1244 lines
42 KiB
C++
1244 lines
42 KiB
C++
/******************************************************************************
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*
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* Copyright (C) 2002-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This module contains API of the audio/video distribution transport
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* protocol.
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*
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******************************************************************************/
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#include "avdt_api.h"
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#include <string.h>
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#include "avdt_int.h"
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#include "avdtc_api.h"
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#include "bt_target.h"
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#include "bt_types.h"
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#include "btm_api.h"
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#include "btu.h"
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#include "l2c_api.h"
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#include "stack/include/a2dp_codec_api.h"
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/* Control block for AVDT */
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tAVDT_CB avdt_cb;
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void avdt_ccb_idle_ccb_timer_timeout(void* data) {
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tAVDT_CCB* p_ccb = (tAVDT_CCB*)data;
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uint8_t avdt_event = AVDT_CCB_IDLE_TOUT_EVT;
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uint8_t err_code = AVDT_ERR_TIMEOUT;
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tAVDT_CCB_EVT avdt_ccb_evt;
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avdt_ccb_evt.err_code = err_code;
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avdt_ccb_event(p_ccb, avdt_event, &avdt_ccb_evt);
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}
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void avdt_ccb_ret_ccb_timer_timeout(void* data) {
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tAVDT_CCB* p_ccb = (tAVDT_CCB*)data;
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uint8_t avdt_event = AVDT_CCB_RET_TOUT_EVT;
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uint8_t err_code = AVDT_ERR_TIMEOUT;
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tAVDT_CCB_EVT avdt_ccb_evt;
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avdt_ccb_evt.err_code = err_code;
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avdt_ccb_event(p_ccb, avdt_event, &avdt_ccb_evt);
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}
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void avdt_ccb_rsp_ccb_timer_timeout(void* data) {
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tAVDT_CCB* p_ccb = (tAVDT_CCB*)data;
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uint8_t avdt_event = AVDT_CCB_RSP_TOUT_EVT;
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uint8_t err_code = AVDT_ERR_TIMEOUT;
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tAVDT_CCB_EVT avdt_ccb_evt;
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avdt_ccb_evt.err_code = err_code;
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avdt_ccb_event(p_ccb, avdt_event, &avdt_ccb_evt);
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}
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void avdt_scb_transport_channel_timer_timeout(void* data) {
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tAVDT_SCB* p_scb = (tAVDT_SCB*)data;
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uint8_t avdt_event = AVDT_SCB_TC_TOUT_EVT;
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avdt_scb_event(p_scb, avdt_event, NULL);
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}
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/*******************************************************************************
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*
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* Function AVDT_Register
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*
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* Description This is the system level registration function for the
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* AVDTP protocol. This function initializes AVDTP and
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* prepares the protocol stack for its use. This function
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* must be called once by the system or platform using AVDTP
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* before the other functions of the API an be used.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void AVDT_Register(tAVDT_REG* p_reg, tAVDT_CTRL_CBACK* p_cback) {
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/* register PSM with L2CAP */
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L2CA_Register(AVDT_PSM, (tL2CAP_APPL_INFO*)&avdt_l2c_appl);
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/* set security level */
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BTM_SetSecurityLevel(true, "", BTM_SEC_SERVICE_AVDTP, p_reg->sec_mask,
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AVDT_PSM, BTM_SEC_PROTO_AVDT, AVDT_CHAN_SIG);
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BTM_SetSecurityLevel(false, "", BTM_SEC_SERVICE_AVDTP, p_reg->sec_mask,
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AVDT_PSM, BTM_SEC_PROTO_AVDT, AVDT_CHAN_SIG);
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/* do not use security on the media channel */
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BTM_SetSecurityLevel(true, "", BTM_SEC_SERVICE_AVDTP_NOSEC, BTM_SEC_NONE,
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AVDT_PSM, BTM_SEC_PROTO_AVDT, AVDT_CHAN_MEDIA);
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BTM_SetSecurityLevel(false, "", BTM_SEC_SERVICE_AVDTP_NOSEC, BTM_SEC_NONE,
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AVDT_PSM, BTM_SEC_PROTO_AVDT, AVDT_CHAN_MEDIA);
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#if (AVDT_REPORTING == TRUE)
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/* do not use security on the reporting channel */
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BTM_SetSecurityLevel(true, "", BTM_SEC_SERVICE_AVDTP_NOSEC, BTM_SEC_NONE,
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AVDT_PSM, BTM_SEC_PROTO_AVDT, AVDT_CHAN_REPORT);
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BTM_SetSecurityLevel(false, "", BTM_SEC_SERVICE_AVDTP_NOSEC, BTM_SEC_NONE,
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AVDT_PSM, BTM_SEC_PROTO_AVDT, AVDT_CHAN_REPORT);
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#endif
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/* initialize AVDTP data structures */
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avdt_scb_init();
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avdt_ccb_init();
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avdt_ad_init();
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/* copy registration struct */
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memcpy(&avdt_cb.rcb, p_reg, sizeof(tAVDT_REG));
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avdt_cb.p_conn_cback = p_cback;
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}
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/*******************************************************************************
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*
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* Function AVDT_Deregister
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*
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* Description This function is called to deregister use AVDTP protocol.
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* It is called when AVDTP is no longer being used by any
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* application in the system. Before this function can be
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* called, all streams must be removed with
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* AVDT_RemoveStream().
