mirror of
https://github.com/espressif/esp-idf.git
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6c793cb8eb
1. move the app demo code to example 2. move the header files to correct path 3. move profile to profiles directory and seperate esp&std 4. some other codes 5. needs continue to cleanup the code
240 lines
6.9 KiB
C
Executable File
240 lines
6.9 KiB
C
Executable File
/******************************************************************************
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*
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* Copyright (C) 2003-2013 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 "gki.h"
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#include "avrc_api.h"
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#include "avrc_int.h"
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#if (AVRC_METADATA_INCLUDED == TRUE)
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/**************************************************************************
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**
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** Function AVRC_IsValidAvcType
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**
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** Description Check if correct AVC type is specified
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**
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** Returns returns TRUE if it is valid
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**
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**
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*******************************************************************************/
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BOOLEAN AVRC_IsValidAvcType(UINT8 pdu_id, UINT8 avc_type)
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{
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BOOLEAN result=FALSE;
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if (avc_type < AVRC_RSP_NOT_IMPL) /* command msg */
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{
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switch (pdu_id)
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{
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case AVRC_PDU_GET_CAPABILITIES: /* 0x10 */
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case AVRC_PDU_LIST_PLAYER_APP_ATTR: /* 0x11 */
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case AVRC_PDU_LIST_PLAYER_APP_VALUES: /* 0x12 */
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case AVRC_PDU_GET_CUR_PLAYER_APP_VALUE: /* 0x13 */
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case AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT: /* 0x15 */
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case AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT: /* 0x16 */
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case AVRC_PDU_GET_ELEMENT_ATTR: /* 0x20 */
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case AVRC_PDU_GET_PLAY_STATUS: /* 0x30 */
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if (avc_type == AVRC_CMD_STATUS)
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result=TRUE;
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break;
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case AVRC_PDU_SET_PLAYER_APP_VALUE: /* 0x14 */
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case AVRC_PDU_INFORM_DISPLAY_CHARSET: /* 0x17 */
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case AVRC_PDU_INFORM_BATTERY_STAT_OF_CT: /* 0x18 */
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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 (avc_type == AVRC_CMD_CTRL)
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result=TRUE;
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break;
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case AVRC_PDU_REGISTER_NOTIFICATION: /* 0x31 */
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if (avc_type == AVRC_CMD_NOTIF)
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result=TRUE;
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break;
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}
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}
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else /* response msg */
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{
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if (avc_type >= AVRC_RSP_NOT_IMPL &&
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avc_type <= AVRC_RSP_INTERIM )
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result=TRUE;
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}
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return result;
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}
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/*******************************************************************************
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**
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** Function avrc_is_valid_player_attrib_value
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**
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** Description Check if the given attrib value is valid for its attribute
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**
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** Returns returns TRUE if it is valid
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**
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*******************************************************************************/
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BOOLEAN avrc_is_valid_player_attrib_value(UINT8 attrib, UINT8 value)
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{
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BOOLEAN result=FALSE;
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switch(attrib)
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{
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case AVRC_PLAYER_SETTING_EQUALIZER:
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if ((value > 0) &&
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(value <= AVRC_PLAYER_VAL_ON))
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result=TRUE;
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break;
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case AVRC_PLAYER_SETTING_REPEAT:
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if ((value > 0) &&
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(value <= AVRC_PLAYER_VAL_GROUP_REPEAT))
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result=TRUE;
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break;
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case AVRC_PLAYER_SETTING_SHUFFLE:
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case AVRC_PLAYER_SETTING_SCAN:
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if ((value > 0) &&
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(value <= AVRC_PLAYER_VAL_GROUP_SHUFFLE))
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result=TRUE;
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break;
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}
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if (attrib >= AVRC_PLAYER_SETTING_LOW_MENU_EXT)
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result = TRUE;
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if (!result)
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AVRC_TRACE_ERROR(
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"avrc_is_valid_player_attrib_value() found not matching attrib(x%x)-value(x%x) pair!",
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attrib, value);
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return result;
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}
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/*******************************************************************************
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**
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** Function AVRC_IsValidPlayerAttr
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**
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** Description Check if the given attrib value is a valid one
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**
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** Returns returns TRUE if it is valid
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**
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*******************************************************************************/
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BOOLEAN AVRC_IsValidPlayerAttr(UINT8 attr)
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{
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BOOLEAN result=FALSE;
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if ( (attr >= AVRC_PLAYER_SETTING_EQUALIZER && attr <= AVRC_PLAYER_SETTING_SCAN) ||
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(attr >= AVRC_PLAYER_SETTING_LOW_MENU_EXT) )
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{
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result = TRUE;
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}
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return result;
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}
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/*******************************************************************************
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**
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** Function avrc_pars_pass_thru
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**
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** Description This function parses the pass thru 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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tAVRC_STS avrc_pars_pass_thru(tAVRC_MSG_PASS *p_msg, UINT16 *p_vendor_unique_id)
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{
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UINT8 *p_data;
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UINT32 co_id;
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UINT16 id;
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tAVRC_STS status = AVRC_STS_BAD_CMD;
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if (p_msg->op_id == AVRC_ID_VENDOR && p_msg->pass_len == AVRC_PASS_THRU_GROUP_LEN)
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{
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p_data = p_msg->p_pass_data;
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AVRC_BE_STREAM_TO_CO_ID (co_id, p_data);
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if (co_id == AVRC_CO_METADATA)
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{
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BE_STREAM_TO_UINT16 (id, p_data);
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if (AVRC_IS_VALID_GROUP(id))
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{
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*p_vendor_unique_id = id;
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status = AVRC_STS_NO_ERROR;
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}
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}
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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_opcode_from_pdu
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**
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** Description This function returns the opcode of the given pdu
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**
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** Returns AVRC_OP_VENDOR, AVRC_OP_PASS_THRU or AVRC_OP_BROWSE
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**
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*******************************************************************************/
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UINT8 avrc_opcode_from_pdu(UINT8 pdu)
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{
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UINT8 opcode = 0;
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switch (pdu)
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{
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case AVRC_PDU_NEXT_GROUP:
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case AVRC_PDU_PREV_GROUP: /* pass thru */
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opcode = AVRC_OP_PASS_THRU;
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break;
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default: /* vendor */
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opcode = AVRC_OP_VENDOR;
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break;
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}
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return opcode;
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}
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/*******************************************************************************
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**
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** Function avrc_is_valid_opcode
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**
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** Description This function returns the opcode of the given pdu
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**
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** Returns AVRC_OP_VENDOR, AVRC_OP_PASS_THRU or AVRC_OP_BROWSE
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**
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*******************************************************************************/
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BOOLEAN avrc_is_valid_opcode(UINT8 opcode)
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{
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BOOLEAN is_valid = FALSE;
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switch (opcode)
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{
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case AVRC_OP_BROWSE:
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case AVRC_OP_PASS_THRU:
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case AVRC_OP_VENDOR:
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is_valid = TRUE;
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break;
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}
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return is_valid;
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}
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#endif /* (AVRC_METADATA_INCLUDED == TRUE) */
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