X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b8fdac9e6fedfda5e291e437766ed46e3caf7c32..138927dd7b9be11990ac7073cdd1906b78683a76:/client/graph.c?ds=sidebyside diff --git a/client/graph.c b/client/graph.c index 547e9b30..3ea47d2d 100644 --- a/client/graph.c +++ b/client/graph.c @@ -53,16 +53,19 @@ int ClearGraph(int redraw) void save_restoreGB(uint8_t saveOpt) { static int SavedGB[MAX_GRAPH_TRACE_LEN]; - static int SavedGBlen; + static int SavedGBlen=0; static bool GB_Saved = false; + static int SavedGridOffsetAdj=0; - if (saveOpt==1) { //save + if (saveOpt == GRAPH_SAVE) { //save memcpy(SavedGB, GraphBuffer, sizeof(GraphBuffer)); SavedGBlen = GraphTraceLen; GB_Saved=true; - } else if (GB_Saved){ //restore + SavedGridOffsetAdj = GridOffset; + } else if (GB_Saved) { //restore memcpy(GraphBuffer, SavedGB, sizeof(GraphBuffer)); GraphTraceLen = SavedGBlen; + GridOffset = SavedGridOffsetAdj; RepaintGraphWindow(); } return; @@ -293,57 +296,3 @@ bool graphJustNoise(int *BitStream, int size) } return justNoise1; } -int autoCorr(const int* in, int *out, size_t len, int window) -{ - static int CorrelBuffer[MAX_GRAPH_TRACE_LEN]; - - if (window == 0) { - PrintAndLog("needs a window"); - return 0; - } - if (window >= len) { - PrintAndLog("window must be smaller than trace (%d samples)", - len); - return 0; - } - - PrintAndLog("performing %d correlations", len - 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; - } - CorrelBuffer[i] = sum; - } - //GraphTraceLen = GraphTraceLen - window; - memcpy(out, CorrelBuffer, len * sizeof (int)); - return 0; -} -int directionalThreshold(const int* in, int *out, size_t len, int8_t up, int8_t down) -{ - int lastValue = in[0]; - out[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in. - - for (int i = 1; i < len; ++i) { - // Apply first threshold to samples heading up - if (in[i] >= up && in[i] > lastValue) - { - lastValue = out[i]; // Buffer last value as we overwrite it. - out[i] = 1; - } - // Apply second threshold to samples heading down - else if (in[i] <= down && in[i] < lastValue) - { - lastValue = out[i]; // Buffer last value as we overwrite it. - out[i] = -1; - } - else - { - lastValue = out[i]; // Buffer last value as we overwrite it. - out[i] = out[i-1]; - } - } - out[0] = out[1]; // Align with first edited sample. - return 0; -}