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fix em410x XL bug

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and make it rule out more false positives.
This commit is contained in:
marshmellow42 2017-02-28 13:32:23 -05:00
commit b1ee7eed65
1 changed files with 2 additions and 2 deletions
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4
common/lfdemod.c
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@ -218,8 +218,8 @@ uint8_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_
uint8_t FmtLen = 10; // sets of 4 bits = end data
*startIdx = 0;
errChk = preambleSearch(BitStream, preamble, sizeof(preamble), size, startIdx);
if (errChk == 0 || *size < 64) return 0;
if (*size == 110) FmtLen = 22; // 22 sets of 4 bits
if ( errChk == 0 || (*size != 64 && *size != 128) ) return 0;
if (*size == 128) FmtLen = 22; // 22 sets of 4 bits
//skip last 4bit parity row for simplicity
*size = removeParity(BitStream, *startIdx + sizeof(preamble), 5, 0, FmtLen * 5);