mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2026-09-02 12:59:03 +00:00
lifegame1lu111
85 lines
3.2 KiB
C++
85 lines
3.2 KiB
C++
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#ifndef __FPROTO_HOLTEKHT6P20B_H__
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#define __FPROTO_HOLTEKHT6P20B_H__
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#include "subghzdbase.hpp"
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typedef enum : uint8_t {
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Holtek_HT6P20BDecoderStepReset = 0,
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Holtek_HT6P20BDecoderStepFoundStartBit,
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Holtek_HT6P20BDecoderStepSaveDuration,
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Holtek_HT6P20BDecoderStepCheckDuration,
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} Holtek_HT6P20BDecoderStep;
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class FProtoSubGhzDHoltekHt6p20b : public FProtoSubGhzDBase {
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public:
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FProtoSubGhzDHoltekHt6p20b() {
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sensorType = FPS_HOLTEKHT6P20B;
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te_short = 450;
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te_long = 900;
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te_delta = 270;
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min_count_bit_for_found = 28;
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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 Holtek_HT6P20BDecoderStepReset:
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if ((!level) && (DURATION_DIFF(duration, te_short * 23) < te_delta * 23)) {
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// Found Preambula
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parser_step = Holtek_HT6P20BDecoderStepFoundStartBit;
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}
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break;
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case Holtek_HT6P20BDecoderStepFoundStartBit:
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if ((level) && (DURATION_DIFF(duration, te_short) < te_delta)) {
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// Found StartBit
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parser_step = Holtek_HT6P20BDecoderStepSaveDuration;
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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 = Holtek_HT6P20BDecoderStepReset;
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}
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break;
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case Holtek_HT6P20BDecoderStepSaveDuration:
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// save duration
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if (!level) {
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if (duration >= ((uint32_t)te_short * 10 + te_delta)) {
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if (decode_count_bit == min_count_bit_for_found) {
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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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decode_data = 0;
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decode_count_bit = 0;
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parser_step = Holtek_HT6P20BDecoderStepFoundStartBit;
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break;
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} else {
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te_last = duration;
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parser_step = Holtek_HT6P20BDecoderStepCheckDuration;
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}
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} else {
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parser_step = Holtek_HT6P20BDecoderStepReset;
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}
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break;
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case Holtek_HT6P20BDecoderStepCheckDuration:
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if (level) {
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if ((DURATION_DIFF(te_last, te_long) < te_delta * 2) &&
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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 = Holtek_HT6P20BDecoderStepSaveDuration;
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} else if (
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(DURATION_DIFF(te_last, te_short) < te_delta) &&
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(DURATION_DIFF(duration, te_long) < te_delta * 2)) {
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subghz_protocol_blocks_add_bit(0);
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parser_step = Holtek_HT6P20BDecoderStepSaveDuration;
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} else {
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parser_step = Holtek_HT6P20BDecoderStepReset;
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}
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} else {
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parser_step = Holtek_HT6P20BDecoderStepReset;
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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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