trezor-firmware/core/embed/trezorhal/button.h

/*
 * 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/>.
 */

#ifndef TREZORHAL_BUTTON_H
#define TREZORHAL_BUTTON_H

#include <trezor_types.h>

#define BTN_EVT_DOWN (1U << 24)
#define BTN_EVT_UP (1U << 25)

typedef enum {
  BTN_LEFT = 0,
  BTN_RIGHT = 1,
  BTN_POWER = 2,
} button_t;

void button_init(void);
uint32_t button_read(void);

bool button_state(button_t button);

#endif