All files / src/commands status.ts

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import { Command, CommandType } from './command';
import { ControlService, PositionMaxValue, TiltMaxValue, VelocityMaxValue } from './control';
import { Buffer } from 'buffer/'
 
const ControlStatusCharacteristic = 'cafe1002-c0ff-ee01-8000-a110ca7ab1e0';
 
/// Read the current shade status
export class GetControlStatusCommand extends Command<ShadeStatus> {
	constructor() {
		// We don't write anything
		super(ControlService, ControlStatusCharacteristic, (encoder) => {}, CommandType.read);
		this.name = "GetControlStatus";
	}
 
	toData = (): any => {
		return undefined;
	};
 
	toValues = (): number[] => {
		return [];
	};
 
	parseResponse = (inbuf: Buffer): ShadeStatus => {
		Iif (!inbuf) { throw new Error("No response body"); }
 
		let buffer = Buffer.from(inbuf);
		const shadeType = buffer.readUInt8(0);
		const capabilities = buffer.readUInt8(1);
		const servoOnePosition = buffer.readUInt16LE(2);
		const servoTwoPosition = buffer.readUInt16LE(4);
		const servoThreePosition = buffer.readUInt16LE(6);
		const tiltPosition = buffer.readUInt16LE(8);
		const servoOneState = buffer.readUInt8(10);
		const servoTwoState = buffer.readUInt8(11);
		const servoThreeState = buffer.readUInt8(12);
		const shadeState = buffer.readUInt8(13);
		const batteryLevel = buffer.readUInt8(14);
 
		return {
			modelID: shadeType,
			capabilities,
			servo1: {
				position: (servoOnePosition / PositionMaxValue),
				motorState: servoOneState
			},
			servo2: {
				position: (servoTwoPosition / PositionMaxValue),
				motorState: servoTwoState
			},
			servo3: {
				position: (servoThreePosition / PositionMaxValue),
				motorState: servoThreeState
			},
			tiltPosition: (tiltPosition / TiltMaxValue),
			shadeState,
			batteryLevel
		}
	}
}
 
export class ServoStateChangeNotification {
	position: number;
	tilt: number;
	positionError: number;
	motorState: number;
 
	constructor(inbuf: Buffer) {
		let buffer = Buffer.from(inbuf);
		this.position = buffer.readUInt16LE(4);
		this.tilt = buffer.readUInt16LE(6);
		this.positionError = buffer.readUInt32LE(8);
		this.motorState = buffer.readUInt8(12);
	}
}
 
export enum MotorState {
	Stopped = 0x00,
	Stalled_Down = 0x01,
	Stalled_Up = 0x02
}
 
export interface ServoState {
	position: number; // UInt16
	motorState: MotorState; // UInt8
}
 
export interface ShadeStatus {
	modelID: number; // UInt8
	capabilities: number; // UInt8
	servo1: ServoState;
	servo2: ServoState;
	servo3: ServoState;
	tiltPosition: number; // UInt16
	shadeState: number; // UInt16
	batteryLevel: number; // UInt8
}