#ifndef __FPROTO_EmosE601x_H__ #define __FPROTO_EmosE601x_H__ #include "weatherbase.hpp" #define EmosE601xMAGIC_HEADER 0xaaa583 typedef enum { EmosE601xDecoderStepReset = 0, EmosE601xDecoderStepCheckPreamble, EmosE601xDecoderStepSaveDuration, EmosE601xDecoderStepCheckDuration, } EmosE601xDecoderStep; class FProtoWeatherEmosE601x : public FProtoWeatherBase { public: FProtoWeatherEmosE601x() { sensorType = FPW_EmosE601x; } void feed(bool level, uint32_t duration) { switch (parser_step) { case EmosE601xDecoderStepReset: if ((level) && (DURATION_DIFF(duration, te_short * 7) < te_delta * 2)) { parser_step = EmosE601xDecoderStepCheckPreamble; te_last = duration; } break; case EmosE601xDecoderStepCheckPreamble: if (level) { te_last = duration; } else { if ((DURATION_DIFF(te_last, te_short * 7) < te_delta * 2) && (DURATION_DIFF(duration, te_short) < te_delta)) { // Found preamble parser_step = EmosE601xDecoderStepSaveDuration; decode_data = 0; decode_count_bit = 0; } else { parser_step = EmosE601xDecoderStepReset; } } break; case EmosE601xDecoderStepSaveDuration: if (level) { te_last = duration; parser_step = EmosE601xDecoderStepCheckDuration; } else { parser_step = EmosE601xDecoderStepReset; } break; case EmosE601xDecoderStepCheckDuration: if (!level) { if ((DURATION_DIFF(te_last, te_short) < te_delta) && (DURATION_DIFF(duration, te_long) < te_delta)) { subghz_protocol_blocks_add_to_128_bit(0, &upper_decode_data); parser_step = EmosE601xDecoderStepSaveDuration; } else if ( (DURATION_DIFF(te_last, te_long) < te_delta) && (DURATION_DIFF(duration, te_short) < te_delta)) { subghz_protocol_blocks_add_to_128_bit(1, &upper_decode_data); parser_step = EmosE601xDecoderStepSaveDuration; } else { parser_step = EmosE601xDecoderStepReset; break; } /* Bail out if the header doesn't match */ if (decode_count_bit == min_count_bit_for_found) { if (decode_data != EmosE601xMAGIC_HEADER) { parser_step = EmosE601xDecoderStepReset; break; } } if (decode_count_bit == 120) { if (ws_protocol_emose601x_check()) { if (callback) callback(this); } break; } } else { parser_step = EmosE601xDecoderStepReset; } break; } } protected: uint32_t te_short = 260; uint32_t te_long = 800; uint32_t te_delta = 100; uint32_t min_count_bit_for_found = 24; uint64_t upper_decode_data = 0; void subghz_protocol_blocks_add_to_128_bit(uint8_t bit, uint64_t* head_64_bit) { if (++decode_count_bit > 64) { (*head_64_bit) = ((*head_64_bit) << 1) | (decode_data >> 63); } decode_data = decode_data << 1 | bit; } bool ws_protocol_emose601x_check() { uint8_t msg[] = { static_cast(upper_decode_data >> 48), static_cast(upper_decode_data >> 40), static_cast(upper_decode_data >> 32), static_cast(upper_decode_data >> 24), static_cast(upper_decode_data >> 16), static_cast(upper_decode_data >> 8), static_cast(upper_decode_data), static_cast(decode_data >> 56), static_cast(decode_data >> 48), static_cast(decode_data >> 40), static_cast(decode_data >> 32), static_cast(decode_data >> 24), static_cast(decode_data >> 16)}; uint8_t sum = FProtoGeneral::subghz_protocol_blocks_add_bytes(msg, 13); return (sum == ((decode_data >> 8) & 0xff)); } }; #endif