uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
uint8_t g_debugMode=0;
size_t DemodBufferLen=0;
+int g_DemodStartIdx=0;
+int g_DemodClock=0;
static int CmdHelp(const char *Cmd);
return 0;
}
if (verbose || g_debugMode) PrintAndLog("\nUsing Clock:%d, Invert:%d, Bits Found:%d",clk,invert,BitLen);
-
//output
setDemodBuf(BitStream,BitLen,0);
setClockGrid(clk, startIdx);
}
bool st = true;
if (Cmd[0]=='s')
- return ASKDemod_ext(Cmd++, true, true, 1, &st);
+ return ASKDemod_ext(Cmd++, true, false, 1, &st);
else if (Cmd[1] == 's')
- return ASKDemod_ext(Cmd+=2, true, true, 1, &st);
+ return ASKDemod_ext(Cmd+=2, true, false, 1, &st);
else
- return ASKDemod(Cmd, true, true, 1);
+ return ASKDemod(Cmd, true, false, 1);
}
//by marshmellow
uint8_t BitStream[MAX_DEMOD_BUF_LEN]={0};
size = sizeof(BitStream);
if ( !getDemodBuf(BitStream, &size) ) return 0;
- errCnt=BiphaseRawDecode(BitStream, &size, offset, invert);
+ errCnt=BiphaseRawDecode(BitStream, &size, &offset, invert);
if (errCnt<0){
PrintAndLog("Error during decode:%d", errCnt);
return 0;
if (errCnt>0){
PrintAndLog("# Errors found during Demod (shown as 7 in bit stream): %d",errCnt);
}
+
PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset,invert);
PrintAndLog("%s", sprint_bin_break(BitStream, size, 16));
if (offset) setDemodBuf(DemodBuffer,DemodBufferLen-offset, offset); //remove first bit from raw demod
+ setClockGrid(g_DemodClock, g_DemodStartIdx + g_DemodClock*offset/2);
return 1;
}
sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr);
uint8_t BitStream[MAX_GRAPH_TRACE_LEN];
- size_t size = getFromGraphBuf(BitStream);
+ size_t size = getFromGraphBuf(BitStream);
+ int startIdx = 0;
//invert here inverts the ask raw demoded bits which has no effect on the demod, but we need the pointer
- int errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0);
+ int errCnt = askdemod_ext(BitStream, &size, &clk, &invert, maxErr, 0, 0, &startIdx);
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);
+ errCnt = BiphaseRawDecode(BitStream, &size, &offset, invert);
if (errCnt < 0){
if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt);
return 0;
- }
+ }
if (errCnt > maxErr) {
if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode too many errors: %d", errCnt);
return 0;
}
//success set DemodBuffer and return
setDemodBuf(BitStream, size, 0);
+ setClockGrid(clk, startIdx + clk*offset/2);
if (g_debugMode || verbose){
PrintAndLog("Biphase Decoded using offset: %d - clock: %d - # errors:%d - data:",offset,clk,errCnt);
printDemodBuff();
if (size > 0) {
setDemodBuf(BitStream,size,0);
setClockGrid(rfLen, startIdx);
-
+
// Now output the bitstream to the scrollback by line of 16 bits
if (verbose || g_debugMode) {
PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", (unsigned int)rfLen, (unsigned int)invert, (unsigned int)fchigh, (unsigned int)fclow);
}
void setClockGrid(int clk, int offset) {
+ g_DemodStartIdx = offset;
+ g_DemodClock = clk;
+ PrintAndLog("demodoffset %d, clk %d",offset,clk);
if (offset > clk) offset %= clk;
if (offset < 0) offset += clk;
GraphTraceLen = n;
}
+ setClockGrid(0,0);
RepaintGraphWindow();
return 0;
}
}
fclose(f);
PrintAndLog("loaded %d samples", GraphTraceLen);
+ setClockGrid(0,0);
RepaintGraphWindow();
return 0;
}