1. 根目录:
2. include
3. linux
4. iio
5. types.h

/* industrial I/O data types needed both in and out of kernel
 *
 * Copyright (c) 2008 Jonathan Cameron
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */

#ifndef _IIO_TYPES_H_
#define _IIO_TYPES_H_

#include <uapi/linux/iio/types.h>

enum iio_event_info {
	IIO_EV_INFO_ENABLE,
	IIO_EV_INFO_VALUE,
	IIO_EV_INFO_HYSTERESIS,
	IIO_EV_INFO_PERIOD,
};

#define IIO_VAL_INT 1
#define IIO_VAL_INT_PLUS_MICRO 2
#define IIO_VAL_INT_PLUS_NANO 3
#define IIO_VAL_INT_PLUS_MICRO_DB 4
#define IIO_VAL_INT_MULTIPLE 5
#define IIO_VAL_FRACTIONAL 10
#define IIO_VAL_FRACTIONAL_LOG2 11

#endif /* _IIO_TYPES_H_ */