knxultimate/src/protocol/KNXDataBuffer.ts

KNX IP protocol implementation for Node. This is the ENGINE of Node-Red KNX-Ultimate node.

/**
 * Utility buffer wrapper for KNX packet encoding.
 *
 * Written in Italy with love, sun and passion, by Massimo Saccani.
 *
 * Released under the MIT License.
 * Use at your own risk; the author assumes no liability for damages.
 */

export default class KNXDataBuffer {
	private _data: any

	private _info: any

	constructor(_data: Buffer, _info?: IDataPoint) {
		this._data = _data
		this._info = _info
	}

	get length(): number {
		return this._data == null ? 0 : this._data.length
	}

	get value(): any {
		return this._data
	}

	get info(): any {
		return this._info
	}

	sixBits(): boolean {
		if (this.info == null) {
			return true
		}
		// return !(this.info.type.type === '1');
		return this.info.type.type
	}
}

export interface IDataPoint {
	id: string
	value: any
	type: {
		type: boolean
	}
	bind: any | null
	read: () => any | null
	write: ((data: any) => void) | null
}