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trezor-firmware/legacy/buttons.h
2019-06-17 20:28:29 +02:00

51 lines
1.2 KiB
C

/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.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/>.
*/
#ifndef __BUTTONS_H__
#define __BUTTONS_H__
#include <libopencm3/stm32/gpio.h>
#include <stdbool.h>
struct buttonState {
volatile bool YesUp;
volatile int YesDown;
volatile bool NoUp;
volatile int NoDown;
};
extern struct buttonState button;
uint16_t buttonRead(void);
void buttonUpdate(void);
#ifndef BTN_PORT
#define BTN_PORT GPIOC
#endif
#ifndef BTN_PIN_YES
#define BTN_PIN_YES GPIO2
#endif
#ifndef BTN_PIN_NO
#define BTN_PIN_NO GPIO5
#endif
#endif