Function openthread_sys::otPlatBleGattClientCharacteristicsDiscover

pub unsafe extern "C" fn otPlatBleGattClientCharacteristicsDiscover(
    aInstance: *mut otInstance, 
    aStartHandle: u16, 
    aEndHandle: u16
) -> otError

Performs GATT Characteristic Discovery of a service.

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

@param[in] aInstance The OpenThread instance structure. @param[in] aStartHandle The start handle of a service. @param[in] aEndHandle The end handle of a service.

@retval ::OT_ERROR_NONE Characteristic Discovery procedure has been started. @retval ::OT_ERROR_INVALID_STATE BLE Device is in invalid state. @retval ::OT_ERROR_INVALID_ARGS Invalid start or end handle has been provided. @retval ::OT_ERROR_NO_BUFS No available internal buffer found.