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This commit is contained in:
Ben V. Brown
2022-10-22 17:27:38 +11:00
parent 1162094682
commit a7ca43da7f
4 changed files with 2 additions and 4038 deletions
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4
source/Core/BSP/Pinecilv2/bl_mcu_sdk/components/ble/ble_stack/common/log.h
View File

@@ -89,10 +89,10 @@ extern "C" {
#if defined(CONFIG_BT_ASSERT) #if defined(CONFIG_BT_ASSERT)
#if defined(BFLB_BLE) #if defined(BFLB_BLE)
extern void user_vAssertCalled(void); extern void vAssertCalled(void);
#define BT_ASSERT(cond) \ #define BT_ASSERT(cond) \
if ((cond) == 0) \ if ((cond) == 0) \
user_vAssertCalled() vAssertCalled()
#else #else
#define BT_ASSERT(cond) \ #define BT_ASSERT(cond) \
if (!(cond)) { \ if (!(cond)) { \

716
source/Core/BSP/Pinecilv2/bl_mcu_sdk/components/ble/ble_stack/host/avdtp.c
View File

@@ -1,716 +0,0 @@
/*
* Audio Video Distribution Protocol
*
* SPDX-License-Identifier: Apache-2.0
*
*/
#include <zephyr.h>
#include <string.h>
#include <strings.h>
#include <errno.h>
#include <atomic.h>
#include <byteorder.h>
#include <util.h>
#include <hci_host.h>
#include <bluetooth.h>
#include <l2cap.h>
#include <a2dp.h>
#include <avdtp.h>
#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_AVDTP)
#define LOG_MODULE_NAME bt_avdtp
#include "log.h"
#include "hci_core.h"
#include "conn_internal.h"
#include "l2cap_internal.h"
#include "avdtp_internal.h"
#include "a2dp-codec.h"
#define AVDTP_MSG_POISTION 0x00
#define AVDTP_PKT_POSITION 0x02
#define AVDTP_TID_POSITION 0x04
#define AVDTP_SIGID_MASK 0x3f
#define AVDTP_GET_TR_ID(hdr) ((hdr & 0xf0) >> AVDTP_TID_POSITION)
#define AVDTP_GET_MSG_TYPE(hdr) (hdr & 0x03)
#define AVDTP_GET_PKT_TYPE(hdr) ((hdr & 0x0c) >> AVDTP_PKT_POSITION)
#define AVDTP_GET_SIG_ID(s) (s & AVDTP_SIGID_MASK)
static struct bt_avdtp_event_cb *event_cb;
static struct bt_avdtp_seid_lsep *lseps;
static uint8_t tid;
extern struct bt_a2dp_codec_sbc_params sbc_info;
#define AVDTP_CHAN(_ch) CONTAINER_OF(_ch, struct bt_avdtp, br_chan.chan)
#define AVDTP_KWORK(_work) CONTAINER_OF(_work, struct bt_avdtp_req, \
timeout_work)
#define AVDTP_TIMEOUT K_SECONDS(6)
static void handle_avdtp_discover_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_get_cap_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_set_conf_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_get_conf_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_reconf_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_open_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_start_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_close_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_suspend_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_abort_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_sec_ctrl_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_get_all_cap_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static void handle_avdtp_dly_rpt_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type);
