X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/3000dc4e7e72dd8661d174f7bcde511ff73eb99f..4973f23d3c2d2086ec694a13602b21a19726ab49:/armsrc/BigBuf.c diff --git a/armsrc/BigBuf.c b/armsrc/BigBuf.c index 1b5e5482..703ade65 100644 --- a/armsrc/BigBuf.c +++ b/armsrc/BigBuf.c @@ -183,3 +183,57 @@ bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_ return TRUE; } +int LogTraceHitag(const uint8_t * btBytes, int iBits, int iSamples, uint32_t dwParity, int readerToTag) +{ + /** + Todo, rewrite the logger to use the generic functionality instead. It should be noted, however, + that this logger takes number of bits as argument, not number of bytes. + **/ + + if (!tracing) return FALSE; + + uint8_t *trace = BigBuf_get_addr(); + uint16_t iLen = nbytes(iBits); + // Return when trace is full + if (traceLen + sizeof(rsamples) + sizeof(dwParity) + sizeof(iBits) + iLen > BigBuf_max_traceLen()) return FALSE; + + //Hitag traces appear to use this traceformat: + // 32 bits timestamp (little endian,Highest Bit used as readerToTag flag) + // 32 bits parity + // 8 bits size (number of bits in the trace entry, not number of bytes) + // y Bytes data + + rsamples += iSamples; + trace[traceLen++] = ((rsamples >> 0) & 0xff); + trace[traceLen++] = ((rsamples >> 8) & 0xff); + trace[traceLen++] = ((rsamples >> 16) & 0xff); + trace[traceLen++] = ((rsamples >> 24) & 0xff); + + if (!readerToTag) { + trace[traceLen - 1] |= 0x80; + } + + trace[traceLen++] = ((dwParity >> 0) & 0xff); + trace[traceLen++] = ((dwParity >> 8) & 0xff); + trace[traceLen++] = ((dwParity >> 16) & 0xff); + trace[traceLen++] = ((dwParity >> 24) & 0xff); + trace[traceLen++] = iBits; + + memcpy(trace + traceLen, btBytes, iLen); + traceLen += iLen; + + return TRUE; +} +// Emulator memory +uint8_t emlSet(uint8_t *data, uint32_t offset, uint32_t length){ + uint8_t* mem = BigBuf_get_EM_addr(); + if(offset+length < CARD_MEMORY_SIZE) + { + memcpy(mem+offset, data, length); + return 0; + }else + { + Dbprintf("Error, trying to set memory outside of bounds! %d > %d", (offset+length), CARD_MEMORY_SIZE); + return 1; + } +}