int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo )
{
size_t idx = 0;
- size_t BitLen = DemodBufferLen;
+ size_t size = DemodBufferLen;
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
- memcpy(BitStream, DemodBuffer, BitLen);
- if (Em410xDecode(BitStream, &BitLen, &idx, hi, lo)){
- //set GraphBuffer for clone or sim command
- setDemodBuf(BitStream, BitLen, idx);
+ memcpy(BitStream, DemodBuffer, size);
+ int ans = Em410xDecode(BitStream, &size, &idx, hi, lo);
+ if ( ans < 0){
if (g_debugMode){
- PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen);
- printDemodBuff();
- }
- if (verbose){
- PrintAndLog("EM410x pattern found: ");
- printEM410x(*hi, *lo);
+
+ if (ans == -1)
+ PrintAndLog("DEBUG: Error - Em410x not only 0|1 in decoded bitstream");
+ else if (ans == -3)
+ PrintAndLog("DEBUG: Error - Em410x Size not correct: %d", size);
+ else if (ans == -4)
+ PrintAndLog("DEBUG: Error - Em410x preamble not found");
+ else if (ans == -5)
+ PrintAndLog("DEBUG: Error - Em410x parity failed");
}
- return 1;
+ return 0;
}
- return 0;
+
+ //set GraphBuffer for clone or sim command
+ setDemodBuf(BitStream, size, idx);
+ if (g_debugMode){
+ PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, size);
+ printDemodBuff();
+ }
+ if (verbose){
+ PrintAndLog("EM410x pattern found: ");
+ printEM410x(*hi, *lo);
+ }
+ return 1;
}
int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose)
//shift graph zero up or down based on input + or -
int CmdGraphShiftZero(const char *Cmd)
{
- int shift=0;
+ int shift = 0, shiftedVal = 0;
//set options from parameters entered with the command
sscanf(Cmd, "%i", &shift);
- int shiftedVal=0;
+
for(int i = 0; i<GraphTraceLen; i++){
shiftedVal=GraphBuffer[i]+shift;
- if (shiftedVal>127)
- shiftedVal=127;
- else if (shiftedVal<-127)
- shiftedVal=-127;
- GraphBuffer[i]= shiftedVal;
+ if (shiftedVal > 127)
+ shiftedVal = 127;
+ else if (shiftedVal < -127)
+ shiftedVal = -127;
+ GraphBuffer[i] = shiftedVal;
}
CmdNorm("");
return 0;
GraphBuffer[GraphTraceLen] = atoi(line);
GraphTraceLen++;
}
- fclose(f);
+ if (f) {
+ fclose(f);
+ f = NULL;
+ }
PrintAndLog("loaded %d samples", GraphTraceLen);
RepaintGraphWindow();
return 0;
for (i = 0; i < GraphTraceLen; i++) {
fprintf(f, "%d\n", GraphBuffer[i]);
}
- fclose(f);
+ if (f) {
+ fclose(f);
+ f = NULL;
+ }
PrintAndLog("saved to '%s'", Cmd);
return 0;
}