mirror of
https://github.com/eried/portapack-mayhem.git
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84 lines
3.1 KiB
C++
84 lines
3.1 KiB
C++
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#ifndef __FPROTO_HORMANN_H__
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#define __FPROTO_HORMANN_H__
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#include "subghzdbase.hpp"
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typedef enum : uint8_t {
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HormannDecoderStepReset = 0,
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HormannDecoderStepFoundStartHeader,
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HormannDecoderStepFoundHeader,
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HormannDecoderStepFoundStartBit,
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HormannDecoderStepSaveDuration,
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HormannDecoderStepCheckDuration,
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} HormannDecoderStep;
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#define HORMANN_HSM_PATTERN 0xFF000000003
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class FProtoSubGhzDHormann : public FProtoSubGhzDBase {
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public:
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FProtoSubGhzDHormann() {
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sensorType = FPS_HORMANN;
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te_short = 500;
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te_long = 1000;
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te_delta = 200;
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min_count_bit_for_found = 44;
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}
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void feed(bool level, uint32_t duration) {
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switch (parser_step) {
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case HormannDecoderStepReset:
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if ((level) && (DURATION_DIFF(duration, te_short * 24) < te_delta * 24)) {
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parser_step = HormannDecoderStepFoundStartBit;
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}
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break;
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case HormannDecoderStepFoundStartBit:
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if ((!level) && (DURATION_DIFF(duration, te_short) < te_delta)) {
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parser_step = HormannDecoderStepSaveDuration;
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decode_data = 0;
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decode_count_bit = 0;
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} else {
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parser_step = HormannDecoderStepReset;
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}
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break;
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case HormannDecoderStepSaveDuration:
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if (level) { // save interval
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if (duration >= (te_short * 5) && (decode_data & HORMANN_HSM_PATTERN) == HORMANN_HSM_PATTERN) {
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parser_step = HormannDecoderStepFoundStartBit;
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if (decode_count_bit >=
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min_count_bit_for_found) {
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data = decode_data;
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data_count_bit = decode_count_bit;
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if (callback) callback(this);
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}
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break;
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}
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te_last = duration;
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parser_step = HormannDecoderStepCheckDuration;
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} else {
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parser_step = HormannDecoderStepReset;
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}
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break;
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case HormannDecoderStepCheckDuration:
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if (!level) {
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if ((DURATION_DIFF(te_last, te_short) < te_delta) &&
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(DURATION_DIFF(duration, te_long) < te_delta)) {
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subghz_protocol_blocks_add_bit(0);
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parser_step = HormannDecoderStepSaveDuration;
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} else if (
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(DURATION_DIFF(te_last, te_long) < te_delta) &&
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(DURATION_DIFF(duration, te_short) < te_delta)) {
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subghz_protocol_blocks_add_bit(1);
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parser_step = HormannDecoderStepSaveDuration;
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} else
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parser_step = HormannDecoderStepReset;
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} else {
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parser_step = HormannDecoderStepReset;
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}
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break;
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}
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}
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};
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#endif
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