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chg: better strong wave detection for biphase

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iceman1001 2019-04-05 20:28:58 +02:00
parent 841f20c5e5
commit 8c017157d4
1 changed files with 4 additions and 3 deletions
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7
common/lfdemod.c
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@ -445,11 +445,11 @@ int ManchesterEncode(uint8_t *bits, size_t size) {
// by marshmellow // by marshmellow
// to detect a wave that has heavily clipped (clean) samples // to detect a wave that has heavily clipped (clean) samples
// loop 512 samples, if 250 of them is deemed maxed out, we assume the wave is clipped. // loop 1024 samples, if 250 of them is deemed maxed out, we assume the wave is clipped.
bool DetectCleanAskWave(uint8_t *dest, size_t size, uint8_t high, uint8_t low) { bool DetectCleanAskWave(uint8_t *dest, size_t size, uint8_t high, uint8_t low) {
bool allArePeaks = true; bool allArePeaks = true;
uint16_t cntPeaks = 0; uint16_t cntPeaks = 0;
size_t loopEnd = 512 + 160; size_t loopEnd = 1024 + 160;
// sanity check // sanity check
if (loopEnd > size) loopEnd = size; if (loopEnd > size) loopEnd = size;
@ -463,7 +463,8 @@ bool DetectCleanAskWave(uint8_t *dest, size_t size, uint8_t high, uint8_t low) {
} }
if (!allArePeaks) { if (!allArePeaks) {
if (cntPeaks > 250) return true; if (g_debugMode == 2) prnt("DEBUG DetectCleanAskWave: peaks (200) %u", cntPeaks);
if (cntPeaks > 200) return true;
} }
return allArePeaks; return allArePeaks;
} }