136 lines
3.2 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2014-2017 - Ali Bouhlel
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* 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 "../../include/wiiu/input.h"
/* TODO/FIXME - static global variables */
static bool hidpad_ready = false;
static bool init_hid_driver(void)
{
return hid_init(&hid_instance, &wiiu_hid, &hidpad_driver, MAX_USERS);
}
static void hidpad_poll(void)
{
if (hidpad_ready)
HID_POLL();
}
static void *hidpad_init(void *data)
{
if(!init_hid_driver())
{
RARCH_ERR("Failed to initialize HID driver.\n");
return NULL;
}
hidpad_poll();
hidpad_ready = true;
return (void*)-1;
}
static bool hidpad_query_pad(unsigned port)
{
return hidpad_ready && port < MAX_USERS;
}
static void hidpad_destroy(void)
{
hidpad_ready = false;
hid_deinit(&hid_instance);
}
static int16_t hidpad_button(unsigned port, uint16_t joykey)
{
if (!hidpad_query_pad(port))
return 0;
return (HID_BUTTON(port, joykey));
}
static void hidpad_get_buttons(unsigned port, input_bits_t *state)
{
if (!hidpad_query_pad(port))
BIT256_CLEAR_ALL_PTR(state);
HID_GET_BUTTONS(port, state);
}
static int16_t hidpad_axis(unsigned port, uint32_t axis)
{
if (!hidpad_query_pad(port))
return 0;
return HID_AXIS(port, axis);
}
static int16_t hidpad_state(
rarch_joypad_info_t *joypad_info,
const struct retro_keybind *binds,
unsigned port)
{
unsigned i;
int16_t ret = 0;
uint16_t port_idx = joypad_info->joy_idx;
if (!hidpad_query_pad(port_idx))
return 0;
for (i = 0; i < RARCH_FIRST_CUSTOM_BIND; i++)
{
/* Auto-binds are per joypad, not per user. */
const uint64_t joykey = (binds[i].joykey != NO_BTN)
? binds[i].joykey : joypad_info->auto_binds[i].joykey;
const uint32_t joyaxis = (binds[i].joyaxis != AXIS_NONE)
? binds[i].joyaxis : joypad_info->auto_binds[i].joyaxis;
if (
(uint16_t)joykey != NO_BTN
&& HID_BUTTON(port_idx, (uint16_t)joykey)
)
ret |= ( 1 << i);
else if (joyaxis != AXIS_NONE &&
((float)abs(HID_AXIS(port_idx, joyaxis))
/ 0x8000) > joypad_info->axis_threshold)
ret |= (1 << i);
}
return ret;
}
static const char *hidpad_name(unsigned port)
{
if (!hidpad_query_pad(port))
return "N/A";
return HID_PAD_NAME(port);
}
input_device_driver_t hidpad_driver =
{
hidpad_init,
hidpad_query_pad,
hidpad_destroy,
hidpad_button,
hidpad_state,
hidpad_get_buttons,
hidpad_axis,
hidpad_poll,
NULL,
hidpad_name,
"hid"
};