openthread_sys

Function otLinkSendEmptyData

Source 
pub unsafe extern "C" fn otLinkSendEmptyData(
    aInstance: *mut otInstance,
) -> otError
Expand description

Instructs the device to send an empty IEEE 802.15.4 data frame.

Is only supported on an Rx-Off-When-Idle device to send an empty data frame to its parent. Note: available only when OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE is enabled.

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

@retval OT_ERROR_NONE Successfully enqueued an empty message. @retval OT_ERROR_INVALID_STATE Device is not in Rx-Off-When-Idle mode. @retval OT_ERROR_NO_BUFS Insufficient message buffers available.