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fix in nr demodulation , which fixes a crash in "lf em 4x05 info"

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This commit is contained in:
iceman1001 2021-04-04 07:48:53 +02:00
parent 160941c280
commit a9aea6c726
1 changed files with 7 additions and 2 deletions
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9
common/lfdemod.c
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@ -1720,8 +1720,13 @@ int askdemod_ext(uint8_t *bits, size_t *size, int *clk, int *invert, int maxErr,
} else if (bits[i] <= low) {
bits[bitnum++] = *invert ^ 1;
} else if (i - lastBit >= *clk / 2 + tol) {
bits[bitnum] = bits[bitnum - 1];
bitnum++;
if (bitnum > 0) {
bits[bitnum] = bits[bitnum - 1];
bitnum++;
} else {
bits[bitnum] = 0;
bitnum++;
}
} else { //in tolerance - looking for peak
continue;
}