/* * This file is part of the Trezor project, https://trezor.io/ * * Copyright (c) SatoshiLabs * * 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 STM32_HAL_H #include "touch.h" #if TREZOR_MODEL == T #include "touch_T.h" #elif TREZOR_MODEL == 1 #include "touch_1.h" #else #error Unknown Trezor model #endif uint32_t touch_click(void) { uint32_t r = 0; // flush touch events if any while (touch_read()) { } // wait for TOUCH_START while ((touch_read() & TOUCH_START) == 0) { } // wait for TOUCH_END while (((r = touch_read()) & TOUCH_END) == 0) { } // flush touch events if any while (touch_read()) { } // return last touch coordinate return r; }