Sting Chang

> All read callbacks seem wrong: The requirement from `emberAfExternalAttributeReadCallback` at https://github.com/project-chip/connectedhomeip/blob/master/src/app/util/generic-callbacks.h#L81 says > > ``` > * If the application was successfully able to > * read the attribute...

@andy31415 can you please take a look at your convenience, thank you

> Also test heating cycle by either sending start on operationalState cluster or SetCookingParameters with StartAfterSetting=True on Microwave oven control cluster. The cycle should run for `CookTime` seconds. Tested with...