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141 lines
4.5 KiB
141 lines
4.5 KiB
/******************************************************************************
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*
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* Copyright 2009-2012 Broadcom Corporation
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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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******************************************************************************/
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#ifndef BTIF_HH_H
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#define BTIF_HH_H
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#include <hardware/bluetooth.h>
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#include <hardware/bt_hh.h>
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#include <pthread.h>
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#include <stdint.h>
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#include "bta/include/bta_hh_api.h"
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#include "btu.h"
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#include "osi/include/fixed_queue.h"
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/*******************************************************************************
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* Constants & Macros
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******************************************************************************/
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#define BTIF_HH_MAX_HID 8
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#define BTIF_HH_MAX_ADDED_DEV 32
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#define BTIF_HH_MAX_KEYSTATES 3
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#define BTIF_HH_KEYSTATE_MASK_NUMLOCK 0x01
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#define BTIF_HH_KEYSTATE_MASK_CAPSLOCK 0x02
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#define BTIF_HH_KEYSTATE_MASK_SCROLLLOCK 0x04
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#define BTIF_HH_MAX_POLLING_ATTEMPTS 10
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#define BTIF_HH_POLLING_SLEEP_DURATION_US 5000
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/*******************************************************************************
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* Type definitions and return values
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******************************************************************************/
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typedef enum : unsigned {
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BTIF_HH_DISABLED = 0,
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BTIF_HH_ENABLED,
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BTIF_HH_DISABLING,
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BTIF_HH_DEV_UNKNOWN,
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BTIF_HH_DEV_CONNECTING,
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BTIF_HH_DEV_CONNECTED,
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BTIF_HH_DEV_DISCONNECTED
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} BTIF_HH_STATUS;
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#define CASE_RETURN_TEXT(code) \
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case code: \
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return #code
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inline std::string btif_hh_status_text(const BTIF_HH_STATUS& status) {
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switch (status) {
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CASE_RETURN_TEXT(BTIF_HH_DISABLED);
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CASE_RETURN_TEXT(BTIF_HH_ENABLED);
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CASE_RETURN_TEXT(BTIF_HH_DISABLING);
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CASE_RETURN_TEXT(BTIF_HH_DEV_UNKNOWN);
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CASE_RETURN_TEXT(BTIF_HH_DEV_CONNECTING);
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CASE_RETURN_TEXT(BTIF_HH_DEV_CONNECTED);
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CASE_RETURN_TEXT(BTIF_HH_DEV_DISCONNECTED);
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default:
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return std::string("UNKNOWN[%hhu]", status);
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}
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}
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#undef CASE_RETURN_TEXT
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// Shared with uhid polling thread
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typedef struct {
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bthh_connection_state_t dev_status;
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uint8_t dev_handle;
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RawAddress bd_addr;
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tBTA_HH_ATTR_MASK attr_mask;
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uint8_t sub_class;
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uint8_t app_id;
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int fd;
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bool ready_for_data;
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pthread_t hh_poll_thread_id;
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pid_t pid{-1};
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uint8_t hh_keep_polling;
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alarm_t* vup_timer;
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fixed_queue_t* get_rpt_id_queue;
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uint8_t get_rpt_snt;
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bool local_vup; // Indicated locally initiated VUP
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} btif_hh_device_t;
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/* Control block to maintain properties of devices */
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typedef struct {
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uint8_t dev_handle;
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RawAddress bd_addr;
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tBTA_HH_ATTR_MASK attr_mask;
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} btif_hh_added_device_t;
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/**
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* BTIF-HH control block to maintain added devices and currently
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* connected hid devices
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*/
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typedef struct {
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BTIF_HH_STATUS status;
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btif_hh_device_t devices[BTIF_HH_MAX_HID];
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uint32_t device_num;
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btif_hh_added_device_t added_devices[BTIF_HH_MAX_ADDED_DEV];
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btif_hh_device_t* p_curr_dev;
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bool service_dereg_active;
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RawAddress pending_conn_address;
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} btif_hh_cb_t;
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/*******************************************************************************
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* Functions
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******************************************************************************/
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extern btif_hh_cb_t btif_hh_cb;
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extern btif_hh_device_t* btif_hh_find_connected_dev_by_handle(uint8_t handle);
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extern void btif_hh_remove_device(RawAddress bd_addr);
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extern bool btif_hh_add_added_dev(const RawAddress& bda,
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tBTA_HH_ATTR_MASK attr_mask);
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extern bt_status_t btif_hh_virtual_unplug(const RawAddress* bd_addr);
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extern void btif_hh_disconnect(RawAddress* bd_addr);
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extern void btif_hh_setreport(btif_hh_device_t* p_dev,
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bthh_report_type_t r_type, uint16_t size,
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uint8_t* report);
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extern void btif_hh_senddata(btif_hh_device_t* p_dev, uint16_t size,
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uint8_t* report);
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extern void btif_hh_getreport(btif_hh_device_t* p_dev,
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bthh_report_type_t r_type, uint8_t reportId,
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uint16_t bufferSize);
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extern void btif_hh_service_registration(bool enable);
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#endif
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