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*
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*
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* Returns void
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*
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******************************************************************************/
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void AVDT_Deregister(void) {
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/* deregister PSM with L2CAP */
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L2CA_Deregister(AVDT_PSM);
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}
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void AVDT_AbortReq(uint8_t handle) {
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AVDT_TRACE_WARNING("%s: handle=%d", __func__, handle);
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tAVDT_SCB* p_scb = avdt_scb_by_hdl(handle);
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if (p_scb != NULL) {
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avdt_scb_event(p_scb, AVDT_SCB_API_ABORT_REQ_EVT, NULL);
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} else {
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AVDT_TRACE_ERROR("%s Improper SCB, can not abort the stream", __func__);
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}
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}
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/*******************************************************************************
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*
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* Function AVDT_CreateStream
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*
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* Description Create a stream endpoint. After a stream endpoint is
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* created an application can initiate a connection between
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* this endpoint and an endpoint on a peer device. In
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* addition, a peer device can discover, get the capabilities,
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* and connect to this endpoint.
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*
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*
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* Returns AVDT_SUCCESS if successful, otherwise error.
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*
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******************************************************************************/
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uint16_t AVDT_CreateStream(uint8_t* p_handle, tAVDT_CS* p_cs) {
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uint16_t result = AVDT_SUCCESS;
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tAVDT_SCB* p_scb;
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AVDT_TRACE_DEBUG("%s", __func__);
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/* Verify parameters; if invalid, return failure */
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if (((p_cs->cfg.psc_mask & (~AVDT_PSC)) != 0) ||
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(p_cs->p_ctrl_cback == NULL)) {
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result = AVDT_BAD_PARAMS;
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}
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/* Allocate scb; if no scbs, return failure */
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else {
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p_scb = avdt_scb_alloc(p_cs);
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if (p_scb == NULL) {
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result = AVDT_NO_RESOURCES;
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} else {
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*p_handle = avdt_scb_to_hdl(p_scb);
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}
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}
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AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
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return result;
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}
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/*******************************************************************************
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*
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* Function AVDT_RemoveStream
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*
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* Description Remove a stream endpoint. This function is called when
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* the application is no longer using a stream endpoint.
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* If this function is called when the endpoint is connected
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* the connection is closed and then the stream endpoint
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* is removed.
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*
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*
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* Returns AVDT_SUCCESS if successful, otherwise error.
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*
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******************************************************************************/
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uint16_t AVDT_RemoveStream(uint8_t handle) {
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uint16_t result = AVDT_SUCCESS;
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tAVDT_SCB* p_scb;
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AVDT_TRACE_DEBUG("%s: handle=%d", __func__, handle);
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/* look up scb */
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p_scb = avdt_scb_by_hdl(handle);
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if (p_scb == NULL) {
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result = AVDT_BAD_HANDLE;
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} else {
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/* send remove event to scb */
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avdt_scb_event(p_scb, AVDT_SCB_API_REMOVE_EVT, NULL);
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}
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AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
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return result;
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}
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/*******************************************************************************
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*
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* Function AVDT_DiscoverReq
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*
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* Description This function initiates a connection to the AVDTP service
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* on the peer device, if not already present, and discovers
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* the stream endpoints on the peer device. (Please note
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* that AVDTP discovery is unrelated to SDP discovery).
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* This function can be called at any time regardless of
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* whether there is an AVDTP connection to the peer device.
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*
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* When discovery is complete, an AVDT_DISCOVER_CFM_EVT
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* is sent to the application via its callback function.
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* The application must not call AVDT_GetCapReq() or
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* AVDT_DiscoverReq() again to the same device until
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* discovery is complete.
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*
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* The memory addressed by sep_info is allocated by the
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* application. This memory is written to by AVDTP as part
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* of the discovery procedure. This memory must remain
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* accessible until the application receives the
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* AVDT_DISCOVER_CFM_EVT.
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*
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* Returns AVDT_SUCCESS if successful, otherwise error.
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*
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******************************************************************************/
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uint16_t AVDT_DiscoverReq(const RawAddress& bd_addr, tAVDT_SEP_INFO* p_sep_info,
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uint8_t max_seps, tAVDT_CTRL_CBACK* p_cback) {
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tAVDT_CCB* p_ccb;
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uint16_t result = AVDT_SUCCESS;
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tAVDT_CCB_EVT evt;
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AVDT_TRACE_DEBUG("%s", __func__);
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/* find channel control block for this bd addr; if none, allocate one */
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p_ccb = avdt_ccb_by_bd(bd_addr);
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if (p_ccb == NULL) {
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p_ccb = avdt_ccb_alloc(bd_addr);
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if (p_ccb == NULL) {
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/* could not allocate channel control block */
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result = AVDT_NO_RESOURCES;
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}
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}
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if (result == AVDT_SUCCESS) {
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/* make sure no discovery or get capabilities req already in progress */
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if (p_ccb->proc_busy) {
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result = AVDT_BUSY;
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}
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/* send event to ccb */
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else {
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evt.discover.p_sep_info = p_sep_info;
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evt.discover.num_seps = max_seps;
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evt.discover.p_cback = p_cback;
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avdt_ccb_event(p_ccb, AVDT_CCB_API_DISCOVER_REQ_EVT, &evt);
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}
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}
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AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
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return result;
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}
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/*******************************************************************************
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*
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* Function avdt_get_cap_req
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*
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* Description internal function to serve both AVDT_GetCapReq and
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* AVDT_GetAllCapReq
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*
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* Returns AVDT_SUCCESS if successful, otherwise error.
