You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
231 lines
7.1 KiB
231 lines
7.1 KiB
/******************************************************************************
|
|
*
|
|
* Copyright 2003-2016 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 "avrc_api.h"
|
|
#include "avrc_int.h"
|
|
#include "bt_common.h"
|
|
|
|
/**************************************************************************
|
|
*
|
|
* Function AVRC_IsValidAvcType
|
|
*
|
|
* Description Check if correct AVC type is specified
|
|
*
|
|
* Returns returns true if it is valid
|
|
*
|
|
*
|
|
******************************************************************************/
|
|
bool AVRC_IsValidAvcType(uint8_t pdu_id, uint8_t avc_type) {
|
|
bool result = false;
|
|
|
|
if (avc_type < AVRC_RSP_NOT_IMPL) /* command msg */
|
|
{
|
|
switch (pdu_id) {
|
|
case AVRC_PDU_GET_CAPABILITIES: /* 0x10 */
|
|
case AVRC_PDU_LIST_PLAYER_APP_ATTR: /* 0x11 */
|
|
case AVRC_PDU_LIST_PLAYER_APP_VALUES: /* 0x12 */
|
|
case AVRC_PDU_GET_CUR_PLAYER_APP_VALUE: /* 0x13 */
|
|
case AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT: /* 0x15 */
|
|
case AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT: /* 0x16 */
|
|
case AVRC_PDU_GET_ELEMENT_ATTR: /* 0x20 */
|
|
case AVRC_PDU_GET_PLAY_STATUS: /* 0x30 */
|
|
if (avc_type == AVRC_CMD_STATUS) result = true;
|
|
break;
|
|
|
|
case AVRC_PDU_SET_PLAYER_APP_VALUE: /* 0x14 */
|
|
case AVRC_PDU_INFORM_DISPLAY_CHARSET: /* 0x17 */
|
|
case AVRC_PDU_INFORM_BATTERY_STAT_OF_CT: /* 0x18 */
|
|
case AVRC_PDU_REQUEST_CONTINUATION_RSP: /* 0x40 */
|
|
case AVRC_PDU_ABORT_CONTINUATION_RSP: /* 0x41 */
|
|
if (avc_type == AVRC_CMD_CTRL) result = true;
|
|
break;
|
|
|
|
case AVRC_PDU_GET_FOLDER_ITEMS: /* 0x71 */
|
|
result = true;
|
|
break;
|
|
|
|
case AVRC_PDU_SET_ABSOLUTE_VOLUME: /* 0x50 */
|
|
case AVRC_PDU_SET_ADDRESSED_PLAYER: /* 0x60 */
|
|
case AVRC_PDU_PLAY_ITEM: /* 0x74 */
|
|
case AVRC_PDU_ADD_TO_NOW_PLAYING: /* 0x90 */
|
|
if (avc_type == AVRC_CMD_CTRL) result = true;
|
|
break;
|
|
|
|
case AVRC_PDU_REGISTER_NOTIFICATION: /* 0x31 */
|
|
if (avc_type == AVRC_CMD_NOTIF) result = true;
|
|
break;
|
|
}
|
|
} else /* response msg */
|
|
{
|
|
if (avc_type >= AVRC_RSP_NOT_IMPL && avc_type <= AVRC_RSP_INTERIM)
|
|
result = true;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function avrc_is_valid_player_attrib_value
|
|
*
|
|
* Description Check if the given attrib value is valid for its attribute
|
|
*
|
|
* Returns returns true if it is valid
|
|
*
|
|
******************************************************************************/
|
|
bool avrc_is_valid_player_attrib_value(uint8_t attrib, uint8_t value) {
|
|
bool result = false;
|
|
|
|
switch (attrib) {
|
|
case AVRC_PLAYER_SETTING_EQUALIZER:
|
|
if ((value > 0) && (value <= AVRC_PLAYER_VAL_ON)) result = true;
|
|
break;
|
|
|
|
case AVRC_PLAYER_SETTING_REPEAT:
|
|
if ((value > 0) && (value <= AVRC_PLAYER_VAL_GROUP_REPEAT)) result = true;
|
|
break;
|
|
|
|
case AVRC_PLAYER_SETTING_SHUFFLE:
|
|
case AVRC_PLAYER_SETTING_SCAN:
|
|
if ((value > 0) && (value <= AVRC_PLAYER_VAL_GROUP_SHUFFLE))
