knxultimate
Version:
KNX IP protocol implementation for Node. This is the ENGINE of Node-Red KNX-Ultimate node.
39 lines • 1.57 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const KNXPacket_1 = __importDefault(require("./KNXPacket"));
const KNXConstants_1 = require("./KNXConstants");
class KNXTunnelingAck extends KNXPacket_1.default {
constructor(channelID, seqCounter, status) {
super(KNXConstants_1.KNX_CONSTANTS.TUNNELING_ACK, 4);
this.channelID = channelID;
this.seqCounter = seqCounter;
this.status = status;
}
static createFromBuffer(buffer, offset = 0) {
if (offset >= buffer.length) {
throw new Error('Buffer too short');
}
const structureLength = buffer.readUInt8(offset);
if (offset + structureLength > buffer.length) {
throw new Error('Buffer too short');
}
offset += 1;
const channelID = buffer.readUInt8(offset++);
const seqCounter = buffer.readUInt8(offset++);
const status = buffer.readUInt8(offset);
return new KNXTunnelingAck(channelID, seqCounter, status);
}
toBuffer() {
const buffer = Buffer.alloc(this.length);
buffer.writeUInt8(this.length, 0);
buffer.writeUInt8(this.channelID, 1);
buffer.writeUInt8(this.seqCounter, 2);
buffer.writeUInt8(this.status, 3);
return Buffer.concat([this.header.toBuffer(), buffer]);
}
}
exports.default = KNXTunnelingAck;
//# sourceMappingURL=KNXTunnelingAck.js.map