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*
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******************************************************************************/
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static uint16_t avdt_get_cap_req(const RawAddress& bd_addr,
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tAVDT_CCB_API_GETCAP* p_evt) {
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tAVDT_CCB* p_ccb = NULL;
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uint16_t result = AVDT_SUCCESS;
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AVDT_TRACE_DEBUG("%s", __func__);
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/* verify SEID */
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if ((p_evt->single.seid < AVDT_SEID_MIN) ||
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(p_evt->single.seid > AVDT_SEID_MAX)) {
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AVDT_TRACE_ERROR("seid: %d", p_evt->single.seid);
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result = AVDT_BAD_PARAMS;
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}
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/* find channel control block for this bd addr; if none, allocate one */
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else {
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p_ccb = avdt_ccb_by_bd(bd_addr);
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if (p_ccb == NULL) {
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p_ccb = avdt_ccb_alloc(bd_addr);
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if (p_ccb == NULL) {
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/* could not allocate channel control block */
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result = AVDT_NO_RESOURCES;
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}
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}
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}
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if (result == AVDT_SUCCESS) {
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/* make sure no discovery or get capabilities req already in progress */
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if (p_ccb->proc_busy) {
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result = AVDT_BUSY;
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}
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/* send event to ccb */
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else {
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avdt_ccb_event(p_ccb, AVDT_CCB_API_GETCAP_REQ_EVT, (tAVDT_CCB_EVT*)p_evt);
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}
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}
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AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
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return result;
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}
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/*******************************************************************************
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*
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* Function AVDT_GetCapReq
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*
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* Description This function initiates a connection to the AVDTP service
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* on the peer device, if not already present, and gets the
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* capabilities of a stream endpoint on the peer device.
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* This function can be called at any time regardless of
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* whether there is an AVDTP connection to the peer device.
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*
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* When the procedure is complete, an AVDT_GETCAP_CFM_EVT is
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* sent to the application via its callback function. The
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* application must not call AVDT_GetCapReq() or
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* AVDT_DiscoverReq() again until the procedure is complete.
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*
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* The memory pointed to by p_cfg is allocated by the
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* application. This memory is written to by AVDTP as part
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* of the get capabilities procedure. This memory must
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* remain accessible until the application receives
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* the AVDT_GETCAP_CFM_EVT.
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*
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* Returns AVDT_SUCCESS if successful, otherwise error.
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*
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******************************************************************************/
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uint16_t AVDT_GetCapReq(const RawAddress& bd_addr, uint8_t seid,
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tAVDT_CFG* p_cfg, tAVDT_CTRL_CBACK* p_cback) {
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tAVDT_CCB_API_GETCAP getcap;
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uint16_t result = AVDT_SUCCESS;
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AVDT_TRACE_DEBUG("%s", __func__);
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getcap.single.seid = seid;
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getcap.single.sig_id = AVDT_SIG_GETCAP;
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getcap.p_cfg = p_cfg;
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getcap.p_cback = p_cback;
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result = avdt_get_cap_req(bd_addr, &getcap);
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AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
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return result;
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}
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/*******************************************************************************
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*
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* Function AVDT_GetAllCapReq
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*
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* Description This function initiates a connection to the AVDTP service
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* on the peer device, if not already present, and gets the
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* capabilities of a stream endpoint on the peer device.
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* This function can be called at any time regardless of
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* whether there is an AVDTP connection to the peer device.
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*
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* When the procedure is complete, an AVDT_GETCAP_CFM_EVT is
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* sent to the application via its callback function. The
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* application must not call AVDT_GetCapReq() or
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* AVDT_DiscoverReq() again until the procedure is complete.
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*
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* The memory pointed to by p_cfg is allocated by the
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* application. This memory is written to by AVDTP as part
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* of the get capabilities procedure. This memory must
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* remain accessible until the application receives
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* the AVDT_GETCAP_CFM_EVT.
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*
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* Returns AVDT_SUCCESS if successful, otherwise error.
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*
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******************************************************************************/
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uint16_t AVDT_GetAllCapReq(const RawAddress& bd_addr, uint8_t seid,
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tAVDT_CFG* p_cfg, tAVDT_CTRL_CBACK* p_cback) {
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tAVDT_CCB_API_GETCAP getcap;
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uint16_t result = AVDT_SUCCESS;
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AVDT_TRACE_DEBUG("%s", __func__);
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getcap.single.seid = seid;
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getcap.single.sig_id = AVDT_SIG_GET_ALLCAP;
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getcap.p_cfg = p_cfg;
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getcap.p_cback = p_cback;
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result = avdt_get_cap_req(bd_addr, &getcap);
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AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
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return result;
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}
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/*******************************************************************************
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*
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* Function AVDT_DelayReport
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*
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* Description This functions sends a Delay Report to the peer device
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* that is associated with a particular SEID.
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* This function is called by SNK device.
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*
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* Returns AVDT_SUCCESS if successful, otherwise error.
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*
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******************************************************************************/
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uint16_t AVDT_DelayReport(uint8_t handle, uint8_t seid, uint16_t delay) {
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tAVDT_SCB* p_scb;
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uint16_t result = AVDT_SUCCESS;
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tAVDT_SCB_EVT evt;
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AVDT_TRACE_DEBUG("%s: handle=%d ceid=%d delay=%d", __func__, handle, seid,
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delay);
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/* map handle to scb */
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p_scb = avdt_scb_by_hdl(handle);
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if (p_scb == NULL) {
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result = AVDT_BAD_HANDLE;
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} else
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/* send event to scb */
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{
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evt.apidelay.hdr.seid = seid;
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evt.apidelay.delay = delay;
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avdt_scb_event(p_scb, AVDT_SCB_API_DELAY_RPT_REQ_EVT, &evt);
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}
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AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
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return result;
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}
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/*******************************************************************************
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*
|
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* Function AVDT_OpenReq
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*
|
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* Description This function initiates a connection to the AVDTP service
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* on the peer device, if not already present, and connects
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* to a stream endpoint on a peer device. When the connection
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* is completed, an AVDT_OPEN_CFM_EVT is sent to the
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* application via the control callback function for this
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* handle.
