node-poweredup/src/devices/duplotrainbasecolorsensor.ts

79 lines
2.2 KiB
TypeScript

import { Device } from "./device";
import { IDeviceInterface } from "../interfaces";
import * as Consts from "../consts";
/**
* @class DuploTrainBaseColorSensor
* @extends Device
*/
export class DuploTrainBaseColorSensor extends Device {
constructor (hub: IDeviceInterface, portId: number) {
super(hub, portId, ModeMap, Consts.DeviceType.DUPLO_TRAIN_BASE_COLOR_SENSOR);
}
public receive (message: Buffer) {
const mode = this._mode;
switch (mode) {
case Mode.COLOR:
if (message[4] <= 10) {
const color = message[4];
/**
* Emits when a color sensor is activated.
* @event DuploTrainBaseColorSensor#color
* @type {object}
* @param {Color} color
*/
this.notify("color", { color });
}
break;
case Mode.REFLECTIVITY:
const reflect = message[4];
/**
* Emits when the light reflectivity changes.
* @event DuploTrainBaseColorSensor#reflect
* @type {object}
* @param {number} reflect Percentage, from 0 to 100.
*/
this.notify("reflect", { reflect });
break;
case Mode.RGB:
const red = Math.floor(message.readUInt16LE(4) / 4);
const green = Math.floor(message.readUInt16LE(6) / 4);
const blue = Math.floor(message.readUInt16LE(8) / 4);
/**
* Emits when the light reflectivity changes.
* @event DuploTrainBaseColorSensor#rgb
* @type {object}
* @param {number} red
* @param {number} green
* @param {number} blue
*/
this.notify("rgb", { red, green, blue });
break;
}
}
}
export enum Mode {
COLOR = 0x00,
REFLECTIVITY = 0x02,
RGB = 0x03
}
export const ModeMap: {[event: string]: number} = {
"color": Mode.COLOR,
"reflect": Mode.REFLECTIVITY,
"rgb": Mode.RGB
};