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/* 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;
}