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*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_OpenReq(uint8_t handle, const RawAddress& bd_addr, uint8_t seid,
|
|
tAVDT_CFG* p_cfg) {
|
|
tAVDT_CCB* p_ccb = NULL;
|
|
tAVDT_SCB* p_scb = NULL;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
tAVDT_SCB_EVT evt;
|
|
|
|
AVDT_TRACE_DEBUG("%s: handle=%d seid=%d", __func__, handle, seid);
|
|
|
|
/* verify SEID */
|
|
if ((seid < AVDT_SEID_MIN) || (seid > AVDT_SEID_MAX)) {
|
|
result = AVDT_BAD_PARAMS;
|
|
}
|
|
/* map handle to scb */
|
|
else {
|
|
p_scb = avdt_scb_by_hdl(handle);
|
|
if (p_scb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
}
|
|
/* find channel control block for this bd addr; if none, allocate one */
|
|
else {
|
|
p_ccb = avdt_ccb_by_bd(bd_addr);
|
|
if (p_ccb == NULL) {
|
|
p_ccb = avdt_ccb_alloc(bd_addr);
|
|
if (p_ccb == NULL) {
|
|
/* could not allocate channel control block */
|
|
result = AVDT_NO_RESOURCES;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* send event to scb */
|
|
if (result == AVDT_SUCCESS) {
|
|
A2DP_DumpCodecInfo(p_cfg->codec_info);
|
|
|
|
evt.msg.config_cmd.hdr.seid = seid;
|
|
evt.msg.config_cmd.hdr.ccb_idx = avdt_ccb_to_idx(p_ccb);
|
|
evt.msg.config_cmd.int_seid = handle;
|
|
evt.msg.config_cmd.p_cfg = p_cfg;
|
|
avdt_scb_event(p_scb, AVDT_SCB_API_SETCONFIG_REQ_EVT, &evt);
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_ConfigRsp
|
|
*
|
|
* Description Respond to a configure request from the peer device. This
|
|
* function must be called if the application receives an
|
|
* AVDT_CONFIG_IND_EVT through its control callback.
|
|
*
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_ConfigRsp(uint8_t handle, uint8_t label, uint8_t error_code,
|
|
uint8_t category) {
|
|
tAVDT_SCB* p_scb;
|
|
tAVDT_SCB_EVT evt;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
uint8_t event_code;
|
|
|
|
AVDT_TRACE_DEBUG("%s: handle=%d label=%d error_code=%d category=%d", __func__,
|
|
handle, label, error_code, category);
|
|
|
|
/* map handle to scb */
|
|
p_scb = avdt_scb_by_hdl(handle);
|
|
if (p_scb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
}
|
|
/* handle special case when this function is called but peer has not send
|
|
** a configuration cmd; ignore and return error result
|
|
*/
|
|
else if (!p_scb->in_use) {
|
|
result = AVDT_BAD_HANDLE;
|
|
}
|
|
/* send event to scb */
|
|
else {
|
|
evt.msg.hdr.err_code = error_code;
|
|
evt.msg.hdr.err_param = category;
|
|
evt.msg.hdr.label = label;
|
|
if (error_code == 0) {
|
|
event_code = AVDT_SCB_API_SETCONFIG_RSP_EVT;
|
|
} else {
|
|
event_code = AVDT_SCB_API_SETCONFIG_REJ_EVT;
|
|
}
|
|
avdt_scb_event(p_scb, event_code, &evt);
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_StartReq
|
|
*
|
|
* Description Start one or more stream endpoints. This initiates the
|
|
* transfer of media packets for the streams. All stream
|
|
* endpoints must previously be opened. When the streams
|
|
* are started, an AVDT_START_CFM_EVT is sent to the
|
|
* application via the control callback function for each
|
|
* stream.
|
|
*
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_StartReq(uint8_t* p_handles, uint8_t num_handles) {
|
|
tAVDT_SCB* p_scb = NULL;
|
|
tAVDT_CCB_EVT evt;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
int i;
|
|
|
|
AVDT_TRACE_DEBUG("%s: num_handles=%d", __func__, num_handles);
|
|
|
|
if ((num_handles == 0) || (num_handles > AVDT_NUM_SEPS)) {
|
|
result = AVDT_BAD_PARAMS;
|
|
} else {
|
|
/* verify handles */
|
|
for (i = 0; i < num_handles; i++) {
|
|
p_scb = avdt_scb_by_hdl(p_handles[i]);
|
|
if (p_scb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (result == AVDT_SUCCESS) {
|
|
if (p_scb->p_ccb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
} else {
|
|
/* send event to ccb */
|
|
memcpy(evt.msg.multi.seid_list, p_handles, num_handles);
|
|
evt.msg.multi.num_seps = num_handles;
|
|
avdt_ccb_event(p_scb->p_ccb, AVDT_CCB_API_START_REQ_EVT, &evt);
|
|
}
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_SuspendReq
|
|
*
|
|
* Description Suspend one or more stream endpoints. This suspends the
|
|
* transfer of media packets for the streams. All stream
|
|
* endpoints must previously be open and started. When the
|
|
* streams are suspended, an AVDT_SUSPEND_CFM_EVT is sent to
|
|
* the application via the control callback function for
|
|
* each stream.
