2 * Industrial I/O utilities - lsiio.c
4 * Copyright (c) 2010 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published by
8 * the Free Software Foundation.
18 #include <sys/types.h>
21 #include "iio_utils.h"
24 static enum verbosity
{
25 VERBLEVEL_DEFAULT
, /* 0 gives lspci behaviour */
26 VERBLEVEL_SENSORS
, /* 1 lists sensors */
27 } verblevel
= VERBLEVEL_DEFAULT
;
29 const char *type_device
= "iio:device";
30 const char *type_trigger
= "trigger";
33 static inline int check_prefix(const char *str
, const char *prefix
)
35 return strlen(str
) > strlen(prefix
) &&
36 strncmp(str
, prefix
, strlen(prefix
)) == 0;
39 static inline int check_postfix(const char *str
, const char *postfix
)
41 return strlen(str
) > strlen(postfix
) &&
42 strcmp(str
+ strlen(str
) - strlen(postfix
), postfix
) == 0;
45 static int dump_channels(const char *dev_dir_name
)
48 const struct dirent
*ent
;
49 dp
= opendir(dev_dir_name
);
52 while (ent
= readdir(dp
), ent
!= NULL
)
53 if (check_prefix(ent
->d_name
, "in_") &&
54 check_postfix(ent
->d_name
, "_raw")) {
55 printf(" %-10s\n", ent
->d_name
);
61 static int dump_one_device(const char *dev_dir_name
)
63 char name
[IIO_MAX_NAME_LENGTH
];
66 sscanf(dev_dir_name
+ strlen(iio_dir
) + strlen(type_device
),
68 read_sysfs_string("name", dev_dir_name
, name
);
69 printf("Device %03d: %s\n", dev_idx
, name
);
71 if (verblevel
>= VERBLEVEL_SENSORS
) {
72 int ret
= dump_channels(dev_dir_name
);
79 static int dump_one_trigger(const char *dev_dir_name
)
81 char name
[IIO_MAX_NAME_LENGTH
];
84 sscanf(dev_dir_name
+ strlen(iio_dir
) + strlen(type_trigger
),
86 read_sysfs_string("name", dev_dir_name
, name
);
87 printf("Trigger %03d: %s\n", dev_idx
, name
);
91 static void dump_devices(void)
93 const struct dirent
*ent
;
94 int number
, numstrlen
;
98 char thisname
[IIO_MAX_NAME_LENGTH
];
101 dp
= opendir(iio_dir
);
103 printf("No industrial I/O devices available\n");
107 while (ent
= readdir(dp
), ent
!= NULL
) {
108 if (check_prefix(ent
->d_name
, type_device
)) {
110 asprintf(&dev_dir_name
, "%s%s", iio_dir
, ent
->d_name
);
111 dump_one_device(dev_dir_name
);
113 if (verblevel
>= VERBLEVEL_SENSORS
)
118 while (ent
= readdir(dp
), ent
!= NULL
) {
119 if (check_prefix(ent
->d_name
, type_trigger
)) {
121 asprintf(&dev_dir_name
, "%s%s", iio_dir
, ent
->d_name
);
122 dump_one_trigger(dev_dir_name
);
129 int main(int argc
, char **argv
)
133 while ((c
= getopt(argc
, argv
, "d:D:v")) != EOF
) {
145 if (err
|| argc
> optind
) {
146 fprintf(stderr
, "Usage: lsiio [options]...\n"
147 "List industrial I/O devices\n"
149 " Increase verbosity (may be given multiple times)\n"
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