static const struct {
uint8_t sig_id;
void (*func)(struct bt_avdtp *session, struct net_buf *buf,
uint8_t msg_type);
} handler[] = {
{ BT_AVDTP_DISCOVER, handle_avdtp_discover_cmd },
{ BT_AVDTP_GET_CAPABILITIES, handle_avdtp_get_cap_cmd },
{ BT_AVDTP_SET_CONFIGURATION, handle_avdtp_set_conf_cmd },
{ BT_AVDTP_GET_CONFIGURATION, handle_avdtp_get_conf_cmd },
{ BT_AVDTP_RECONFIGURE, handle_avdtp_reconf_cmd },
{ BT_AVDTP_OPEN, handle_avdtp_open_cmd },
{ BT_AVDTP_START, handle_avdtp_start_cmd },
{ BT_AVDTP_CLOSE, handle_avdtp_close_cmd },
{ BT_AVDTP_SUSPEND, handle_avdtp_suspend_cmd },
{ BT_AVDTP_ABORT, handle_avdtp_abort_cmd },
{ BT_AVDTP_SECURITY_CONTROL, handle_avdtp_sec_ctrl_cmd },
{ BT_AVDTP_GET_ALL_CAPABILITIES, handle_avdtp_get_all_cap_cmd },
{ BT_AVDTP_DELAYREPORT, handle_avdtp_dly_rpt_cmd },
};
static int avdtp_send(struct bt_avdtp *session,
struct net_buf *buf, struct bt_avdtp_req *req)
{
int result;
struct bt_avdtp_single_sig_hdr *hdr;
hdr = (struct bt_avdtp_single_sig_hdr *)buf->data;
result = bt_l2cap_chan_send(&session->br_chan.chan, buf);
if (result < 0) {
BT_ERR("Error:L2CAP send fail - result = %d", result);
return result;
}
/*Save the sent request*/
req->sig = AVDTP_GET_SIG_ID(hdr->signal_id);
req->tid = AVDTP_GET_TR_ID(hdr->hdr);
BT_DBG("sig 0x%02X, tid 0x%02X", req->sig, req->tid);
session->req = req;
/* Start timeout work */
k_delayed_work_submit(&session->req->timeout_work, AVDTP_TIMEOUT);
return result;
}
static struct net_buf *avdtp_create_pdu(uint8_t msg_type,
uint8_t pkt_type,
uint8_t sig_id)
{
struct net_buf *buf;
struct bt_avdtp_single_sig_hdr *hdr;
BT_DBG("tid = %d", tid);
buf = bt_l2cap_create_pdu(NULL, 0);
hdr = net_buf_add(buf, sizeof(*hdr));
hdr->hdr = (msg_type | pkt_type << AVDTP_PKT_POSITION |
tid++ << AVDTP_TID_POSITION);
tid %= 16; /* Loop for 16*/
hdr->signal_id = sig_id & AVDTP_SIGID_MASK;
BT_DBG("hdr = 0x%02X, Signal_ID = 0x%02X", hdr->hdr, hdr->signal_id);
return buf;
}
/* Timeout handler */
static void avdtp_timeout(struct k_work *work)
{
BT_DBG("Failed Signal_id = %d", (AVDTP_KWORK(work))->sig);
/* Gracefully Disconnect the Signalling and streaming L2cap chann*/
}
/**
* @brief avdtp_parsing_capability : parsing avdtp capability content
*/
static int avdtp_parsing_capability(struct net_buf *buf)
{
BT_DBG(" ");
while (buf->len) {
uint8_t svc_cat = net_buf_pull_u8(buf);
uint8_t cat_len = net_buf_pull_u8(buf);
;
switch (svc_cat) {
case BT_AVDTP_SERVICE_CAT_MEDIA_TRANSPORT:
break;
case BT_AVDTP_SERVICE_CAT_REPORTING:
break;
case BT_AVDTP_SERVICE_CAT_RECOVERY:
break;
case BT_AVDTP_SERVICE_CAT_CONTENT_PROTECTION:
break;
case BT_AVDTP_SERVICE_CAT_HDR_COMPRESSION:
break;
case BT_AVDTP_SERVICE_CAT_MULTIPLEXING:
break;
