Function openthread_sys::otLinkSendDataRequest

pub unsafe extern "C" fn otLinkSendDataRequest(
    aInstance: *mut otInstance
) -> otError

This function enqueues an IEEE 802.15.4 Data Request message for transmission.

@param[in] aInstance A pointer to an OpenThread instance.

@retval OT_ERROR_NONE Successfully enqueued an IEEE 802.15.4 Data Request message. @retval OT_ERROR_ALREADY An IEEE 802.15.4 Data Request message is already enqueued. @retval OT_ERROR_INVALID_STATE Device is not in rx-off-when-idle mode. @retval OT_ERROR_NO_BUFS Insufficient message buffers available.