Uc-Series - Uc502

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/** * Payload Encoder * * Copyright 2025 Milesight IoT * * @product UC50x */ var RAW_VALUE = 0x00; /* eslint no-redeclare: "off" */ /* eslint-disable */ // Chirpstack v4 function encodeDownlink(input) { var encoded = milesightDeviceEncode(input.data); return { bytes: encoded }; } // Chirpstack v3 function Encode(fPort, obj) { return milesightDeviceEncode(obj); } // The Things Network function Encoder(obj, port) { return milesightDeviceEncode(obj); } /* eslint-enable */ function milesightDeviceEncode(payload) { var encoded = []; if ("collection_interval" in payload) { encoded = encoded.concat(setCollectionInterval(payload.collection_interval)); } if ("report_interval" in payload) { encoded = encoded.concat(setReportInterval(payload.report_interval)); } if ("reboot" in payload) { encoded = encoded.concat(reboot(payload.reboot)); } if ("sync_time" in payload) { encoded = encoded.concat(syncTime(payload.sync_time)); } if ("timestamp" in payload) { encoded = encoded.concat(setTimestamp(payload.timestamp)); } if ("time_zone" in payload) { encoded = encoded.concat(setTimeZone(payload.time_zone)); } if ("report_status" in payload) { encoded = encoded.concat(reportStatus(payload.report_status)); } if ("clear_history" in payload) { encoded = encoded.concat(clearHistory(payload.clear_history)); } if ("history_enable" in payload) { encoded = encoded.concat(setHistoryEnable(payload.history_enable)); } if ("retransmit_enable" in payload) { encoded = encoded.concat(setRetransmitEnable(payload.retransmit_enable)); } if ("retransmit_interval" in payload) { encoded = encoded.concat(setRetransmitInterval(payload.retransmit_interval)); } if ("resend_interval" in payload) { encoded = encoded.concat(setResendInterval(payload.resend_interval)); } if ("fetch_history" in payload) { encoded = encoded.concat(fetchHistory(payload.fetch_history)); } if ("stop_transmit" in payload) { encoded = encoded.concat(stopTransmit(payload.stop_transmit)); } if ("gpio_output_1" in payload) { encoded = encoded.concat(controlOutputStatus(1, payload.gpio_output_1)); } if ("gpio_output_2" in payload) { encoded = encoded.concat(controlOutputStatus(2, payload.gpio_output_2)); } return encoded; } /** * Set collection interval * @param {number} collection_interval unit: second * @example { "collection_interval": 300 } */ function setCollectionInterval(collection_interval) { if (typeof collection_interval !== "number") { throw new Error("collection_interval must be a number"); } if (collection_interval < 0) { throw new Error("collection_interval must be greater than 0"); } var buffer = new Buffer(4); buffer.writeUInt8(0xff); buffer.writeUInt8(0x02); buffer.writeUInt16LE(collection_interval); return buffer.toBytes(); } /** * Set report interval * @param {number} report_interval unit: second * @example { "report_interval": 300 } */ function setReportInterval(report_interval) { if (typeof report_interval !== "number") { throw new Error("report_interval must be a number"); } if (report_interval < 0) { throw new Error("report_interval must be greater than 0"); } var buffer = new Buffer(4); buffer.writeUInt8(0xff); buffer.writeUInt8(0x03); buffer.writeUInt16LE(report_interval); return buffer.toBytes(); } /** * Reboot * @param {number} reboot values: (0: no, 1: yes) * @example { "reboot": 1 } */ function reboot(reboot) { var yes_no_map = { 0: "no", 1: "yes" }; var reboot_values = getValues(yes_no_map); if (reboot_values.indexOf(reboot) === -1) { throw new Error("reboot must be one of " + reboot_values.join(", ")); } if (getValue(yes_no_map, reboot) === 0) { return []; } return [0xff, 0x10, 0xff]; } /** * Sync time * @param {number} sync_time values: (0: no, 1: yes) * @example { "sync_time": 1 } */ function syncTime(sync_time) { var yes_no_map = { 0: "no", 1: "yes" }; var yes_no_values = getValues(yes_no_map); if (yes_no_values.indexOf(sync_time) === -1) { throw new Error("sync_time must be one of " + yes_no_values.join(", ")); } if (getValue(yes_no_map, sync_time) === 0) { return []; } return [0xff, 0x4a, 0x00]; } /** * Set timestamp * @param {number} timestamp unit: second * @example { "timestamp": 1710489600 } */ function setTimestamp(timestamp) { if (typeof timestamp !