size = MAX_DEMOD_BUF_LEN;
size_t i = 0;
-for (; i < size; i++){
+ for (; i < size; i++){
DemodBuffer[i]=buff[startIdx++];
}
DemodBufferLen=size;
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();
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;
- }
+ 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];
+ 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 DemodBuffer
- size_t size = DemodBufferLen;
- uint8_t BitStream[MAX_DEMOD_BUF_LEN];
- memcpy(BitStream, DemodBuffer, DemodBufferLen);
- int errCnt = BiphaseRawDecode(BitStream, &size, offset, invert);
+ //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;
//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;
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);