portapack-mayhem/firmware/baseband/fprotos/s-bett.hpp

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#ifndef __FPROTO_BETT_H__
#define __FPROTO_BETT_H__
#include "subghzdbase.hpp"
typedef enum : uint8_t {
BETTDecoderStepReset = 0,
BETTDecoderStepSaveDuration,
BETTDecoderStepCheckDuration,
} BETTDecoderStep;
class FProtoSubGhzDBett : public FProtoSubGhzDBase {
public:
FProtoSubGhzDBett() {
sensorType = FPS_BETT;
te_short = 340;
te_long = 2000;
te_delta = 150;
min_count_bit_for_found = 18;
}
void feed(bool level, uint32_t duration) {
switch (parser_step) {
case BETTDecoderStepReset:
if ((!level) && (DURATION_DIFF(duration, te_short * 44) <
(te_delta * 15))) {
decode_data = 0;
decode_count_bit = 0;
parser_step = BETTDecoderStepCheckDuration;
}
break;
case BETTDecoderStepSaveDuration:
if (!level) {
if (DURATION_DIFF(duration, te_short * 44) <
(te_delta * 15)) {
if (decode_count_bit ==
min_count_bit_for_found) {
data = decode_data;
data_count_bit = decode_count_bit;
// dip decoder needed
if (callback) callback(this);
} else {
parser_step = BETTDecoderStepReset;
}
decode_data = 0;
decode_count_bit = 0;
break;
} else {
if ((DURATION_DIFF(duration, te_short) <
te_delta) ||
(DURATION_DIFF(duration, te_long) <
te_delta * 3)) {
parser_step = BETTDecoderStepCheckDuration;
} else {
parser_step = BETTDecoderStepReset;
}
}
}
break;
case BETTDecoderStepCheckDuration:
if (level) {
if (DURATION_DIFF(duration, te_long) <
te_delta * 3) {
subghz_protocol_blocks_add_bit(1);
parser_step = BETTDecoderStepSaveDuration;
} else if (
DURATION_DIFF(duration, te_short) <
te_delta) {
subghz_protocol_blocks_add_bit(0);
parser_step = BETTDecoderStepSaveDuration;
} else {
parser_step = BETTDecoderStepReset;
}
} else {
parser_step = BETTDecoderStepReset;
}
break;
}
}
};
#endif