#ifndef __FPROTO_PRINCETON_H__ #define __FPROTO_PRINCETON_H__ #include "subghzdbase.hpp" typedef enum : uint8_t { PrincetonDecoderStepReset = 0, PrincetonDecoderStepSaveDuration, PrincetonDecoderStepCheckDuration, } PrincetonDecoderStep; class FProtoSubGhzDPrinceton : public FProtoSubGhzDBase { public: FProtoSubGhzDPrinceton() { sensorType = FPS_PRINCETON; te_short = 390; te_long = 1170; te_delta = 300; min_count_bit_for_found = 24; } void feed(bool level, uint32_t duration) { switch (parser_step) { case PrincetonDecoderStepReset: if ((!level) && (DURATION_DIFF(duration, te_short * 36) < te_delta * 36)) { // Found Preambula parser_step = PrincetonDecoderStepSaveDuration; decode_data = 0; decode_count_bit = 0; } break; case PrincetonDecoderStepSaveDuration: // save duration if (level) { te_last = duration; parser_step = PrincetonDecoderStepCheckDuration; } break; case PrincetonDecoderStepCheckDuration: if (!level) { if (duration >= ((uint32_t)te_long * 2)) { parser_step = PrincetonDecoderStepSaveDuration; 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; } 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 = PrincetonDecoderStepSaveDuration; } 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 = PrincetonDecoderStepSaveDuration; } else { parser_step = PrincetonDecoderStepReset; } } else { parser_step = PrincetonDecoderStepReset; } break; } } }; #endif