| /* |
| * Industrial I/O utilities - lsiio.c |
| * |
| * Copyright (c) 2010 Manuel Stahl <manuel.stahl@iis.fraunhofer.de> |
| * |
| * 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 <string.h> |
| #include <dirent.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/dir.h> |
| #include "iio_utils.h" |
| |
| |
| static enum verbosity { |
| VERBLEVEL_DEFAULT, /* 0 gives lspci behaviour */ |
| VERBLEVEL_SENSORS, /* 1 lists sensors */ |
| } verblevel = VERBLEVEL_DEFAULT; |
| |
| const char *type_device = "iio:device"; |
| const char *type_trigger = "trigger"; |
| |
| |
| static inline int check_prefix(const char *str, const char *prefix) |
| { |
| return strlen(str) > strlen(prefix) && |
| strncmp(str, prefix, strlen(prefix)) == 0; |
| } |
| |
| static inline int check_postfix(const char *str, const char *postfix) |
| { |
| return strlen(str) > strlen(postfix) && |
| strcmp(str + strlen(str) - strlen(postfix), postfix) == 0; |
| } |
| |
| static int dump_channels(const char *dev_dir_name) |
| { |
| DIR *dp; |
| const struct dirent *ent; |
| |
| dp = opendir(dev_dir_name); |
| if (dp == NULL) |
| return -errno; |
| while (ent = readdir(dp), ent != NULL) |
| if (check_prefix(ent->d_name, "in_") && |
| check_postfix(ent->d_name, "_raw")) { |
| printf(" %-10s\n", ent->d_name); |
| } |
| |
| return 0; |
| } |
| |
| static int dump_one_device(const char *dev_dir_name) |
| { |
| char name[IIO_MAX_NAME_LENGTH]; |
| int dev_idx; |
| int retval; |
| |
| retval = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device), |
| "%i", &dev_idx); |
| if (retval != 1) |
| return -EINVAL; |
| read_sysfs_string("name", dev_dir_name, name); |
| printf("Device %03d: %s\n", dev_idx, name); |
| |
| if (verblevel >= VERBLEVEL_SENSORS) |
| return dump_channels(dev_dir_name); |
| return 0; |
| } |
| |
| static int dump_one_trigger(const char *dev_dir_name) |
| { |
| char name[IIO_MAX_NAME_LENGTH]; |
| int dev_idx; |
| int retval; |
| |
| retval = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger), |
| "%i", &dev_idx); |
| if (retval != 1) |
| return -EINVAL; |
| read_sysfs_string("name", dev_dir_name, name); |
| printf("Trigger %03d: %s\n", dev_idx, name); |
| return 0; |
| } |
| |
| static void dump_devices(void) |
| { |
| const struct dirent *ent; |
| int number, numstrlen; |
| |
| FILE *nameFile; |
| DIR *dp; |
| char thisname[IIO_MAX_NAME_LENGTH]; |
| char *filename; |
| |
| dp = opendir(iio_dir); |
| if (dp == NULL) { |
| printf("No industrial I/O devices available\n"); |
| return; |
| } |
| |
| while (ent = readdir(dp), ent != NULL) { |
| if (check_prefix(ent->d_name, type_device)) { |
| char *dev_dir_name; |
| |
| asprintf(&dev_dir_name, "%s%s", iio_dir, ent->d_name); |
| dump_one_device(dev_dir_name); |
| free(dev_dir_name); |
| if (verblevel >= VERBLEVEL_SENSORS) |
| printf("\n"); |
| } |
| } |
| rewinddir(dp); |
| while (ent = readdir(dp), ent != NULL) { |
| if (check_prefix(ent->d_name, type_trigger)) { |
| char *dev_dir_name; |
| |
| asprintf(&dev_dir_name, "%s%s", iio_dir, ent->d_name); |
| dump_one_trigger(dev_dir_name); |
| free(dev_dir_name); |
| } |
| } |
| closedir(dp); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| int c, err = 0; |
| |
| while ((c = getopt(argc, argv, "d:D:v")) != EOF) { |
| switch (c) { |
| case 'v': |
| verblevel++; |
| break; |
| |
| case '?': |
| default: |
| err++; |
| break; |
| } |
| } |
| if (err || argc > optind) { |
| fprintf(stderr, "Usage: lsiio [options]...\n" |
| "List industrial I/O devices\n" |
| " -v, --verbose\n" |
| " Increase verbosity (may be given multiple times)\n" |
| ); |
| exit(1); |
| } |
| |
| dump_devices(); |
| |
| return 0; |
| } |