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Bluetooth: AVDTP: SEP Definition

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Added
SEP structure
SEP Registration function

Change-Id: Ib8c4a1753c85390009c154a50a1a1a2f2794e8a2
Signed-off-by: Arun Jagadish <arun.jagadish@intel.com>
This commit is contained in:
Arun Jagadish 2016-11-09 16:34:04 +05:30 • committed by Johan Hedberg
commit 6f3c4bf425
3 changed files with 94 additions and 0 deletions
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55
include/bluetooth/avdtp.h Normal file
View file

@ -0,0 +1,55 @@
/** @file
* @brief Audio/Video Distribution Transport Protocol header.
*/
/*
* Copyright (c) 2015-2016 Intel Corporation
*
* Licensed 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 __BT_AVDTP_H
#define __BT_AVDTP_H
#ifdef __cplusplus
extern "C" {
#endif
/** @brief AVDTP SEID Information */
struct bt_avdtp_seid_info {
/** Stream End Point ID */
uint8_t id:6;
/** End Point usage status */
uint8_t inuse:1;
/** Reserved */
uint8_t rfa0:1;
/** Media-type of the End Point */
uint8_t media_type:4;
/** TSEP of the End Point */
uint8_t tsep:1;
/** Reserved */
uint8_t rfa1:3;
} __packed;
/** @brief AVDTP Local SEP*/
struct bt_avdtp_seid_lsep {
/** Stream End Point information */
struct bt_avdtp_seid_info sep;
/** Pointer to next local Stream End Point structure */
struct bt_avdtp_seid_lsep *next;
};
#ifdef __cplusplus
}
#endif
#endif /* __BT_AVDTP_H */

30
subsys/bluetooth/host/avdtp.c
View file

@ -17,6 +17,7 @@
#include <zephyr.h>
#include <string.h>
#include <strings.h>
#include <errno.h>
#include <atomic.h>
#include <misc/byteorder.h>
@ -26,6 +27,7 @@
#include <bluetooth/hci.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/l2cap.h>
#include <bluetooth/avdtp.h>
#include "l2cap_internal.h"
#include "avdtp_internal.h"
@ -48,6 +50,8 @@ static struct bt_avdtp bt_avdtp_pool[CONFIG_BLUETOOTH_AVDTP_CONN];
static struct bt_avdtp_event_cb *event_cb;
static struct bt_avdtp_seid_lsep *lseps;
#define AVDTP_CHAN(_ch) CONTAINER_OF(_ch, struct bt_avdtp, br_chan.chan)
/* L2CAP Interface callbacks */
@ -154,6 +158,32 @@ int bt_avdtp_register(struct bt_avdtp_event_cb *cb)
return 0;
}
int bt_avdtp_register_sep(uint8_t media_type, uint8_t role,
struct bt_avdtp_seid_lsep *lsep)
{
BT_DBG("");
static uint8_t bt_avdtp_seid = BT_AVDTP_MIN_SEID;
if (!lsep) {
return -EIO;
}
if (bt_avdtp_seid == BT_AVDTP_MAX_SEID) {
return -EIO;
}
lsep->sep.id = bt_avdtp_seid++;
lsep->sep.inuse = 0;
lsep->sep.media_type = media_type;
lsep->sep.tsep = role;
lsep->next = lseps;
lseps = lsep;
return 0;
}
/* init function */
int bt_avdtp_init(void)
{

9
subsys/bluetooth/host/avdtp_internal.h
View file

@ -16,6 +16,8 @@
* limitations under the License.
*/
#include <bluetooth/avdtp.h>
/* @brief A2DP ROLE's */
#define A2DP_SRC_ROLE 0x00
#define A2DP_SNK_ROLE 0x01
@ -97,6 +99,9 @@
#define BT_AVDTP_MIN_MTU 48
#define BT_AVDTP_MAX_MTU CONFIG_BLUETOOTH_L2CAP_IN_MTU
#define BT_AVDTP_MIN_SEID 0x01
#define BT_AVDTP_MAX_SEID 0x3E
/* Helper to calculate needed outgoing buffer size. */
#define BT_AVDTP_BUF_SIZE(mtu) (CONFIG_BLUETOOTH_HCI_SEND_RESERVE + \
sizeof(struct bt_hci_acl_hdr) + \
@ -156,3 +161,7 @@ int bt_avdtp_connect(struct bt_conn *conn, struct bt_avdtp *session);
/* AVDTP disconnect */
int bt_avdtp_disconnect(struct bt_avdtp *session);
/* AVDTP SEP register function */
int bt_avdtp_register_sep(uint8_t media_type, uint8_t role,
struct bt_avdtp_seid_lsep *sep);