node-red-contrib-knx-ultimate
Version:
Control your KNX intallation via Node-Red! Single Node KNX IN/OUT with optional ETS group address importer. Easy to use and highly configurable.
61 lines • 2.5 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.KNXConnectResponse = void 0;
const KNXConstants = require("./KNXConstants");
const KNXPacket = require("./KNXPacket");
const HPAI = require("./HPAI");
const CRD = require("./CRD");
class KNXConnectResponse extends KNXPacket.KNXPacket {
constructor(channelID, status, hpai, crd) {
super(KNXConstants.KNX_CONSTANTS.CONNECT_RESPONSE, hpai == null ? 2 : 2 + hpai.length + crd.length);
this.channelID = channelID;
this.status = status;
this.hpai = hpai;
this.crd = crd;
}
static createFromBuffer(buffer, offset = 0) {
if (offset + 2 > buffer.length) {
throw new Error('Buffer too short');
}
const channelID = buffer.readUInt8(offset++);
const status = buffer.readUInt8(offset++);
let hpai, crd;
if (offset < buffer.length) {
hpai = HPAI.HPAI.createFromBuffer(buffer, offset);
offset += hpai.length;
crd = CRD.CRD.createFromBuffer(buffer, offset);
}
return new KNXConnectResponse(channelID, status, hpai, crd);
}
static statusToString(status) {
switch (status) {
case KNXConstants.KNX_CONSTANTS.E_SEQUENCE_NUMBER:
return 'Invalid Sequence Number';
case KNXConstants.KNX_CONSTANTS.E_CONNECTION_TYPE:
return 'Invalid Connection Type';
case KNXConstants.KNX_CONSTANTS.E_CONNECTION_OPTION:
return 'Invalid Connection Option';
case KNXConstants.KNX_CONSTANTS.E_NO_MORE_CONNECTIONS:
return 'No More Connections';
case KNXConstants.KNX_CONSTANTS.E_DATA_CONNECTION:
return 'Invalid Data Connection';
case KNXConstants.KNX_CONSTANTS.E_KNX_CONNECTION:
return 'Invalid KNX Connection';
case KNXConstants.KNX_CONSTANTS.E_TUNNELING_LAYER:
return 'Invalid Tunneling Layer';
default:
return `Unknown error ${status}`;
}
}
toBuffer() {
const buffer = Buffer.alloc(2);
buffer.writeUInt8(this.channelID, 0);
buffer.writeUInt8(this.status, 1);
if (this.hpai == null) {
return buffer;
}
return Buffer.concat([buffer, this.hpai.toBuffer(), this.crd.toBuffer()]);
}
}
exports.KNXConnectResponse = KNXConnectResponse;
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