EspruinoのLED1~3を簡単に制御するためのユーティリティクラス

signals.js

var Signals = (function () {
    function Signals() {
        this.leds = {
            "LED1": { light: false, type: undefined, intervalId: undefined, pin: LED1 },
            "LED2": { light: false, type: undefined, intervalId: undefined, pin: LED2 },
            "LED3": { light: false, type: undefined, intervalId: undefined, pin: LED3 }
        };
    }
    Signals.prototype.initLEDs = function (patterns) {
        for (var p in patterns) {
            if (this.leds[p].intervalId) {
                this.lightOut(p);
                clearInterval(this.leds[p].intervalId);
                this.leds[p].intervalId = undefined;
                this.leds[p].type = undefined;
            }
        }
    };
    Signals.prototype.set = function (patterns) {
        this.initLEDs(patterns);
        for (var p in patterns) {
            switch (patterns[p]) {
                case "on":
                    this.light(p);
                    break;
                case "off":
                    this.lightOut(p);
                    break;
                case "blink":
                    this.blink(p);
                    break;
            }
        }
    };
    Signals.prototype.light = function (name) {
        this.leds[name].pin.write(true);
        this.leds[name].type = "on";
    };
    Signals.prototype.lightOut = function (name) {
        this.leds[name].pin.write(false);
        this.leds[name].type = "off";
    };
    Signals.prototype.blink = function (name) {
        var that = this;
        var flg = false;
        this.leds[name].intervalId = setInterval(function () {
            flg = !flg;
            that.leds[name].pin.write(flg);
        }, 1000);
        this.leds[name].type = "blink";
    };
    return Signals;
})();

signals.ts

class Signals {
	leds: any;
	constructor(){
		this.leds = {
			"LED1": {light:false, type:undefined, intervalId:undefined, pin:LED1},
			"LED2": {light:false, type:undefined, intervalId:undefined, pin:LED2},
			"LED3": {light:false, type:undefined, intervalId:undefined, pin:LED3},
		};
	}
	initLEDs(patterns) {
		for(var p in patterns) {
			if(this.leds[p].intervalId){
				this.lightOut(p);
				clearInterval(this.leds[p].intervalId);
				this.leds[p].intervalId = undefined;
				this.leds[p].type = undefined;
			}
		}
	}
	set(patterns: any) {
		this.initLEDs(patterns);
		for(var p in patterns) {
			switch(patterns[p]) {
				case "on":
					this.light(p);
					break;
				case "off":
					this.lightOut(p);
					break;
				case "blink":
					this.blink(p);
					break;
			}
		}
	}
	light(name: string){
		this.leds[name].pin.write(true);
		this.leds[name].type = "on";
	}
	lightOut(name: string){
		this.leds[name].pin.write(false);
		this.leds[name].type = "off";
	}
	blink(name: string) {
		var that = this;
		var flg = false;
		this.leds[name].intervalId = setInterval(function() {
			flg = !flg;
			that.leds[name].pin.write(flg)
		}, 1000);
		this.leds[name].type = "blink";
	}
}

signals_test.js

/* TEST RUN */
var patterns = {
    "LED1": "off",
    "LED2": "blink",
    "LED3": "on"
};
var signals = new Signals();
signals.set(patterns);