case BT_AVDTP_SERVICE_CAT_MEDIA_CODEC:
break;
case BT_AVDTP_SERVICE_CAT_DELAYREPORTING:
break;
default:
break;
}
}
return 0;
}
static void handle_avdtp_discover_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
if (!session) {
BT_DBG("Error: Session not valid");
return;
}
struct net_buf *rsp_buf;
rsp_buf = avdtp_create_pdu(BT_AVDTP_ACCEPT, BT_AVDTP_PACKET_TYPE_SINGLE, BT_AVDTP_DISCOVER);
if (!rsp_buf) {
BT_ERR("Error: No Buff available");
return;
}
struct bt_avdtp_seid_lsep *disc_sep = lseps;
uint8_t acp_endpoint[2];
while (disc_sep) {
acp_endpoint[0] = disc_sep->sep.id << 2 | disc_sep->sep.inuse << 1 | disc_sep->sep.rfa0;
acp_endpoint[1] = disc_sep->sep.media_type << 4 | disc_sep->sep.tsep << 3 | disc_sep->sep.rfa1;
memcpy(rsp_buf->data + rsp_buf->len, acp_endpoint, 2);
rsp_buf->len += 2;
disc_sep = disc_sep->next;
}
#if 0
BT_DBG("rsp_buf len: %d \n", rsp_buf->len);
for(int i = 0; i < rsp_buf->len; i++)
{
BT_WARN("0x%02x, ", rsp_buf->data[i]);
}
BT_WARN("\n");
#endif
int result = bt_l2cap_chan_send(&session->br_chan.chan, rsp_buf);
if (result < 0) {
BT_ERR("Error: BT L2CAP send fail - result = %d", result);
return;
}
}
static void handle_avdtp_get_cap_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
if (!session) {
BT_DBG("Error: Session not valid");
return;
}
struct net_buf *rsp_buf;
rsp_buf = avdtp_create_pdu(BT_AVDTP_ACCEPT, BT_AVDTP_PACKET_TYPE_SINGLE, BT_AVDTP_GET_CAPABILITIES);
if (!rsp_buf) {
BT_ERR("Error: No Buff available");
return;
}
uint8_t svc_cat_1[2];
svc_cat_1[0] = BT_AVDTP_SERVICE_CAT_MEDIA_TRANSPORT;
svc_cat_1[1] = 0;
memcpy(rsp_buf->data + rsp_buf->len, svc_cat_1, 2);
rsp_buf->len += 2;
uint8_t svc_cat_2[8];
svc_cat_2[0] = BT_AVDTP_SERVICE_CAT_MEDIA_CODEC;
svc_cat_2[1] = 6;
svc_cat_2[2] = BT_A2DP_AUDIO;
svc_cat_2[3] = BT_A2DP_CODEC_TYPE_SBC;
svc_cat_2[4] = sbc_info.config[0];
svc_cat_2[5] = sbc_info.config[1];
svc_cat_2[6] = sbc_info.min_bitpool;
svc_cat_2[7] = sbc_info.max_bitpool;
memcpy(rsp_buf->data + rsp_buf->len, svc_cat_2, 8);
rsp_buf->len += 8;
uint8_t svc_cat_3[4];
svc_cat_3[0] = BT_AVDTP_SERVICE_CAT_CONTENT_PROTECTION;
svc_cat_3[1] = 2;
svc_cat_3[2] = BT_AVDTP_CONTENT_PROTECTION_LSB_SCMS_T;
svc_cat_3[3] = BT_AVDTP_CONTENT_PROTECTION_MSB;
memcpy(rsp_buf->data + rsp_buf->len, svc_cat_3, 4);
rsp_buf->len += 4;
#if 0
BT_DBG("rsp_buf len: %d \n", rsp_buf->len);
for(int i = 0; i < rsp_buf->len; i++)
{
BT_WARN("0x%02x, ", rsp_buf->data[i]);
}
BT_WARN("\n");
#endif
int result = bt_l2cap_chan_send(&session->br_chan.chan, rsp_buf);
if (result < 0) {
BT_ERR("Error: BT L2CAP send fail - result = %d", result);
return;
}
}
static void handle_avdtp_set_conf_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
if (!session) {
BT_DBG("Error: Session not valid");
return;
}
uint8_t acp_seid = net_buf_pull_u8(buf) >> 2;
uint8_t int_seid = net_buf_pull_u8(buf) >> 2;
int res_pars = avdtp_parsing_capability(buf);
