2013-07-06 20:43:04 -04:00

136 lines
3.5 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2013 - Jason Fetters
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <assert.h>
#include <dlfcn.h>
#include <CoreFoundation/CFRunLoop.h>
#include "../../../RetroArch/rarch_wrapper.h"
#define BUILDING_BTDYNAMIC
#include "btdynamic.h"
#define GRAB(A) {#A, (void**)&A##_ptr}
static struct
{
const char* name;
void** target;
} grabbers[] =
{
GRAB(bt_open),
GRAB(bt_flip_addr),
GRAB(bd_addr_to_str),
GRAB(bt_register_packet_handler),
GRAB(bt_send_cmd),
GRAB(bt_send_l2cap),
GRAB(run_loop_init),
GRAB(run_loop_execute),
GRAB(btstack_set_power_mode),
GRAB(hci_delete_stored_link_key),
GRAB(hci_disconnect),
GRAB(hci_read_bd_addr),
GRAB(hci_inquiry),
GRAB(hci_inquiry_cancel),
GRAB(hci_pin_code_request_reply),
GRAB(hci_pin_code_request_negative_reply),
GRAB(hci_remote_name_request),
GRAB(hci_remote_name_request_cancel),
GRAB(hci_write_authentication_enable),
GRAB(hci_write_inquiry_mode),
GRAB(l2cap_create_channel),
GRAB(l2cap_register_service),
GRAB(l2cap_accept_connection),
GRAB(l2cap_decline_connection),
{0, 0}
};
extern void btpad_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
static bool btstack_tested;
static bool btstack_loaded;
static bool btstack_open;
static bool btstack_poweron;
bool btstack_try_load()
{
assert(sizeof(void**) == sizeof(void(*)()));
if (btstack_tested)
return btstack_loaded;
ios_add_log_message("BTstack: Attempting to load");
btstack_tested = true;
btstack_loaded = false;
void* btstack = dlopen("/usr/lib/libBTstack.dylib", RTLD_LAZY);
if (!btstack)
{
ios_add_log_message("BTstack: /usr/lib/libBTstack.dylib not loadable");
ios_add_log_message("BTstack: Not loaded");
return false;
}
for (int i = 0; grabbers[i].name; i ++)
{
*grabbers[i].target = dlsym(btstack, grabbers[i].name);
if (!*grabbers[i].target)
{
ios_add_log_message("BTstack: Symbol %s not found in /usr/lib/libBTstack.dylib", grabbers[i].name);
ios_add_log_message("BTstack: Not loaded");
dlclose(btstack);
return false;
}
}
run_loop_init_ptr(RUN_LOOP_COCOA);
bt_register_packet_handler_ptr(btpad_packet_handler);
ios_add_log_message("BTstack: Loaded");
btstack_loaded = true;
return true;
}
void btstack_set_poweron(bool on)
{
if (!btstack_try_load())
return;
if (!btstack_open && bt_open_ptr())
{
ios_add_log_message("BTstack: bt_open failed");
btstack_loaded = false;
return;
}
btstack_open = true;
if (on != btstack_poweron)
{
btstack_poweron = on;
ios_add_log_message("BTstack: Turning %s", on ? "on" : "off");
bt_send_cmd_ptr(btstack_set_power_mode_ptr, on ? HCI_POWER_ON : HCI_POWER_OFF);
}
}
bool btstack_is_running()
{
return btstack_poweron;
}