|
|
*
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_SuspendReq(uint8_t* p_handles, uint8_t num_handles) {
|
|
tAVDT_SCB* p_scb = NULL;
|
|
tAVDT_CCB_EVT evt;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
int i;
|
|
|
|
AVDT_TRACE_DEBUG("%s: num_handles=%d", __func__, num_handles);
|
|
|
|
if ((num_handles == 0) || (num_handles > AVDT_NUM_SEPS)) {
|
|
result = AVDT_BAD_PARAMS;
|
|
} else {
|
|
/* verify handles */
|
|
for (i = 0; i < num_handles; i++) {
|
|
p_scb = avdt_scb_by_hdl(p_handles[i]);
|
|
if (p_scb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (result == AVDT_SUCCESS) {
|
|
if (p_scb->p_ccb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
} else {
|
|
/* send event to ccb */
|
|
memcpy(evt.msg.multi.seid_list, p_handles, num_handles);
|
|
evt.msg.multi.num_seps = num_handles;
|
|
avdt_ccb_event(p_scb->p_ccb, AVDT_CCB_API_SUSPEND_REQ_EVT, &evt);
|
|
}
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_CloseReq
|
|
*
|
|
* Description Close a stream endpoint. This stops the transfer of media
|
|
* packets and closes the transport channel associated with
|
|
* this stream endpoint. When the stream is closed, an
|
|
* AVDT_CLOSE_CFM_EVT is sent to the application via the
|
|
* control callback function for this handle.
|
|
*
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_CloseReq(uint8_t handle) {
|
|
tAVDT_SCB* p_scb;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
|
|
AVDT_TRACE_DEBUG("%s: handle=%d", __func__, handle);
|
|
|
|
/* map handle to scb */
|
|
p_scb = avdt_scb_by_hdl(handle);
|
|
if (p_scb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
} else
|
|
/* send event to scb */
|
|
{
|
|
avdt_scb_event(p_scb, AVDT_SCB_API_CLOSE_REQ_EVT, NULL);
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_ReconfigReq
|
|
*
|
|
* Description Reconfigure a stream endpoint. This allows the application
|
|
* to change the codec or content protection capabilities of
|
|
* a stream endpoint after it has been opened. This function
|
|
* can only be called if the stream is opened but not started
|
|
* or if the stream has been suspended. When the procedure
|
|
* is completed, an AVDT_RECONFIG_CFM_EVT is sent to the
|
|
* application via the control callback function for this
|
|
* handle.
|
|
*
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_ReconfigReq(uint8_t handle, tAVDT_CFG* p_cfg) {
|
|
tAVDT_SCB* p_scb;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
tAVDT_SCB_EVT evt;
|
|
|
|
AVDT_TRACE_DEBUG("%s: handle=%d", __func__, handle);
|
|
|
|
/* map handle to scb */
|
|
p_scb = avdt_scb_by_hdl(handle);
|
|
if (p_scb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
}
|
|
/* send event to scb */
|
|
else {
|
|
/* force psc_mask to zero */
|
|
p_cfg->psc_mask = 0;
|
|
evt.msg.reconfig_cmd.p_cfg = p_cfg;
|
|
avdt_scb_event(p_scb, AVDT_SCB_API_RECONFIG_REQ_EVT, &evt);
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_ReconfigRsp
|
|
*
|
|
* Description Respond to a reconfigure request from the peer device.
|
|
* This function must be called if the application receives
|
|
* an AVDT_RECONFIG_IND_EVT through its control callback.
|
|
*
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_ReconfigRsp(uint8_t handle, uint8_t label, uint8_t error_code,
|
|
uint8_t category) {
|
|
tAVDT_SCB* p_scb;
|
|
tAVDT_SCB_EVT evt;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
|
|
AVDT_TRACE_DEBUG("%s: handle=%d label=%d error_code=%d category=%d", __func__,
|
|
handle, label, error_code, category);
|
|
|
|
/* map handle to scb */
|
|
p_scb = avdt_scb_by_hdl(handle);
|
|
if (p_scb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
}
|
|
/* send event to scb */
|
|
else {
|
|
evt.msg.hdr.err_code = error_code;
|
|
evt.msg.hdr.err_param = category;
|
|
evt.msg.hdr.label = label;
|
|
avdt_scb_event(p_scb, AVDT_SCB_API_RECONFIG_RSP_EVT, &evt);
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_SecurityReq
|
|
*
|
|
* Description Send a security request to the peer device. When the
|
|
* security procedure is completed, an AVDT_SECURITY_CFM_EVT
|
|
* is sent to the application via the control callback function
|
|
* for this handle. (Please note that AVDTP security
|
|
* procedures are unrelated to Bluetooth link level security.)
|
|
*
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_SecurityReq(uint8_t handle, uint8_t* p_data, uint16_t len) {
|
|
tAVDT_SCB* p_scb;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
tAVDT_SCB_EVT evt;
|
|
|
|
AVDT_TRACE_DEBUG("%s: handle=%d len=%d", __func__, handle, len);
|
|
|
|
/* map handle to scb */
|
|
p_scb = avdt_scb_by_hdl(handle);
|
|
if (p_scb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
}
|
|
/* send event to scb */
|
|
else {
|
|
evt.msg.security_rsp.p_data = p_data;
|
|
evt.msg.security_rsp.len = len;
|
|
avdt_scb_event(p_scb, AVDT_SCB_API_SECURITY_REQ_EVT, &evt);
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_SecurityRsp
|
|
*
|
|
* Description Respond to a security request from the peer device.
|
|
* This function must be called if the application receives
|
|
* an AVDT_SECURITY_IND_EVT through its control callback.
|
|
* (Please note that AVDTP security procedures are unrelated
|
|
* to Bluetooth link level security.)
