#ifndef __FPROTO_NEROSKETCH_H__ #define __FPROTO_NEROSKETCH_H__ #include "subghzdbase.hpp" typedef enum : uint8_t { NeroSketchDecoderStepReset = 0, NeroSketchDecoderStepCheckPreambula, NeroSketchDecoderStepSaveDuration, NeroSketchDecoderStepCheckDuration, } NeroSketchDecoderStep; class FProtoSubGhzDNeroSketch : public FProtoSubGhzDBase { public: FProtoSubGhzDNeroSketch() { sensorType = FPS_NERO_SKETCH; te_short = 330; te_long = 660; te_delta = 150; min_count_bit_for_found = 40; } void feed(bool level, uint32_t duration) { switch (parser_step) { case NeroSketchDecoderStepReset: if ((level) && (DURATION_DIFF(duration, te_short) < te_delta)) { parser_step = NeroSketchDecoderStepCheckPreambula; te_last = duration; header_count = 0; } break; case NeroSketchDecoderStepCheckPreambula: if (level) { if ((DURATION_DIFF(duration, te_short) < te_delta) || (DURATION_DIFF(duration, te_short * 4) < te_delta)) { te_last = duration; } else { parser_step = NeroSketchDecoderStepReset; } } else if ( DURATION_DIFF(duration, te_short) < te_delta) { if (DURATION_DIFF(te_last, te_short) < te_delta) { // Found header header_count++; break; } else if ( DURATION_DIFF(te_last, te_short * 4) < te_delta) { // Found start bit if (header_count > 40) { parser_step = NeroSketchDecoderStepSaveDuration; decode_data = 0; decode_count_bit = 0; } else { parser_step = NeroSketchDecoderStepReset; } } else { parser_step = NeroSketchDecoderStepReset; } } else { parser_step = NeroSketchDecoderStepReset; } break; case NeroSketchDecoderStepSaveDuration: if (level) { if (duration >= (te_short * 2 + te_delta * 2)) { // Found stop bit parser_step = NeroSketchDecoderStepReset; if (decode_count_bit == min_count_bit_for_found) { data = decode_data; data_count_bit = decode_count_bit; if (callback) callback(this); } decode_data = 0; decode_count_bit = 0; break; } else { te_last = duration; parser_step = NeroSketchDecoderStepCheckDuration; } } else { parser_step = NeroSketchDecoderStepReset; } break; case NeroSketchDecoderStepCheckDuration: if (!level) { if ((DURATION_DIFF(te_last, te_short) < te_delta) && (DURATION_DIFF(duration, te_long) < te_delta)) { subghz_protocol_blocks_add_bit(0); parser_step = NeroSketchDecoderStepSaveDuration; } else if ( (DURATION_DIFF(te_last, te_long) < te_delta) && (DURATION_DIFF(duration, te_short) < te_delta)) { subghz_protocol_blocks_add_bit(1); parser_step = NeroSketchDecoderStepSaveDuration; } else { parser_step = NeroSketchDecoderStepReset; } } else { parser_step = NeroSketchDecoderStepReset; } break; } } }; #endif