Please add Status return value for char setter callback

[d4rkmen]

In order to control operation status from setter. For example can send No answer status when sensor\anything else is unreachable. Or can return invalid value status for unsupported mode set
Thanks

[maximkulkin]

How this is supposed to work?

What’s the use case?

[d4rkmen]

process_characteristics_update:
HAPStatus status = HAPStatus_Success;
...
if (ch->setter_ex) {
status = ch->setter_ex(ch, h_value);
...
return status;

Usecase is very important: when user made an action, which cannot be completed on device side, setter can return error status and (Siri) will report - cant access your device. Othervise it will be success (but actually its not)
Lets say: your thermostat not supports cooling. User selected COOL and got success status.
Or an actor device is connected by some interface (serial/network/spi/i2c) which not responds - same problem.
For bridged acessories lost connection - same problem
Etc etc. Thanks for your attention.