FIX: data plot AutoCorrelate slider, window too big, now limited to number of samples.

enhanced debugstatements,
'lf em 410x_demod' vs 'lf em 410x_read'   now read does the same as all other LF,  and demod too...
This commit is contained in:
iceman1001 2017-07-30 21:21:02 +02:00
commit 91898babc0
9 changed files with 250 additions and 298 deletions

View file

@ -299,15 +299,14 @@ int CmdSetDebugMode(const char *Cmd) {
//by marshmellow
// max output to 512 bits if we have more - should be plenty
void printDemodBuff(void) {
int bitLen = DemodBufferLen;
if (bitLen < 1) {
PrintAndLog("no bits found in demod buffer");
int len = DemodBufferLen;
if (len < 1) {
PrintAndLog("(printDemodBuff) no bits found in demod buffer");
return;
}
if (bitLen > 512) bitLen = 512;
if (len > 512) len = 512;
char *bin = sprint_bin_break(DemodBuffer, bitLen,16);
PrintAndLog("%s",bin);
PrintAndLog("%s", sprint_bin_break(DemodBuffer, len, 16) );
}
int CmdPrintDemodBuff(const char *Cmd) {
@ -392,20 +391,29 @@ int ASKDemod_ext(const char *Cmd, bool verbose, bool emSearch, uint8_t askType,
uint8_t askamp = 0;
char amp = param_getchar(Cmd, 0);
uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0};
sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &amp);
if (!maxLen) maxLen = BIGBUF_SIZE;
if (!maxLen) maxLen = MAX_GRAPH_TRACE_LEN;
if (invert != 0 && invert != 1) {
PrintAndLog("Invalid argument: %s", Cmd);
return 0;
}
if (clk==1){
invert=1;
clk=0;
if (clk == 1) {
invert = 1;
clk = 0;
}
size_t BitLen = getFromGraphBuf(BitStream);
if (g_debugMode) PrintAndLog("DEBUG: Bitlen from grphbuff: %d", BitLen);
if (BitLen<255) return 0;
if (maxLen<BitLen && maxLen != 0) BitLen = maxLen;
if (g_debugMode) PrintAndLog("DEBUG: (ASKDemod_ext) Bitlen from grphbuff: %d", BitLen);
if (BitLen < 255) return 0;
if (maxLen < BitLen && maxLen != 0) BitLen = maxLen;
int foundclk = 0;
//amp before ST check
if (amp == 'a' || amp == 'A')
@ -414,31 +422,39 @@ int ASKDemod_ext(const char *Cmd, bool verbose, bool emSearch, uint8_t askType,
bool st = false;
size_t ststart = 0, stend = 0;
if (*stCheck) st = DetectST(BitStream, &BitLen, &foundclk, &ststart, &stend);
if (st) {
*stCheck = st;
clk = (clk == 0) ? foundclk : clk;
CursorCPos = ststart;
CursorDPos = stend;
if (verbose || g_debugMode) PrintAndLog("\nFound Sequence Terminator - First one is shown by orange and blue graph markers");
if (verbose || g_debugMode)
PrintAndLog("Found Sequence Terminator - First one is shown by orange and blue graph markers");
}
int startIdx = 0;
int errCnt = askdemod_ext(BitStream, &BitLen, &clk, &invert, maxErr, askamp, askType, &startIdx);
if (errCnt<0 || BitLen<16){ //if fatal error (or -1)
if (g_debugMode) PrintAndLog("DEBUG: no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);
if (errCnt < 0 || BitLen < 16){ //if fatal error (or -1)
if (g_debugMode)
PrintAndLog("DEBUG: (ASKDemod_ext) No data found errors:%d, invert:%d, bitlen:%d, clock:%d", errCnt, invert, BitLen, clk);
return 0;
}
if (errCnt > maxErr){
if (g_debugMode) PrintAndLog("DEBUG: Too many errors found, errors:%d, bits:%d, clock:%d",errCnt, BitLen, clk);
if (g_debugMode)
PrintAndLog("DEBUG: (ASKDemod_ext) Too many errors found, errors:%d, bits:%d, clock:%d", errCnt, BitLen, clk);
return 0;
}
if (verbose || g_debugMode) PrintAndLog("\nUsing Clock:%d, Invert:%d, Bits Found:%d",clk,invert,BitLen);
if (verbose || g_debugMode) PrintAndLog("DEBUG: (ASKDemod_ext) Using clock:%d, invert:%d, bits found:%d", clk, invert, BitLen);
//output
setDemodBuf(BitStream,BitLen,0);
setClockGrid(clk, startIdx);
if (verbose || g_debugMode){
if (errCnt>0)
if (errCnt > 0)
PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt);
if (askType)
PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk);
@ -636,11 +652,16 @@ int AutoCorrelate(const int *in, int *out, size_t len, int window, bool SaveGrph
size_t Correlation = 0;
int maxSum = 0;
int lastMax = 0;
// sanity check
if ( window > len ) window = len;
if (verbose) PrintAndLog("performing %d correlations", GraphTraceLen - window);
for (int i = 0; i < len - window; ++i) {
int sum = 0;
for (int j = 0; j < window; ++j) {
sum += (in[j]*in[i + j]) / 256;
sum += (in[j] * in[i + j]) / 256;
}
CorrelBuffer[i] = sum;
if (sum >= maxSum-100 && sum <= maxSum+100){
