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https://github.com/Proxmark/proxmark3.git
synced 2024-11-11 01:35:51 +08:00
add clock to ask rawdemod outputs
fix biphase invert bug (correctly)
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parent
07b5a3c3ba
commit
8e2e6c8eb0
1 changed files with 16 additions and 18 deletions
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@ -41,7 +41,7 @@ void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx)
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size = MAX_DEMOD_BUF_LEN;
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size_t i = 0;
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for (; i < size; i++){
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for (; i < size; i++){
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DemodBuffer[i]=buff[startIdx++];
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}
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DemodBufferLen=size;
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@ -344,8 +344,8 @@ int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType)
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setDemodBuf(BitStream,BitLen,0);
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if (verbose || g_debugMode){
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if (errCnt>0) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt);
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if (askType) PrintAndLog("ASK/Manchester decoded bitstream:");
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else PrintAndLog("ASK/Raw decoded bitstream:");
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if (askType) PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk);
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else PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk);
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// Now output the bitstream to the scrollback by line of 16 bits
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printDemodBuff();
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@ -499,21 +499,19 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose)
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{
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//ask raw demod GraphBuffer first
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int offset=0, clk=0, invert=0, maxErr=0, ans=0;
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ans = sscanf(Cmd, "%i %i 0 %i", &offset, &clk, &maxErr);
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if (ans>0)
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ans = ASKDemod(Cmd+2, FALSE, FALSE, 0);
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else
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ans = ASKDemod(Cmd, FALSE, FALSE, 0);
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if (!ans) {
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if (g_debugMode || verbose) PrintAndLog("Error AskDemod: %d", ans);
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return 0;
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}
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ans = sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr);
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//attempt to Biphase decode DemodBuffer
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size_t size = DemodBufferLen;
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uint8_t BitStream[MAX_DEMOD_BUF_LEN];
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memcpy(BitStream, DemodBuffer, DemodBufferLen);
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int errCnt = BiphaseRawDecode(BitStream, &size, offset, invert);
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uint8_t BitStream[MAX_DEMOD_BUF_LEN];
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size_t size = getFromGraphBuf(BitStream);
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int errCnt = askdemod(BitStream, &size, &clk, 0, maxErr, 0, 0);
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if ( errCnt < 0 || errCnt > maxErr ) {
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if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk);
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return 0;
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}
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//attempt to Biphase decode BitStream
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errCnt = BiphaseRawDecode(BitStream, &size, offset, invert);
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if (errCnt < 0){
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if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt);
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return 0;
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@ -525,7 +523,7 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose)
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//success set DemodBuffer and return
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setDemodBuf(BitStream, size, 0);
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if (g_debugMode || verbose){
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PrintAndLog("Biphase Decoded using offset: %d - # errors:%d - data:",offset,errCnt);
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PrintAndLog("Biphase Decoded using offset: %d - clock: %d - # errors:%d - data:",offset,clk,errCnt);
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printDemodBuff();
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}
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return 1;
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