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chg: 'data autocorr' - adjustment of parameters.

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iceman1001 2018-02-15 20:23:54 +01:00
commit 9e1e9af794
1 changed files with 35 additions and 17 deletions
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50
client/cmddata.c
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@ -179,10 +179,11 @@ int usage_data_rawdemod_p2(void){
return 0; return 0;
} }
int usage_data_autocorr(void) { int usage_data_autocorr(void) {
PrintAndLog("Usage: data autocorr [window] [g]"); PrintAndLog("Autocorrelate is used to detect repeating sequences. We use it as detection of length in bits a message inside the signal is");
PrintAndLog("Usage: data autocorr w <window> [g]");
PrintAndLog("Options:"); PrintAndLog("Options:");
PrintAndLog(" h This help"); PrintAndLog(" h This help");
PrintAndLog(" [window] window length for correlation - default = 4000"); PrintAndLog(" w <window> window length for correlation - default = 4000");
PrintAndLog(" g save back to GraphBuffer (overwrite)"); PrintAndLog(" g save back to GraphBuffer (overwrite)");
return 0; return 0;
} }
@ -767,23 +768,40 @@ int AutoCorrelate(const int *in, int *out, size_t len, int window, bool SaveGrph
return correlation; return correlation;
} }
int CmdAutoCorr(const char *Cmd) int CmdAutoCorr(const char *Cmd) {
{
char cmdp = param_getchar(Cmd, 0);
if (cmdp == 'h' || cmdp == 'H') return usage_data_autocorr();
int window = 4000; //set default uint32_t window;
char grph = 0; uint8_t cmdp = 0;
bool updateGrph = false; bool updateGrph = false;
sscanf(Cmd, "%i %c", &window, &grph); bool errors = false;
if (window >= GraphTraceLen) { while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
PrintAndLog("window must be smaller than trace (%d samples)", GraphTraceLen); switch (param_getchar(Cmd, cmdp)) {
return 0; case 'h':
case 'H':
return usage_data_autocorr();
case 'g':
case 'G':
updateGrph = true;
cmdp++;
break;
case 'w':
case 'W':
window = param_get32ex(Cmd, cmdp+1, 4000, 10);
if (window >= GraphTraceLen) {
PrintAndLog("window must be smaller than trace (%d samples)", GraphTraceLen);
errors = true;
}
cmdp += 2;
break;
default:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
} }
//Validations
if (grph == 'g' || grph == 'G') if (errors || cmdp == 0 ) return usage_data_autocorr();
updateGrph = true;
return AutoCorrelate(GraphBuffer, GraphBuffer, GraphTraceLen, window, updateGrph, true); return AutoCorrelate(GraphBuffer, GraphBuffer, GraphTraceLen, window, updateGrph, true);
} }
@ -1436,7 +1454,7 @@ int getSamples(int n, bool silent) {
} }
//ICEMAN todo //ICEMAN todo
// set signal properties low/high/mean/amplitude and isnoice detection // set signal properties low/high/mean/amplitude and is_noice detection
//justNoise(got, n); //justNoise(got, n);
// set signal properties low/high/mean/amplitude and isnoice detection // set signal properties low/high/mean/amplitude and isnoice detection
justNoise_int(GraphBuffer, GraphTraceLen); justNoise_int(GraphBuffer, GraphTraceLen);