== "number") { throw new Error("timestamp must be a number"); } if (timestamp < 0) { throw new Error("timestamp must be greater than 0"); } var buffer = new Buffer(6); buffer.writeUInt8(0xff); buffer.writeUInt8(0x11); buffer.writeUInt32LE(timestamp); return buffer.toBytes(); } /** * set time zone * @param {number} time_zone unit: minute, UTC+8 -> 8 * 10 = 80 * @example { "time_zone": 80 } */ function setTimeZone(time_zone) { var timezone_map = { "-120": "UTC-12", "-110": "UTC-11", "-100": "UTC-10", "-95": "UTC-9:30", "-90": "UTC-9", "-80": "UTC-8", "-70": "UTC-7", "-60": "UTC-6", "-50": "UTC-5", "-40": "UTC-4", "-35": "UTC-3:30", "-30": "UTC-3", "-20": "UTC-2", "-10": "UTC-1", 0: "UTC", 10: "UTC+1", 20: "UTC+2", 30: "UTC+3", 35: "UTC+3:30", 40: "UTC+4", 45: "UTC+4:30", 50: "UTC+5", 55: "UTC+5:30", 57: "UTC+5:45", 60: "UTC+6", 65: "UTC+6:30", 70: "UTC+7", 80: "UTC+8", 90: "UTC+9", 95: "UTC+9:30", 100: "UTC+10", 105: "UTC+10:30", 110: "UTC+11", 120: "UTC+12", 127: "UTC+12:45", 130: "UTC+13", 140: "UTC+14" }; var timezone_values = getValues(timezone_map); if (timezone_values.indexOf(time_zone) === -1) { throw new Error("time_zone must be one of " + timezone_values.join(", ")); } var buffer = new Buffer(4); buffer.writeUInt8(0xff); buffer.writeUInt8(0x17); buffer.writeInt16LE(getValue(timezone_map, time_zone)); return buffer.toBytes(); } /** * report status * @param {number} report_status values: (0: no, 1: yes) * @example { "report_status": 1 } */ function reportStatus(report_status) { var yes_no_map = { 0: "no", 1: "yes" }; var yes_no_values = getValues(yes_no_map); if (yes_no_values.indexOf(report_status) === -1) { throw new Error("report_status must be one of " + yes_no_values.join(", ")); } if (getValue(yes_no_map, report_status) === 0) { return []; } return [0xff, 0x28, 0xff]; } /** * Clear history * @param {number} clear_history values: (0: no, 1: yes) * @example { "clear_history": 1 } */ function clearHistory(clear_history) { var yes_no_map = { 0: "no", 1: "yes" }; var yes_no_values = getValues(yes_no_map); if (yes_no_values.indexOf(clear_history) === -1) { throw new Error("clear_history must be one of " + yes_no_values.join(", ")); } if (getValue(yes_no_map, clear_history) === 0) { return []; } return [0xff, 0x27, 0x01]; } /** * Set history enable * @param {number} history_enable values: (0: disable, 1: enable) * @example { "history_enable": 1 } */ function setHistoryEnable(history_enable) { var enable_map = { 0: "disable", 1: "enable" }; var enable_values = getValues(enable_map); if (enable_values.indexOf(history_enable) === -1) { throw new Error("history_enable must be one of " + enable_values.join(", ")); } var buffer = new Buffer(2); buffer.writeUInt8(0xff); buffer.writeUInt8(0x68); buffer.writeUInt8(getValue(enable_map, history_enable)); return buffer.toBytes(); } /** * set retransmit enable * @param {number} retransmit_enable values: (0: disable, 1: enable) * @example { "retransmit_enable": 1 } */ function setRetransmitEnable(retransmit_enable) { var enable_map = { 0: "disable", 1: "enable" }; var enable_values = getValues(enable_map); if (enable_values.indexOf(retransmit_enable) === -1) { throw new Error("retransmit_enable must be one of " + enable_values.join(", ")); } var buffer = new Buffer(3); buffer.writeUInt8(0xff); buffer.writeUInt8(0x69); buffer.writeUInt8(getValue(enable_map, retransmit_enable)); return buffer.toBytes(); } /** * set retransmit interval * @param {number} retransmit_interval unit: second * @example { "retransmit_interval": 600 } */ function setRetransmitInterval(retransmit_interval) { if (typeof retransmit_interval !== "number") { throw new Error("retransmit_interval must be a number"); } var buffer = new Buffer(5); buffer.writeUInt8(0xff); buffer.writeUInt8(0x6a); buffer.writeUInt8(0x00); buffer.writeUInt16LE(retransmit_interval); return buffer.toBytes(); } /** * set resend interval * @param {number} resend_interval unit: second * @example { "resend_interval": 600 } */ function setResendInterval(resend_interval) { if (typeof resend_interval !