struct net_buf *rsp_buf;
rsp_buf = avdtp_create_pdu(BT_AVDTP_ACCEPT, BT_AVDTP_PACKET_TYPE_SINGLE, BT_AVDTP_SET_CONFIGURATION);
if (!rsp_buf) {
BT_ERR("Error: No Buff available");
return;
}
int result = bt_l2cap_chan_send(&session->br_chan.chan, rsp_buf);
if (result < 0) {
BT_ERR("Error: BT L2CAP send fail - result = %d", result);
return;
}
}
static void handle_avdtp_get_conf_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
}
static void handle_avdtp_reconf_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
}
static void handle_avdtp_open_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
if (!session) {
BT_DBG("Error: Session not valid");
return;
}
struct net_buf *rsp_buf;
rsp_buf = avdtp_create_pdu(BT_AVDTP_ACCEPT, BT_AVDTP_PACKET_TYPE_SINGLE, BT_AVDTP_OPEN);
if (!rsp_buf) {
BT_ERR("Error: No Buff available");
return;
}
int result = bt_l2cap_chan_send(&session->br_chan.chan, rsp_buf);
if (result < 0) {
BT_ERR("Error: BT L2CAP send fail - result = %d", result);
return;
}
}
static void handle_avdtp_start_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
if (!session) {
BT_DBG("Error: Session not valid");
return;
}
struct net_buf *rsp_buf;
rsp_buf = avdtp_create_pdu(BT_AVDTP_ACCEPT, BT_AVDTP_PACKET_TYPE_SINGLE, BT_AVDTP_START);
if (!rsp_buf) {
BT_ERR("Error: No Buff available");
return;
}
int result = bt_l2cap_chan_send(&session->br_chan.chan, rsp_buf);
if (result < 0) {
BT_ERR("Error: BT L2CAP send fail - result = %d", result);
return;
}
}
static void handle_avdtp_close_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
if (!session) {
BT_DBG("Error: Session not valid");
return;
}
struct net_buf *rsp_buf;
rsp_buf = avdtp_create_pdu(BT_AVDTP_ACCEPT, BT_AVDTP_PACKET_TYPE_SINGLE, BT_AVDTP_CLOSE);
if (!rsp_buf) {
BT_ERR("Error: No Buff available");
return;
}
int result = bt_l2cap_chan_send(&session->br_chan.chan, rsp_buf);
if (result < 0) {
BT_ERR("Error: BT L2CAP send fail - result = %d", result);
return;
}
}
static void handle_avdtp_suspend_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
if (!session) {
BT_DBG("Error: Session not valid");
return;
}
struct net_buf *rsp_buf;
rsp_buf = avdtp_create_pdu(BT_AVDTP_ACCEPT, BT_AVDTP_PACKET_TYPE_SINGLE, BT_AVDTP_SUSPEND);
if (!rsp_buf) {
BT_ERR("Error: No Buff available");
return;
}
int result = bt_l2cap_chan_send(&session->br_chan.chan, rsp_buf);
if (result < 0) {
BT_ERR("Error: BT L2CAP send fail - result = %d", result);
return;
}
}
static void handle_avdtp_abort_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
if (!session) {
BT_DBG("Error: Session not valid");
return;
}
struct net_buf *rsp_buf;
rsp_buf = avdtp_create_pdu(BT_AVDTP_ACCEPT, BT_AVDTP_PACKET_TYPE_SINGLE, BT_AVDTP_ABORT);
if (!rsp_buf) {
BT_ERR("Error: No Buff available");
return;
}
int result = bt_l2cap_chan_send(&session->br_chan.chan, rsp_buf);
if (result < 0) {
