Function openthread_sys::otPlatBleGattClientSubscribeRequest

pub unsafe extern "C" fn otPlatBleGattClientSubscribeRequest(
    aInstance: *mut otInstance, 
    aHandle: u16, 
    aSubscribing: bool
) -> otError

Subscribes for characteristic indications.

@note This function shall be used only for GATT Client.

@param[in] aInstance The OpenThread instance structure. @param[in] aHandle The handle of the attribute to be written. @param[in] aSubscribing True if subscribing, otherwise unsubscribing.

@retval ::OT_ERROR_NONE Subscription has been sent. @retval ::OT_ERROR_INVALID_STATE BLE Device is in invalid state. @retval ::OT_ERROR_INVALID_ARGS Invalid handle value, data or data length has been supplied. @retval ::OT_ERROR_NO_BUFS No available internal buffer found.