|
|
*
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_SecurityRsp(uint8_t handle, uint8_t label, uint8_t error_code,
|
|
uint8_t* p_data, uint16_t len) {
|
|
tAVDT_SCB* p_scb;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
tAVDT_SCB_EVT evt;
|
|
|
|
AVDT_TRACE_DEBUG("%s: handle=%d label=%d error_code=%d len=%d", __func__,
|
|
handle, label, error_code, len);
|
|
|
|
/* map handle to scb */
|
|
p_scb = avdt_scb_by_hdl(handle);
|
|
if (p_scb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
}
|
|
/* send event to scb */
|
|
else {
|
|
evt.msg.security_rsp.hdr.err_code = error_code;
|
|
evt.msg.security_rsp.hdr.label = label;
|
|
evt.msg.security_rsp.p_data = p_data;
|
|
evt.msg.security_rsp.len = len;
|
|
avdt_scb_event(p_scb, AVDT_SCB_API_SECURITY_RSP_EVT, &evt);
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_WriteReqOpt
|
|
*
|
|
* Description Send a media packet to the peer device. The stream must
|
|
* be started before this function is called. Also, this
|
|
* function can only be called if the stream is a SRC.
|
|
*
|
|
* When AVDTP has sent the media packet and is ready for the
|
|
* next packet, an AVDT_WRITE_CFM_EVT is sent to the
|
|
* application via the control callback. The application must
|
|
* wait for the AVDT_WRITE_CFM_EVT before it makes the next
|
|
* call to AVDT_WriteReq(). If the applications calls
|
|
* AVDT_WriteReq() before it receives the event the packet
|
|
* will not be sent. The application may make its first call
|
|
* to AVDT_WriteReq() after it receives an AVDT_START_CFM_EVT
|
|
* or AVDT_START_IND_EVT.
|
|
*
|
|
* The application passes the packet using the BT_HDR
|
|
* structure.
|
|
* This structure is described in section 2.1. The offset
|
|
* field must be equal to or greater than AVDT_MEDIA_OFFSET
|
|
* (if NO_RTP is specified, L2CAP_MIN_OFFSET can be used).
|
|
* This allows enough space in the buffer for the L2CAP and
|
|
* AVDTP headers.
|
|
*
|
|
* The memory pointed to by p_pkt must be a GKI buffer
|
|
* allocated by the application. This buffer will be freed
|
|
* by the protocol stack; the application must not free
|
|
* this buffer.
|
|
*
|
|
* The opt parameter allows passing specific options like:
|
|
* - NO_RTP : do not add the RTP header to buffer
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_WriteReqOpt(uint8_t handle, BT_HDR* p_pkt, uint32_t time_stamp,
|
|
uint8_t m_pt, tAVDT_DATA_OPT_MASK opt) {
|
|
tAVDT_SCB* p_scb;
|
|
tAVDT_SCB_EVT evt;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
|
|
AVDT_TRACE_DEBUG("%s: handle=%d timestamp=%d m_pt=0x%x opt=0x%x", __func__,
|
|
handle, time_stamp, m_pt, opt);
|
|
|
|
/* map handle to scb */
|
|
p_scb = avdt_scb_by_hdl(handle);
|
|
if (p_scb == NULL) {
|
|
result = AVDT_BAD_HANDLE;
|
|
} else {
|
|
evt.apiwrite.p_buf = p_pkt;
|
|
evt.apiwrite.time_stamp = time_stamp;
|
|
evt.apiwrite.m_pt = m_pt;
|
|
evt.apiwrite.opt = opt;
|
|
avdt_scb_event(p_scb, AVDT_SCB_API_WRITE_REQ_EVT, &evt);
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_WriteReq
|
|
*
|
|
* Description Send a media packet to the peer device. The stream must
|
|
* be started before this function is called. Also, this
|
|
* function can only be called if the stream is a SRC.
|
|
*
|
|
* When AVDTP has sent the media packet and is ready for the
|
|
* next packet, an AVDT_WRITE_CFM_EVT is sent to the
|
|
* application via the control callback. The application must
|
|
* wait for the AVDT_WRITE_CFM_EVT before it makes the next
|
|
* call to AVDT_WriteReq(). If the applications calls
|
|
* AVDT_WriteReq() before it receives the event the packet
|
|
* will not be sent. The application may make its first call
|
|
* to AVDT_WriteReq() after it receives an AVDT_START_CFM_EVT
|
|
* or AVDT_START_IND_EVT.
|
|
*
|
|
* The application passes the packet using the BT_HDR
|
|
* structure.
|
|
* This structure is described in section 2.1. The offset
|
|
* field must be equal to or greater than AVDT_MEDIA_OFFSET.
|
|
* This allows enough space in the buffer for the L2CAP and
|
|
* AVDTP headers.
|
|
*
|
|
* The memory pointed to by p_pkt must be a GKI buffer
|
|
* allocated by the application. This buffer will be freed
|
|
* by the protocol stack; the application must not free
|
|
* this buffer.
|
|
*
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_WriteReq(uint8_t handle, BT_HDR* p_pkt, uint32_t time_stamp,
|
|
uint8_t m_pt) {
|
|
return AVDT_WriteReqOpt(handle, p_pkt, time_stamp, m_pt, AVDT_DATA_OPT_NONE);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_ConnectReq
|
|
*
|
|
* Description This function initiates an AVDTP signaling connection
|
|
* to the peer device. When the connection is completed, an
|
|
* AVDT_CONNECT_IND_EVT is sent to the application via its
|
|
* control callback function. If the connection attempt fails
|
|
* an AVDT_DISCONNECT_IND_EVT is sent. The security mask
|
|
* parameter overrides the outgoing security mask set in
|
|
* AVDT_Register().
