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Workaround for buggy IRIS CT101 thermostat #1919

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Workaround for buggy IRIS CT101 thermostat #1919

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12 changes: 10 additions & 2 deletions src/main/java/org/openhab/binding/zwave/internal/protocol/ZWaveNode.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1282,12 +1282,15 @@ public List<ZWaveCommandClassPayload> processCommand(ZWaveCommandClassPayload pa
}

// Check that the length is long enough for the encapsulated command to be included
if (payload.getCommandClassCommand() == 6 && payload.getPayloadLength() > 4) {
if (payload.getCommandClassCommand() == 6 && payload.getPayloadLength() > 4
&& !hasMultiInstanceAsMultiChannelQuirk()) {
// MULTI_INSTANCE_ENCAP
endpointNumber = payload.getPayloadByte(2);

payload = new ZWaveCommandClassPayload(payload, 3);
} else if (payload.getCommandClassCommand() == 13 && payload.getPayloadLength() > 5) {
} else if ((payload.getCommandClassCommand() == 13
|| payload.getCommandClassCommand() == 6 && hasMultiInstanceAsMultiChannelQuirk())
&& payload.getPayloadLength() > 5) {
// MULTI_CHANNEL_ENCAP
endpointNumber = multichannelCommandClass.getSourceEndpoint(payload);
payload = new ZWaveCommandClassPayload(payload, 4);
Expand Down Expand Up @@ -1541,4 +1544,9 @@ private synchronized void resetSleepTimer() {
}
timerTask = null;
}

// The IRIS Radio Thermostat CT-101 has a bug where it sends an incorrect command class code.
private boolean hasMultiInstanceAsMultiChannelQuirk() {
return manufacturer == 0x98 && deviceType == 0x6501 && deviceId == 0xc;
}
}