#ifndef __FPROTO_CAMEATOMO_H__ #define __FPROTO_CAMEATOMO_H__ #include "subghzdbase.hpp" typedef enum : uint8_t { CameAtomoDecoderStepReset = 0, CameAtomoDecoderStepDecoderData, } CameAtomoDecoderStep; class FProtoSubGhzDCameAtomo : public FProtoSubGhzDBase { public: FProtoSubGhzDCameAtomo() { sensorType = FPS_CAMEATOMO; te_short = 600; te_long = 1200; te_delta = 250; min_count_bit_for_found = 62; } void feed(bool level, uint32_t duration) { ManchesterEvent event = ManchesterEventReset; switch (parser_step) { case CameAtomoDecoderStepReset: if ((!level) && (DURATION_DIFF(duration, te_long * 60) < te_delta * 40)) { // Found header CAME parser_step = CameAtomoDecoderStepDecoderData; decode_data = 0; decode_count_bit = 1; FProtoGeneral::manchester_advance(manchester_saved_state, ManchesterEventReset, &manchester_saved_state, NULL); FProtoGeneral::manchester_advance(manchester_saved_state, ManchesterEventShortLow, &manchester_saved_state, NULL); } break; case CameAtomoDecoderStepDecoderData: if (!level) { if (DURATION_DIFF(duration, te_short) < te_delta) { event = ManchesterEventShortLow; } else if ( DURATION_DIFF(duration, te_long) < te_delta) { event = ManchesterEventLongLow; } else if ( duration >= ((uint32_t)te_long * 2 + te_delta)) { 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 = 1; FProtoGeneral::manchester_advance(manchester_saved_state, ManchesterEventReset, &manchester_saved_state, NULL); FProtoGeneral::manchester_advance(manchester_saved_state, ManchesterEventShortLow, &manchester_saved_state, NULL); } else { parser_step = CameAtomoDecoderStepReset; } } else { if (DURATION_DIFF(duration, te_short) < te_delta) { event = ManchesterEventShortHigh; } else if ( DURATION_DIFF(duration, te_long) < te_delta) { event = ManchesterEventLongHigh; } else { parser_step = CameAtomoDecoderStepReset; } } if (event != ManchesterEventReset) { bool bit; bool data_ok = FProtoGeneral::manchester_advance(manchester_saved_state, event, &manchester_saved_state, &bit); if (data_ok) { decode_data = (decode_data << 1) | !bit; decode_count_bit++; } } break; } } protected: ManchesterState manchester_saved_state = ManchesterStateMid1; void atomo_decrypt(uint8_t* buff) { buff[0] = (buff[0] ^ 5) & 0x7F; uint8_t tmpB = (-buff[0]) & 0x7F; uint8_t bitCnt = 8; while (bitCnt < 59) { if ((tmpB & 0x18) && (((tmpB / 8) & 3) != 3)) { tmpB = ((tmpB << 1) & 0xFF) | 1; } else { tmpB = (tmpB << 1) & 0xFF; } if (tmpB & 0x80) { buff[bitCnt / 8] ^= (0x80 >> (bitCnt & 7)); } bitCnt++; } } }; #endif