# BLEPeripheralServer.onCharacteristicReadRequest(function callback)
Start from base library version 2.10.3. Please remaining backward compatible.
with Promise style call: Not supported
Mini Program plugin: Not supported
Listen to connected devices request to read the eigenvalue events of the current peripheral device. You need to call the writeCharacteristicValue Write back the data or the host will not receive the response.
# parameter
# function callback
A callback function for connected devices requesting to read the current peripheral's eigenvalue event
# parameter
# Object res
attribute | type | Introductions |
---|---|---|
serviceId | String | Bluetooth Feature Corresponding Service UUID |
characteristicId | String | Bluetooth characteristic UUID |
callbackId | Number | Unique identifier, calling writeCharacteristicValue Use when |