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_ConnectReq(const RawAddress& bd_addr, uint8_t sec_mask,
|
|
tAVDT_CTRL_CBACK* p_cback) {
|
|
tAVDT_CCB* p_ccb = NULL;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
tAVDT_CCB_EVT evt;
|
|
|
|
AVDT_TRACE_DEBUG("%s: sec_mask=0x%x", __func__, sec_mask);
|
|
|
|
/* find channel control block for this bd addr; if none, allocate one */
|
|
p_ccb = avdt_ccb_by_bd(bd_addr);
|
|
if (p_ccb == NULL) {
|
|
p_ccb = avdt_ccb_alloc(bd_addr);
|
|
if (p_ccb == NULL) {
|
|
/* could not allocate channel control block */
|
|
result = AVDT_NO_RESOURCES;
|
|
}
|
|
} else if (p_ccb->ll_opened == false) {
|
|
AVDT_TRACE_WARNING("AVDT_ConnectReq: CCB LL is in the middle of opening");
|
|
|
|
/* ccb was already allocated for the incoming signalling. */
|
|
result = AVDT_BUSY;
|
|
}
|
|
|
|
if (result == AVDT_SUCCESS) {
|
|
/* send event to ccb */
|
|
evt.connect.p_cback = p_cback;
|
|
evt.connect.sec_mask = sec_mask;
|
|
avdt_ccb_event(p_ccb, AVDT_CCB_API_CONNECT_REQ_EVT, &evt);
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_DisconnectReq
|
|
*
|
|
* Description This function disconnect an AVDTP signaling connection
|
|
* to the peer device. When disconnected an
|
|
* AVDT_DISCONNECT_IND_EVT is sent to the application via its
|
|
* control callback function.
|
|
*
|
|
* Returns AVDT_SUCCESS if successful, otherwise error.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_DisconnectReq(const RawAddress& bd_addr,
|
|
tAVDT_CTRL_CBACK* p_cback) {
|
|
tAVDT_CCB* p_ccb = NULL;
|
|
uint16_t result = AVDT_SUCCESS;
|
|
tAVDT_CCB_EVT evt;
|
|
|
|
AVDT_TRACE_WARNING("%s: address=%s", __func__, bd_addr.ToString().c_str());
|
|
|
|
/* find channel control block for this bd addr; if none, error */
|
|
p_ccb = avdt_ccb_by_bd(bd_addr);
|
|
if (p_ccb == NULL) {
|
|
result = AVDT_BAD_PARAMS;
|
|
}
|
|
|
|
if (result == AVDT_SUCCESS) {
|
|
/* send event to ccb */
|
|
evt.disconnect.p_cback = p_cback;
|
|
avdt_ccb_event(p_ccb, AVDT_CCB_API_DISCONNECT_REQ_EVT, &evt);
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: address=%s result=%d", __func__,
|
|
bd_addr.ToString().c_str(), result);
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_GetL2CapChannel
|
|
*
|
|
* Description Get the L2CAP CID used by the handle.
|
|
*
|
|
* Returns CID if successful, otherwise 0.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_GetL2CapChannel(uint8_t handle) {
|
|
tAVDT_SCB* p_scb;
|
|
tAVDT_CCB* p_ccb;
|
|
uint8_t tcid;
|
|
uint16_t lcid = 0;
|
|
|
|
/* map handle to scb */
|
|
if (((p_scb = avdt_scb_by_hdl(handle)) != NULL) &&
|
|
((p_ccb = p_scb->p_ccb) != NULL)) {
|
|
/* get tcid from type, scb */
|
|
tcid = avdt_ad_type_to_tcid(AVDT_CHAN_MEDIA, p_scb);
|
|
|
|
lcid = avdt_cb.ad.rt_tbl[avdt_ccb_to_idx(p_ccb)][tcid].lcid;
|
|
}
|
|
|
|
return (lcid);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_GetSignalChannel
|
|
*
|
|
* Description Get the L2CAP CID used by the signal channel of the given
|
|
* handle.
|
|
*
|
|
* Returns CID if successful, otherwise 0.