BT_ERR("Error: BT L2CAP send fail - result = %d", result);
return;
}
}
static void handle_avdtp_sec_ctrl_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
}
static void handle_avdtp_get_all_cap_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
}
static void handle_avdtp_dly_rpt_cmd(struct bt_avdtp *session, struct net_buf *buf, uint8_t msg_type)
{
BT_DBG(" ");
}
/* L2CAP Interface callbacks */
void bt_avdtp_l2cap_connected(struct bt_l2cap_chan *chan)
{
struct bt_avdtp *session;
if (!chan) {
BT_ERR("Invalid AVDTP chan");
return;
}
session = AVDTP_CHAN(chan);
BT_DBG("chan %p session %p", chan, session);
/* Init the timer */
k_delayed_work_init(&session->req->timeout_work, avdtp_timeout);
}
void bt_avdtp_l2cap_disconnected(struct bt_l2cap_chan *chan)
{
struct bt_avdtp *session = AVDTP_CHAN(chan);
BT_DBG("chan %p session %p", chan, session);
session->br_chan.chan.conn = NULL;
/* Clear the Pending req if set*/
}
void bt_avdtp_l2cap_encrypt_changed(struct bt_l2cap_chan *chan, uint8_t status)
{
BT_DBG("");
}
int bt_avdtp_l2cap_recv(struct bt_l2cap_chan *chan, struct net_buf *buf)
{
struct bt_avdtp_single_sig_hdr *hdr;
struct bt_avdtp *session = AVDTP_CHAN(chan);
uint8_t i, msgtype, sigid, tid;
if (buf->len < sizeof(*hdr)) {
BT_ERR("Recvd Wrong AVDTP Header");
return 0;
}
hdr = net_buf_pull_mem(buf, sizeof(*hdr));
msgtype = AVDTP_GET_MSG_TYPE(hdr->hdr);
sigid = AVDTP_GET_SIG_ID(hdr->signal_id);
tid = AVDTP_GET_TR_ID(hdr->hdr);
BT_DBG("msg_type[0x%02x] sig_id[0x%02x] tid[0x%02x]",
msgtype, sigid, tid);
#if 0
BT_DBG("avdtp payload len: %d \n", buf->len);
for(int i = 0; i < buf->len; i++)
{
BT_WARN("0x%02x, ", buf->data[i]);
}
BT_WARN("\n");
#endif
/* validate if there is an outstanding resp expected*/
if (msgtype != BT_AVDTP_CMD) {
if (session->req == NULL) {
BT_DBG("Unexpected peer response");
return 0;
}
if (session->req->sig != sigid ||
session->req->tid != tid) {
BT_DBG("Peer mismatch resp, expected sig[0x%02x]"
"tid[0x%02x]",
session->req->sig,
session->req->tid);
return 0;
}
}
for (i = 0U; i < ARRAY_SIZE(handler); i++) {
if (sigid == handler[i].sig_id) {
handler[i].func(session, buf, msgtype);
return 0;
}
}
return 0;
}
int bt_avdtp_l2cap_media_stream_recv(struct bt_l2cap_chan *chan, struct net_buf *buf)
{
#if 0
BT_DBG("avdtp payload len: %d \n", buf->len);
for(int i = 0; i < buf->len; i++)
{
BT_WARN("0x%02x, ", buf->data[i]);
}
BT_WARN("\n");
#endif
int res = a2dp_sbc_decode_process(buf->data, buf->len);
if (res) {
BT_DBG("decode fail, error: %d \n", res);
}
return 0;
}
/*A2DP Layer interface */
int bt_avdtp_connect(struct bt_conn *conn, struct bt_avdtp *session)
{
static const struct bt_l2cap_chan_ops ops = {
.connected = bt_avdtp_l2cap_connected,
.disconnected = bt_avdtp_l2cap_disconnected,
.encrypt_change = bt_avdtp_l2cap_encrypt_changed,
.recv = bt_avdtp_l2cap_recv
};
if (!session) {
return -EINVAL;
}
