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 #include "osi/include/fixed_queue.h" 29 30 /******************************************************************************* 31 * Constants & Macros 32 ******************************************************************************/ 33 34 #define BTIF_HH_MAX_HID 8 35 #define BTIF_HH_MAX_ADDED_DEV 32 36 37 #define BTIF_HH_MAX_KEYSTATES 3 38 #define BTIF_HH_KEYSTATE_MASK_NUMLOCK 0x01 39 #define BTIF_HH_KEYSTATE_MASK_CAPSLOCK 0x02 40 #define BTIF_HH_KEYSTATE_MASK_SCROLLLOCK 0x04 41 42 #define BTIF_HH_MAX_POLLING_ATTEMPTS 10 43 #define BTIF_HH_POLLING_SLEEP_DURATION_US 5000 44 45 /******************************************************************************* 46 * Type definitions and return values 47 ******************************************************************************/ 48 49 typedef enum { 50 BTIF_HH_DISABLED = 0, 51 BTIF_HH_ENABLED, 52 BTIF_HH_DISABLING, 53 BTIF_HH_DEV_UNKNOWN, 54 BTIF_HH_DEV_CONNECTING, 55 BTIF_HH_DEV_CONNECTED, 56 BTIF_HH_DEV_DISCONNECTED 57 } BTIF_HH_STATUS; 58 59 typedef struct { 60 bthh_connection_state_t dev_status; 61 uint8_t dev_handle; 62 RawAddress bd_addr; 63 tBTA_HH_ATTR_MASK attr_mask; 64 uint8_t sub_class; 65 uint8_t app_id; 66 int fd; 67 bool ready_for_data; 68 pthread_t hh_poll_thread_id; 69 uint8_t hh_keep_polling; 70 alarm_t* vup_timer; 71 fixed_queue_t* get_rpt_id_queue; 72 uint8_t get_rpt_snt; 73 bool local_vup; // Indicated locally initiated VUP 74 } btif_hh_device_t; 75 76 /* Control block to maintain properties of devices */ 77 typedef struct { 78 uint8_t dev_handle; 79 RawAddress bd_addr; 80 tBTA_HH_ATTR_MASK attr_mask; 81 } btif_hh_added_device_t; 82 83 /** 84 * BTIF-HH control block to maintain added devices and currently 85 * connected hid devices 86 */ 87 typedef struct { 88 BTIF_HH_STATUS status; 89 btif_hh_device_t devices[BTIF_HH_MAX_HID]; 90 uint32_t device_num; 91 btif_hh_added_device_t added_devices[BTIF_HH_MAX_ADDED_DEV]; 92 btif_hh_device_t* p_curr_dev; 93 bool service_dereg_active; 94 RawAddress pending_conn_address; 95 } btif_hh_cb_t; 96 97 /******************************************************************************* 98 * Functions 99 ******************************************************************************/ 100 101 extern btif_hh_cb_t btif_hh_cb; 102 103 extern btif_hh_device_t* btif_hh_find_connected_dev_by_handle(uint8_t handle); 104 extern void btif_hh_remove_device(RawAddress bd_addr); 105 extern bool btif_hh_add_added_dev(const RawAddress& bda, 106 tBTA_HH_ATTR_MASK attr_mask); 107 extern bt_status_t btif_hh_virtual_unplug(const RawAddress* bd_addr); 108 extern void btif_hh_disconnect(RawAddress* bd_addr); 109 extern void btif_hh_setreport(btif_hh_device_t* p_dev, 110 bthh_report_type_t r_type, uint16_t size, 111 uint8_t* report); 112 extern void btif_hh_getreport(btif_hh_device_t* p_dev, 113 bthh_report_type_t r_type, uint8_t reportId, 114 uint16_t bufferSize); 115 extern void btif_hh_service_registration(bool enable); 116 117 #endif 118