DRAGINO - Ndds75

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/* eslint-disable prettier/prettier */ /* eslint-disable no-bitwise */ /* * NDDS75 */ function Decoder_120(bytes) { // Decode an uplink message from a buffer // (array) of bytes to an object of fields. // Device Info Not Repeated const version = (bytes[6] << 8) | bytes[7]; const battery_voltage = (bytes[8] << 8) | bytes[9]; const signal = bytes[10]; const mod = bytes[11]; const distance = (bytes[12] << 8) | bytes[13]; const interrupt = bytes[14]; const timestamp = (bytes[15] << 24) | (bytes[16] << 16) | (bytes[17] << 8) | bytes[18]; return [ { variable: "version", value: version }, { variable: "battery_voltage", value: (battery_voltage / 1000).toFixed(3), unit: "V" }, { variable: "signal", value: signal }, { variable: "mod", value: mod }, { variable: "distance", value: distance, unit: "mm" }, { variable: "interrupt", value: interrupt }, { variable: "timestamp", value: timestamp }, ]; } function Decoder(bytes) { // Decode an uplink message from a buffer // (array) of bytes to an object of fields. // Device Info Not Repeated const version = (bytes[6] << 8) | bytes[7]; const battery_voltage = (bytes[8] << 8) | bytes[9]; const signal = bytes[10]; const distance = (bytes[11] << 8) | bytes[12]; const interrupt = bytes[13]; return [ { variable: "version", value: version }, { variable: "battery_voltage", value: (battery_voltage / 1000).toFixed(3), unit: "V" }, { variable: "signal", value: signal }, { variable: "distance", value: distance, unit: "mm" }, { variable: "interrupt", value: interrupt }, ]; } // const device = { // id: "612dffcdc0826f001103869d", // profile: "5ffcc1f1603bf40028651339", // bucket: "612dffcdc0826f001103869e", // tags: [ // { // key: "device_id", // value: "612dffcdc0826f001103869d", // }, // { // key: "site_id", // value: "60edacfb10af8f0011aa528b", // }, // { // key: "organization_id", // value: "606b2b62f873ce001195cb7a", // }, // { // key: "device_type", // value: "asset", // }, // { // key: "equipment_id", // value: "200", // }, // { // key: "has_equip", // value: "true", // }, // ], // params: [ // { // key: "last_update", // value: "2021-08-31T13:24:10.438Z,lightgreen", // sent: false, // }, // { // key: "firmware_version", // value: "120", // }, // ], // }; const firmware_version = device.params.find((x) => x.key === "firmware_version"); if(!firmware_version){ firmware_version.value = "100"; } // let payload = [{ variable: "payload", value: "41105675203300780d130401048e0062710848" }]; const payload_raw = payload.find((x) => x.variable === "payload_raw" || x.variable === "payload" || x.variable === "data"); if (payload_raw) { try { // Convert the data from Hex to Javascript Buffer. const buffer = Buffer.from(payload_raw.value, "hex"); const device_id1 = buffer[0].toString(16); const device_id2 = buffer[1].toString(16); const device_id3 = buffer[2].toString(16); const device_id4 = buffer[3].toString(16); const device_id5 = buffer[4].toString(16); const device_id6 = buffer[5].toString(16); const device_id = `${device_id1}${device_id2}${device_id3}${device_id4}${device_id5}${device_id6}`; const serie = new Date().getTime(); let payload_aux; if (firmware_version.value === "100") { payload_aux = Decoder(buffer); } else if (firmware_version.value === "120") { payload_aux = Decoder_120(buffer); } payload = payload.concat( { variable: "device_id", value: device_id }, payload_aux.map((x) => ({ ...x, serie })) ); } catch (e) { // Print the error to the Live Inspector. console.error(e); // Return the variable parse_error for debugging. payload = [{ variable: "parse_error", value: e.message }]; } } // console.log(JSON.stringify(payload));