GUI/mqtt.js at main · Cansat2023/GUI · GitHub

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TEAM_ID = "1095";
USERNAME = "username";
PASSWORD = "password";


const mqtt = require('mqtt');
const client = mqtt.connect('cansat.info', {
    username: USERNAME,
    password: PASSWORD,
    port: 1883
});


client.on(
    'connect',
    () => {
        client.subscribe('presence', (err) => {
            if(!err){
                setInterval(() => {
                    client.publish('teams/' + TEAM_ID, getData());
                }, 1000);
            }
        });
    }
)

PACKET_TYPES = ['C', 'T']

function getContainerData(){
    var containerData = {
        team_id: TEAM_ID,
        // time in HH:MM:SS
        timestamp: new Date().toLocaleTimeString(options = {
            hour12: false,
            hour: "2-digit",
            minute: "2-digit",
            second: "2-digit",
        }),
        packet_count: Math.round(Math.random() * 100),
        packet_type: PACKET_TYPES[0],
        mode: 'F',
        tp_released: 'R',
        // altitude with 0.1 resolution
        altitude: Math.round(Math.random() * 100) / 10,
        // temp in 0.1 C resolution
        temperature: Math.round(Math.random() * 100) / 10,
        // voltage in 0.01 V resolution
        voltage: Math.round(Math.random() * 100) / 100,
        gps_time: new Date().toLocaleTimeString(options = {
            hour12: false,
            hour: "2-digit",
            minute: "2-digit",
            second: "2-digit",
        }),
        // gps latitude in 0.0001 resolution
        gps_latitude: Math.round(Math.random() * 100) / 10000,
        // gps longitude in 0.0001 resolution
        gps_longitude: Math.round(Math.random() * 100) / 10000,
        // gps altitude in 0.1 resolution
        gps_altitude: Math.round(Math.random() * 100) / 10,
        // gps sats in integer
        gps_sats: Math.round(Math.random() * 100),
        // Software state
        software_state: 'DESCENT',
        CMD_ECHO: 'CXON'
    }
    // create comma separated string
    var dataString = "";
    for (var key in containerData) {
        dataString += containerData[key] + ",";
    }
    // remove last comma
    dataString = dataString.substring(0, dataString.length - 1);
    return dataString;
}

function getPayloadData(){
    var containerData = {
        team_id: TEAM_ID,
        // time in HH:MM:SS
        timestamp: new Date().toLocaleTimeString(options = {
            hour12: false,
            hour: "2-digit",
            minute: "2-digit",
            second: "2-digit",
        }),
        packet_count: Math.round(Math.random() * 100),
        packet_type: PACKET_TYPES[1],
        // altitude with 0.1 resolution
        altitude: Math.round(Math.random() * 100) / 10,
        // temp in 0.1 C resolution
        temperature: Math.round(Math.random() * 100) / 10,
        // voltage in 0.01 V resolution
        voltage: Math.round(Math.random() * 100) / 100,
        // gyro roll pitch and yaw in degrees per second
        gyro_roll: Math.round(Math.random() * 100) / 100,
        gyro_pitch: Math.round(Math.random() * 100) / 100,
        gyro_yaw: Math.round(Math.random() * 100) / 100,
        // accel roll pitch and yaw in g
        accel_roll: Math.round(Math.random() * 100) / 100,
        accel_pitch: Math.round(Math.random() * 100) / 100,
        accel_yaw: Math.round(Math.random() * 100) / 100,
        // mag roll pitch and yaw in gauss
        mag_roll: Math.round(Math.random() * 100) / 100,
        mag_pitch: Math.round(Math.random() * 100) / 100,
        mag_yaw: Math.round(Math.random() * 100) / 100,
        // pointing error in degrees
        pointing_error: Math.round(Math.random() * 100) / 100,
        // Software state
        software_state: 'RELEASED',
        CMD_ECHO: 'CXON'
    }
    // create comma separated string
    var dataString = "";
    for (var key in containerData) {
        dataString += containerData[key] + ",";
    }
    // remove last comma
    dataString = dataString.substring(0, dataString.length - 1);
    return dataString;
}

console.log(getPayloadData());