X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c2c7f6c271b33c6d95aa47f339fe6d47c433d8d5..99cf19d9e8b450422f61c467751e8570537ab718:/client/cmddata.c
diff --git a/client/cmddata.c b/client/cmddata.c
index e85b3a6c..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)
@@ -1515,14 +1523,13 @@ int CmdFDXBdemodBI(const char *Cmd){
uint32_t crc16 = bytebits_to_byteLSBF(BitStream+64,16);
uint32_t extended = bytebits_to_byteLSBF(BitStream+80,24);
- uint64_t rawid = ((uint64_t)bytebits_to_byteLSBF(BitStream,32)<<32) | bytebits_to_byteLSBF(BitStream+32,32);
+ uint64_t rawid = ((uint64_t)bytebits_to_byte(BitStream,32)<<32) | bytebits_to_byte(BitStream+32,32);
uint8_t raw[8];
num_to_bytes(rawid, 8, raw);
- uint8_t *raw_ptr = SwapEndian64(raw, 8, 4);
- if (g_debugMode) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw_ptr,8));
+ if (g_debugMode) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw,8));
- uint16_t calcCrc = crc16_ccitt_kermit(raw_ptr, 8);
+ uint16_t calcCrc = crc16_ccitt_kermit(raw, 8);
PrintAndLog("Animal ID: %04u-%012llu", countryCode, NationalCode);
PrintAndLog("National Code: %012llu", NationalCode);
PrintAndLog("CountryCode: %04u", countryCode);
@@ -1549,12 +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
@@ -1950,7 +1957,7 @@ typedef struct {
uint8_t * buffer;
uint32_t numbits;
uint32_t position;
-}BitstreamOut;
+} BitstreamOut;
bool _headBit( BitstreamOut *stream)
{