mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-15 20:50:28 +00:00
116 lines
4.6 KiB
C++
116 lines
4.6 KiB
C++
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#ifndef __FPROTO_NERORADIO_H__
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#define __FPROTO_NERORADIO_H__
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#include "subghzdbase.hpp"
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typedef enum : uint8_t {
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NeroRadioDecoderStepReset = 0,
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NeroRadioDecoderStepCheckPreambula,
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NeroRadioDecoderStepSaveDuration,
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NeroRadioDecoderStepCheckDuration,
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} NeroRadioDecoderStep;
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class FProtoSubGhzDNeroRadio : public FProtoSubGhzDBase {
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public:
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FProtoSubGhzDNeroRadio() {
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sensorType = FPS_NERORADIO;
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te_short = 200;
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te_long = 400;
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te_delta = 80;
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min_count_bit_for_found = 56;
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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 NeroRadioDecoderStepReset:
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if ((level) && (DURATION_DIFF(duration, te_short) < te_delta)) {
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parser_step = NeroRadioDecoderStepCheckPreambula;
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te_last = duration;
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header_count = 0;
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}
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break;
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case NeroRadioDecoderStepCheckPreambula:
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if (level) {
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if ((DURATION_DIFF(duration, te_short) < te_delta) ||
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(DURATION_DIFF(duration, te_short * 4) < te_delta)) {
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te_last = duration;
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} else {
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parser_step = NeroRadioDecoderStepReset;
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}
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} else if (
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DURATION_DIFF(duration, te_short) < te_delta) {
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if (DURATION_DIFF(te_last, te_short) < te_delta) {
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// Found header
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header_count++;
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break;
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} else if (
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DURATION_DIFF(te_last, te_short * 4) < te_delta) {
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// Found start bit
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if (header_count > 40) {
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parser_step = NeroRadioDecoderStepSaveDuration;
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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 = NeroRadioDecoderStepReset;
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}
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} else {
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parser_step = NeroRadioDecoderStepReset;
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}
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} else {
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parser_step = NeroRadioDecoderStepReset;
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}
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break;
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case NeroRadioDecoderStepSaveDuration:
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if (level) {
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te_last = duration;
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parser_step = NeroRadioDecoderStepCheckDuration;
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} else {
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parser_step = NeroRadioDecoderStepReset;
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}
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break;
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case NeroRadioDecoderStepCheckDuration:
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if (!level) {
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if (duration >= ((uint32_t)1250)) {
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// Found stop bit
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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) < te_delta) {
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subghz_protocol_blocks_add_bit(1);
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}
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parser_step = NeroRadioDecoderStepReset;
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if ((decode_count_bit == min_count_bit_for_found) ||
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(decode_count_bit == min_count_bit_for_found + 1)) {
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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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decode_data = 0;
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decode_count_bit = 0;
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parser_step = NeroRadioDecoderStepReset; //-V1048
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break;
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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)) {
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subghz_protocol_blocks_add_bit(0);
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parser_step = NeroRadioDecoderStepSaveDuration;
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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 = NeroRadioDecoderStepSaveDuration;
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} else {
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parser_step = NeroRadioDecoderStepReset;
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}
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} else {
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parser_step = NeroRadioDecoderStepReset;
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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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