== "number") { throw new Error("resend_interval must be a number"); } var buffer = new Buffer(5); buffer.writeUInt8(0xff); buffer.writeUInt8(0x6a); buffer.writeUInt8(0x01); buffer.writeUInt16LE(resend_interval); return buffer.toBytes(); } /** * fetch history * @param {object} fetch_history * @param {number} fetch_history.start_time * @param {number} fetch_history.end_time * @example { "fetch_history": { "start_time": 1710489600, "end_time": 1710489600 } } */ function fetchHistory(fetch_history) { var start_time = fetch_history.start_time; var end_time = fetch_history.end_time; if (typeof start_time !== "number") { throw new Error("start_time must be a number"); } if ("end_time" in fetch_history && typeof end_time !== "number") { throw new Error("end_time must be a number"); } var buffer; if (end_time === 0) { buffer = new Buffer(6); buffer.writeUInt8(0xfd); buffer.writeUInt8(0x6b); buffer.writeUInt32LE(start_time); } else { buffer = new Buffer(10); buffer.writeUInt8(0xfd); buffer.writeUInt8(0x6c); buffer.writeUInt32LE(start_time); buffer.writeUInt32LE(end_time); } return buffer.toBytes(); } /** * history stop transmit * @param {number} stop_transmit values: (0: no, 1: yes) * @example { "stop_transmit": 1 } */ function stopTransmit(stop_transmit) { var yes_no_map = { 0: "no", 1: "yes" }; var yes_no_values = getValues(yes_no_map); if (yes_no_values.indexOf(stop_transmit) === -1) { throw new Error("stop_transmit must be one of " + yes_no_values.join(", ")); } if (getValue(yes_no_map, stop_transmit) === 0) { return []; } return [0xfd, 0x6d, 0xff]; } /** * Control output status * @param {number} gpio_index values: (1: gpio_out_1, 2: gpio_out_2) * @param {number} status values: (0: off, 1: on) * @example { "gpio_out_1": 1 } * @example { "gpio_out_2": 0 } */ function controlOutputStatus(gpio_index, status) { var gpio_chns = [1, 2]; if (gpio_chns.indexOf(gpio_index) === -1) { throw new Error("gpio_output_x must be one of " + gpio_chns.join(", ")); } var on_off_map = { 0: "off", 1: "on" }; var on_off_values = getValues(on_off_map); if (on_off_values.indexOf(status) === -1) { throw new Error("gpio_output_" + gpio_index + "_control.status must be one of " + on_off_values.join(", ")); } var channel_ids = [0x03, 0x04]; var buffer = new Buffer(4); buffer.writeUInt8(channel_ids[gpio_index - 1]); buffer.writeUInt8(getValue(on_off_map, status)); buffer.writeUInt8(0xff); buffer.writeUInt8(0xff); return buffer.toBytes(); } function getValues(map) { var values = []; for (var key in map) { values.push(RAW_VALUE ? parseInt(key) : map[key]); } return values; } function getValue(map, value) { if (RAW_VALUE) return value; for (var key in map) { if (map[key] === value) { return parseInt(key); } } throw new Error("not match in " + JSON.stringify(map)); } function Buffer(size) { this.buffer = new Array(size); this.offset = 0; for (var i = 0; i < size; i++) { this.buffer[i] = 0; } } Buffer.prototype._write = function (value, byteLength, isLittleEndian) { var offset = 0; for (var index = 0; index < byteLength; index++) { offset = isLittleEndian ? index << 3 : (byteLength - 1 - index) << 3; this.buffer[this.offset + index] = (value >> offset) & 0xff; } }; Buffer.prototype.writeUInt8 = function (value) { this._write(value, 1, true); this.offset += 1; }; Buffer.prototype.writeInt8 = function (value) { this._write(value < 0 ? value + 0x100 : value, 1, true); this.offset += 1; }; Buffer.prototype.writeUInt16LE = function (value) { this._write(value, 2, true); this.offset += 2; }; Buffer.prototype.writeInt16LE = function (value) { this._write(value < 0 ? value + 0x10000 : value, 2, true); this.offset += 2; }; Buffer.prototype.writeUInt32LE = function (value) { this._write(value, 4, true); this.offset += 4; }; Buffer.prototype.writeInt32LE = function (value) { this._write(value < 0 ? value + 0x100000000 : value, 4, true); this.offset += 4; }; Buffer.prototype.toBytes = function () { return this.buffer; };