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