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Chg: step2 in the signed vis unsigned graphbuffer signal processing.

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It will break some tone-based demods like ti etc.
This commit is contained in:
Chris 2018-09-09 12:34:43 +02:00
commit d774e4c84f
8 changed files with 276 additions and 217 deletions
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14
common/lfdemod.h
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@ -35,14 +35,7 @@ extern int32_t compute_mean_int(int *in, size_t N);
bool isNoise_int(int *bits, uint32_t size);
bool isNoise(uint8_t *bits, uint32_t size);
extern void zeromean(uint8_t* data, size_t size);
// buffer is unsigned on DEVIE
#ifdef ON_DEVICE
#define justNoise(a, b) isNoise((a), (b))
#else
#define justNoise(a, b) isNoise_int((a), (b))
#endif
void getNextLow(uint8_t *samples, size_t size, int low, size_t *i);
void getNextHigh(uint8_t *samples, size_t size, int high, size_t *i);
bool loadWaveCounters(uint8_t *samples, size_t size, int lowToLowWaveLen[], int highToLowWaveLen[], int *waveCnt, int *skip, int *minClk, int *high, int *low);
@ -58,14 +51,15 @@ extern uint32_t bytebits_to_byte(uint8_t *src, size_t numbits);
extern uint32_t bytebits_to_byteLSBF(uint8_t *src, size_t numbits);
extern uint16_t countFC(uint8_t *bits, size_t size, uint8_t fskAdj);
extern int DetectASKClock(uint8_t *dest, size_t size, int *clock, int maxErr);
extern uint8_t DetectCleanAskWave(uint8_t *dest, size_t size, uint8_t high, uint8_t low);
extern bool DetectCleanAskWave(uint8_t *dest, size_t size, uint8_t high, uint8_t low);
extern uint8_t detectFSKClk(uint8_t *bits, size_t size, uint8_t fcHigh, uint8_t fcLow, int *firstClockEdge);
extern int DetectNRZClock(uint8_t *dest, size_t size, int clock, size_t *clockStartIdx);
extern int DetectPSKClock(uint8_t *dest, size_t size, int clock, size_t *firstPhaseShift, uint8_t *curPhase, uint8_t *fc);
extern int DetectStrongAskClock(uint8_t *dest, size_t size, int high, int low, int *clock);
extern bool DetectST(uint8_t *buffer, size_t *size, int *foundclock, size_t *ststart, size_t *stend);
extern size_t fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow, int *startIdx);
extern int getHiLo(uint8_t *bits, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
//extern void getHiLo(uint8_t *bits, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
extern void getHiLo(int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
extern uint32_t manchesterEncode2Bytes(uint16_t datain);
extern int ManchesterEncode(uint8_t *bits, size_t size);
extern int manrawdecode(uint8_t *bits, size_t *size, uint8_t invert, uint8_t *alignPos);