mirror of
https://github.com/raphnet/gc_n64_usb-v3
synced 2024-12-21 23:08:53 -05:00
105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/* gc_n64_usb : Gamecube or N64 controller to USB firmware
|
|
Copyright (C) 2007-2015 Raphael Assenat <raph@raphnet.net>
|
|
|
|
This program 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 Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <avr/pgmspace.h>
|
|
#include "mappings.h"
|
|
#include "gamepads.h"
|
|
#include "usbpad.h"
|
|
|
|
/* Default N64 and Gamecube mappings meant to work together
|
|
* i.e. Controllers should be mostly interchangeable
|
|
*
|
|
* - Main buttons first
|
|
* - Common buttons at the same place
|
|
* - Similar layout for GC Y/X and N64 C-Left and C-Down
|
|
*/
|
|
|
|
const static struct mapping map_gc_default[] PROGMEM = {
|
|
{ GC_BTN_A, USB_BTN(0) },
|
|
{ GC_BTN_B, USB_BTN(1) },
|
|
{ GC_BTN_Z, USB_BTN(2) },
|
|
{ GC_BTN_START, USB_BTN(3) },
|
|
|
|
{ GC_BTN_L, USB_BTN(4) },
|
|
{ GC_BTN_R, USB_BTN(5) },
|
|
|
|
{ GC_BTN_Y, USB_BTN(8) }, // N64 C-Left
|
|
{ GC_BTN_X, USB_BTN(7) }, // N64 C-Down
|
|
|
|
{ GC_BTN_DPAD_UP, USB_BTN(10) },
|
|
{ GC_BTN_DPAD_DOWN, USB_BTN(11) },
|
|
{ GC_BTN_DPAD_LEFT, USB_BTN(12) },
|
|
{ GC_BTN_DPAD_RIGHT, USB_BTN(13) },
|
|
|
|
{ } /* terminator */
|
|
};
|
|
|
|
const static struct mapping map_n64_default[] PROGMEM = {
|
|
{ N64_BTN_A, USB_BTN(0) },
|
|
{ N64_BTN_B, USB_BTN(1) },
|
|
{ N64_BTN_Z, USB_BTN(2) },
|
|
{ N64_BTN_START, USB_BTN(3) },
|
|
|
|
{ N64_BTN_L, USB_BTN(4) },
|
|
{ N64_BTN_R, USB_BTN(5) },
|
|
{ N64_BTN_C_UP, USB_BTN(6) },
|
|
{ N64_BTN_C_DOWN, USB_BTN(7) }, // GC X
|
|
|
|
{ N64_BTN_C_LEFT, USB_BTN(8) }, // GC_Y
|
|
{ N64_BTN_C_RIGHT, USB_BTN(9) },
|
|
|
|
{ N64_BTN_DPAD_UP, USB_BTN(10) },
|
|
{ N64_BTN_DPAD_DOWN, USB_BTN(11) },
|
|
{ N64_BTN_DPAD_LEFT, USB_BTN(12) },
|
|
{ N64_BTN_DPAD_RIGHT, USB_BTN(13) },
|
|
|
|
{ } /* terminator */
|
|
};
|
|
|
|
static uint16_t domap(const struct mapping *map, uint16_t input)
|
|
{
|
|
const struct mapping *cur = map;
|
|
uint16_t out = 0;
|
|
uint16_t ctl_btn, usb_btn;
|
|
|
|
while (1) {
|
|
ctl_btn = pgm_read_word(&cur->ctl_btn);
|
|
usb_btn = pgm_read_word(&cur->usb_btn);
|
|
|
|
if (!ctl_btn || !usb_btn)
|
|
break;
|
|
|
|
if (input & ctl_btn) {
|
|
out |= usb_btn;
|
|
}
|
|
cur++;
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
uint16_t mappings_do(uint8_t mapping_id, uint16_t input)
|
|
{
|
|
switch(mapping_id) {
|
|
case MAPPING_GAMECUBE_DEFAULT:
|
|
return domap(map_gc_default, input);
|
|
case MAPPING_N64_DEFAULT:
|
|
return domap(map_n64_default, input);
|
|
}
|
|
|
|
return 0;
|
|
}
|