^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Industrial I/O utilities - lsiio.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2010 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <dirent.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <stdint.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <sys/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <sys/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <sys/dir.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "iio_utils.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static enum verbosity {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) VERBLEVEL_DEFAULT, /* 0 gives lspci behaviour */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) VERBLEVEL_SENSORS, /* 1 lists sensors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) } verblevel = VERBLEVEL_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) const char *type_device = "iio:device";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) const char *type_trigger = "trigger";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static inline int check_prefix(const char *str, const char *prefix)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) return strlen(str) > strlen(prefix) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) strncmp(str, prefix, strlen(prefix)) == 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static inline int check_postfix(const char *str, const char *postfix)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) return strlen(str) > strlen(postfix) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static int dump_channels(const char *dev_dir_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) DIR *dp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) const struct dirent *ent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) dp = opendir(dev_dir_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) if (!dp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return -errno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) while (ent = readdir(dp), ent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) if (check_prefix(ent->d_name, "in_") &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) (check_postfix(ent->d_name, "_raw") ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) check_postfix(ent->d_name, "_input")))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) printf(" %-10s\n", ent->d_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) return (closedir(dp) == -1) ? -errno : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static int dump_one_device(const char *dev_dir_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) char name[IIO_MAX_NAME_LENGTH];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) int dev_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) ret = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device), "%i",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) &dev_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (ret != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) ret = read_sysfs_string("name", dev_dir_name, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) printf("Device %03d: %s\n", dev_idx, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (verblevel >= VERBLEVEL_SENSORS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return dump_channels(dev_dir_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) static int dump_one_trigger(const char *dev_dir_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) char name[IIO_MAX_NAME_LENGTH];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) int dev_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) ret = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) "%i", &dev_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (ret != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) ret = read_sysfs_string("name", dev_dir_name, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) printf("Trigger %03d: %s\n", dev_idx, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) static int dump_devices(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) const struct dirent *ent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) DIR *dp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) dp = opendir(iio_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) if (!dp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) fprintf(stderr, "No industrial I/O devices available\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) while (ent = readdir(dp), ent) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) if (check_prefix(ent->d_name, type_device)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) char *dev_dir_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) if (asprintf(&dev_dir_name, "%s%s", iio_dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) ent->d_name) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) goto error_close_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) ret = dump_one_device(dev_dir_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) free(dev_dir_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) goto error_close_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) free(dev_dir_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) if (verblevel >= VERBLEVEL_SENSORS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) rewinddir(dp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) while (ent = readdir(dp), ent) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) if (check_prefix(ent->d_name, type_trigger)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) char *dev_dir_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (asprintf(&dev_dir_name, "%s%s", iio_dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) ent->d_name) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) goto error_close_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) ret = dump_one_trigger(dev_dir_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) free(dev_dir_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) goto error_close_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) free(dev_dir_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return (closedir(dp) == -1) ? -errno : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) error_close_dir:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) if (closedir(dp) == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) perror("dump_devices(): Failed to close directory");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) int main(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) int c, err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) while ((c = getopt(argc, argv, "v")) != EOF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) switch (c) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) case 'v':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) verblevel++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) case '?':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) err++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (err || argc > optind) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) fprintf(stderr, "Usage: lsiio [options]...\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) "List industrial I/O devices\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) " -v Increase verbosity (may be given multiple times)\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return dump_devices();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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