mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-15 04:28:10 +00:00
89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
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#ifndef __FPROTO_LINEAR_H__
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#define __FPROTO_LINEAR_H__
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#include "subghzdbase.hpp"
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typedef enum : uint8_t {
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LinearDecoderStepReset = 0,
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LinearDecoderStepSaveDuration,
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LinearDecoderStepCheckDuration,
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} LinearDecoderStep;
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class FProtoSubGhzDLinear : public FProtoSubGhzDBase {
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public:
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FProtoSubGhzDLinear() {
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sensorType = FPS_LINEAR;
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te_short = 500;
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te_long = 1500;
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te_delta = 150;
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min_count_bit_for_found = 10;
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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 LinearDecoderStepReset:
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if ((!level) && (DURATION_DIFF(duration, te_short * 42) < te_delta * 20)) {
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// Found header Linear
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decode_data = 0;
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decode_count_bit = 0;
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parser_step = LinearDecoderStepSaveDuration;
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}
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break;
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case LinearDecoderStepSaveDuration:
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if (level) {
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te_last = duration;
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parser_step = LinearDecoderStepCheckDuration;
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} else {
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parser_step = LinearDecoderStepReset;
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}
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break;
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case LinearDecoderStepCheckDuration:
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if (!level) { // save interval
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if (duration >= (te_short * 5)) {
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parser_step = LinearDecoderStepReset;
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// checking that the duration matches the guardtime
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if ((DURATION_DIFF(duration, te_short * 42) > te_delta * 20)) {
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break;
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}
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if (DURATION_DIFF(te_last, te_short) < te_delta) {
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subghz_protocol_blocks_add_bit(0);
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} else if (
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DURATION_DIFF(te_last, te_long) <
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te_delta) {
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subghz_protocol_blocks_add_bit(1);
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}
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if (decode_count_bit == min_count_bit_for_found) {
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serial = SD_NO_SERIAL;
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btn = SD_NO_BTN;
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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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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 = LinearDecoderStepSaveDuration;
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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 = LinearDecoderStepSaveDuration;
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} else {
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parser_step = LinearDecoderStepReset;
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}
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} else {
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parser_step = LinearDecoderStepReset;
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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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