X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/3000dc4e7e72dd8661d174f7bcde511ff73eb99f..7b47fa9b3de06f85be30391da013b2b031513cec:/armsrc/BigBuf.c?ds=sidebyside

diff --git a/armsrc/BigBuf.c b/armsrc/BigBuf.c
index 1b5e5482..2fb50a47 100644
--- a/armsrc/BigBuf.c
+++ b/armsrc/BigBuf.c
@@ -171,15 +171,72 @@ bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_
 	traceLen += iLen;
 
 	// parity bytes
-	if (parity != NULL && iLen != 0) {
+	if (iLen != 0) {
+		if (parity != NULL) {
 		memcpy(trace + traceLen, parity, num_paritybytes);
+		} else {
+			memset(trace + traceLen, 0x00, num_paritybytes);
+		}
 	}
 	traceLen += num_paritybytes;
 
-	if(traceLen +4 < max_traceLen)
-	{	//If it hadn't been cleared, for whatever reason..
-		memset(trace+traceLen,0x44, 4);
+	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;
+	}
+}