mirror of
https://github.com/libretro/RetroArch.git
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108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2013-2014 - Jason Fetters
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* Copyright (C) 2011-2017 - Daniel De Matteis
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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 <stdlib.h>
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#include "../input_defines.h"
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#include "../input_driver.h"
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typedef struct null_hid
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{
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void *empty;
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} null_hid_t;
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static bool null_hid_joypad_query(void *data, unsigned pad)
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{
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return pad < MAX_USERS;
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}
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static const char *null_hid_joypad_name(void *data, unsigned pad)
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{
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/* TODO/FIXME - implement properly */
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if (pad >= MAX_USERS)
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return NULL;
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return NULL;
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}
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static void null_hid_joypad_get_buttons(void *data, unsigned port, retro_bits_t *state)
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{
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(void)data;
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(void)port;
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RARCH_INPUT_STATE_CLEAR_PTR(state);
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}
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static bool null_hid_joypad_button(void *data, unsigned port, uint16_t joykey)
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{
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(void)data;
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(void)port;
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(void)joykey;
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return false;
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}
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static bool null_hid_joypad_rumble(void *data, unsigned pad,
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enum retro_rumble_effect effect, uint16_t strength)
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{
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(void)data;
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(void)pad;
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(void)effect;
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(void)strength;
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return false;
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}
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static int16_t null_hid_joypad_axis(void *data, unsigned port, uint32_t joyaxis)
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{
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(void)data;
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(void)port;
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(void)joyaxis;
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return 0;
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}
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static void *null_hid_init(void)
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{
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return (null_hid_t*)calloc(1, sizeof(null_hid_t));
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}
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static void null_hid_free(void *data)
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{
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null_hid_t *hid_null = (null_hid_t*)data;
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if (hid_null)
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free(hid_null);
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}
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static void null_hid_poll(void *data)
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{
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(void)data;
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}
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hid_driver_t null_hid = {
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null_hid_init,
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null_hid_joypad_query,
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null_hid_free,
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null_hid_joypad_button,
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null_hid_joypad_get_buttons,
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null_hid_joypad_axis,
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null_hid_poll,
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null_hid_joypad_rumble,
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null_hid_joypad_name,
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"null",
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};
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