184 lines
5.4 KiB
C
184 lines
5.4 KiB
C
/*
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* Copyright (C) 2012 The Android Open Source Project
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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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#ifndef __BTC_AVRC_H__
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#define __BTC_AVRC_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include "common/bt_defs.h"
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#include "stack/bt_types.h"
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#include "bta/bta_av_api.h"
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#include "btc/btc_task.h"
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#include "esp_avrc_api.h"
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#if (BTC_AV_INCLUDED == TRUE)
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#ifndef BTC_AVRC_TGT_INCLUDED
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#define BTC_AVRC_TGT_INCLUDED FALSE
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#endif
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typedef enum {
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BTC_AVRC_CT_API_INIT_EVT = 0,
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BTC_AVRC_CT_API_DEINIT_EVT,
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BTC_AVRC_CTRL_API_SND_PTCMD_EVT,
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BTC_AVRC_STATUS_API_SND_META_EVT,
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BTC_AVRC_STATUS_API_SND_PLAY_STATUS_EVT,
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BTC_AVRC_STATUS_API_SND_GET_RN_CAPS_EVT,
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BTC_AVRC_NOTIFY_API_SND_REG_NOTIFY_EVT,
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BTC_AVRC_CTRL_API_SND_SET_PLAYER_SETTING_EVT,
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BTC_AVRC_CTRL_API_SND_SET_ABSOLUTE_VOLUME_EVT
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} btc_avrc_act_t;
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typedef struct {
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uint8_t tl; /* transaction label */
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uint8_t key_code;
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uint8_t key_state;
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} pt_cmd_t;
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typedef struct {
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uint8_t tl;
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uint8_t attr_mask;
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} md_cmd_t;
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typedef struct {
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uint8_t tl;
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uint8_t event_id;
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uint32_t event_parameter;
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} rn_cmd_t;
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typedef struct {
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uint8_t tl;
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uint8_t attr_id;
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uint8_t value_id;
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} ps_cmd_t;
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typedef struct {
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uint8_t tl;
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} get_caps_cmd_t;
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#define BTC_AVRC_MIN_VOLUME 0x00
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#define BTC_AVRC_MAX_VOLUME 0x7f
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typedef struct {
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uint8_t tl;
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uint8_t volume;
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} set_abs_vol_cmd_t;
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/* btc_avrc_args_t */
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typedef union {
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pt_cmd_t pt_cmd;
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md_cmd_t md_cmd;
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rn_cmd_t rn_cmd;
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ps_cmd_t ps_cmd;
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get_caps_cmd_t get_caps_cmd;
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set_abs_vol_cmd_t set_abs_vol_cmd;
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} btc_avrc_args_t;
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/* btc_avrc_tg_act_t */
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typedef enum {
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BTC_AVRC_TG_API_INIT_EVT = 0,
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BTC_AVRC_TG_API_DEINIT_EVT,
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BTC_AVRC_TG_API_SET_RN_SUPPORTED_EVT,
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BTC_AVRC_TG_API_SET_PSTH_SUPPORTED_CMD_EVT,
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BTC_AVRC_TG_API_SEND_RN_RSP_EVT,
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} btc_avrc_tg_act_t;
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/*****************************************************************************
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** Constants & Macros
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******************************************************************************/
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/* for AVRC 1.4 need to change this */
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#define BTC_RC_CT_INIT_MAGIC 0x20181128
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#define BTC_RC_TG_INIT_MAGIC 0x20181129
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#define MAX_RC_NOTIFICATIONS (13) // refer to ESP_AVRC_RN_MAX_EVT
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#define CHECK_ESP_RC_CONNECTED do { \
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BTC_TRACE_DEBUG("## %s ##", __FUNCTION__); \
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if (btc_rc_cb.rc_connected == FALSE) { \
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BTC_TRACE_WARNING("Function %s() called when RC is not connected", __FUNCTION__); \
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return ESP_ERR_INVALID_STATE; \
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} \
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} while (0)
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/*****************************************************************************
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** Local type definitions
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******************************************************************************/
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typedef struct {
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BOOLEAN registered;
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UINT8 label;
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} btc_rc_reg_ntf_t;
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typedef struct {
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BOOLEAN rc_connected;
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UINT8 rc_handle;
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tBTA_AV_FEAT rc_features;
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UINT16 rc_ct_features;
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UINT16 rc_tg_features;
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BD_ADDR rc_addr;
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btc_rc_reg_ntf_t rc_ntf[MAX_RC_NOTIFICATIONS];
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} btc_rc_cb_t;
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/*****************************************************************************
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** Static variables
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******************************************************************************/
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#if AVRC_DYNAMIC_MEMORY == TRUE
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extern btc_rc_cb_t *btc_rc_cb_ptr;
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#define btc_rc_cb (*btc_rc_cb_ptr)
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#endif ///AVRC_DYNAMIC_MEMORY == FALSE
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typedef struct {
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esp_avrc_rn_event_ids_t event_id;
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esp_avrc_rn_rsp_t rsp;
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esp_avrc_rn_param_t param;
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} rn_rsp_t;
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/* btc_avrc_tg_args_t */
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typedef union {
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rn_rsp_t rn_rsp; /* BTC_AVRC_TG_API_SEND_RN_RSP_EVT */
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uint16_t set_rn_evt; /* BTC_AVRC_TG_API_SET_RN_SUPPORTED_EVT */
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uint16_t *set_psth_cmd; /* BTC_AVRC_TG_API_SET_PSTH_SUPPORTED_CMD_EVT */
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} btc_avrc_tg_args_t;
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void btc_rc_handler(tBTA_AV_EVT event, tBTA_AV *p_data);
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BOOLEAN btc_rc_get_connected_peer(BD_ADDR peer_addr);
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/*******************************************************************************
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** BTC AVRC API
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********************************************************************************/
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void btc_avrc_ct_call_handler(btc_msg_t *msg);
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void btc_avrc_tg_call_handler(btc_msg_t *msg);
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void btc_avrc_tg_arg_deep_copy(btc_msg_t *msg, void *p_dest, void *p_src);
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bool btc_avrc_tg_init_p(void);
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bool btc_avrc_ct_init_p(void);
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bool btc_avrc_tg_connected_p(void);
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bool btc_avrc_ct_connected_p(void);
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const uint16_t *btc_avrc_tg_get_supported_command(void);
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const uint16_t *btc_avrc_tg_get_allowed_command(void);
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bool btc_avrc_tg_check_supported_command(const uint16_t *cmd_set);
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uint16_t btc_avrc_tg_get_rn_allowed_evt(void);
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uint16_t btc_avrc_tg_get_rn_supported_evt(void);
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bool btc_avrc_tg_check_rn_supported_evt(uint16_t evt_set);
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bool btc_avrc_tg_rn_evt_supported(uint8_t event_id);
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bool btc_avrc_ct_rn_evt_supported(uint8_t event_id);
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#endif ///BTC_AV_INCLUDED == TRUE
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#endif /* __BTC_AVRC_H__ */
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