323 lines
11 KiB
C
323 lines
11 KiB
C
|
/******************************************************************************
|
||
|
|
*
|
||
|
|
* Copyright (C) 2003-2013 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"
|
||
|
|
|
||
|
|
/*****************************************************************************
|
||
|
|
** Global data
|
||
|
|
*****************************************************************************/
|
||
|
|
#if (AVRC_METADATA_INCLUDED == TRUE)
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
**
|
||
|
|
** Function avrc_pars_vendor_cmd
|
||
|
|
**
|
||
|
|
** 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_cmd(tAVRC_MSG_VENDOR *p_msg, tAVRC_COMMAND *p_result,
|
||
|
|
UINT8 *p_buf, UINT16 buf_len)
|
||
|
|
{
|
||
|
|
tAVRC_STS status = AVRC_STS_NO_ERROR;
|
||
|
|
UINT8 *p;
|
||
|
|
UINT16 len;
|
||
|
|
UINT8 xx, yy;
|
||
|
|
UINT8 *p_u8;
|
||
|
|
UINT16 *p_u16;
|
||
|
|
UINT32 u32, u32_2, *p_u32;
|
||
|
|
tAVRC_APP_SETTING *p_app_set;
|
||
|
|
UINT16 size_needed;
|
||
|
|
|
||
|
|
/* 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;
|
||
|
|
p_result->pdu = *p++;
|
||
|
|
AVRC_TRACE_DEBUG("avrc_pars_vendor_cmd() pdu:0x%x", p_result->pdu);
|
||
|
|
if (!AVRC_IsValidAvcType (p_result->pdu, p_msg->hdr.ctype))
|
||
|
|
{
|
||
|
|
AVRC_TRACE_DEBUG("avrc_pars_vendor_cmd() detects wrong AV/C type!");
|
||
|
|
status = AVRC_STS_BAD_CMD;
|
||
|
|
}
|
||
|
|
|
||
|
|
p++; /* skip the reserved byte */
|
||
|
|
BE_STREAM_TO_UINT16 (len, p);
|
||
|
|
if ((len+4) != (p_msg->vendor_len))
|
||
|
|
{
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (status != AVRC_STS_NO_ERROR)
|
||
|
|
return status;
|
||
|
|
|
||
|
|
switch (p_result->pdu)
|
||
|
|
{
|
||
|
|
case AVRC_PDU_GET_CAPABILITIES: /* 0x10 */
|
||
|
|
p_result->get_caps.capability_id = *p++;
|
||
|
|
if (!AVRC_IS_VALID_CAP_ID(p_result->get_caps.capability_id))
|
||
|
|
status = AVRC_STS_BAD_PARAM;
|
||
|
|
else if (len != 1)
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AVRC_PDU_LIST_PLAYER_APP_ATTR: /* 0x11 */
|
||
|
|
/* no additional parameters */
|
||
|
|
if (len != 0)
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AVRC_PDU_LIST_PLAYER_APP_VALUES: /* 0x12 */
|
||
|
|
p_result->list_app_values.attr_id = *p++;
|
||
|
|
if (!AVRC_IS_VALID_ATTRIBUTE(p_result->list_app_values.attr_id))
|
||
|
|
status = AVRC_STS_BAD_PARAM;
|
||
|
|
else if (len != 1)
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AVRC_PDU_GET_CUR_PLAYER_APP_VALUE: /* 0x13 */
|
||
|
|
case AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT: /* 0x15 */
|
||
|
|
BE_STREAM_TO_UINT8 (p_result->get_cur_app_val.num_attr, p);
|
||
|
|
if (len != (p_result->get_cur_app_val.num_attr+1))
|
||
|
|
{
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
p_u8 = p_result->get_cur_app_val.attrs;
|
||
|
|
for (xx=0, yy=0; xx< p_result->get_cur_app_val.num_attr; xx++)
|
||
|
|
{
|
||
|
|
/* only report the valid player app attributes */
|
||
|
|
if (AVRC_IsValidPlayerAttr(*p))
|
||
|
|
p_u8[yy++] = *p;
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
p_result->get_cur_app_val.num_attr = yy;
|
||
|
|
if (yy == 0)
|
||
|
|
{
|
||
|
|
status = AVRC_STS_BAD_PARAM;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AVRC_PDU_SET_PLAYER_APP_VALUE: /* 0x14 */
|
||
|
|
BE_STREAM_TO_UINT8 (p_result->set_app_val.num_val, p);
|
||
|
|
size_needed = sizeof(tAVRC_APP_SETTING);
|
||
|
|
if (p_buf && (len == ((p_result->set_app_val.num_val<<1) + 1)))
|
||
|
|
{
|
||
|
|
p_result->set_app_val.p_vals = (tAVRC_APP_SETTING *)p_buf;
|
||
|
|
p_app_set = p_result->set_app_val.p_vals;
|
||
|
|
for (xx=0; ((xx< p_result->set_app_val.num_val) && (buf_len > size_needed)); xx++)
|
||
|
|
{
|
||
|
|
p_app_set[xx].attr_id = *p++;
|
||
|
|
p_app_set[xx].attr_val = *p++;
|
||
|
|
if (!avrc_is_valid_player_attrib_value(p_app_set[xx].attr_id, p_app_set[xx].attr_val))
|
||
|
|
status = AVRC_STS_BAD_PARAM;
|
||
|
|
}
|
||
|
|
if (xx != p_result->set_app_val.num_val)
|
||
|
|
{
|
||
|
|
AVRC_TRACE_ERROR("AVRC_PDU_SET_PLAYER_APP_VALUE not enough room:%d orig num_val:%d",
|
||
|
|
xx, p_result->set_app_val.num_val);
|
||
|
|
p_result->set_app_val.num_val = xx;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
AVRC_TRACE_ERROR("AVRC_PDU_SET_PLAYER_APP_VALUE NULL decode buffer or bad len");
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT:/* 0x16 */
|
||
|
|
if (len < 3)
