mirror of
https://github.com/raphnet/gc_n64_usb-v3
synced 2024-11-16 06:05:00 -05:00
105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/* gc_n64_usb : Gamecube or N64 controller to USB firmware
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Copyright (C) 2007-2016 Raphael Assenat <raph@raphnet.net>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <avr/pgmspace.h>
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#include "mappings.h"
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#include "gamepads.h"
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#include "usbpad.h"
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/* Default N64 and Gamecube mappings meant to work together
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* i.e. Controllers should be mostly interchangeable
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*
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* - Main buttons first
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* - Common buttons at the same place
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* - Similar layout for GC Y/X and N64 C-Left and C-Down
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*/
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const static struct mapping map_gc_default[] PROGMEM = {
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{ GC_BTN_A, USB_BTN(0) },
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{ GC_BTN_B, USB_BTN(1) },
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{ GC_BTN_Z, USB_BTN(2) },
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{ GC_BTN_START, USB_BTN(3) },
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{ GC_BTN_L, USB_BTN(4) },
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{ GC_BTN_R, USB_BTN(5) },
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{ GC_BTN_Y, USB_BTN(8) }, // N64 C-Left
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{ GC_BTN_X, USB_BTN(7) }, // N64 C-Down
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{ GC_BTN_DPAD_UP, USB_BTN(10) },
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{ GC_BTN_DPAD_DOWN, USB_BTN(11) },
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{ GC_BTN_DPAD_LEFT, USB_BTN(12) },
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{ GC_BTN_DPAD_RIGHT, USB_BTN(13) },
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{ } /* terminator */
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};
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const static struct mapping map_n64_default[] PROGMEM = {
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{ N64_BTN_A, USB_BTN(0) },
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{ N64_BTN_B, USB_BTN(1) },
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{ N64_BTN_Z, USB_BTN(2) },
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{ N64_BTN_START, USB_BTN(3) },
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{ N64_BTN_L, USB_BTN(4) },
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{ N64_BTN_R, USB_BTN(5) },
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{ N64_BTN_C_UP, USB_BTN(6) },
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{ N64_BTN_C_DOWN, USB_BTN(7) }, // GC X
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{ N64_BTN_C_LEFT, USB_BTN(8) }, // GC_Y
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{ N64_BTN_C_RIGHT, USB_BTN(9) },
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{ N64_BTN_DPAD_UP, USB_BTN(10) },
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{ N64_BTN_DPAD_DOWN, USB_BTN(11) },
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{ N64_BTN_DPAD_LEFT, USB_BTN(12) },
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{ N64_BTN_DPAD_RIGHT, USB_BTN(13) },
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{ } /* terminator */
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};
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static uint16_t domap(const struct mapping *map, uint16_t input)
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{
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const struct mapping *cur = map;
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uint16_t out = 0;
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uint16_t ctl_btn, usb_btn;
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while (1) {
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ctl_btn = pgm_read_word(&cur->ctl_btn);
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usb_btn = pgm_read_word(&cur->usb_btn);
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if (!ctl_btn || !usb_btn)
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break;
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if (input & ctl_btn) {
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out |= usb_btn;
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}
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cur++;
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}
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return out;
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}
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uint16_t mappings_do(uint8_t mapping_id, uint16_t input)
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{
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switch(mapping_id) {
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case MAPPING_GAMECUBE_DEFAULT:
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return domap(map_gc_default, input);
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case MAPPING_N64_DEFAULT:
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return domap(map_n64_default, input);
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}
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return 0;
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}
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