summaryrefslogtreecommitdiff
path: root/tools/iio/iio_event_monitor.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/iio/iio_event_monitor.c')
-rw-r--r--tools/iio/iio_event_monitor.c139
1 files changed, 129 insertions, 10 deletions
diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c
index b61245e1181d..03ca33869ce8 100644
--- a/tools/iio/iio_event_monitor.c
+++ b/tools/iio/iio_event_monitor.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Industrialio event test code.
*
* Copyright (c) 2011-2012 Lars-Peter Clausen <lars@metafoo.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.
- *
* This program is primarily intended as an example application.
* Reads the current buffer setup from sysfs and starts a short capture
* from the specified device, pretty printing the result after appropriate
@@ -17,6 +14,7 @@
#include <unistd.h>
#include <stdlib.h>
+#include <dirent.h>
#include <stdbool.h>
#include <stdio.h>
#include <errno.h>
@@ -58,6 +56,15 @@ static const char * const iio_chan_type_name_spec[] = {
[IIO_PH] = "ph",
[IIO_UVINDEX] = "uvindex",
[IIO_GRAVITY] = "gravity",
+ [IIO_POSITIONRELATIVE] = "positionrelative",
+ [IIO_PHASE] = "phase",
+ [IIO_MASSCONCENTRATION] = "massconcentration",
+ [IIO_DELTA_ANGL] = "deltaangl",
+ [IIO_DELTA_VELOCITY] = "deltavelocity",
+ [IIO_COLORTEMP] = "colortemp",
+ [IIO_CHROMATICITY] = "chromaticity",
+ [IIO_ATTENTION] = "attention",
+ [IIO_ALTCURRENT] = "altcurrent",
};
static const char * const iio_ev_type_text[] = {
@@ -67,12 +74,18 @@ static const char * const iio_ev_type_text[] = {
[IIO_EV_TYPE_THRESH_ADAPTIVE] = "thresh_adaptive",
[IIO_EV_TYPE_MAG_ADAPTIVE] = "mag_adaptive",
[IIO_EV_TYPE_CHANGE] = "change",
+ [IIO_EV_TYPE_MAG_REFERENCED] = "mag_referenced",
+ [IIO_EV_TYPE_GESTURE] = "gesture",
+ [IIO_EV_TYPE_FAULT] = "fault",
};
static const char * const iio_ev_dir_text[] = {
[IIO_EV_DIR_EITHER] = "either",
[IIO_EV_DIR_RISING] = "rising",
- [IIO_EV_DIR_FALLING] = "falling"
+ [IIO_EV_DIR_FALLING] = "falling",
+ [IIO_EV_DIR_SINGLETAP] = "singletap",
+ [IIO_EV_DIR_DOUBLETAP] = "doubletap",
+ [IIO_EV_DIR_FAULT_OPENWIRE] = "openwire",
};
static const char * const iio_modifier_names[] = {
@@ -96,6 +109,9 @@ static const char * const iio_modifier_names[] = {
[IIO_MOD_LIGHT_GREEN] = "green",
[IIO_MOD_LIGHT_BLUE] = "blue",
[IIO_MOD_LIGHT_UV] = "uv",
+ [IIO_MOD_LIGHT_UVA] = "uva",
+ [IIO_MOD_LIGHT_UVB] = "uvb",
+ [IIO_MOD_LIGHT_DUV] = "duv",
[IIO_MOD_QUATERNION] = "quaternion",
[IIO_MOD_TEMP_AMBIENT] = "ambient",
[IIO_MOD_TEMP_OBJECT] = "object",
@@ -111,7 +127,24 @@ static const char * const iio_modifier_names[] = {
[IIO_MOD_I] = "i",
[IIO_MOD_Q] = "q",
[IIO_MOD_CO2] = "co2",
+ [IIO_MOD_ETHANOL] = "ethanol",
+ [IIO_MOD_H2] = "h2",
[IIO_MOD_VOC] = "voc",
+ [IIO_MOD_PM1] = "pm1",
+ [IIO_MOD_PM2P5] = "pm2p5",
+ [IIO_MOD_PM4] = "pm4",
+ [IIO_MOD_PM10] = "pm10",
+ [IIO_MOD_O2] = "o2",
+ [IIO_MOD_LINEAR_X] = "linear_x",
+ [IIO_MOD_LINEAR_Y] = "linear_y",
+ [IIO_MOD_LINEAR_Z] = "linear_z",
+ [IIO_MOD_PITCH] = "pitch",
+ [IIO_MOD_YAW] = "yaw",
+ [IIO_MOD_ROLL] = "roll",
+ [IIO_MOD_RMS] = "rms",
+ [IIO_MOD_ACTIVE] = "active",
+ [IIO_MOD_REACTIVE] = "reactive",
+ [IIO_MOD_APPARENT] = "apparent",
};
static bool event_is_known(struct iio_event_data *event)
@@ -151,6 +184,15 @@ static bool event_is_known(struct iio_event_data *event)
case IIO_PH:
case IIO_UVINDEX:
case IIO_GRAVITY:
+ case IIO_POSITIONRELATIVE:
+ case IIO_PHASE:
+ case IIO_MASSCONCENTRATION:
+ case IIO_DELTA_ANGL:
+ case IIO_DELTA_VELOCITY:
+ case IIO_COLORTEMP:
+ case IIO_CHROMATICITY:
+ case IIO_ATTENTION:
+ case IIO_ALTCURRENT:
break;
default:
return false;
@@ -178,6 +220,7 @@ static bool event_is_known(struct iio_event_data *event)
case IIO_MOD_LIGHT_GREEN:
case IIO_MOD_LIGHT_BLUE:
