| /****************************************************************************** |
| * |
| * Copyright (C) 2009-2012 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 BTIF_HH_H |
| #define BTIF_HH_H |
| |
| #include <hardware/bluetooth.h> |
| #include <hardware/bt_hh.h> |
| #include <pthread.h> |
| #include <stdint.h> |
| #include "bta_hh_api.h" |
| #include "btu.h" |
| |
| /******************************************************************************* |
| * Constants & Macros |
| ******************************************************************************/ |
| |
| #define BTIF_HH_MAX_HID 8 |
| #define BTIF_HH_MAX_ADDED_DEV 32 |
| |
| #define BTIF_HH_MAX_KEYSTATES 3 |
| #define BTIF_HH_KEYSTATE_MASK_NUMLOCK 0x01 |
| #define BTIF_HH_KEYSTATE_MASK_CAPSLOCK 0x02 |
| #define BTIF_HH_KEYSTATE_MASK_SCROLLLOCK 0x04 |
| |
| #define BTIF_HH_MAX_POLLING_ATTEMPTS 10 |
| #define BTIF_HH_POLLING_SLEEP_DURATION_US 5000 |
| |
| /******************************************************************************* |
| * Type definitions and return values |
| ******************************************************************************/ |
| |
| typedef enum { |
| BTIF_HH_DISABLED = 0, |
| BTIF_HH_ENABLED, |
| BTIF_HH_DISABLING, |
| BTIF_HH_DEV_UNKNOWN, |
| BTIF_HH_DEV_CONNECTING, |
| BTIF_HH_DEV_CONNECTED, |
| BTIF_HH_DEV_DISCONNECTED |
| } BTIF_HH_STATUS; |
| |
| typedef struct { |
| bthh_connection_state_t dev_status; |
| uint8_t dev_handle; |
| bt_bdaddr_t bd_addr; |
| tBTA_HH_ATTR_MASK attr_mask; |
| uint8_t sub_class; |
| uint8_t app_id; |
| int fd; |
| bool ready_for_data; |
| pthread_t hh_poll_thread_id; |
| uint8_t hh_keep_polling; |
| alarm_t* vup_timer; |
| bool local_vup; // Indicated locally initiated VUP |
| } btif_hh_device_t; |
| |
| /* Control block to maintain properties of devices */ |
| typedef struct { |
| uint8_t dev_handle; |
| bt_bdaddr_t bd_addr; |
| tBTA_HH_ATTR_MASK attr_mask; |
| } btif_hh_added_device_t; |
| |
| /** |
| * BTIF-HH control block to maintain added devices and currently |
| * connected hid devices |
| */ |
| typedef struct { |
| BTIF_HH_STATUS status; |
| btif_hh_device_t devices[BTIF_HH_MAX_HID]; |
| uint32_t device_num; |
| btif_hh_added_device_t added_devices[BTIF_HH_MAX_ADDED_DEV]; |
| btif_hh_device_t* p_curr_dev; |
| } btif_hh_cb_t; |
| |
| /******************************************************************************* |
| * Functions |
| ******************************************************************************/ |
| |
| extern btif_hh_cb_t btif_hh_cb; |
| |
| extern btif_hh_device_t* btif_hh_find_connected_dev_by_handle(uint8_t handle); |
| extern void btif_hh_remove_device(bt_bdaddr_t bd_addr); |
| bool btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask); |
| extern bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t* bd_addr); |
| extern void btif_hh_disconnect(bt_bdaddr_t* bd_addr); |
| extern void btif_hh_setreport(btif_hh_device_t* p_dev, |
| bthh_report_type_t r_type, uint16_t size, |
| uint8_t* report); |
| |
| bool btif_hh_add_added_dev(bt_bdaddr_t bd_addr, tBTA_HH_ATTR_MASK attr_mask); |
| |
| #endif |