OpenRTX/platform/drivers/keyboard/cap1206.h

50 lines
1.9 KiB
C

/***************************************************************************
* Copyright (C) 2024 - 2025 by Morgan Diepart ON4MOD *
* *
* 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 CAP1206_H
#define CAP1206_H
#include "peripherals/i2c.h"
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Initialize the CAP1206 device.
*
* @param i2c: driver managing the I2C bus the chip is connected to.
* @return zero on success, a negative error code otherwise.
*/
int cap1206_init(const struct i2cDevice *i2c);
/**
* Read the status of the touch keys connected to the CAP1206 device.
*
* @param i2c: driver managing the I2C bus the chip is connected to.
* @return a bitmap representing the status of the keys or a negative error code.
*/
int cap1206_readkeys(const struct i2cDevice *i2c);
#ifdef __cplusplus
}
#endif
#endif /* CAP1206_H */