@ -649,7 +670,7 @@ int AutoCorrelate(const int *in, int *out, size_t len, int window, bool SaveGrph
lastMax = i;
if (sum > maxSum) maxSum = sum;
} else if (sum > maxSum){
maxSum=sum;
maxSum = sum;
lastMax = i;
}
}
@ -789,9 +810,9 @@ int CmdGraphShiftZero(const char *Cmd) {
int AskEdgeDetect(const int *in, int *out, int len, int threshold) {
int last = 0;
for(int i = 1; i<len; i++) {
if (in[i]-in[i-1] >= threshold) //large jump up
if (in[i] - in[i-1] >= threshold) //large jump up
last = 127;
else if(in[i]-in[i-1] <= -1 * threshold) //large jump down
else if (in[i] - in[i-1] <= -1 * threshold) //large jump down
last = -127;
out[i-1] = last;
}
@ -919,7 +940,7 @@ int FSKrawDemod(const char *Cmd, bool verbose)
// 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", rfLen, invert, fchigh, fclow);
PrintAndLog("DEBUG: (FSKrawDemod) Using Clock:%u, invert:%u, fchigh:%u, fclow:%u", rfLen, invert, fchigh, fclow);
PrintAndLog("%s decoded bitstream:", GetFSKType(fchigh, fclow, invert));
printDemodBuff();
}
@ -963,17 +984,17 @@ int PSKDemod(const char *Cmd, bool verbose)
int startIdx = 0;
errCnt = pskRawDemod_ext(BitStream, &BitLen, &clk, &invert, &startIdx);
if (errCnt > maxErr){
if (g_debugMode || verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d", clk, invert, BitLen, errCnt);
if (g_debugMode || verbose) PrintAndLog("DEBUG: (PSKdemod) Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d", clk, invert, BitLen, errCnt);
return 0;
}
if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
if (g_debugMode || verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d", clk, invert, BitLen, errCnt);
if (g_debugMode || verbose) PrintAndLog("DEBUG: (PSKdemod) no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d", clk, invert, BitLen, errCnt);
return 0;
}
if (verbose || g_debugMode){
PrintAndLog("\nUsing Clock:%d, invert:%d, Bits Found:%d",clk,invert,BitLen);
PrintAndLog("DEBUG: (PSKdemod) Using Clock:%d, invert:%d, Bits Found:%d",clk,invert,BitLen);
if (errCnt>0){
PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt);
PrintAndLog("DEBUG: (PSKdemod) errors during Demoding (shown as 7 in bit stream): %d",errCnt);
}
}
//prime demod buffer for output
@ -1055,7 +1076,7 @@ int NRZrawDemod(const char *Cmd, bool verbose)
clk=0;
}
if (invert != 0 && invert != 1) {
PrintAndLog("Invalid argument: %s", Cmd);
PrintAndLog("(NRZrawDemod) Invalid argument: %s", Cmd);
return 0;
}
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
@ -1065,20 +1086,20 @@ int NRZrawDemod(const char *Cmd, bool verbose)
int clkStartIdx = 0;
errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert, &clkStartIdx);
if (errCnt > maxErr){
if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
if (g_debugMode) PrintAndLog("DEBUG: (NRZrawDemod) Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
return 0;
}
if (errCnt<0 || BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
if (g_debugMode) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
if (g_debugMode) PrintAndLog("DEBUG: (NRZrawDemod) no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
return 0;
}
if (verbose || g_debugMode) PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
if (verbose || g_debugMode) PrintAndLog("DEBUG: (NRZrawDemod) Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
//prime demod buffer for output
setDemodBuf(BitStream,BitLen,0);
setClockGrid(clk, clkStartIdx);
if (errCnt>0 && (verbose || g_debugMode)) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt);
if (errCnt>0 && (verbose || g_debugMode)) PrintAndLog("DEBUG: (NRZrawDemod) Errors during Demoding (shown as 7 in bit stream): %d",errCnt);
if (verbose || g_debugMode) {
PrintAndLog("NRZ demoded bitstream:");
// Now output the bitstream to the scrollback by line of 16 bits
@ -1170,7 +1191,7 @@ int CmdRawDemod(const char *Cmd)
void setClockGrid(int clk, int offset) {
g_DemodStartIdx = offset;
g_DemodClock = clk;
if (g_debugMode) PrintAndLog("demodoffset %d, clk %d",offset,clk);
if (g_debugMode) PrintAndLog("DBEUG: (setClockGrid) demodoffset %d, clk %d",offset,clk);
if (offset > clk) offset %= clk;
if (offset < 0) offset += clk;
@ -1338,7 +1359,7 @@ int getSamples(int n, bool silent)
GraphTraceLen = n;
}
setClockGrid(0,0);
setClockGrid(0, 0);
DemodBufferLen = 0;
RepaintGraphWindow();
return 0;