + uint16_t period_1 = periods & 0xFFFF; + + // 95 == 125 KHz 88 == 124.8 KHz + int divisor_used = (useHighFreq) ? 88 : 95; sample_config sc = { 0,0,1, divisor_used, 0}; setSamplingConfig(&sc); + //clear read buffer BigBuf_Clear_keep_EM(); - /* Make sure the tag is reset */ - FpgaDownloadAndGo(FPGA_BITSTREAM_LF); - FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - SpinDelay(2500); - LFSetupFPGAForADC(sc.divisor, 1); // And a little more time for the tag to fully power up - SpinDelay(2000); + SpinDelay(50); // now modulate the reader field while(*command != '\0' && *command != ' ') { @@ -68,7 +67,6 @@ void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t period_0, uint LED_D_OFF(); SpinDelayUs(delay_off); FpgaSendCommand(FPGA_CMD_SET_DIVISOR, sc.divisor); - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD); // now do the read @@ -270,7 +268,7 @@ void AcquireTiType(void) AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(32) | AT91C_SSC_MSBF; AT91C_BASE_SSC->SSC_TCMR = 0; AT91C_BASE_SSC->SSC_TFMR = 0; - + // iceman, FpgaSetupSsc() ?? the code above? can it be replaced? LED_D_ON(); // modulate antenna @@ -870,7 +868,6 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol) 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 @@ -880,37 +877,51 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol) // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000 // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx // |26 bit| |-117--| |-----142------| + // + // 00110010 0 0000011111010000000000000001000100101000100001111 0 00000000 + // bbbbbbbb w ffffffffffffffffccccccccccccccccccccccccccccccccc w xxxxxxxx + // |50 bit| |----4000------||-----------2248975-------------| + // // 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); - } + switch(fmtLen) { + case 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: %u - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo); + break; + case 50: + fc = bytebits_to_byte(dest + 9, 16); + cardnum = bytebits_to_byte(dest + 25, 32); + code1 = bytebits_to_byte(dest + 8, (fmtLen-32) ); + code2 = bytebits_to_byte(dest + 8 + (fmtLen-32), 32); + Dbprintf("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo); + break; + default: + if (fmtLen > 32 ) { + cardnum = bytebits_to_byte(dest+8+(fmtLen-17), 16); + code1 = bytebits_to_byte(dest+8,fmtLen-32); + code2 = bytebits_to_byte(dest+8+(fmtLen-32),32); + Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo); + } else { + cardnum = bytebits_to_byte(dest+8+(fmtLen-17), 16); + code1 = bytebits_to_byte(dest+8,fmtLen); + Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); + } + break; } if (findone){ if (ledcontrol) LED_A_OFF(); return; } - // reset idx = 0; WDT_HIT(); } @@ -993,7 +1004,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol) //clear read buffer BigBuf_Clear_keep_EM(); -// Configure to go in 125Khz listen mode + // Configure to go in 125Khz listen mode LFSetupFPGAForADC(95, true); while(!BUTTON_PRESS() && !usb_poll_validate_length()) { @@ -1332,15 +1343,14 @@ void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) { void CopyIOtoT55x7(uint32_t hi, uint32_t lo) { uint32_t data[] = {T55x7_BITRATE_RF_64 | T55x7_MODULATION_FSK2a | (2 << T55x7_MAXBLOCK_SHIFT), hi, lo}; //TODO add selection of chip for Q5 or T55x7 - // data[0] = (((64-2)/2)<>1; //n = (RF-2)/2 data[0] = (clock << T5555_BITRATE_SHIFT) | T5555_MODULATION_MANCHESTER | (2 << T5555_MAXBLOCK_SHIFT); } - + WriteT55xx(data, 0, 3); LED_D_OFF();