X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/e30c654b196a87a13ae7f7d4ced930b296c038ec..7f7e715756785097c9290b06d20e8c4d12e0a27b:/armsrc/lfops.c?ds=sidebyside diff --git a/armsrc/lfops.c b/armsrc/lfops.c index e4ebacb0..7127bfdc 100644 --- a/armsrc/lfops.c +++ b/armsrc/lfops.c @@ -1,15 +1,21 @@ //----------------------------------------------------------------------------- +// This code is licensed to you under the terms of the GNU GPL, version 2 or, +// at your option, any later version. See the LICENSE.txt file for the text of +// the license. +//----------------------------------------------------------------------------- // Miscellaneous routines for low frequency tag operations. // Tags supported here so far are Texas Instruments (TI), HID // Also routines for raw mode reading/simulating of LF waveform -// //----------------------------------------------------------------------------- + #include "proxmark3.h" #include "apps.h" +#include "util.h" #include "hitag2.h" #include "crc16.h" +#include "string.h" -void AcquireRawAdcSamples125k(BOOL at134khz) +void AcquireRawAdcSamples125k(int at134khz) { if (at134khz) FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 88); //134.8Khz @@ -34,7 +40,7 @@ void AcquireRawAdcSamples125k(BOOL at134khz) // split into two routines so we can avoid timing issues after sending commands // void DoAcquisition125k(void) { - BYTE *dest = (BYTE *)BigBuf; + uint8_t *dest = (uint8_t *)BigBuf; int n = sizeof(BigBuf); int i; @@ -46,7 +52,7 @@ void DoAcquisition125k(void) LED_D_ON(); } if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) { - dest[i] = (BYTE)AT91C_BASE_SSC->SSC_RHR; + dest[i] = (uint8_t)AT91C_BASE_SSC->SSC_RHR; i++; LED_D_OFF(); if (i >= n) break; @@ -56,9 +62,9 @@ void DoAcquisition125k(void) dest[0], dest[1], dest[2], dest[3], dest[4], dest[5], dest[6], dest[7]); } -void ModThenAcquireRawAdcSamples125k(int delay_off, int period_0, int period_1, BYTE *command) +void ModThenAcquireRawAdcSamples125k(int delay_off, int period_0, int period_1, uint8_t *command) { - BOOL at134khz; + int at134khz; /* Make sure the tag is reset */ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); @@ -141,13 +147,13 @@ void ReadTItag(void) // int n = GraphTraceLen; // 128 bit shift register [shift3:shift2:shift1:shift0] - DWORD shift3 = 0, shift2 = 0, shift1 = 0, shift0 = 0; + uint32_t shift3 = 0, shift2 = 0, shift1 = 0, shift0 = 0; int i, cycles=0, samples=0; // how many sample points fit in 16 cycles of each frequency - DWORD sampleslo = (FSAMPLE<<4)/FREQLO, sampleshi = (FSAMPLE<<4)/FREQHI; + uint32_t sampleslo = (FSAMPLE<<4)/FREQLO, sampleshi = (FSAMPLE<<4)/FREQHI; // when to tell if we're close enough to one freq or another - DWORD threshold = (sampleslo - sampleshi + 1)>>1; + uint32_t threshold = (sampleslo - sampleshi + 1)>>1; // TI tags charge at 134.2Khz FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 88); //134.8Khz @@ -236,7 +242,7 @@ void ReadTItag(void) // i'm 99% sure the crc algorithm is correct, but it may need to eat the // bytes in reverse or something // calculate CRC - DWORD crc=0; + uint32_t crc=0; crc = update_crc16(crc, (shift0)&0xff); crc = update_crc16(crc, (shift0>>8)&0xff); @@ -257,7 +263,7 @@ void ReadTItag(void) } } -void WriteTIbyte(BYTE b) +void WriteTIbyte(uint8_t b) { int i = 0; @@ -286,7 +292,7 @@ void AcquireTiType(void) { int i, j, n; // tag transmission is <20ms, sampling at 2M gives us 40K samples max - // each sample is 1 bit stuffed into a DWORD so we need 1250 DWORDS + // each sample is 1 bit stuffed into a uint32_t so we need 1250 uint32_t #define TIBUFLEN 1250 // clear buffer @@ -355,7 +361,7 @@ void AcquireTiType(void) // arguments: 64bit data split into 32bit idhi:idlo and optional 16bit crc // if crc provided, it will be written with the data verbatim (even if bogus) // if not provided a valid crc will be computed from the data and written. -void WriteTItag(DWORD idhi, DWORD idlo, WORD crc) +void WriteTItag(uint32_t idhi, uint32_t idlo, uint16_t crc) { if(crc == 0) { crc = update_crc16(crc, (idlo)&0xff); @@ -426,7 +432,7 @@ void WriteTItag(DWORD idhi, DWORD idlo, WORD crc) void SimulateTagLowFrequency(int period, int gap, int ledcontrol) { int i; - BYTE *tab = (BYTE *)BigBuf; + uint8_t *tab = (uint8_t *)BigBuf; FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_SIMULATOR); @@ -673,7 +679,7 @@ static void hitag_handle_frame(int t0, int frame_len, char *frame) // compose fc/8 fc/10 waveform static void fc(int c, int *n) { - BYTE *dest = (BYTE *)BigBuf; + uint8_t *dest = (uint8_t *)BigBuf; int idx; // for when we want an fc8 pattern every 4 logical bits @@ -778,9 +784,9 @@ void CmdHIDsimTAG(int hi, int lo, int ledcontrol) // loop to capture raw HID waveform then FSK demodulate the TAG ID from it void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol) { - BYTE *dest = (BYTE *)BigBuf; + uint8_t *dest = (uint8_t *)BigBuf; int m=0, n=0, i=0, idx=0, found=0, lastval=0; - DWORD hi=0, lo=0; + uint32_t hi=0, lo=0; FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER); @@ -815,7 +821,7 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol) LED_D_ON(); } if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { - dest[i] = (BYTE)AT91C_BASE_SSC->SSC_RHR; + dest[i] = (uint8_t)AT91C_BASE_SSC->SSC_RHR; // we don't care about actual value, only if it's more or less than a // threshold essentially we capture zero crossings for later analysis if(dest[i] < 127) dest[i] = 0; else dest[i] = 1;