|
|
result = true;
|
|
break;
|
|
}
|
|
|
|
if (attrib >= AVRC_PLAYER_SETTING_LOW_MENU_EXT) result = true;
|
|
|
|
if (!result) {
|
|
AVRC_TRACE_ERROR(" %s found not matching attrib(x%x)-value(x%x) pair!",
|
|
__func__, attrib, value);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function AVRC_IsValidPlayerAttr
|
|
*
|
|
* Description Check if the given attrib value is a valid one
|
|
*
|
|
* Returns returns true if it is valid
|
|
*
|
|
******************************************************************************/
|
|
bool AVRC_IsValidPlayerAttr(uint8_t attr) {
|
|
bool result = false;
|
|
|
|
if ((attr >= AVRC_PLAYER_SETTING_EQUALIZER &&
|
|
attr <= AVRC_PLAYER_SETTING_SCAN) ||
|
|
(attr >= AVRC_PLAYER_SETTING_LOW_MENU_EXT)) {
|
|
result = true;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function avrc_pars_pass_thru
|
|
*
|
|
* Description This function parses the pass thru 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
|
|
*
|
|
******************************************************************************/
|
|
tAVRC_STS avrc_pars_pass_thru(tAVRC_MSG_PASS* p_msg,
|
|
uint16_t* p_vendor_unique_id) {
|
|
uint8_t* p_data;
|
|
uint32_t co_id;
|
|
uint16_t id;
|
|
tAVRC_STS status = AVRC_STS_BAD_CMD;
|
|
|
|
if (p_msg->op_id == AVRC_ID_VENDOR &&
|
|
p_msg->pass_len == AVRC_PASS_THRU_GROUP_LEN) {
|
|
p_data = p_msg->p_pass_data;
|
|
AVRC_BE_STREAM_TO_CO_ID(co_id, p_data);
|
|
if (co_id == AVRC_CO_METADATA) {
|
|
BE_STREAM_TO_UINT16(id, p_data);
|
|
if (AVRC_IS_VALID_GROUP(id)) {
|
|
*p_vendor_unique_id = id;
|
|
status = AVRC_STS_NO_ERROR;
|
|
}
|
|
}
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function avrc_opcode_from_pdu
|
|
*
|
|
* Description This function returns the opcode of the given pdu
|
|
*
|
|
* Returns AVRC_OP_VENDOR, AVRC_OP_PASS_THRU or AVRC_OP_BROWSE
|
|
*
|
|
******************************************************************************/
|
|
uint8_t avrc_opcode_from_pdu(uint8_t pdu) {
|
|
uint8_t opcode = 0;
|
|
|
|
switch (pdu) {
|
|
case AVRC_PDU_SET_BROWSED_PLAYER:
|
|
case AVRC_PDU_GET_FOLDER_ITEMS:
|
|
case AVRC_PDU_CHANGE_PATH:
|
|
case AVRC_PDU_GET_ITEM_ATTRIBUTES:
|
|
case AVRC_PDU_SEARCH:
|
|
case AVRC_PDU_GENERAL_REJECT:
|
|
case AVRC_PDU_GET_TOTAL_NUM_OF_ITEMS:
|
|
opcode = AVRC_OP_BROWSE;
|
|
break;
|
|
|
|
case AVRC_PDU_NEXT_GROUP:
|
|
case AVRC_PDU_PREV_GROUP: /* pass thru */
|
|
opcode = AVRC_OP_PASS_THRU;
|
|
break;
|
|
|
|
default: /* vendor */
|
|
opcode = AVRC_OP_VENDOR;
|
|
break;
|
|
}
|
|
|
|
return opcode;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function avrc_is_valid_opcode
|
|
*
|
|
* Description This function returns the opcode of the given pdu
|
|
*
|
|
* Returns AVRC_OP_VENDOR, AVRC_OP_PASS_THRU or AVRC_OP_BROWSE
|
|
*
|
|
******************************************************************************/
|
|
bool avrc_is_valid_opcode(uint8_t opcode) {
|
|
bool is_valid = false;
|
|
switch (opcode) {
|
|
case AVRC_OP_BROWSE:
|
|
case AVRC_OP_PASS_THRU:
|
|
case AVRC_OP_VENDOR:
|
|
is_valid = true;
|
|
break;
|
|
}
|
|
return is_valid;
|
|
}
|