1 /****************************************************************************** 2 * 3 * Copyright 2009-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 #ifndef BTIF_HH_H 20 #define BTIF_HH_H 21 22 #include <hardware/bluetooth.h> 23 #include <hardware/bt_hh.h> 24 #include <pthread.h> 25 #include <stdint.h> 26 #include "bta_hh_api.h" 27 #include "btu.h" 28 29 /******************************************************************************* 30 * Constants & Macros 31 ******************************************************************************/ 32 33 #define BTIF_HH_MAX_HID 8 34 #define BTIF_HH_MAX_ADDED_DEV 32 35 36 #define BTIF_HH_MAX_KEYSTATES 3 37 #define BTIF_HH_KEYSTATE_MASK_NUMLOCK 0x01 38 #define BTIF_HH_KEYSTATE_MASK_CAPSLOCK 0x02 39 #define BTIF_HH_KEYSTATE_MASK_SCROLLLOCK 0x04 40 41 #define BTIF_HH_MAX_POLLING_ATTEMPTS 10 42 #define BTIF_HH_POLLING_SLEEP_DURATION_US 5000 43 44 /******************************************************************************* 45 * Type definitions and return values 46 ******************************************************************************/ 47 48 typedef enum { 49 BTIF_HH_DISABLED = 0, 50 BTIF_HH_ENABLED, 51 BTIF_HH_DISABLING, 52 BTIF_HH_DEV_UNKNOWN, 53 BTIF_HH_DEV_CONNECTING, 54 BTIF_HH_DEV_CONNECTED, 55 BTIF_HH_DEV_DISCONNECTED 56 } BTIF_HH_STATUS; 57 58 typedef struct { 59 bthh_connection_state_t dev_status; 60 uint8_t dev_handle; 61 RawAddress bd_addr; 62 tBTA_HH_ATTR_MASK attr_mask; 63 uint8_t sub_class; 64 uint8_t app_id; 65 int fd; 66 bool ready_for_data; 67 pthread_t hh_poll_thread_id; 68 uint8_t hh_keep_polling; 69 alarm_t* vup_timer; 70 bool local_vup; // Indicated locally initiated VUP 71 } btif_hh_device_t; 72 73 /* Control block to maintain properties of devices */ 74 typedef struct { 75 uint8_t dev_handle; 76 RawAddress bd_addr; 77 tBTA_HH_ATTR_MASK attr_mask; 78 } btif_hh_added_device_t; 79 80 /** 81 * BTIF-HH control block to maintain added devices and currently 82 * connected hid devices 83 */ 84 typedef struct { 85 BTIF_HH_STATUS status; 86 btif_hh_device_t devices[BTIF_HH_MAX_HID]; 87 uint32_t device_num; 88 btif_hh_added_device_t added_devices[BTIF_HH_MAX_ADDED_DEV]; 89 btif_hh_device_t* p_curr_dev; 90 bool service_dereg_active; 91 RawAddress pending_conn_address; 92 } btif_hh_cb_t; 93 94 /******************************************************************************* 95 * Functions 96 ******************************************************************************/ 97 98 extern btif_hh_cb_t btif_hh_cb; 99 100 extern btif_hh_device_t* btif_hh_find_connected_dev_by_handle(uint8_t handle); 101 extern void btif_hh_remove_device(RawAddress bd_addr); 102 extern bool btif_hh_add_added_dev(const RawAddress& bda, 103 tBTA_HH_ATTR_MASK attr_mask); 104 extern bt_status_t btif_hh_virtual_unplug(const RawAddress* bd_addr); 105 extern void btif_hh_disconnect(RawAddress* bd_addr); 106 extern void btif_hh_setreport(btif_hh_device_t* p_dev, 107 bthh_report_type_t r_type, uint16_t size, 108 uint8_t* report); 109 extern void btif_hh_service_registration(bool enable); 110 111 #endif 112
