weblab-instrument/inst-driver/dmm/measure.js

communication with instrument through usb

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

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

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

function MeasCmd() {
    this.voltdc = '5E-1';
    this.voltac = '5E-1';
    this.voltdcac = '5E-1';
    this.currdc = '5E-1';
    this.currac = '5E-1';
    this.currdcac = '5E-1';
    this.resistance = '5E-1';
}

MeasCmd.prototype.cmdHandler = {
    MeasVoltDC: {
        getHandler(measObj, res) {
            measObj.voltdc = res;
            return true;
        },
    },
    MeasVoltAC: {
        getHandler(measObj, res) {
            measObj.voltac = res;
            return true;
        },
    },
    MeasVoltDCAC: {
        getHandler(measObj, res) {
            measObj.voltdcac = res;
            return true;
        },
    },
    MeasCurrDC: {
        getHandler(measObj, res) {
            measObj.currdc = res;
            return true;
        },
    },
    MeasCurrAC: {
        getHandler(measObj, res) {
            measObj.currac = res;
            return true;
        },
    },
    MeasCurrDCAC: {
        getHandler(measObj, res) {
            measObj.currdcac = res;
            return true;
        },
    },
    MeasRes: {
        getHandler(measObj, res) {
            measObj.resistance = res;
            return true;
        },
    },
};


exports.initMeasObj = function initMeasObj(id) {
    const measCmd = new MeasCmd();

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