#ifndef __FPROTO_Acurite_609TX_H__ #define __FPROTO_Acurite_609TX_H__ #include "weatherbase.hpp" typedef enum { Acurite_609TXCDecoderStepReset = 0, Acurite_609TXCDecoderStepSaveDuration, Acurite_609TXCDecoderStepCheckDuration, } Acurite_609TXCDecoderStep; class FProtoWeatherAcurite609TX : public FProtoWeatherBase { public: FProtoWeatherAcurite609TX() { sensorType = FPW_Acurite609TX; } void feed(bool level, uint32_t duration) { switch (parser_step) { case Acurite_609TXCDecoderStepReset: if ((!level) && (DURATION_DIFF(duration, te_short * 17) < te_delta * 8)) { // Found syncPrefix parser_step = Acurite_609TXCDecoderStepSaveDuration; decode_data = 0; decode_count_bit = 0; } break; case Acurite_609TXCDecoderStepSaveDuration: if (level) { te_last = duration; parser_step = Acurite_609TXCDecoderStepCheckDuration; } else { parser_step = Acurite_609TXCDecoderStepReset; } break; case Acurite_609TXCDecoderStepCheckDuration: if (!level) { if (DURATION_DIFF(te_last, te_short) < te_delta) { if ((DURATION_DIFF(duration, te_short) < te_delta) || (duration > te_long * 3)) { // Found syncPostfix parser_step = Acurite_609TXCDecoderStepReset; if ((decode_count_bit == min_count_bit_for_found) && ws_protocol_acurite_609txc_check()) { data = decode_data; data_count_bit = decode_count_bit; ws_protocol_acurite_609txc_remote_controller(); if (callback) callback(this); } decode_data = 0; decode_count_bit = 0; } else if ( DURATION_DIFF(duration, te_long) < te_delta * 2) { subghz_protocol_blocks_add_bit(0); parser_step = Acurite_609TXCDecoderStepSaveDuration; } else if ( DURATION_DIFF(duration, te_long * 2) < te_delta * 4) { subghz_protocol_blocks_add_bit(1); parser_step = Acurite_609TXCDecoderStepSaveDuration; } else { parser_step = Acurite_609TXCDecoderStepReset; } } else { parser_step = Acurite_609TXCDecoderStepReset; } } else { parser_step = Acurite_609TXCDecoderStepReset; } break; } } protected: uint32_t te_short = 500; uint32_t te_long = 2000; uint32_t te_delta = 150; uint32_t min_count_bit_for_found = 32; void ws_protocol_acurite_609txc_remote_controller() { id = (data >> 32) & 0xFF; battery_low = (data >> 31) & 1; channel = WS_NO_CHANNEL; // Temperature in Celsius is encoded as a 12 bit integer value // multiplied by 10 using the 4th - 6th nybbles (bytes 1 & 2) // negative values are recovered by sign extend from int16_t. int16_t temp_raw = (int16_t)(((data >> 12) & 0xf000) | ((data >> 16) << 4)); temp = (temp_raw >> 4) * 0.1f; humidity = (data >> 8) & 0xff; btn = WS_NO_BTN; } bool ws_protocol_acurite_609txc_check() { if (!decode_data) return false; uint8_t crc = (uint8_t)(decode_data >> 32) + (uint8_t)(decode_data >> 24) + (uint8_t)(decode_data >> 16) + (uint8_t)(decode_data >> 8); return (crc == (decode_data & 0xFF)); } }; #endif