nuttx/drivers/wireless/ieee802154/xbee/xbee_mac.h
Alin Jerpelea df088c39f0 author: Anthony Merlino : update licenses to Apache
Verge Aero has submitted the SGA

Anthony Merlino has submitted the SGA

Gregory Nutt has submitted the SGA

Sebastien Lorquet has submitted the ICLA

as a result we can migrate the licenses to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-09-06 20:38:14 +08:00

235 lines
9.0 KiB
C

/****************************************************************************
* drivers/wireless/ieee802154/xbee/xbee_mac.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __DRIVERS_WIRELESS_IEEE802154_XBEE_MAC_H
#define __DRIVERS_WIRELESS_IEEE802154_XBEE_MAC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <nuttx/wqueue.h>
#include <nuttx/spi/spi.h>
#include <nuttx/wireless/ieee802154/xbee.h>
#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Types
****************************************************************************/
/* Callback operations to notify the next highest layer of various
* asynchronous events, usually triggered by some previous request or
* response invoked by the upper layer.
*/
struct xbee_maccb_s
{
FAR struct xbee_maccb_s *flink; /* Implements a singly linked list */
uint8_t prio; /* RX frame callback priority */
/* Callback for various MLME or MCPS service events. Return value
* represents whether the callback accepts the primitive. >= 0 means the
* callback has accepted the primitive and is responsible for calling
* ieee802154_primitive_free(). In the case of DATA.indication primitive,
* only one callback can accept the frame. The callbacks are stored in
* order of receiver priority defined by the 'prio' field above. All other
* notifications are offered to all callbacks and all can accept and free
* separately since the primitive will not be freed until the nclients
* count reaches 0.
*/
CODE int (*notify)(FAR struct xbee_maccb_s *maccb,
FAR struct ieee802154_primitive_s *primitive);
};
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Inline Functions
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: xbee_bind
*
* Description:
* Bind the XBee callback table to the MAC state.
*
* Input Parameters:
* xbee - Reference to the XBee driver state structure
* cb - XBee callback operations
*
* Returned Value:
* OK on success; Negated errno on failure.
*
****************************************************************************/
int xbee_bind(XBEEHANDLE xbee, FAR struct xbee_maccb_s *cb);
/****************************************************************************
* Name: xbee_ioctl
*
* Description:
* Handle MAC and radio IOCTL commands directed to the XBee device.
*
* Input Parameters:
* mac - Reference to the Xbee driver state structure
* cmd - The IOCTL command
* arg - The argument for the IOCTL command
*
* Returned Value:
* OK on success; Negated errno on failure.
*
****************************************************************************/
int xbee_ioctl(XBEEHANDLE xbee, int cmd, unsigned long arg);
/****************************************************************************
* MAC Interface Operations
****************************************************************************/
/****************************************************************************
* Name: xbee_get_mhrlen
*
* Description:
* Calculate the MAC header length given the frame meta-data. For the
* XBee, we use the header to store the entire API frame for the TX
* request. The size we need is fixed based on the address mode we are
* using as it changes which API frame we need to issue.
*
****************************************************************************/
int xbee_get_mhrlen(XBEEHANDLE xbee,
FAR const struct ieee802154_frame_meta_s *meta);
/****************************************************************************
* Name: xbee_req_data
*
* Description:
* The MCPS-DATA.request primitive requests the transfer of a data SPDU
* (i.e., MSDU) from a local SSCS entity to a single peer SSCS entity.
* Confirmation is returned via the
* struct xbee_maccb_s->conf_data callback.
*
****************************************************************************/
int xbee_req_data(XBEEHANDLE xbee,
FAR const struct ieee802154_frame_meta_s *meta,
FAR struct iob_s *frame);
/****************************************************************************
* Name: xbee_req_get
*
* Description:
* The MLME-GET.request primitive requests information about a given PIB
* attribute.
*
* NOTE: The standard specifies that the attribute value should be returned
* via the asynchronous MLME-GET.confirm primitive. However, in our
* implementation, we synchronously return the value immediately.Therefore,
* we merge the functionality of the MLME-GET.request and MLME-GET.confirm
* primitives together.
*
****************************************************************************/
int xbee_req_get(XBEEHANDLE xbee, enum ieee802154_attr_e attr,
FAR union ieee802154_attr_u *attrval);
/****************************************************************************
* Name: xbee_req_set
*
* Description:
* The MLME-SET.request primitive attempts to write the given value to the
* indicated MAC PIB attribute.
*
* NOTE:
* The standard specifies that confirmation should be indicated via the
* asynchronous MLME-SET.confirm primitive. However, in our implementation
* we synchronously return the status from the request. Therefore, we do
* merge the functionality of the MLME-SET.request and MLME-SET.confirm
* primitives together.
*
****************************************************************************/
int xbee_req_set(XBEEHANDLE xbee, enum ieee802154_attr_e attr,
FAR const union ieee802154_attr_u *attrval);
/****************************************************************************
* Name: xbee_req_start
*
* Description:
* The MLME-START.request primitive makes a request for the device to start
* acting as a coordinator. The XBee modules do not support beacon-enabled
* networking!
*
****************************************************************************/
int xbee_req_start(XBEEHANDLE xbee, FAR struct ieee802154_start_req_s *req);
/****************************************************************************
* Name: xbee_req_associate
*
* Description:
* The MLME-ASSOCIATE.request primitive allows a device to request an
* association with a coordinator.
*
* On receipt of the MLME-ASSOCIATE.request primitive, the MLME of an
* unassociated device first updates the appropriate PHY and MAC PIB
* attributes, as described in 5.1.3.1, and then generates an association
* request command, as defined in 5.3.1 [1] pg.80
*
****************************************************************************/
int xbee_req_associate(XBEEHANDLE xbee,
FAR struct ieee802154_assoc_req_s *req);
/****************************************************************************
* Name: xbee_req_reset
*
* Description:
* The MLME-RESET.request primitive allows the next higher layer to request
* that the MLME performs a reset operation.
*
* Input Parameters:
* xbee - Handle to the XBee instance
* resetattr - Whether or not to reset the MAC PIB attributes to
* defaults
*
****************************************************************************/
int xbee_req_reset(XBEEHANDLE xbee, bool resetattr);
#endif /* __DRIVERS_WIRELESS_IEEE802154_XBEE_MAC_H */