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