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/******************************************************************************
*
* Copyright (c) 2015, The Linux Foundation. All rights reserved.
* Not a Contribution
* 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 <log/log.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;
}
#if (AVRC_ADV_CTRL_INCLUDED == TRUE)
/*******************************************************************************
**
** Function avrc_ctrl_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_ctrl_pars_vendor_rsp(tAVRC_MSG_VENDOR *p_msg, tAVRC_RESPONSE *p_result, UINT8* p_buf, UINT16* buf_len)
{
tAVRC_STS status = AVRC_STS_NO_ERROR;
UINT8 *p = p_msg->p_vendor_data;
UINT16 len;
UINT8 xx, yy;
UINT8 eventid=0;
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_ctrl_pars_vendor_rsp() ctype:0x%x pdu:0x%x, len:%d",
p_msg->hdr.ctype, p_result->pdu, 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 */
case AVRC_PDU_REGISTER_NOTIFICATION: /* 0x31 */
if (len <= 0)
{
buf_len = 0;
break;
}
memcpy(p_buf,p,len);
*buf_len = len;
break;
case AVRC_PDU_GET_CAPABILITIES:
if (len == 0)
{
p_result->get_caps.count = 0;
p_result->get_caps.capability_id = 0;
break;
}
BE_STREAM_TO_UINT8(p_result->get_caps.capability_id,p);
BE_STREAM_TO_UINT8(p_result->get_caps.count,p);
AVRC_TRACE_DEBUG("AVRC_PDU_GET_CAPABILITIES cap id =%d, cap_count = %d "
,p_result->get_caps.capability_id,p_result->get_caps.count);
if (p_result->get_caps.capability_id == AVRC_CAP_COMPANY_ID)
{
for(xx =0; ((xx<=p_result->get_caps.count) && (xx <AVRC_CAP_MAX_NUM_COMP_ID)); xx++)
{
BE_STREAM_TO_UINT24(p_result->get_caps.param.company_id[xx],p);
}
}
else if (p_result->get_caps.capability_id == AVRC_CAP_EVENTS_SUPPORTED)
{
for(xx =0; ((xx<=p_result->get_caps.count) && (xx <AVRC_CAP_MAX_NUM_EVT_ID)); xx++)
{
BE_STREAM_TO_UINT8(p_result->get_caps.param.event_id[xx],p);
}
}
break;
case AVRC_PDU_LIST_PLAYER_APP_ATTR:
if (len <= 0)
{
p_result->list_app_attr.num_attr = 0;
break;
}
BE_STREAM_TO_UINT8(p_result->list_app_attr.num_attr,p);
AVRC_TRACE_DEBUG("AVRC_PDU_LIST_PLAYER_APP_ATTR count = %d ",
p_result->list_app_attr.num_attr);
for(xx = 0; xx < p_result->list_app_attr.num_attr;xx++)
{
BE_STREAM_TO_UINT8(p_result->list_app_attr.attrs[xx],p);
}
break;
case AVRC_PDU_LIST_PLAYER_APP_VALUES:
if (len <= 0)
{
p_result->list_app_values.num_val = 0;
break;
}
BE_STREAM_TO_UINT8(p_result->list_app_values.num_val,p);
if (p_result->list_app_values.num_val > AVRC_MAX_APP_ATTR_SIZE)
{
android_errorWriteLog(0x534e4554, "78526423");
p_result->list_app_values.num_val = AVRC_MAX_APP_ATTR_SIZE;
}
AVRC_TRACE_DEBUG("AVRC_PDU_LIST_PLAYER_APP_ATTR count = %d ",
p_result->list_app_attr.num_attr);
for(xx = 0; xx < p_result->list_app_values.num_val; xx++)
{
BE_STREAM_TO_UINT8(p_result->list_app_values.vals[xx],p);
}
break;
case AVRC_PDU_GET_CUR_PLAYER_APP_VALUE:
{
tAVRC_APP_SETTING *app_sett;
if (len <= 0)
{
p_result->get_cur_app_val.num_val = 0;
break;
}
BE_STREAM_TO_UINT8(p_result->get_cur_app_val.num_val,p);
app_sett =
(tAVRC_APP_SETTING*)GKI_getbuf(p_result->get_cur_app_val.num_val*sizeof(tAVRC_APP_SETTING));
AVRC_TRACE_DEBUG("AVRC_PDU_GET_CUR_PLAYER_APP_VALUE count = %d "
,p_result->get_cur_app_val.num_val);
for (xx = 0; xx < p_result->get_cur_app_val.num_val; xx++)
{
BE_STREAM_TO_UINT8(app_sett[xx].attr_id,p);
BE_STREAM_TO_UINT8(app_sett[xx].attr_val,p);
}
p_result->get_cur_app_val.p_vals = app_sett;
}
break;
case AVRC_PDU_SET_PLAYER_APP_VALUE:
/* nothing comes as part of this rsp */
break;
case AVRC_PDU_GET_ELEMENT_ATTR:
if (len <= 0)
{
p_result->get_elem_attrs.num_attr = 0;
break;
}
BE_STREAM_TO_UINT8(p_result->get_elem_attrs.num_attr,p);
memcpy(p_buf,p,len-1); // 1 byte of len already read.
*buf_len = len-1;
break;
case AVRC_PDU_GET_PLAY_STATUS:
if (len <= 0)
{
buf_len = 0;
break;
}
memcpy(p_buf,p,len);
*buf_len = len;
break;
default:
status = AVRC_STS_BAD_CMD;
break;
}
return status;
}
#endif /* (AVRC_ADV_CTRL_INCLUDED == TRUE) */
/*******************************************************************************
**
** Function AVRC_Ctrl_ParsResponse
**
** Description This function is a parse response for AVRCP Controller.
**
** 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_Ctrl_ParsResponse (tAVRC_MSG *p_msg, tAVRC_RESPONSE *p_result, UINT8 *p_buf, UINT16* buf_len)
{
tAVRC_STS status = AVRC_STS_INTERNAL_ERR;
UINT16 id;
if (p_msg && p_result)
{
switch (p_msg->hdr.opcode)
{
case AVRC_OP_VENDOR: /* 0x00 Vendor-dependent commands */
status = avrc_ctrl_pars_vendor_rsp(&p_msg->vendor, p_result, p_buf,buf_len);
break;
default:
AVRC_TRACE_ERROR("AVRC_Ctrl_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;
}
/*******************************************************************************
**
** 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) */
|
