Invoked when a local peripheral device is again ready to send characteristic value updates.
- iOS 6.0+
- macOS 10.9+
- tvOS 9.0+
- watchOS 4.0+
- Core Bluetooth
The peripheral manager providing this information.
When a call to the
update method fails because the underlying queue used to transmit the updated characteristic value is full, the
peripheral method is invoked when more space in the transmit queue becomes available. You can then implement this delegate method to resend the value.