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/******************************************************************************
*
* Copyright 2016 The Android Open Source Project
* Copyright 2002-2012 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.
*
******************************************************************************/
#ifndef BTA_HD_API_H
#define BTA_HD_API_H
#include <cstdint>
#include "bta/include/bta_api.h"
#include "stack/include/hiddefs.h"
#include "types/raw_address.h"
/*****************************************************************************
* Constants and Type Definitions
****************************************************************************/
#ifndef BTA_HD_DEBUG
#define BTA_HD_DEBUG FALSE
#endif
/* BTA HID Device callback events */
#define BTA_HD_ENABLE_EVT 0 /* BT-HD enabled */
#define BTA_HD_DISABLE_EVT 1 /* BT-HD disabled */
#define BTA_HD_REGISTER_APP_EVT 2 /* application registered */
#define BTA_HD_UNREGISTER_APP_EVT 3 /* application unregistered */
#define BTA_HD_OPEN_EVT 4 /* connection to host opened */
#define BTA_HD_CLOSE_EVT 5 /* connection to host closed */
#define BTA_HD_GET_REPORT_EVT 6 /* GET_REPORT request from host */
#define BTA_HD_SET_REPORT_EVT 7 /* SET_REPORT request from host */
#define BTA_HD_SET_PROTOCOL_EVT 8 /* SET_PROTOCOL request from host */
#define BTA_HD_INTR_DATA_EVT 9 /* DATA received from host on intr */
#define BTA_HD_VC_UNPLUG_EVT 10 /* Virtual Cable Unplug */
#define BTA_HD_CONN_STATE_EVT 11 /* Report connection state change */
#define BTA_HD_API_ERR_EVT 99 /* BT-HD API error */
typedef uint16_t tBTA_HD_EVT;
enum { BTA_HD_OK, BTA_HD_ERROR };
typedef uint8_t tBTA_HD_STATUS;
typedef tHID_DEV_DSCP_INFO tBTA_HD_DEV_DESCR;
typedef struct {
char* p_name;
char* p_description;
char* p_provider;
uint8_t subclass;
tBTA_HD_DEV_DESCR descriptor;
} tBTA_HD_APP_INFO;
typedef struct {
uint8_t service_type;
uint32_t token_rate;
uint32_t token_bucket_size;
uint32_t peak_bandwidth;
uint32_t access_latency;
uint32_t delay_variation;
} tBTA_HD_QOS_INFO;
typedef struct {
bool use_intr;
uint8_t type;
uint8_t id;
uint16_t len;
uint8_t* p_data;
} tBTA_HD_REPORT;
typedef struct {
tBTA_HD_STATUS status;
bool in_use;
RawAddress bda;
} tBTA_HD_REG_STATUS;
typedef struct {
RawAddress bda;
tBTA_HD_STATUS status;
} tBTA_HD_CONN;
typedef struct {
uint8_t report_type;
uint8_t report_id;
uint16_t buffer_size;
} tBTA_HD_GET_REPORT;
typedef struct {
uint8_t report_type;
uint8_t report_id;
uint16_t len;
uint8_t* p_data;
} tBTA_HD_SET_REPORT;
typedef uint8_t tBTA_HD_SET_PROTOCOL;
typedef struct {
uint8_t report_id;
uint16_t len;
uint8_t* p_data;
} tBTA_HD_INTR_DATA;
/* union of data associated with HD callback */
typedef union {
tBTA_HD_STATUS status; /* BTA_HD_ENABLE_EVT
BTA_HD_DISABLE_EVT
BTA_HD_UNREGISTER_APP_EVT */
tBTA_HD_REG_STATUS reg_status; /* BTA_HD_REGISTER_APP_EVT */
tBTA_HD_CONN conn; /* BTA_HD_OPEN_EVT
BTA_HD_CLOSE_EVT
BTA_HD_VC_UNPLUG_EVT
BTA_HD_OWN_VC_UNPLUG_EVT */
tBTA_HD_GET_REPORT get_report; /* BTA_HD_GET_REPORT */
tBTA_HD_SET_REPORT set_report; /* BTA_HD_SET_REPORT */
tBTA_HD_SET_PROTOCOL set_protocol; /* BTA_HD_SETPROTOCOL */
tBTA_HD_INTR_DATA intr_data; /* BTA_HD_INTR_DATA_EVT */
} tBTA_HD;
/* BTA HD callback function */
typedef void(tBTA_HD_CBACK)(tBTA_HD_EVT event, tBTA_HD* p_data);
/*****************************************************************************
* External Function Declarations
****************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
/*******************************************************************************
*
* Function BTA_HhRegister
*
* Description This function enable HID host and registers HID-Host with
* lower layers.
*
* Returns void
*
******************************************************************************/
extern void BTA_HdEnable(tBTA_HD_CBACK* p_cback);
/*******************************************************************************
*
* Function BTA_HhDeregister
*
* Description This function is called when the host is about power down.
*
* Returns void
*
******************************************************************************/
extern void BTA_HdDisable(void);
/*******************************************************************************
*
* Function BTA_HdRegisterApp
*
* Description This function is called when application should be
*registered
*
* Returns void
*
******************************************************************************/
extern void BTA_HdRegisterApp(tBTA_HD_APP_INFO* p_app_info,
tBTA_HD_QOS_INFO* p_in_qos,
tBTA_HD_QOS_INFO* p_out_qos);
/*******************************************************************************
*
* Function BTA_HdUnregisterApp
*
* Description This function is called when application should be
*unregistered
*
* Returns void
*
******************************************************************************/
extern void BTA_HdUnregisterApp(void);
/*******************************************************************************
*
* Function BTA_HdSendReport
*
* Description This function is called when report is to be sent
*
* Returns void
*
******************************************************************************/
extern void BTA_HdSendReport(tBTA_HD_REPORT* p_report);
/*******************************************************************************
*
* Function BTA_HdVirtualCableUnplug
*
* Description This function is called when VCU shall be sent
*
* Returns void
*
******************************************************************************/
extern void BTA_HdVirtualCableUnplug(void);
/*******************************************************************************
*
* Function BTA_HdConnect
*
* Description This function is called when connection to host shall be
* made
*
* Returns void
*
******************************************************************************/
extern void BTA_HdConnect(const RawAddress& addr);
/*******************************************************************************
*
* Function BTA_HdDisconnect
*
* Description This function is called when host shall be disconnected
*
* Returns void
*
******************************************************************************/
extern void BTA_HdDisconnect(void);
/*******************************************************************************
*
* Function BTA_HdAddDevice
*
* Description This function is called when a device is virtually cabled
*
* Returns void
*
******************************************************************************/
extern void BTA_HdAddDevice(const RawAddress& addr);
/*******************************************************************************
*
* Function BTA_HdRemoveDevice
*
* Description This function is called when a device is virtually uncabled
*
* Returns void
*
******************************************************************************/
extern void BTA_HdRemoveDevice(const RawAddress& addr);
/*******************************************************************************
*
* Function BTA_HdReportError
*
* Description This function is called when reporting error for set report
*
* Returns void
*
******************************************************************************/
extern void BTA_HdReportError(uint8_t error);
#ifdef __cplusplus
}
#endif
#endif /* BTA_HD_API_H */
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