mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2026-09-12 09:39:30 +00:00
HTotoo
93 lines
3.5 KiB
C++
93 lines
3.5 KiB
C++
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#ifndef __FPROTO_HOLTEKTH12X_H__
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#define __FPROTO_HOLTEKTH12X_H__
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#include "subghzdbase.hpp"
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typedef enum {
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Holtek_HT12XDecoderStepReset = 0,
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Holtek_HT12XDecoderStepFoundStartBit,
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Holtek_HT12XDecoderStepSaveDuration,
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Holtek_HT12XDecoderStepCheckDuration,
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} Holtek_HT12XDecoderStep;
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class FProtoSubGhzDCHoltekHt12x : public FProtoSubGhzDBase {
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public:
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FProtoSubGhzDCHoltekHt12x() {
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sensorType = FPS_HOLTEKHT12X;
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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_HT12XDecoderStepReset:
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if ((!level) && (DURATION_DIFF(duration, te_short * 36) < te_delta * 36)) {
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// Found Preambula
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parser_step = Holtek_HT12XDecoderStepFoundStartBit;
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}
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break;
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case Holtek_HT12XDecoderStepFoundStartBit:
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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_HT12XDecoderStepSaveDuration;
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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_HT12XDecoderStepReset;
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}
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break;
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case Holtek_HT12XDecoderStepSaveDuration:
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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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if (data != decode_data) {
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data = decode_data;
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data_count_bit = decode_count_bit;
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// controller
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btn = data & 0x0F;
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cnt = (data >> 4) & 0xFF;
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if (callback) callback(this);
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}
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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_HT12XDecoderStepFoundStartBit;
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break;
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} else {
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te_last = duration;
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parser_step = Holtek_HT12XDecoderStepCheckDuration;
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}
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} else {
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parser_step = Holtek_HT12XDecoderStepReset;
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}
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break;
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case Holtek_HT12XDecoderStepCheckDuration:
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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_HT12XDecoderStepSaveDuration;
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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_HT12XDecoderStepSaveDuration;
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} else {
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parser_step = Holtek_HT12XDecoderStepReset;
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}
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} else {
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parser_step = Holtek_HT12XDecoderStepReset;
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}
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break;
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}
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}
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protected:
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uint32_t te_short = 320;
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uint32_t te_long = 640;
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uint32_t te_delta = 200;
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uint32_t min_count_bit_for_found = 12;
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};
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#endif
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