TTN Smart Sensor (Hbi)

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var PTYPE_STATUS = 0x20; var PTYPE_TEST_START = 0x21; var PTYPE_TEST_FINISHED = 0x22; var PTYPE_MAIN_FAILURE = 0x23; var PTYPE_MAIN_RESTORED = 0x24; var PTYPE_BATTERY_FAILURE = 0x25; var PTYPE_HARDWARE_FAILURE = 0x26; var PTYPE_SHUTDOWN = 0x27; var TTYPE_NONE = 0x00; var TTYPE_SHORT = 0x01; var TTYPE_COMMISSIONING = 0x02; var TTYPE_FUNCTION = 0x03; var TTYPE_DURATION = 0x04; var CHARGER_OFF = 0x00; var CHARGER_TRICKLE = 0x01; var CHARGER_FULL = 0x02; var CHARGER_EMERGENCY = 0x03; var STATUSLED_OFF = 0x00; var STATUSLED_GREEN_CONT = 0x01; var STATUSLED_GREEN_SLOW = 0x02; var STATUSLED_GREEN_FAST = 0x03; var STATUSLED_RED_CONT = 0x04; var STATUSLED_RED_SLOW = 0x05; var STATUSLED_RED_FAST = 0x06; var FLAG_CONFIG_CORRUPTED = 0x00000002; //!< Configuration flash-memory corrupted var FLAG_RAM_LOSS = 0x00000004; //!< RAM memory contents destroyed var TIME_RTC_LOSS = 0x00000008; //!< RTC register contents destroyed var TIME_RTC_FAILURE = 0x00000010; //!< RTC failure detected var HAL_ULV_TOO_HIGH = 0x00000020; //!< Supply voltage too high var HAL_UBAT_TOO_LOW = 0x00000040; //!< Battery voltage below absolute minimum var HAL_UBAT_TOO_HIGH = 0x00000080; //!< Battery voltage above absolute maximum var HAL_IBAT_LIMITS = 0x00000100; //!< Battery current exceeds allowable limits var HAL_IBAT_CONTROL = 0x00000200; //!< Battery current control error var BAT_CHARGING = 0x00000400; //!< Battery voltage too low after charging var ATS_BAT_EXHAUSTED = 0x00000800; //!< Battery exhausted during any test var ATS_BAT_DURATION = 0x00001000; //!< Battery exhausted during duration test var LED_FAILURE = 0x00002000; //!< Led current control error var LORA_CMD_ERROR = 0x00004000; //!< LoRa module did not respond var LORA_TIMEOUT = 0x00008000; //!< LoRa module command timeout function bin16dec(bin) { var num = bin & 0xffff; if (0x8000 & num) num = -(0x010000 - num); return num; } function bin8dec(bin) { var num = bin & 0xff; if (0x80 & num) num = -(0x0100 - num); return num; } function hexToBytes(hex) { for (var bytes = [], c = 0; c < hex.length; c += 2) bytes.push(parseInt(hex.substr(c, 2), 16)); return bytes; } function DecodeStatusPart(data, obj) { obj.ch = data[0] & 3; // charger status obj.st = (data[0] & 240) >>> 4; // device status obj.swRa = data[1] & 1; // radar switch obj.swDl = (data[1] & 2) >>> 1; // daylight switch obj.swEm = (data[1] & 4) >>> 2; // emergency switch obj.swIn = (data[1] & 8) >>> 3; // intensity switch obj.l1 = (data[1] & 128) >>> 7; obj.l2 = (data[1] & 64) >>> 6; obj.led = data[2]; // led intensity obj.dcc = (data[3] << 8) | data[4]; // battery voltage obj.temp = data[5]; // board temperature obj.lft = data[6]; // days since last function test obj.ldt = (data[7] << 8) | data[8]; // days since last duration test obj.ltd = data[9]; // latest duration test duration return obj; } function DecodeHbiEmergencyLight(data) { var obj = {}; var size; if (data.length < 5) { return obj; } obj.v = data[0] + '.' + data[1] + '.' + data[2]; // if (obj.v !== "0.1.6") { // return {}; // } for (i = 4; i < data.length; i++) { // console.log(data[i]); switch (data[i]) { case PTYPE_STATUS: obj.type = 'status'; size = data[i + 1]; obj = DecodeStatusPart(data.slice(i + 2, i + 2 + size), obj); i += size; break; case PTYPE_TEST_START: obj.type = 'test-start'; size = data[i + 1]; obj = DecodeStatusPart(data.slice(i + 2, i + 2 + size), obj); obj.tt = bin8dec(data[i + 12]); // test type i += size; break; case PTYPE_TEST_FINISHED: obj.type = 'test-finished'; size = data[i + 1]; obj = DecodeStatusPart(data.slice(i + 2, i + 2 + size), obj); obj.tt = data[i + 12]; // test type obj.td = (data[i + 13] << 8) | data[i + 14]; // test duration i += size; break; case PTYPE_MAIN_FAILURE: obj.type = 'mains-failure'; size = data[i + 1]; obj = DecodeStatusPart(data.slice(i + 2, i + 2 + size), obj); i += size; break; case PTYPE_MAIN_RESTORED: obj.type = 'mains-restored'; size = data[i + 1]; obj = DecodeStatusPart(data.slice(i + 2, i + 2 + size), obj); obj.d = (data[i + 12] << 8) | data[i + 13]; // duration i += size; break; case PTYPE_BATTERY_FAILURE: obj.type = 'battery-failure'; size = bin8dec(data[i + 1]); obj = DecodeStatusPart(data.slice(i + 2, i + 2 + size), obj); obj.flag = (data[i + 12] << 24) | (data[i + 13] << 16) | (data[i + 14] << 8) | data[i + 15]; // duration i += size; break; case PTYPE_HARDWARE_FAILURE: obj.type = 'hardware-failure'; size = bin8dec(data[i + 1]); obj = DecodeStatusPart(data.slice(i + 2, i + 2 + size), obj); obj.flag = (data[i + 12] << 24) | (data[i + 13] << 16) | (data[i + 14] << 8) | data[i + 15]; // duration i += size; break; case PTYPE_SHUTDOWN: obj.type = 'shutdown'; size = bin8dec(data[i + 1]); i += size; break; default: size = bin8dec(data[i + 1]); i += size; break; } i++; } return obj; } function Decoder(bytes, port) { return DecodeHbiEmergencyLight(bytes); } // // For Testing Only // const messages = [ // "00 01 02 0C 20 0A 22 87 0E 10 C6 0D 00 00 00 00", // status // "00 01 02 0D 21 0B 32 87 0E 10 A0 0F 00 00 00 00 01", // test start // "00 01 02 0F 22 0D 30 87 10 0F 0A 10 00 00 00 00 01 00 03", // test finished // "00 01 02 0C 23 0A 03 07 0E 10 c7 11 00 00 00 00", // mains failure // "00 01 02 0E 24 0C 00 C4 2E 0E 84 13 00 00 00 00 01 00", // mains restored // "00 01 02 10 25 0E 51 87 0E 17 8A 12 00 00 00 00 00 00 00 80", // battery failure // "00 01 02 10 26 0E 61 87 00 0F 9E 12 00 00 00 00 00 00 20 00", // hardware failure // "00 01 02 02 27 00" // shutdown // ]; // messages.forEach(m => { // const r = m.split(" "); // const b = r.map(b => hexToBytes(b)[0]); // const msg = Decoder(b, 1); // console.log(JSON.stringify(msg)); // }); function decodeUplink(input) { return { data: Decoder(input.bytes, input.port), warnings: [], errors: [], }; }