case IIO_MOD_LIGHT_UV:
+ case IIO_MOD_LIGHT_DUV:
case IIO_MOD_QUATERNION:
case IIO_MOD_TEMP_AMBIENT:
case IIO_MOD_TEMP_OBJECT:
@@ -193,7 +236,18 @@ static bool event_is_known(struct iio_event_data *event)
case IIO_MOD_I:
case IIO_MOD_Q:
case IIO_MOD_CO2:
+ case IIO_MOD_ETHANOL:
+ case IIO_MOD_H2:
case IIO_MOD_VOC:
+ case IIO_MOD_PM1:
+ case IIO_MOD_PM2P5:
+ case IIO_MOD_PM4:
+ case IIO_MOD_PM10:
+ case IIO_MOD_O2:
+ case IIO_MOD_RMS:
+ case IIO_MOD_ACTIVE:
+ case IIO_MOD_REACTIVE:
+ case IIO_MOD_APPARENT:
break;
default:
return false;
@@ -206,6 +260,8 @@ static bool event_is_known(struct iio_event_data *event)
case IIO_EV_TYPE_THRESH_ADAPTIVE:
case IIO_EV_TYPE_MAG_ADAPTIVE:
case IIO_EV_TYPE_CHANGE:
+ case IIO_EV_TYPE_GESTURE:
+ case IIO_EV_TYPE_FAULT:
break;
default:
return false;
@@ -215,6 +271,9 @@ static bool event_is_known(struct iio_event_data *event)
case IIO_EV_DIR_EITHER:
case IIO_EV_DIR_RISING:
case IIO_EV_DIR_FALLING:
+ case IIO_EV_DIR_SINGLETAP:
+ case IIO_EV_DIR_DOUBLETAP:
+ case IIO_EV_DIR_FAULT_OPENWIRE:
case IIO_EV_DIR_NONE:
break;
default:
@@ -259,24 +318,72 @@ static void print_event(struct iio_event_data *event)
printf(", direction: %s", iio_ev_dir_text[dir]);
printf("\n");
+ fflush(stdout);
+}
+
+/* Enable or disable events in sysfs if the knob is available */
+static void enable_events(char *dev_dir, int enable)
+{
+ const struct dirent *ent;
+ char evdir[256];
+ int ret;
+ DIR *dp;
+
+ snprintf(evdir, sizeof(evdir), FORMAT_EVENTS_DIR, dev_dir);
+ evdir[sizeof(evdir)-1] = '\0';
+
+ dp = opendir(evdir);
+ if (!dp) {
+ fprintf(stderr, "Enabling/disabling events: can't open %s\n",
+ evdir);
+ return;
+ }
+
+ while (ent = readdir(dp), ent) {
+ if (iioutils_check_suffix(ent->d_name, "_en")) {
+ printf("%sabling: %s\n",
+ enable ? "En" : "Dis",
+ ent->d_name);
+ ret = write_sysfs_int(ent->d_name, evdir,
+ enable);
+ if (ret < 0)
+ fprintf(stderr, "Failed to enable/disable %s\n",
+ ent->d_name);
+ }
+ }
+
+ if (closedir(dp) == -1) {
+ perror("Enabling/disabling channels: "
+ "Failed to close directory");
+ return;
+ }
}
int main(int argc, char **argv)
{
struct iio_event_data event;
const char *device_name;
+ char *dev_dir_name = NULL;
char *chrdev_name;
int ret;
int dev_num;
int fd, event_fd;
-
- if (argc <= 1) {
- fprintf(stderr, "Usage: %s <device_name>\n", argv[0]);
+ bool all_events = false;
+
+ if (argc == 2) {
+ device_name = argv[1];
+ } else if (argc == 3) {
+ device_name = argv[2];
+ if (!strcmp(argv[1], "-a"))
+ all_events = true;
+ } else {
+ fprintf(stderr,
+ "Usage: iio_event_monitor [options] <device_name>\n"
+ "Listen and display events from IIO devices\n"
+ " -a Auto-activate all available events\n");
return -1;
}
- device_name = argv[1];
-
dev_num = find_type_by_name(device_name, "iio:device");
if (dev_num >= 0) {
printf("Found IIO device with name %s with device number %d\n",
@@ -284,6 +391,10 @@ int main(int argc, char **argv)
ret = asprintf(&chrdev_name, "/dev/iio:device%d", dev_num);
if (ret < 0)
return -ENOMEM;
+ /* Look up sysfs dir as well if we can */
+ ret = asprintf(&dev_dir_name, "%siio:device%d", iio_dir, dev_num);
+ if (ret < 0)
+ return -ENOMEM;
} else {
/*
* If we can't find an IIO device by name assume device_name is
@@ -294,6 +405,9 @@ int main(int argc, char **argv)
return -ENOMEM;
}
+ if (all_events && dev_dir_name)
+ enable_events(dev_dir_name, 1);
+
fd = open(chrdev_name, 0);
if (fd == -1) {
ret = -errno;
@@ -346,7 +460,12 @@ int main(int argc, char **argv)
perror("Failed to close event file");
error_free_chrdev_name:
+ /* Disable events after use */
+ if (all_events && dev_dir_name)
+ enable_events(dev_dir_name, 0);
+
free(chrdev_name);
+ free(dev_dir_name);
return ret;
}
generated by cgit (git 2.34.1) at 2025-12-26 08:03:46 +0000