session->br_chan.chan.ops = &ops;
session->br_chan.chan.required_sec_level = BT_SECURITY_L2;
return bt_l2cap_chan_connect(conn, &session->br_chan.chan,
BT_L2CAP_PSM_AVDTP);
}
int bt_avdtp_disconnect(struct bt_avdtp *session)
{
if (!session) {
return -EINVAL;
}
BT_DBG("session %p", session);
return bt_l2cap_chan_disconnect(&session->br_chan.chan);
}
int bt_avdtp_l2cap_accept(struct bt_conn *conn, struct bt_l2cap_chan **chan)
{
struct bt_avdtp *session = NULL;
int result;
static const struct bt_l2cap_chan_ops ops = {
.connected = bt_avdtp_l2cap_connected,
.disconnected = bt_avdtp_l2cap_disconnected,
.recv = bt_avdtp_l2cap_recv,
};
static const struct bt_l2cap_chan_ops media_ops = {
.connected = bt_avdtp_l2cap_connected,
.disconnected = bt_avdtp_l2cap_disconnected,
.recv = bt_avdtp_l2cap_media_stream_recv,
};
BT_DBG("conn %p", conn);
/* Get the AVDTP session from upper layer */
result = event_cb->accept(conn, &session);
if (result < 0) {
return result;
}
if (!session->br_chan.chan.conn) {
BT_DBG("create l2cap_br signal stream, session %p", session);
session->br_chan.chan.ops = &ops;
session->br_chan.rx.mtu = BT_AVDTP_MAX_MTU;
*chan = &session->br_chan.chan;
tid = 0;
} else {
BT_DBG("create l2cap_br AV stream, session %p", session);
session->streams->chan.chan.ops = &media_ops;
session->streams->chan.rx.mtu = BT_AVDTP_MAX_MTU;
*chan = &session->streams->chan.chan;
}
return 0;
}
/* Application will register its callback */
int bt_avdtp_register(struct bt_avdtp_event_cb *cb)
{
BT_DBG("");
if (event_cb) {
return -EALREADY;
}
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 = 0U;
lsep->sep.media_type = media_type;
lsep->sep.tsep = role;
lsep->next = lseps;
lseps = lsep;
return 0;
}
/* init function */
int bt_avdtp_init(void)
{
int err;
static struct bt_l2cap_server avdtp_l2cap = {
.psm = BT_L2CAP_PSM_AVDTP,
.sec_level = BT_SECURITY_L2,
.accept = bt_avdtp_l2cap_accept,
};
BT_DBG("");
/* Register AVDTP PSM with L2CAP */
err = bt_l2cap_br_server_register(&avdtp_l2cap);
if (err < 0) {
BT_ERR("AVDTP L2CAP Registration failed %d", err);
}
return err;
}
/* AVDTP Discover Request */
int bt_avdtp_discover(struct bt_avdtp *session,
struct bt_avdtp_discover_params *param)
{
struct net_buf *buf;
BT_DBG("");
if (!param || !session) {
BT_DBG("Error: Callback/Session not valid");
return -EINVAL;
}
buf = avdtp_create_pdu(BT_AVDTP_CMD,
BT_AVDTP_PACKET_TYPE_SINGLE,
BT_AVDTP_DISCOVER);
if (!buf) {
BT_ERR("Error: No Buff available");
return -ENOMEM;
}
/* Body of the message */
return avdtp_send(session, buf, &param->req);
}

1574
source/Core/BSP/Pinecilv2/bl_mcu_sdk/components/ble/ble_stack/host/l2cap_br.c
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1746
source/Core/BSP/Pinecilv2/bl_mcu_sdk/components/ble/ble_stack/host/rfcomm.c
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File diff suppressed because it is too large Load Diff