2017-09-15 16:37:55 +02:00
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/****************************************************************************
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* drivers/wireless/ieee802154/xbee/xbee_mac.h
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*
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* Copyright (C) 2017 Verge Inc. All rights reserved.
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* Author: Anthony Merlino <anthony@vergeaero.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __DRIVERS_WIRELESS_IEEE802154_XBEE_MAC_H
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#define __DRIVERS_WIRELESS_IEEE802154_XBEE_MAC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <nuttx/wqueue.h>
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#include <nuttx/spi/spi.h>
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#include <nuttx/wireless/ieee802154/xbee.h>
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#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* Callback operations to notify the next highest layer of various
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* asynchronous events, usually triggered by some previous request or
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* response invoked by the upper layer.
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*/
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struct xbee_maccb_s
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{
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FAR struct xbee_maccb_s *flink; /* Implements a singly linked list */
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uint8_t prio; /* RX frame callback priority */
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2017-11-01 21:15:21 +01:00
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/* Callback for various MLME or MCPS service events. Return value represents
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* whether the callback accepts the primitive. >= 0 means the callback has
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* accepted the primitive and is responsible for calling
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* ieee802154_primitive_free(). In the case of DATA.indication primitive, only
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* one callback can accept the frame. The callbacks are stored in order of
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* receiver priority defined by the 'prio' field above. All other
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* notifications are offered to all callbacks and all can accept and free
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* separately since the primitive will not be freed until the nclients count
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* reaches 0. */
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CODE int (*notify)(FAR struct xbee_maccb_s *maccb,
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FAR struct ieee802154_primitive_s *primitive);
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2017-09-15 16:37:55 +02:00
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Inline Functions
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: xbee_bind
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*
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* Description:
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* Bind the XBee callback table to the MAC state.
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*
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2018-03-13 16:52:27 +01:00
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* Input Parameters:
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2017-09-15 16:37:55 +02:00
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* xbee - Reference to the XBee driver state structure
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* cb - XBee callback operations
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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****************************************************************************/
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int xbee_bind(XBEEHANDLE xbee, FAR struct xbee_maccb_s *cb);
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/****************************************************************************
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* Name: xbee_ioctl
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*
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* Description:
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* Handle MAC and radio IOCTL commands directed to the XBee device.
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*
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2018-03-13 16:52:27 +01:00
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* Input Parameters:
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2017-09-15 16:37:55 +02:00
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* mac - Reference to the Xbee driver state structure
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* cmd - The IOCTL command
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* arg - The argument for the IOCTL command
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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****************************************************************************/
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int xbee_ioctl(XBEEHANDLE xbee, int cmd, unsigned long arg);
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/****************************************************************************
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* MAC Interface Operations
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****************************************************************************/
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/****************************************************************************
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* Name: xbee_get_mhrlen
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*
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* Description:
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* Calculate the MAC header length given the frame meta-data. For the XBee,
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* we use the header to store the entire API frame for the TX request. The
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* size we need is fixed based on the address mode we are using as it changes
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* which API frame we need to issue.
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*
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****************************************************************************/
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int xbee_get_mhrlen(XBEEHANDLE xbee, FAR const struct ieee802154_frame_meta_s *meta);
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/****************************************************************************
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* Name: xbee_req_data
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*
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* Description:
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* The MCPS-DATA.request primitive requests the transfer of a data SPDU
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* (i.e., MSDU) from a local SSCS entity to a single peer SSCS entity.
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* Confirmation is returned via the
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* struct xbee_maccb_s->conf_data callback.
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*
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****************************************************************************/
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int xbee_req_data(XBEEHANDLE xbee, FAR const struct ieee802154_frame_meta_s *meta,
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FAR struct iob_s *frame);
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/****************************************************************************
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* Name: xbee_req_get
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*
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* Description:
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* The MLME-GET.request primitive requests information about a given PIB
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* attribute.
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*
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* NOTE: The standard specifies that the attribute value should be returned
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2020-02-23 09:50:23 +01:00
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* via the asynchronous MLME-GET.confirm primitive. However, in our
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2017-09-15 16:37:55 +02:00
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* implementation, we synchronously return the value immediately.Therefore, we
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* merge the functionality of the MLME-GET.request and MLME-GET.confirm
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* primitives together.
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*
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****************************************************************************/
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int xbee_req_get(XBEEHANDLE xbee, enum ieee802154_attr_e attr,
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FAR union ieee802154_attr_u *attrval);
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/****************************************************************************
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* Name: xbee_req_set
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*
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* Description:
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* The MLME-SET.request primitive attempts to write the given value to the
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* indicated MAC PIB attribute.
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*
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* NOTE: The standard specifies that confirmation should be indicated via
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2020-02-23 09:50:23 +01:00
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* the asynchronous MLME-SET.confirm primitive. However, in our implementation
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2017-09-15 16:37:55 +02:00
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* we synchronously return the status from the request. Therefore, we do merge
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* the functionality of the MLME-SET.request and MLME-SET.confirm primitives
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* together.
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*
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****************************************************************************/
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int xbee_req_set(XBEEHANDLE xbee, enum ieee802154_attr_e attr,
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FAR const union ieee802154_attr_u *attrval);
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/****************************************************************************
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* Name: xbee_req_start
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*
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* Description:
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* The MLME-START.request primitive makes a request for the device to start
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* acting as a coordinator. The XBee modules do not support beacon-enabled
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* networking!
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*
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****************************************************************************/
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int xbee_req_start(XBEEHANDLE xbee, FAR struct ieee802154_start_req_s *req);
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/****************************************************************************
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* Name: xbee_req_associate
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*
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* Description:
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* The MLME-ASSOCIATE.request primitive allows a device to request an
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* association with a coordinator.
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*
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* On receipt of the MLME-ASSOCIATE.request primitive, the MLME of an
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* unassociated device first updates the appropriate PHY and MAC PIB
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* attributes, as described in 5.1.3.1, and then generates an association
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* request command, as defined in 5.3.1 [1] pg.80
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*
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****************************************************************************/
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int xbee_req_associate(XBEEHANDLE xbee, FAR struct ieee802154_assoc_req_s *req);
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/****************************************************************************
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* Name: xbee_req_reset
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*
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* Description:
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* The MLME-RESET.request primitive allows the next higher layer to request
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* that the MLME performs a reset operation.
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*
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* Input Parameters:
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* xbee - Handle to the XBee instance
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* resetattr - Whether or not to reset the MAC PIB attributes to defaults
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*
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****************************************************************************/
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int xbee_req_reset(XBEEHANDLE xbee, bool resetattr);
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#endif /* __DRIVERS_WIRELESS_IEEE802154_XBEE_MAC_H */
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