X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/07b5a3c3ba774ec93007827cf1233b4edb699bad..f53020e729d583f7975095ca7b4b467741d99edb:/client/cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index cf105f88..4eca030d 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -41,7 +41,7 @@ void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx)
 		size = MAX_DEMOD_BUF_LEN;
 
 	size_t i = 0;
-for (; i < size; i++){
+	for (; i < size; i++){
 		DemodBuffer[i]=buff[startIdx++];
 	}
 	DemodBufferLen=size;
@@ -344,8 +344,8 @@ int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType)
 	setDemodBuf(BitStream,BitLen,0);
 	if (verbose || g_debugMode){
 		if (errCnt>0) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt);
-		if (askType) PrintAndLog("ASK/Manchester decoded bitstream:");
-		else PrintAndLog("ASK/Raw decoded bitstream:");
+		if (askType) PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk);
+		else PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk);
 		// Now output the bitstream to the scrollback by line of 16 bits
 		printDemodBuff();
 		
@@ -392,7 +392,7 @@ int Cmdmandecoderaw(const char *Cmd)
 	int errCnt=0;
 	size_t size=0;
 	int invert=0;
-	size_t maxErr = 20;
+	int maxErr = 20;
 	char cmdp = param_getchar(Cmd, 0);
 	if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H') {
 		PrintAndLog("Usage:  data manrawdecode [invert] [maxErr]");
@@ -498,22 +498,19 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
 int ASKbiphaseDemod(const char *Cmd, bool verbose)
 {
 	//ask raw demod GraphBuffer first
-	int offset=0, clk=0, invert=0, maxErr=0, ans=0;
-	ans = sscanf(Cmd, "%i %i 0 %i", &offset, &clk, &maxErr);
-	if (ans>0)
-		ans = ASKDemod(Cmd+2, FALSE, FALSE, 0);
-	else
-		ans = ASKDemod(Cmd, FALSE, FALSE, 0);
-	if (!ans) {
-		if (g_debugMode || verbose) PrintAndLog("Error AskDemod: %d", ans);
-		return 0;
-	}
-
-	//attempt to Biphase decode DemodBuffer
-	size_t size = DemodBufferLen;
+	int offset=0, clk=0, invert=0, maxErr=0;
+	sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr);
+	
 	uint8_t BitStream[MAX_DEMOD_BUF_LEN];
-	memcpy(BitStream, DemodBuffer, DemodBufferLen); 
-	int errCnt = BiphaseRawDecode(BitStream, &size, offset, invert);
+	size_t size = getFromGraphBuf(BitStream);	  
+	int errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0);  
+	if ( errCnt < 0 || errCnt > maxErr ) {   
+		if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk);  
+			return 0;  
+	} 
+
+	//attempt to Biphase decode BitStream
+	errCnt = BiphaseRawDecode(BitStream, &size, offset, invert);
 	if (errCnt < 0){
 		if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt);
 		return 0;
@@ -525,7 +522,7 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose)
 	//success set DemodBuffer and return
 	setDemodBuf(BitStream, size, 0);
 	if (g_debugMode || verbose){
-		PrintAndLog("Biphase Decoded using offset: %d - # errors:%d - data:",offset,errCnt);
+		PrintAndLog("Biphase Decoded using offset: %d - clock: %d - # errors:%d - data:",offset,clk,errCnt);
 		printDemodBuff();
 	}
 	return 1;
@@ -1464,6 +1461,17 @@ int CmdFSKdemodPyramid(const char *Cmd)
 // NATIONAL CODE, ICAR database
 // COUNTRY CODE (ISO3166) or http://cms.abvma.ca/uploads/ManufacturersISOsandCountryCodes.pdf
 // FLAG (animal/non-animal)
+/*
+38 IDbits   
+10 country code 
+1 extra app bit
+14 reserved bits
+1 animal bit
+16 ccitt CRC chksum over 64bit ID CODE.
+24 appli bits.
+
+-- sample: 985121004515220  [ 37FF65B88EF94 ]
+*/
 int CmdFDXBdemodBI(const char *Cmd){
 
 	int invert = 1;
@@ -1484,13 +1492,13 @@ int CmdFDXBdemodBI(const char *Cmd){
 		if (g_debugMode) PrintAndLog("Error BiphaseRawDecode: %d", errCnt);
 		return 0;
 	} 
-
+	
 	int preambleIndex = FDXBdemodBI(BitStream, &size);
 	if (preambleIndex < 0){
 		if (g_debugMode) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex);
 		return 0;
 	}
-
+	
 	setDemodBuf(BitStream, 128, preambleIndex);
 
 	// remove but don't verify parity. (pType = 2)
@@ -1548,12 +1556,12 @@ int PSKDemod(const char *Cmd, bool verbose)
 		clk=0;
 	}
 	if (invert != 0 && invert != 1) {
-		if (verbose) PrintAndLog("Invalid argument: %s", Cmd);
+		if (g_debugMode || verbose) PrintAndLog("Invalid argument: %s", Cmd);
 		return 0;
 	}
 	uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
 	size_t BitLen = getFromGraphBuf(BitStream);
-	if (BitLen==0) return -1;
+	if (BitLen==0) return 0;
 	uint8_t carrier=countFC(BitStream, BitLen, 0);
 	if (carrier!=2 && carrier!=4 && carrier!=8){
 		//invalid carrier
@@ -1949,7 +1957,7 @@ typedef struct {
 	uint8_t * buffer;
 	uint32_t numbits;
 	uint32_t position;
-}BitstreamOut;
+} BitstreamOut;
 
 bool _headBit( BitstreamOut *stream)
 {