/* * This file is part of the Trezor project, https://trezor.io/ * * Copyright (C) 2017 Saleem Rashid <trezor@saleemrashid.com> * * This library is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This library 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library. If not, see <http://www.gnu.org/licenses/>. */ #include "buttons.h" #include <SDL2/SDL.h> uint16_t buttonRead(void) { uint16_t state = 0; const uint8_t *scancodes = SDL_GetKeyboardState(NULL); if (scancodes[SDL_SCANCODE_LEFT]) { state |= BTN_PIN_NO; } if (scancodes[SDL_SCANCODE_RIGHT]) { state |= BTN_PIN_YES; } return ~state; }