#ifndef __FPROTO_HOLTEKTH12X_H__ #define __FPROTO_HOLTEKTH12X_H__ #include "subghzdbase.hpp" typedef enum : uint8_t { Holtek_HT12XDecoderStepReset = 0, Holtek_HT12XDecoderStepFoundStartBit, Holtek_HT12XDecoderStepSaveDuration, Holtek_HT12XDecoderStepCheckDuration, } Holtek_HT12XDecoderStep; class FProtoSubGhzDHoltekHt12x : public FProtoSubGhzDBase { public: FProtoSubGhzDHoltekHt12x() { sensorType = FPS_HOLTEKHT12X; te_short = 320; te_long = 640; te_delta = 200; min_count_bit_for_found = 12; } void feed(bool level, uint32_t duration) { switch (parser_step) { case Holtek_HT12XDecoderStepReset: if ((!level) && (DURATION_DIFF(duration, te_short * 36) < te_delta * 36)) { // Found Preambula parser_step = Holtek_HT12XDecoderStepFoundStartBit; } break; case Holtek_HT12XDecoderStepFoundStartBit: if ((level) && (DURATION_DIFF(duration, te_short) < te_delta)) { // Found StartBit parser_step = Holtek_HT12XDecoderStepSaveDuration; decode_data = 0; decode_count_bit = 0; } else { parser_step = Holtek_HT12XDecoderStepReset; } break; case Holtek_HT12XDecoderStepSaveDuration: // save duration if (!level) { if (duration >= ((uint32_t)te_short * 10 + te_delta)) { if (decode_count_bit == min_count_bit_for_found) { if (data != decode_data) { data = decode_data; data_count_bit = decode_count_bit; if (callback) callback(this); } } decode_data = 0; decode_count_bit = 0; parser_step = Holtek_HT12XDecoderStepFoundStartBit; break; } else { te_last = duration; parser_step = Holtek_HT12XDecoderStepCheckDuration; } } else { parser_step = Holtek_HT12XDecoderStepReset; } break; case Holtek_HT12XDecoderStepCheckDuration: if (level) { if ((DURATION_DIFF(te_last, te_long) < te_delta * 2) && (DURATION_DIFF(duration, te_short) < te_delta)) { subghz_protocol_blocks_add_bit(1); parser_step = Holtek_HT12XDecoderStepSaveDuration; } else if ( (DURATION_DIFF(te_last, te_short) < te_delta) && (DURATION_DIFF(duration, te_long) < te_delta * 2)) { subghz_protocol_blocks_add_bit(0); parser_step = Holtek_HT12XDecoderStepSaveDuration; } else { parser_step = Holtek_HT12XDecoderStepReset; } } else { parser_step = Holtek_HT12XDecoderStepReset; } break; } } }; #endif