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

communication with instrument through usb

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

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

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

function Channel() {
    this.type = 'SIN';
    this.load = 'DEF';
    this.ampl = '1';
    this.offset = '0';
    this.freq = '1E+6';
    this.state = 'OFF';
    this.vunit = 'VPP';
    this.sym = '5E+1';
    this.width = '1E+3';
    this.duty = '5E+1';
}

Channel.prototype.cmdHandler = {
    FuncType: {
        setHelper(chObj, arg) {
            chObj.type = arg;
        },
        getHandler(chObj, res) {
            res = res.slice(0, -1);
            chObj.type = res.toString();
            return true;
        },
    },
    Freq: {
        setHelper(chObj, arg) {
            chObj.freq = arg;
            return true;
        },
        getHandler(chObj, res) {
            res = res.slice(0, -1);
            chObj.freq = res.toString();
            return true;
        },
    },
    Ampl: {
        setHelper(chObj, arg) {
            chObj.ampl = arg;
            return true;
        },
        getHandler(chObj, res) {
            res = res.slice(0, -1);
            chObj.ampl = res.toString();
            return true;
        },
    },
    DCOffset: {
        setHelper(chObj, arg) {
            chObj.offset = arg;
        },
        getHandler(chObj, res) {
            res = res.slice(0, -1);
            chObj.offset = res.toString();
            return true;
        },
    },
    RampSym: {
        setHelper(chObj, arg) {
            chObj.sym = arg;
            return true;
        },
        getHandler(chObj, res) {
            res = res.slice(0, -1);
            chObj.sym = res.toString();
            return true;
        },
    },
    OutputState: {
        setHelper(chObj, arg) {
            chObj.state = arg;
        },
        getHandler(chObj, res) {
            res = res.slice(0, -1);
            chObj.state = res.toString();
            return true;
        },
    },
    OutputLoad: {
        setHelper(chObj, arg) {
            chObj.load = arg;
        },
        getHandler(chObj, res) {
            res = res.slice(0, -1);
            chObj.load = res.toString();
            return true;
        },
    },
    PulseWidth: {
        setHelper(chObj, arg) {
            chObj.width = arg;
        },
        getHandler(chObj, res) {
            res = res.slice(0, -1);
            chObj.width = res.toString();
            return true;
        },
    },
    SquDuty: {
        setHelper(chObj, arg) {
            chObj.duty = arg;
            return true;
        },
        getHandler(chObj, res) {
            res = res.slice(0, -1);
            chObj.duty = res.toString();
            return true;
        },
    },
    VoltageUnit: {
        setHelper(chObj, arg) {
            chObj.vunit = arg;
        },
        getHandler(chObj, res) {
            res = res.slice(0, -1);
            chObj.vunit = res.toString();
            return true;
        },
    },
};

Channel.prototype.setToDefault = function setToDefault(chObj) {
    chObj.type = 'SIN';
    chObj.load = 'DEF';
    chObj.ampl = '1';
    chObj.offset = '0';
    chObj.freq = '1E+6';
    chObj.state = 'OFF';
    chObj.vunit = 'VPP';
    chObj.sym = '5E+1';
    chObj.width = '1E+3';
    chObj.duty = '5E+1';
};

exports.initChanObj = function initChanObj(id) {
    const chanCmd = new Channel();

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