106 lines
3.7 KiB
C
106 lines
3.7 KiB
C
/****************************************************************************
|
|
* net/ieee802154/ieee802154_poll.c
|
|
* Poll for the availability of ougoing IEEE 802.15.4 frames
|
|
*
|
|
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote
|
|
* products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <assert.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/net/netconfig.h>
|
|
#include <nuttx/net/radiodev.h>
|
|
#include <nuttx/net/ieee802154.h>
|
|
|
|
#include "devif/devif.h"
|
|
#include "ieee802154/ieee802154.h"
|
|
|
|
#ifdef CONFIG_NET_IEEE802154
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: ieee802154_poll
|
|
*
|
|
* Description:
|
|
* Poll a packet "connection" structure for availability of TX data
|
|
*
|
|
* Input Parameters:
|
|
* dev - The device driver structure to use in the send operation
|
|
* conn - The packet "connection" to poll for TX data
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
* The network is locked.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void ieee802154_poll(FAR struct net_driver_s *dev,
|
|
FAR struct ieee802154_conn_s *conn)
|
|
{
|
|
FAR struct radio_driver_s *radio;
|
|
|
|
DEBUGASSERT(dev != NULL && conn != NULL);
|
|
radio = (FAR struct radio_driver_s *)dev;
|
|
|
|
/* Verify that the packet connection is valid */
|
|
|
|
if (conn != NULL)
|
|
{
|
|
/* Setup for the application callback (NOTE: These should not be
|
|
* used by PF_IEEE802154 sockets).
|
|
*/
|
|
|
|
radio->r_dev.d_appdata = radio->r_dev.d_buf;
|
|
radio->r_dev.d_len = 0;
|
|
radio->r_dev.d_sndlen = 0;
|
|
|
|
/* Perform the application callback */
|
|
/* REVISIT: Need to pass the meta data and the IOB through the callback */
|
|
#warning Missing logic
|
|
|
|
/* Perform the application callback */
|
|
|
|
(void)ieee802154_callback(radio, conn, IEEE802154_POLL);
|
|
}
|
|
}
|
|
|
|
#endif /* CONFIG_NET && CONFIG_NET_PKT */
|