Function serialSetup

src/Utils/SerialData.js:104–205

(port)

      
var decIndex = 1; // Determines which data points to keep
function serialSetup(port) {
    // Notify the user that the serial port is being started
    let toastId = toast("Starting Serial on " + GetPortShortName(port)
            + " with baud rate: " + SerialDataObject.baudRate);


    // Set the global port object 
    SerialDataObject.port = port;
      
    // Starts the serial port
    SerialDataObject.serialObj = new SerialPort({
        path: port.path,
        baudRate: SerialDataObject.baudRate,
        autoOpen:true,
    },(err)=>{
        if(err){
            toast.dismiss(toastId);
            toast.error("Error starting serial port on " + GetPortShortName(port) + "\n\n" + err);    
            console.log(err);
        }
        else{
            console.log("Successful connection");
        }
    }
    );


    // Parser    
    const parser = SerialDataObject.serialObj.pipe(new ReadlineParser({ delimiter: '\r\n' }))
    // Run the parser to collect data
    var onVal = parser.on('data', addData)

    function addData(data) {
        // If there is decimation, don't add the data until the decimation index is reached
        if (decIndex >= GlobalSettings.global.decimation) {
            decIndex = 1;
        } else {
            decIndex += 1;
            return; // Dont add the data if the user is decimating
        }
        //--------------------- regular update --------------------- //
        SerialDataObject.Iter += 1;// Iterate 
        // Computations for the sample rate (only do this once every NsampleRateUpdate samples)
        if (SerialDataObject.Iter % SerialDataObject.NsampleRateUpdate === 0) {
            if (SerialDataObject.sampleHistory.length > 1) {
                var deltaT = SerialDataObject.timeHistory[SerialDataObject.timeHistory.length - 1] - SerialDataObject.timeHistory[0];
                var samples = SerialDataObject.sampleHistory[SerialDataObject.sampleHistory.length - 1] - SerialDataObject.sampleHistory[0];

                SerialDataObject.sampleRate = samples / deltaT * 1000;
            }
        }

        // Push the raw data (unless its NaN)
        SerialDataObject.rawData.push(data);
        if (SerialDataObject.rawData.length >= SerialDataObject.bufferSize) {
            // If the buffer is full, remove the first line of the raw data
            SerialDataObject.rawData.shift();
        }