145 lines
3.4 KiB
C
145 lines
3.4 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2013 - Jason Fetters
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <assert.h>
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#include <dlfcn.h>
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#include <pthread.h>
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#include <CoreFoundation/CFRunLoop.h>
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#define BUILDING_BTDYNAMIC
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#include "btdynamic.h"
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#define GRAB(A) {#A, (void**)&A##_ptr}
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static struct
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{
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const char* name;
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void** target;
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} grabbers[] =
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{
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GRAB(bt_open),
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GRAB(bt_flip_addr),
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GRAB(bt_register_packet_handler),
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GRAB(bt_send_cmd),
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GRAB(bt_send_l2cap),
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GRAB(run_loop_init),
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GRAB(run_loop_execute),
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GRAB(btstack_get_system_bluetooth_enabled),
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GRAB(btstack_set_power_mode),
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GRAB(btstack_set_system_bluetooth_enabled),
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GRAB(hci_delete_stored_link_key),
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GRAB(hci_inquiry),
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GRAB(hci_inquiry_cancel),
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GRAB(hci_pin_code_request_reply),
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GRAB(hci_remote_name_request),
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GRAB(hci_remote_name_request_cancel),
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GRAB(hci_write_authentication_enable),
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GRAB(hci_write_inquiry_mode),
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GRAB(l2cap_create_channel),
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GRAB(l2cap_register_service),
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GRAB(l2cap_accept_connection),
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{0, 0}
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};
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extern void btstack_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
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static pthread_t btstack_thread;
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static bool btstack_tested;
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static bool btstack_loaded;
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// TODO: This may need to be synchronized
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static volatile bool btstack_poweron;
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static void* btstack_thread_function(void* data)
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{
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run_loop_init_ptr(RUN_LOOP_COCOA);
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bt_register_packet_handler_ptr(btstack_packet_handler);
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if (bt_open_ptr())
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return 0;
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while (1)
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{
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static bool poweron = false;
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CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1, false);
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if (poweron != btstack_poweron)
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{
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poweron = btstack_poweron;
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bt_send_cmd_ptr(btstack_set_power_mode_ptr, poweron ? HCI_POWER_ON : HCI_POWER_OFF);
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}
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}
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return 0;
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}
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bool btstack_load()
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{
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assert(sizeof(void**) == sizeof(void(*)()));
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if (btstack_tested)
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return btstack_loaded;
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btstack_tested = true;
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btstack_loaded = false;
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void* btstack = dlopen("/usr/lib/libBTstack.dylib", RTLD_LAZY);
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if (!btstack)
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return false;
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for (int i = 0; grabbers[i].name; i ++)
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{
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*grabbers[i].target = dlsym(btstack, grabbers[i].name);
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if (!*grabbers[i].target)
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{
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dlclose(btstack);
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return false;
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}
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}
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btstack_loaded = true;
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return true;
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}
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void btstack_start()
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{
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static bool thread_started = false;
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if (!thread_started)
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pthread_create(&btstack_thread, NULL, btstack_thread_function, 0);
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thread_started = true;
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btstack_poweron = true;
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}
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void btstack_stop()
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{
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btstack_poweron = false;
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}
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bool btstack_is_loaded()
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{
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return btstack_load();
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}
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bool btstack_is_running()
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{
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return btstack_poweron;
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}
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