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/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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 ANDROID_INCLUDE_BT_HH_H
#define ANDROID_INCLUDE_BT_HH_H
#include <stdint.h>
__BEGIN_DECLS
#define BTHH_MAX_DSC_LEN 884
/* HH connection states */
typedef enum
{
BTHH_CONN_STATE_CONNECTED = 0,
BTHH_CONN_STATE_CONNECTING,
BTHH_CONN_STATE_DISCONNECTED,
BTHH_CONN_STATE_DISCONNECTING,
BTHH_CONN_STATE_FAILED_MOUSE_FROM_HOST,
BTHH_CONN_STATE_FAILED_KBD_FROM_HOST,
BTHH_CONN_STATE_FAILED_TOO_MANY_DEVICES,
BTHH_CONN_STATE_FAILED_NO_BTHID_DRIVER,
BTHH_CONN_STATE_FAILED_GENERIC,
BTHH_CONN_STATE_UNKNOWN
} bthh_connection_state_t;
typedef enum
{
BTHH_OK = 0,
BTHH_HS_HID_NOT_READY, /* handshake error : device not ready */
BTHH_HS_INVALID_RPT_ID, /* handshake error : invalid report ID */
BTHH_HS_TRANS_NOT_SPT, /* handshake error : transaction not spt */
BTHH_HS_INVALID_PARAM, /* handshake error : invalid paremter */
BTHH_HS_ERROR, /* handshake error : unspecified HS error */
BTHH_ERR, /* general BTA HH error */
BTHH_ERR_SDP, /* SDP error */
BTHH_ERR_PROTO, /* SET_Protocol error,
only used in BTA_HH_OPEN_EVT callback */
BTHH_ERR_DB_FULL, /* device database full error, used */
BTHH_ERR_TOD_UNSPT, /* type of device not supported */
BTHH_ERR_NO_RES, /* out of system resources */
BTHH_ERR_AUTH_FAILED, /* authentication fail */
BTHH_ERR_HDL
}bthh_status_t;
/* Protocol modes */
typedef enum {
BTHH_REPORT_MODE = 0x00,
BTHH_BOOT_MODE = 0x01,
BTHH_UNSUPPORTED_MODE = 0xff
}bthh_protocol_mode_t;
/* Report types */
typedef enum {
BTHH_INPUT_REPORT = 1,
BTHH_OUTPUT_REPORT,
BTHH_FEATURE_REPORT
}bthh_report_type_t;
typedef struct
{
int attr_mask;
uint8_t sub_class;
uint8_t app_id;
int vendor_id;
int product_id;
int version;
uint8_t ctry_code;
int dl_len;
uint8_t dsc_list[BTHH_MAX_DSC_LEN];
} bthh_hid_info_t;
/** Callback for connection state change.
* state will have one of the values from bthh_connection_state_t
*/
typedef void (* bthh_connection_state_callback)(bt_bdaddr_t *bd_addr, bthh_connection_state_t state);
/** Callback for vitual unplug api.
* the status of the vitual unplug
*/
typedef void (* bthh_virtual_unplug_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status);
/** Callback for get hid info
* hid_info will contain attr_mask, sub_class, app_id, vendor_id, product_id, version, ctry_code, len
*/
typedef void (* bthh_hid_info_callback)(bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info);
/** Callback for get protocol api.
* the protocol mode is one of the value from bthh_protocol_mode_t
*/
typedef void (* bthh_protocol_mode_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status, bthh_protocol_mode_t mode);
/** Callback for get/set_idle_time api.
*/
typedef void (* bthh_idle_time_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status, int idle_rate);
/** Callback for get report api.
* if staus is ok rpt_data contains the report data
*/
typedef void (* bthh_get_report_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status, uint8_t* rpt_data, int rpt_size);
/** Callback for set_report/set_protocol api and if error
* occurs for get_report/get_protocol api.
*/
typedef void (* bthh_handshake_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status);
/** BT-HH callback structure. */
typedef struct {
/** set to sizeof(BtHfCallbacks) */
size_t size;
bthh_connection_state_callback connection_state_cb;
bthh_hid_info_callback hid_info_cb;
bthh_protocol_mode_callback protocol_mode_cb;
bthh_idle_time_callback idle_time_cb;
bthh_get_report_callback get_report_cb;
bthh_virtual_unplug_callback virtual_unplug_cb;
bthh_handshake_callback handshake_cb;
} bthh_callbacks_t;
/** Represents the standard BT-HH interface. */
typedef struct {
/** set to sizeof(BtHhInterface) */
size_t size;
/**
* Register the BtHh callbacks
*/
bt_status_t (*init)( bthh_callbacks_t* callbacks );
/** connect to hid device */
bt_status_t (*connect)( bt_bdaddr_t *bd_addr);
/** dis-connect from hid device */
bt_status_t (*disconnect)( bt_bdaddr_t *bd_addr );
/** Virtual UnPlug (VUP) the specified HID device */
bt_status_t (*virtual_unplug)(bt_bdaddr_t *bd_addr);
/** Set the HID device descriptor for the specified HID device. */
bt_status_t (*set_info)(bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info );
/** Get the HID proto mode. */
bt_status_t (*get_protocol) (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode);
/** Set the HID proto mode. */
bt_status_t (*set_protocol)(bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode);
/** Send a GET_REPORT to HID device. */
bt_status_t (*get_report)(bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize);
/** Send a SET_REPORT to HID device. */
bt_status_t (*set_report)(bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report);
/** Send data to HID device. */
bt_status_t (*send_data)(bt_bdaddr_t *bd_addr, char* data);
/** Closes the interface. */
void (*cleanup)( void );
} bthh_interface_t;
__END_DECLS
#endif /* ANDROID_INCLUDE_BT_HH_H */
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