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chg: adjust ask demod

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iceman1001 2019-03-18 13:40:51 +01:00
commit 027cda47d2
1 changed files with 8 additions and 9 deletions
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17
common/lfdemod.c
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@ -1473,16 +1473,21 @@ int askdemod_ext(uint8_t *bits, size_t *size, int *clk, int *invert, int maxErr,
if (*size == 0) return -1;
if (signalprop.isnoise) {
if (g_debugMode == 2) prnt("DEBUG (askdemod_ext) just noise detected - aborting");
return -2;
}
int start = DetectASKClock(bits, *size, clk, maxErr);
if (*clk == 0 || start < 0) return -3;
if (*invert != 1) *invert = 0;
// amplify signal data.
// ICEMAN todo,
if (amp == 1) askAmp(bits, *size);
if (g_debugMode == 2) prnt("DEBUG ASK: clk %d, beststart %d, amp %d", *clk, start, amp);
if (g_debugMode == 2) prnt("DEBUG (askdemod_ext) clk %d, beststart %d, amp %d", *clk, start, amp);
//start pos from detect ask clock is 1/2 clock offset
// NOTE: can be negative (demod assumes rest of wave was there)
@ -1490,12 +1495,6 @@ int askdemod_ext(uint8_t *bits, size_t *size, int *clk, int *invert, int maxErr,
uint16_t initLoopMax = 1024;
if (initLoopMax > *size) initLoopMax = *size;
// just noise - no super good detection. good enough
if (signalprop.isnoise) {
if (g_debugMode == 2) prnt("DEBUG askdemod_ext: just noise detected - aborting");
return -2;
}
// Detect high and lows
//25% clip in case highs and lows aren't clipped [marshmellow]
int high, low;
@ -1539,7 +1538,7 @@ int askdemod_ext(uint8_t *bits, size_t *size, int *clk, int *invert, int maxErr,
bits[bitnum++] = *invert ^ 1;
} else if (i - lastBit >= *clk + tol) {
if (bitnum > 0) {
if (g_debugMode == 2) prnt("DEBUG: (askdemod_ext) Modulation Error at: %u", i);
// if (g_debugMode == 2) prnt("DEBUG: (askdemod_ext) Modulation Error at: %u", i);
bits[bitnum++] = 7;
errCnt++;
}