lsiio.c (a9d7acc8b0d52ae2f15f6280f63ac9d1e73cfb78) lsiio.c (23908db413eccd77084b09c9b0a4451dfb0524c0)
1/*
2 * Industrial I/O utilities - lsiio.c
3 *
4 * Copyright (c) 2010 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
5 *
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.

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15#include <stdint.h>
16#include <stdlib.h>
17#include <unistd.h>
18#include <sys/types.h>
19#include <sys/stat.h>
20#include <sys/dir.h>
21#include "iio_utils.h"
22
1/*
2 * Industrial I/O utilities - lsiio.c
3 *
4 * Copyright (c) 2010 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
5 *
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.

--- 6 unchanged lines hidden (view full) ---

15#include <stdint.h>
16#include <stdlib.h>
17#include <unistd.h>
18#include <sys/types.h>
19#include <sys/stat.h>
20#include <sys/dir.h>
21#include "iio_utils.h"
22
23
23static enum verbosity {
24 VERBLEVEL_DEFAULT, /* 0 gives lspci behaviour */
25 VERBLEVEL_SENSORS, /* 1 lists sensors */
26} verblevel = VERBLEVEL_DEFAULT;
27
28const char *type_device = "iio:device";
29const char *type_trigger = "trigger";
30
24static enum verbosity {
25 VERBLEVEL_DEFAULT, /* 0 gives lspci behaviour */
26 VERBLEVEL_SENSORS, /* 1 lists sensors */
27} verblevel = VERBLEVEL_DEFAULT;
28
29const char *type_device = "iio:device";
30const char *type_trigger = "trigger";
31
32
31static inline int check_prefix(const char *str, const char *prefix)
32{
33 return strlen(str) > strlen(prefix) &&
33static inline int check_prefix(const char *str, const char *prefix)
34{
35 return strlen(str) > strlen(prefix) &&
34 strncmp(str, prefix, strlen(prefix)) == 0;
36 strncmp(str, prefix, strlen(prefix)) == 0;
35}
36
37static inline int check_postfix(const char *str, const char *postfix)
38{
39 return strlen(str) > strlen(postfix) &&
37}
38
39static inline int check_postfix(const char *str, const char *postfix)
40{
41 return strlen(str) > strlen(postfix) &&
40 strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
42 strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
41}
42
43static int dump_channels(const char *dev_dir_name)
44{
45 DIR *dp;
46 const struct dirent *ent;
47
48 dp = opendir(dev_dir_name);
49 if (dp == NULL)
50 return -errno;
43}
44
45static int dump_channels(const char *dev_dir_name)
46{
47 DIR *dp;
48 const struct dirent *ent;
49
50 dp = opendir(dev_dir_name);
51 if (dp == NULL)
52 return -errno;
51
52 while (ent = readdir(dp), ent != NULL)
53 if (check_prefix(ent->d_name, "in_") &&
53 while (ent = readdir(dp), ent != NULL)
54 if (check_prefix(ent->d_name, "in_") &&
54 check_postfix(ent->d_name, "_raw"))
55 check_postfix(ent->d_name, "_raw")) {
55 printf(" %-10s\n", ent->d_name);
56 printf(" %-10s\n", ent->d_name);
57 }
56
57 return (closedir(dp) == -1) ? -errno : 0;
58}
59
60static int dump_one_device(const char *dev_dir_name)
61{
62 char name[IIO_MAX_NAME_LENGTH];
63 int dev_idx;
58
59 return (closedir(dp) == -1) ? -errno : 0;
60}
61
62static int dump_one_device(const char *dev_dir_name)
63{
64 char name[IIO_MAX_NAME_LENGTH];
65 int dev_idx;
64 int ret;
66 int retval;
65
67
66 ret = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device), "%i",
67 &dev_idx);
68 if (ret != 1)
68 retval = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device),
69 "%i", &dev_idx);
70 if (retval != 1)
69 return -EINVAL;
71 return -EINVAL;
72 retval = read_sysfs_string("name", dev_dir_name, name);
73 if (retval)
74 return retval;
70
75
71 ret = read_sysfs_string("name", dev_dir_name, name);
72 if (ret)
73 return ret;
74
75 printf("Device %03d: %s\n", dev_idx, name);
76
77 if (verblevel >= VERBLEVEL_SENSORS)
78 return dump_channels(dev_dir_name);
76 printf("Device %03d: %s\n", dev_idx, name);
77
78 if (verblevel >= VERBLEVEL_SENSORS)
79 return dump_channels(dev_dir_name);
79
80 return 0;
81}
82
83static int dump_one_trigger(const char *dev_dir_name)
84{
85 char name[IIO_MAX_NAME_LENGTH];
86 int dev_idx;
80 return 0;
81}
82
83static int dump_one_trigger(const char *dev_dir_name)
84{
85 char name[IIO_MAX_NAME_LENGTH];
86 int dev_idx;
87 int ret;
87 int retval;
88
88
89 ret = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger),
90 "%i", &dev_idx);
91 if (ret != 1)
89 retval = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger),
90 "%i", &dev_idx);
91 if (retval != 1)
92 return -EINVAL;
92 return -EINVAL;
93 retval = read_sysfs_string("name", dev_dir_name, name);
94 if (retval)
95 return retval;
93
96
94 ret = read_sysfs_string("name", dev_dir_name, name);
95 if (ret)
96 return ret;
97
98 printf("Trigger %03d: %s\n", dev_idx, name);
97 printf("Trigger %03d: %s\n", dev_idx, name);
99
100 return 0;
101}
102
103static int dump_devices(void)
104{
105 const struct dirent *ent;
106 int ret;
107 DIR *dp;

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148 if (ret) {
149 free(dev_dir_name);
150 goto error_close_dir;
151 }
152
153 free(dev_dir_name);
154 }
155 }
98 return 0;
99}
100
101static int dump_devices(void)
102{
103 const struct dirent *ent;
104 int ret;
105 DIR *dp;

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146 if (ret) {
147 free(dev_dir_name);
148 goto error_close_dir;
149 }
150
151 free(dev_dir_name);
152 }
153 }
156
157 return (closedir(dp) == -1) ? -errno : 0;
158
159error_close_dir:
160 if (closedir(dp) == -1)
161 perror("dump_devices(): Failed to close directory");
162
163 return ret;
164}

--- 26 unchanged lines hidden --- 		154 return (closedir(dp) == -1) ? -errno : 0;
155
156error_close_dir:
157 if (closedir(dp) == -1)
158 perror("dump_devices(): Failed to close directory");
159
160 return ret;
161}

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