igrek8 / knx-listener Goto Github PK
View Code? Open in Web Editor NEWA thin client to monitor, write and read telegrams through KNX gateway
License: MIT License
A thin client to monitor, write and read telegrams through KNX gateway
License: MIT License
my KNX network gateway does not work when the seqn is the same on every request.
first write will work but the next one gets a ACK but will never be send on the bus.
not sure if this true for all gateways.
can be fixed with:
/**
* Generates next sequence number to number each knx telegram
*/
protected lastSeqnId: number = -1;
protected nextSeqn() {
let id = this.lastSeqnId;
id++;
if (id > 0xFF) {
id = 0;
}
while (this.sequenceIds.has(id)) {
id++;
if (id > 0xFF) {
id = 0;
}
if (id == this.lastSeqnId) {
throw new Error('Maximum sequence number reached');
}
}
this.lastSeqnId = id;
this.sequenceIds.add(id);
return id;
}
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