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Diffstat (limited to 'libsensors_iio/src/iio_utils.h')
-rw-r--r-- | libsensors_iio/src/iio_utils.h | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/libsensors_iio/src/iio_utils.h b/libsensors_iio/src/iio_utils.h deleted file mode 100644 index bb0d7c3..0000000 --- a/libsensors_iio/src/iio_utils.h +++ /dev/null @@ -1,146 +0,0 @@ -/* IIO - useful set of util functionality - * - * Copyright (c) 2008 Jonathan Cameron - * Modified by Denis Ciocca <denis.ciocca@st.com> - * - * 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_UTILS -#define IIO_UTILS - -#include <string.h> -#include <stdlib.h> -#include <ctype.h> -#include <stdio.h> -#include <stdint.h> -#include <dirent.h> -#include <errno.h> -#include <stdbool.h> - - -/* Made up value to limit allocation sizes */ -#define IIO_MAX_NAME_LENGTH (70) - -#define FORMAT_SCAN_ELEMENTS_DIR "%s/scan_elements" -#define FORMAT_TYPE_FILE "%s_type" - -#define IIO_DEFAULT_BUFFER_LEN (2) - -/** - * 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 - * @mask: a bit mask for the raw output - * @is_signed: is the raw value stored signed - * @enabled: is this channel enabled - **/ -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 enabled; - unsigned location; - bool isfloat; - bool multi_data; -}; - - -/** - * build_channel_array() - function to figure out what channels are present - * @device_dir: the IIO device directory in sysfs - * @ - **/ -int iio_utils_build_channel_array(const char *device_dir, - struct iio_channel_info **ci_array, int *counter, bool read_offset); - -/** - * find_type_by_name() - function to match top level types by name - * @name: top level type instance name - * @type: the type of top level instance being sort - * - * Typical types this is used for are device and trigger. - **/ -int find_type_by_name(char *name, const char *type); - -int write_sysfs_int(char *filename, char *basedir, int val); - -int write_sysfs_int_and_verify(char *filename, char *basedir, int val); - -int write_sysfs_ulong_and_verify(char *filename, char *basedir, unsigned long val); - -int write_sysfs_float(char *filename, char *basedir, float val); - -int write_sysfs_float_and_verify(char *filename, char *basedir, float val); - - - - - -#define IIO_UTILS_MAX_SAMP_FREQ_AVAILABLE (10) -#define IIO_UTILS_SCALE_AVAILABLE (10) - -struct iio_scale_available { - float values[IIO_UTILS_SCALE_AVAILABLE]; - unsigned int num_available; -}; - -struct iio_sampling_frequency_available { - unsigned int hz[IIO_UTILS_MAX_SAMP_FREQ_AVAILABLE]; - unsigned int num_available; -}; - -struct iio_device { - unsigned int dev_num; - char name[IIO_MAX_NAME_LENGTH]; -}; - -int iio_utils_get_devices_name(struct iio_device devices[], unsigned int max_list); - -int iio_utils_get_sampling_frequency_available(const char *device_dir, - struct iio_sampling_frequency_available *sfa); - -int iio_utils_get_scale_available(const char *device_dir, struct iio_scale_available *sa, int device_type); - -int iio_utils_set_scale(const char *device_dir, float value, int device_type); - -int iio_utils_get_hw_fifo_lenght(const char *device_dir); - - -int iio_utils_enable_sensor(const char *device_dir, bool enable); - -/** - * write_sysfs_string_and_verify() - string write, readback and verify - * @filename: name of file to write to - * @basedir: the sysfs directory in which the file is to be found - * @val: the string to write - **/ -int write_sysfs_string_and_verify(char *filename, char *basedir, char *val); - -int write_sysfs_string(char *filename, char *basedir, char *val); - -int read_sysfs_posint(char *filename, char *basedir); - -int read_sysfs_float(char *filename, char *basedir, float *val); - -int read_sysfs_string(char *filename, char *basedir, char *str); - -int read_sysfs_byte(char *filename, char *basedir, uint8_t *data, size_t len); - -int write_sysfs_byte(char *filename, char *basedir, uint8_t *data, size_t len); - -#endif /* IIO_UTILS */ |