mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-26 15:59:28 -05:00
87 lines
3.3 KiB
C++
87 lines
3.3 KiB
C++
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#ifndef __FPROTO_MARANTEC_H__
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#define __FPROTO_MARANTEC_H__
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#include "subghzdbase.hpp"
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typedef enum : uint8_t {
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MarantecDecoderStepReset = 0,
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MarantecDecoderFoundHeader,
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MarantecDecoderStepDecoderData,
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} MarantecDecoderStep;
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class FProtoSubGhzDMarantec : public FProtoSubGhzDBase {
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public:
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FProtoSubGhzDMarantec() {
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sensorType = FPS_MARANTEC;
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te_short = 1000;
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te_long = 2000;
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te_delta = 200;
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min_count_bit_for_found = 49;
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}
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void feed(bool level, uint32_t duration) {
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ManchesterEvent event = ManchesterEventReset;
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switch (parser_step) {
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case MarantecDecoderStepReset:
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if ((!level) && (DURATION_DIFF(duration, te_long * 5) < te_delta * 8)) {
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// Found header marantec
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parser_step = MarantecDecoderStepDecoderData;
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decode_data = 1;
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decode_count_bit = 1;
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FProtoGeneral::manchester_advance(manchester_saved_state, ManchesterEventReset, &manchester_saved_state, NULL);
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}
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break;
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case MarantecDecoderStepDecoderData:
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if (!level) {
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if (DURATION_DIFF(duration, te_short) < te_delta) {
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event = ManchesterEventShortLow;
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} else if (
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DURATION_DIFF(duration, te_long) < te_delta) {
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event = ManchesterEventLongLow;
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} else if (
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duration >= ((uint32_t)te_long * 2 + te_delta)) {
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if (decode_count_bit == 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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// controller
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btn = (data >> 16) & 0xF;
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serial = ((data >> 12) & 0xFFFFFF00) | ((data >> 8) & 0xFF);
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if (callback) callback(this);
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}
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decode_data = 1;
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decode_count_bit = 1;
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FProtoGeneral::manchester_advance(manchester_saved_state, ManchesterEventReset, &manchester_saved_state, NULL);
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} else {
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parser_step = MarantecDecoderStepReset;
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}
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} else {
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if (DURATION_DIFF(duration, te_short) < te_delta) {
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event = ManchesterEventShortHigh;
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} else if (
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DURATION_DIFF(duration, te_long) < te_delta) {
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event = ManchesterEventLongHigh;
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} else {
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parser_step = MarantecDecoderStepReset;
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}
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}
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if (event != ManchesterEventReset) {
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bool bitstate;
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bool data_ok = FProtoGeneral::manchester_advance(manchester_saved_state, event, &manchester_saved_state, &bitstate);
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if (data_ok) {
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decode_data = (decode_data << 1) | bitstate;
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decode_count_bit++;
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}
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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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ManchesterState manchester_saved_state = ManchesterStateMid1;
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};
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#endif
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