#ifndef __FPROTO_DOITRAND_H__ #define __FPROTO_DOITRAND_H__ #include "subghzdbase.hpp" typedef enum : uint8_t { DoitrandDecoderStepReset = 0, DoitrandDecoderStepFoundStartBit, DoitrandDecoderStepSaveDuration, DoitrandDecoderStepCheckDuration, } DoitrandDecoderStep; class FProtoSubGhzDDoitrand : public FProtoSubGhzDBase { public: FProtoSubGhzDDoitrand() { sensorType = FPS_DOITRAND; te_short = 400; te_long = 1100; te_delta = 150; min_count_bit_for_found = 37; } void feed(bool level, uint32_t duration) { switch (parser_step) { case DoitrandDecoderStepReset: if ((!level) && (DURATION_DIFF(duration, te_short * 62) < te_delta * 30)) { // Found Preambula parser_step = DoitrandDecoderStepFoundStartBit; } break; case DoitrandDecoderStepFoundStartBit: if (level && ((DURATION_DIFF(duration, (te_short * 2)) < te_delta * 3))) { // Found start bit parser_step = DoitrandDecoderStepSaveDuration; decode_data = 0; decode_count_bit = 0; } else { parser_step = DoitrandDecoderStepReset; } break; case DoitrandDecoderStepSaveDuration: if (!level) { if (duration >= ((uint32_t)te_short * 10 + te_delta)) { parser_step = DoitrandDecoderStepFoundStartBit; if (decode_count_bit == min_count_bit_for_found) { data_count_bit = decode_count_bit; if (callback) callback(this); } decode_data = 0; decode_count_bit = 0; break; } else { te_last = duration; parser_step = DoitrandDecoderStepCheckDuration; } } break; case DoitrandDecoderStepCheckDuration: if (level) { if ((DURATION_DIFF(te_last, te_short) < te_delta) && (DURATION_DIFF(duration, te_long) < te_delta * 3)) { subghz_protocol_blocks_add_bit(0); parser_step = DoitrandDecoderStepSaveDuration; } else if ( (DURATION_DIFF(te_last, te_long) < te_delta * 3) && (DURATION_DIFF(duration, te_short) < te_delta)) { subghz_protocol_blocks_add_bit(1); parser_step = DoitrandDecoderStepSaveDuration; } else { parser_step = DoitrandDecoderStepReset; } } else { parser_step = DoitrandDecoderStepReset; } break; } } }; #endif