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