cregit-Linux how code gets into the kernel

Release 4.10 tools/iio/iio_utils.h

Directory: tools/iio
#ifndef _IIO_UTILS_H_

#define _IIO_UTILS_H_

/* IIO - useful set of util functionality
 * 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.

#include <stdint.h>

/* Made up value to limit allocation sizes */


#define FORMAT_SCAN_ELEMENTS_DIR "%s/scan_elements"

#define FORMAT_TYPE_FILE "%s_type"

#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))

extern const char *iio_dir;

 * struct iio_channel_info - information about a given channel
 * @name: channel name
 * @generic_name: general name for channel type
 * @scale: scale factor to be applied for conversion to si units
 * @offset: offset to be applied for conversion to si units
 * @index: the channel index in the buffer output
 * @bytes: number of bytes occupied in buffer output
 * @bits_used: number of valid bits of data
 * @shift: amount of bits to shift right data before applying bit mask
 * @mask: a bit mask for the raw output
 * @be: flag if data is big endian
 * @is_signed: is the raw value stored signed
 * @location: data offset for this channel inside the buffer (in bytes)

struct iio_channel_info {
char *name;
char *generic_name;
float scale;
float offset;
unsigned index;
unsigned bytes;
unsigned bits_used;
unsigned shift;
uint64_t mask;
unsigned be;
unsigned is_signed;
unsigned location;

static inline int iioutils_check_suffix(const char *str, const char *suffix) { return strlen(str) >= strlen(suffix) && strncmp(str+strlen(str)-strlen(suffix), suffix, strlen(suffix)) == 0; }


linus walleijlinus walleij52100.00%1100.00%

int iioutils_break_up_name(const char *full_name, char **generic_name); int iioutils_get_type(unsigned *is_signed, unsigned *bytes, unsigned *bits_used, unsigned *shift, uint64_t *mask, unsigned *be, const char *device_dir, const char *name, const char *generic_name); int iioutils_get_param_float(float *output, const char *param_name, const char *device_dir, const char *name, const char *generic_name); void bsort_channel_array_by_index(struct iio_channel_info *ci_array, int cnt); int build_channel_array(const char *device_dir, struct iio_channel_info **ci_array, int *counter); int find_type_by_name(const char *name, const char *type); int write_sysfs_int(const char *filename, const char *basedir, int val); int write_sysfs_int_and_verify(const char *filename, const char *basedir, int val); int write_sysfs_string_and_verify(const char *filename, const char *basedir, const char *val); int write_sysfs_string(const char *filename, const char *basedir, const char *val); int read_sysfs_posint(const char *filename, const char *basedir); int read_sysfs_float(const char *filename, const char *basedir, float *val); int read_sysfs_string(const char *filename, const char *basedir, char *str); #endif /* _IIO_UTILS_H_ */

Overall Contributors

jonathan cameronjonathan cameron21254.78%640.00%
roberta dobrescuroberta dobrescu7218.60%16.67%
linus walleijlinus walleij5213.44%16.67%
peter meerwaldpeter meerwald174.39%213.33%
hartmut knaackhartmut knaack153.88%213.33%
michael hennerichmichael hennerich112.84%16.67%
cristina opriceanacristina opriceana71.81%16.67%
manuel stahlmanuel stahl10.26%16.67%
Directory: tools/iio
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.