Signed-off-by: Manuel Stahl <manuel.stahl@xxxxxxxxxxxxxxxxx>
---
drivers/staging/iio/Documentation/iio_utils.h | 22 ++++
drivers/staging/iio/Documentation/lsiio.c | 157 ++++++++++++++++++++++++++
2 files changed, 179 insertions(+)
create mode 100644 drivers/staging/iio/Documentation/lsiio.c
diff --git a/drivers/staging/iio/Documentation/iio_utils.h b/drivers/staging/iio/Documentation/iio_utils.h
index 35154d6..8dd2671 100644
--- a/drivers/staging/iio/Documentation/iio_utils.h
+++ b/drivers/staging/iio/Documentation/iio_utils.h
@@ -652,3 +652,25 @@ error_free:
free(temp);
return ret;
}
+
+read_sysfs_string(const char *filename, const char *basedir, char *str)
+{
+ float ret = 0;
+ FILE *sysfsfp;
+ char *temp = malloc(strlen(basedir) + strlen(filename) + 2);
+ if (temp == NULL) {
+ printf("Memory allocation failed");
+ return -ENOMEM;
+ }
+ sprintf(temp, "%s/%s", basedir, filename);
+ sysfsfp = fopen(temp, "r");
+ if (sysfsfp == NULL) {
+ ret = -errno;
+ goto error_free;
+ }
+ fscanf(sysfsfp, "%s\n", str);
+ fclose(sysfsfp);
+error_free:
+ free(temp);
+ return ret;
+}
diff --git a/drivers/staging/iio/Documentation/lsiio.c b/drivers/staging/iio/Documentation/lsiio.c
new file mode 100644
index 0000000..24ae969
--- /dev/null
+++ b/drivers/staging/iio/Documentation/lsiio.c
@@ -0,0 +1,157 @@
+/*
+ * Industrial I/O utilities - lsiio.c
+ *
+ * Copyright (c) 2010 Manuel Stahl <manuel.stahl@xxxxxxxxxxxxxxxxx>
+ *
+ * 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;
+
+ sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device),
+ "%i", &dev_idx);
+ read_sysfs_string("name", dev_dir_name, name);
+ printf("Device %03d: %s\n", dev_idx, name);
+
+ if (verblevel >= VERBLEVEL_SENSORS) {
+ int ret = dump_channels(dev_dir_name);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+static int dump_one_trigger(const char *dev_dir_name)
+{
+ char name[IIO_MAX_NAME_LENGTH];
+ int dev_idx;
+
+ sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger),
+ "%i", &dev_idx);
+ 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;
+}
--
1.8.3.2
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