RetroArch/input/apple_joypad_wii.c

126 lines
3.4 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2013-2014 - 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 <string.h>
#include <stdlib.h>
#include "../boolean.h"
#include "wiimote.h"
static void* hidpad_wii_connect(void *data, uint32_t slot)
{
struct pad_connection *connection = (struct pad_connection*)data;
struct wiimote_t *device = (struct wiimote_t*)
calloc(1, sizeof(struct wiimote_t));
if (!device || !connection)
return NULL;
device->connection = connection;
device->unid = slot;
device->state = WIIMOTE_STATE_CONNECTED;
device->exp.type = EXP_NONE;
wiimote_handshake(device, -1, NULL, -1);
return device;
}
static void hidpad_wii_disconnect(void *data)
{
struct wiimote_t* device = (struct wiimote_t*)data;
if (device)
free(device);
}
static int16_t hidpad_wii_get_axis(void *data, unsigned axis)
{
struct wiimote_t* device = (struct wiimote_t*)data;
if (device && device->exp.type == EXP_CLASSIC)
{
switch (axis)
{
case 0:
return device->exp.cc.classic.ljs.x.value * 0x7FFF;
case 1:
return device->exp.cc.classic.ljs.y.value * 0x7FFF;
case 2:
return device->exp.cc.classic.rjs.x.value * 0x7FFF;
case 3:
return device->exp.cc.classic.rjs.y.value * 0x7FFF;
}
}
return 0;
}
static void hidpad_wii_packet_handler(void *data,
uint8_t *packet, uint16_t size)
{
int i;
apple_input_data_t *apple = (apple_input_data_t*)driver.input_data;
struct wiimote_t* device = (struct wiimote_t*)data;
byte* msg = packet + 2;
if (!device || !apple)
return;
switch (packet[1])
{
case WM_RPT_BTN:
wiimote_pressed_buttons(device, msg);
break;
case WM_RPT_READ:
wiimote_pressed_buttons(device, msg);
wiimote_handshake(device, WM_RPT_READ, msg + 5,
((msg[2] & 0xF0) >> 4) + 1);
break;
case WM_RPT_CTRL_STATUS:
wiimote_pressed_buttons(device, msg);
wiimote_handshake(device,WM_RPT_CTRL_STATUS,msg,-1);
break;
case WM_RPT_BTN_EXP:
wiimote_pressed_buttons(device, msg);
wiimote_handle_expansion(device, msg+2);
break;
}
apple->buttons[device->unid] = device->btns |
(device->exp.cc.classic.btns << 16);
for (i = 0; i < 4; i++)
apple->axes[device->unid][i] = hidpad_wii_get_axis(device, i);
}
static void hidpad_wii_set_rumble(void *data,
enum retro_rumble_effect effect, uint16_t strength)
{
/* TODO */
(void)data;
(void)effect;
(void)strength;
}
struct pad_connection_interface apple_pad_wii =
{
&hidpad_wii_connect,
&hidpad_wii_disconnect,
&hidpad_wii_packet_handler,
&hidpad_wii_set_rumble
};