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
BE_STREAM_TO_UINT8 (p_result->get_app_val_txt.attr_id, p);
|
||
|
|
if (!AVRC_IS_VALID_ATTRIBUTE(p_result->get_app_val_txt.attr_id))
|
||
|
|
status = AVRC_STS_BAD_PARAM;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
BE_STREAM_TO_UINT8 (p_result->get_app_val_txt.num_val, p);
|
||
|
|
if ( (len - 2/* attr_id & num_val */) != p_result->get_app_val_txt.num_val)
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
p_u8 = p_result->get_app_val_txt.vals;
|
||
|
|
for (xx=0; xx< p_result->get_app_val_txt.num_val; xx++)
|
||
|
|
{
|
||
|
|
p_u8[xx] = *p++;
|
||
|
|
if (!avrc_is_valid_player_attrib_value(p_result->get_app_val_txt.attr_id,
|
||
|
|
p_u8[xx]))
|
||
|
|
{
|
||
|
|
status = AVRC_STS_BAD_PARAM;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AVRC_PDU_INFORM_DISPLAY_CHARSET: /* 0x17 */
|
||
|
|
if (len < 3)
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
BE_STREAM_TO_UINT8 (p_result->inform_charset.num_id, p);
|
||
|
|
if ( (len - 1/* num_id */) != p_result->inform_charset.num_id * 2)
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
p_u16 = p_result->inform_charset.charsets;
|
||
|
|
if (p_result->inform_charset.num_id > AVRC_MAX_CHARSET_SIZE)
|
||
|
|
p_result->inform_charset.num_id = AVRC_MAX_CHARSET_SIZE;
|
||
|
|
for (xx=0; xx< p_result->inform_charset.num_id; xx++)
|
||
|
|
{
|
||
|
|
BE_STREAM_TO_UINT16 (p_u16[xx], p);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AVRC_PDU_INFORM_BATTERY_STAT_OF_CT:/* 0x18 */
|
||
|
|
if (len != 1)
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
p_result->inform_battery_status.battery_status = *p++;
|
||
|
|
if (!AVRC_IS_VALID_BATTERY_STATUS(p_result->inform_battery_status.battery_status))
|
||
|
|
status = AVRC_STS_BAD_PARAM;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AVRC_PDU_GET_ELEMENT_ATTR: /* 0x20 */
|
||
|
|
if (len < 9) /* UID/8 and num_attr/1 */
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
BE_STREAM_TO_UINT32 (u32, p);
|
||
|
|
BE_STREAM_TO_UINT32 (u32_2, p);
|
||
|
|
if (u32== 0 && u32_2 == 0)
|
||
|
|
{
|
||
|
|
BE_STREAM_TO_UINT8 (p_result->get_elem_attrs.num_attr, p);
|
||
|
|
if ( (len - 9/* UID/8 and num_attr/1 */) != (p_result->get_elem_attrs.num_attr * 4))
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
p_u32 = p_result->get_elem_attrs.attrs;
|
||
|
|
if (p_result->get_elem_attrs.num_attr > AVRC_MAX_ELEM_ATTR_SIZE)
|
||
|
|
p_result->get_elem_attrs.num_attr = AVRC_MAX_ELEM_ATTR_SIZE;
|
||
|
|
for (xx=0; xx< p_result->get_elem_attrs.num_attr; xx++)
|
||
|
|
{
|
||
|
|
BE_STREAM_TO_UINT32 (p_u32[xx], p);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
status = AVRC_STS_NOT_FOUND;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AVRC_PDU_GET_PLAY_STATUS: /* 0x30 */
|
||
|
|
/* no additional parameters */
|
||
|
|
if (len != 0)
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AVRC_PDU_REGISTER_NOTIFICATION: /* 0x31 */
|
||
|
|
if (len != 5)
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
BE_STREAM_TO_UINT8 (p_result->reg_notif.event_id, p);
|
||
|
|
BE_STREAM_TO_UINT32 (p_result->reg_notif.param, p);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AVRC_PDU_SET_ABSOLUTE_VOLUME:
|
||
|
|
{
|
||
|
|
if(len!=1)
|
||
|
|
status = AVRC_STS_INTERNAL_ERR;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* case AVRC_PDU_REQUEST_CONTINUATION_RSP: 0x40 */
|
||
|
|
/* case AVRC_PDU_ABORT_CONTINUATION_RSP: 0x41 */
|
||
|
|
|
||
|
|
default:
|
||
|
|
status = AVRC_STS_BAD_CMD;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
**
|
||
|
|
** Function AVRC_ParsCommand
|
||
|
|
**
|
||
|
|
** Description This function is a superset of AVRC_ParsMetadata to parse the command.
|
||
|
|
**
|
||
|
|
** 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_ParsCommand (tAVRC_MSG *p_msg, tAVRC_COMMAND *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_pars_vendor_cmd(&p_msg->vendor, p_result, p_buf, buf_len);
|
||
|
|
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_ParsCommand() unknown opcode:0x%x", p_msg->hdr.opcode);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
p_result->cmd.opcode = p_msg->hdr.opcode;
|
||
|
|
p_result->cmd.status = status;
|
||
|
|
}
|
||
|
|
AVRC_TRACE_DEBUG("AVRC_ParsCommand() return status:0x%x", status);
|
||
|
|
return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* (AVRC_METADATA_INCLUDED == TRUE) */
|
||
|
|
|