weblab-instrument/inst-driver/afg/fm.js

communication with instrument through usb

const propMethod = require('../dev/propMethod.js');

// const debug = require('debug');

// const log = debug('fm_channel:log');

function FM() {
    this.temp = '';
    this.type = 'SIN';
    this.source = 'INTernal';
    this.freq = '1E+6';
    this.state = 'OFF';
    this.deviation = '1E+1';
}

FM.prototype.cmdHandler = {
    FMInteFunc: {
        setHelper(fmObj, arg) {
            fmObj.type = arg;
        },
        getHandler(fmObj, res) {
            res = res.slice(0, -1);
            fmObj.type = res.toString();
            return true;
        },
    },
    FMInteFreq: {
        setHelper(fmObj, arg) {
            fmObj.freq = arg;
            return true;
        },
        getHandler(fmObj, res) {
            res = res.slice(0, -1);
            fmObj.freq = res.toString();

            return true;
        },
    },
    FMSource: {
        setHelper(fmObj, arg) {
            fmObj.source = arg;
        },
        getHandler(fmObj, res) {
            res = res.slice(0, -1);
            fmObj.source = res.toString();
            return true;
        },
    },
    FMState: {
        setHelper(fmObj, arg) {
            fmObj.state = arg;
        },
        getHandler(fmObj, res) {
            res = res.slice(0, -1);
            fmObj.state = res.toString();
            return true;
        },
    },
    FMDeviation: {
        setHelper(fmObj, arg) {
            fmObj.deviation = arg;
            return true;
        },
        getHandler(fmObj, res) {
            res = res.slice(0, -1);
            fmObj.deviation = res.toString();
            return true;
        },
    },
};

exports.initFMObj = function initFMObj(id) {
    const fmCmd = new FM();

    fmCmd.id = id;
    fmCmd.prop = propMethod.CreatMethod.call(this, id);
    return fmCmd;
};