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_GetSignalChannel(uint8_t handle, const RawAddress& bd_addr) {
|
|
tAVDT_SCB* p_scb;
|
|
tAVDT_CCB* p_ccb;
|
|
uint8_t tcid = 0; /* tcid is always 0 for signal channel */
|
|
uint16_t lcid = 0;
|
|
|
|
/* map handle to scb */
|
|
if (((p_scb = avdt_scb_by_hdl(handle)) != NULL) &&
|
|
((p_ccb = p_scb->p_ccb) != NULL)) {
|
|
lcid = avdt_cb.ad.rt_tbl[avdt_ccb_to_idx(p_ccb)][tcid].lcid;
|
|
} else {
|
|
p_ccb = avdt_ccb_by_bd(bd_addr);
|
|
if (p_ccb != NULL) {
|
|
lcid = avdt_cb.ad.rt_tbl[avdt_ccb_to_idx(p_ccb)][tcid].lcid;
|
|
}
|
|
}
|
|
|
|
return (lcid);
|
|
}
|
|
|
|
#if (AVDT_REPORTING == TRUE)
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVDT_SendReport
|
|
*
|
|
* Description
|
|
*
|
|
*
|
|
*
|
|
* Returns
|
|
*
|
|
******************************************************************************/
|
|
uint16_t AVDT_SendReport(uint8_t handle, AVDT_REPORT_TYPE type,
|
|
tAVDT_REPORT_DATA* p_data) {
|
|
tAVDT_SCB* p_scb;
|
|
uint16_t result = AVDT_BAD_PARAMS;
|
|
tAVDT_TC_TBL* p_tbl;
|
|
uint8_t *p, *plen, *pm1, *p_end;
|
|
uint32_t ssrc;
|
|
uint16_t len;
|
|
|
|
AVDT_TRACE_DEBUG("%s: handle=%d type=%d", __func__, handle, type);
|
|
|
|
/* map handle to scb && verify parameters */
|
|
if (((p_scb = avdt_scb_by_hdl(handle)) != NULL) && (p_scb->p_ccb != NULL) &&
|
|
(((type == AVDT_RTCP_PT_SR) && (p_scb->cs.tsep == AVDT_TSEP_SRC)) ||
|
|
((type == AVDT_RTCP_PT_RR) && (p_scb->cs.tsep == AVDT_TSEP_SNK)) ||
|
|
(type == AVDT_RTCP_PT_SDES))) {
|
|
result = AVDT_NO_RESOURCES;
|
|
|
|
/* build SR - assume fit in one packet */
|
|
p_tbl = avdt_ad_tc_tbl_by_type(AVDT_CHAN_REPORT, p_scb->p_ccb, p_scb);
|
|
if (p_tbl->state == AVDT_AD_ST_OPEN) {
|
|
BT_HDR* p_pkt = (BT_HDR*)osi_malloc(p_tbl->peer_mtu + sizeof(BT_HDR));
|
|
|
|
p_pkt->offset = L2CAP_MIN_OFFSET;
|
|
p = (uint8_t*)(p_pkt + 1) + p_pkt->offset;
|
|
pm1 = p;
|
|
*p++ = AVDT_MEDIA_OCTET1 | 1;
|
|
*p++ = type;
|
|
/* save the location for length */
|
|
plen = p;
|
|
p += 2;
|
|
ssrc = avdt_scb_gen_ssrc(p_scb);
|
|
UINT32_TO_BE_STREAM(p, ssrc);
|
|
|
|
switch (type) {
|
|
case AVDT_RTCP_PT_SR: /* Sender Report */
|
|
*pm1 = AVDT_MEDIA_OCTET1;
|
|
UINT32_TO_BE_STREAM(p, p_data->sr.ntp_sec);
|
|
UINT32_TO_BE_STREAM(p, p_data->sr.ntp_frac);
|
|
UINT32_TO_BE_STREAM(p, p_data->sr.rtp_time);
|
|
UINT32_TO_BE_STREAM(p, p_data->sr.pkt_count);
|
|
UINT32_TO_BE_STREAM(p, p_data->sr.octet_count);
|
|
break;
|
|
|
|
case AVDT_RTCP_PT_RR: /* Receiver Report */
|
|
*p++ = p_data->rr.frag_lost;
|
|
AVDT_TRACE_API("packet_lost: %d", p_data->rr.packet_lost);
|
|
p_data->rr.packet_lost &= 0xFFFFFF;
|
|
AVDT_TRACE_API("packet_lost: %d", p_data->rr.packet_lost);
|
|
UINT24_TO_BE_STREAM(p, p_data->rr.packet_lost);
|
|
UINT32_TO_BE_STREAM(p, p_data->rr.seq_num_rcvd);
|
|
UINT32_TO_BE_STREAM(p, p_data->rr.jitter);
|
|
UINT32_TO_BE_STREAM(p, p_data->rr.lsr);
|
|
UINT32_TO_BE_STREAM(p, p_data->rr.dlsr);
|
|
break;
|
|
|
|
case AVDT_RTCP_PT_SDES: /* Source Description */
|
|
*p++ = AVDT_RTCP_SDES_CNAME;
|
|
len = strlen((char*)p_data->cname);
|
|
if (len > AVDT_MAX_CNAME_SIZE) len = AVDT_MAX_CNAME_SIZE;
|
|
*p++ = (uint8_t)len;
|
|
strlcpy((char*)p, (char*)p_data->cname, len + 1);
|
|
p += len;
|
|
break;
|
|
}
|
|
p_end = p;
|
|
len = p - pm1 - 1;
|
|
UINT16_TO_BE_STREAM(plen, len);
|
|
|
|
/* set the actual payload length */
|
|
p_pkt->len = p_end - p;
|
|
/* send the packet */
|
|
if (L2CAP_DW_FAILED !=
|
|
avdt_ad_write_req(AVDT_CHAN_REPORT, p_scb->p_ccb, p_scb, p_pkt))
|
|
result = AVDT_SUCCESS;
|
|
}
|
|
}
|
|
|
|
AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
|
|
|
|
return result;
|
|
}
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
*
|
|
* Function AVDT_SetTraceLevel
|
|
*
|
|
* Description Sets the trace level for AVDT. If 0xff is passed, the
|
|
* current trace level is returned.
|
|
*
|
|
* Input Parameters:
|
|
* new_level: The level to set the AVDT tracing to:
|
|
* 0xff-returns the current setting.
|
|
* 0-turns off tracing.
|
|
* >= 1-Errors.
|
|
* >= 2-Warnings.
|
|
* >= 3-APIs.
|
|
* >= 4-Events.
|
|
* >= 5-Debug.
|
|
*
|
|
* Returns The new trace level or current trace level if
|
|
* the input parameter is 0xff.
|
|
*
|
|
*****************************************************************************/
|
|
uint8_t AVDT_SetTraceLevel(uint8_t new_level) {
|
|
if (new_level != 0xFF) avdt_cb.trace_level = new_level;
|
|
|
|
return (avdt_cb.trace_level);
|
|
}
|