mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
151 lines
5.0 KiB
C
Executable File
151 lines
5.0 KiB
C
Executable File
/******************************************************************************
|
|
*
|
|
* Copyright (C) 2006-2013 Broadcom 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.
|
|
*
|
|
******************************************************************************/
|
|
#include <string.h>
|
|
|
|
#include "gki.h"
|
|
#include "avrc_api.h"
|
|
#include "avrc_defs.h"
|
|
#include "avrc_int.h"
|
|
#include "bt_utils.h"
|
|
|
|
/*****************************************************************************
|
|
** Global data
|
|
*****************************************************************************/
|
|
|
|
#if (AVRC_METADATA_INCLUDED == TRUE)
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function avrc_pars_vendor_rsp
|
|
**
|
|
** Description This function parses the vendor specific commands defined by
|
|
** Bluetooth SIG
|
|
**
|
|
** Returns AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully.
|
|
** Otherwise, the error code defined by AVRCP 1.4
|
|
**
|
|
*******************************************************************************/
|
|
static tAVRC_STS avrc_pars_vendor_rsp(tAVRC_MSG_VENDOR *p_msg, tAVRC_RESPONSE *p_result)
|
|
{
|
|
tAVRC_STS status = AVRC_STS_NO_ERROR;
|
|
UINT8 *p;
|
|
UINT16 len;
|
|
UINT8 eventid=0;
|
|
|
|
/* Check the vendor data */
|
|
if (p_msg->vendor_len == 0)
|
|
return AVRC_STS_NO_ERROR;
|
|
if (p_msg->p_vendor_data == NULL)
|
|
return AVRC_STS_INTERNAL_ERR;
|
|
|
|
p = p_msg->p_vendor_data;
|
|
BE_STREAM_TO_UINT8 (p_result->pdu, p);
|
|
p++; /* skip the reserved/packe_type byte */
|
|
BE_STREAM_TO_UINT16 (len, p);
|
|
AVRC_TRACE_DEBUG("avrc_pars_vendor_rsp() ctype:0x%x pdu:0x%x, len:%d/0x%x", p_msg->hdr.ctype, p_result->pdu, len, len);
|
|
if (p_msg->hdr.ctype == AVRC_RSP_REJ)
|
|
{
|
|
p_result->rsp.status = *p;
|
|
return p_result->rsp.status;
|
|
}
|
|
|
|
switch (p_result->pdu)
|
|
{
|
|
/* case AVRC_PDU_REQUEST_CONTINUATION_RSP: 0x40 */
|
|
/* case AVRC_PDU_ABORT_CONTINUATION_RSP: 0x41 */
|
|
|
|
#if (AVRC_ADV_CTRL_INCLUDED == TRUE)
|
|
case AVRC_PDU_SET_ABSOLUTE_VOLUME: /* 0x50 */
|
|
if (len != 1)
|
|
status = AVRC_STS_INTERNAL_ERR;
|
|
else
|
|
{
|
|
BE_STREAM_TO_UINT8 (p_result->volume.volume, p);
|
|
}
|
|
break;
|
|
#endif /* (AVRC_ADV_CTRL_INCLUDED == TRUE) */
|
|
|
|
case AVRC_PDU_REGISTER_NOTIFICATION: /* 0x31 */
|
|
#if (AVRC_ADV_CTRL_INCLUDED == TRUE)
|
|
BE_STREAM_TO_UINT8 (eventid, p);
|
|
if(AVRC_EVT_VOLUME_CHANGE==eventid
|
|
&& (AVRC_RSP_CHANGED==p_msg->hdr.ctype || AVRC_RSP_INTERIM==p_msg->hdr.ctype
|
|
|| AVRC_RSP_REJ==p_msg->hdr.ctype || AVRC_RSP_NOT_IMPL==p_msg->hdr.ctype))
|
|
{
|
|
p_result->reg_notif.status=p_msg->hdr.ctype;
|
|
p_result->reg_notif.event_id=eventid;
|
|
BE_STREAM_TO_UINT8 (p_result->reg_notif.param.volume, p);
|
|
}
|
|
AVRC_TRACE_DEBUG("avrc_pars_vendor_rsp PDU reg notif response:event %x, volume %x",eventid,
|
|
p_result->reg_notif.param.volume);
|
|
#endif /* (AVRC_ADV_CTRL_INCLUDED == TRUE) */
|
|
break;
|
|
default:
|
|
status = AVRC_STS_BAD_CMD;
|
|
break;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function AVRC_ParsResponse
|
|
**
|
|
** Description This function is a superset of AVRC_ParsMetadata to parse the response.
|
|
**
|
|
** Returns AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully.
|
|
** Otherwise, the error code defined by AVRCP 1.4
|
|
**
|
|
*******************************************************************************/
|
|
tAVRC_STS AVRC_ParsResponse (tAVRC_MSG *p_msg, tAVRC_RESPONSE *p_result, UINT8 *p_buf, UINT16 buf_len)
|
|
{
|
|
tAVRC_STS status = AVRC_STS_INTERNAL_ERR;
|
|
UINT16 id;
|
|
UNUSED(p_buf);
|
|
UNUSED(buf_len);
|
|
|
|
if (p_msg && p_result)
|
|
{
|
|
switch (p_msg->hdr.opcode)
|
|
{
|
|
case AVRC_OP_VENDOR: /* 0x00 Vendor-dependent commands */
|
|
status = avrc_pars_vendor_rsp(&p_msg->vendor, p_result);
|
|
break;
|
|
|
|
case AVRC_OP_PASS_THRU: /* 0x7C panel subunit opcode */
|
|
status = avrc_pars_pass_thru(&p_msg->pass, &id);
|
|
if (status == AVRC_STS_NO_ERROR)
|
|
{
|
|
p_result->pdu = (UINT8)id;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
AVRC_TRACE_ERROR("AVRC_ParsResponse() unknown opcode:0x%x", p_msg->hdr.opcode);
|
|
break;
|
|
}
|
|
p_result->rsp.opcode = p_msg->hdr.opcode;
|
|
p_result->rsp.status = status;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
|
|
#endif /* (AVRC_METADATA_INCLUDED == TRUE) */
|