mirror of
https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git
synced 2026-10-24 00:48:53 +03:00
a5ab76da1e
Add the D-Bus API definition and its implementation in the form of a GPIO manager daemon and a companion command-line client as well as some additional configuration and data files (systemd service, example udev configuration, etc.) and test suites. Tested-by: Alexander Sverdlin <alexander.sverdlin@siemens.com> Link: https://lore.kernel.org/r/20240812-dbus-v5-4-ead288509217@linaro.org Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
// SPDX-FileCopyrightText: 2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "common.h"
|
|
|
|
static void show_request(gpointer elem, gpointer user_data G_GNUC_UNUSED)
|
|
{
|
|
g_autoptr(GDBusObjectManager) manager = NULL;
|
|
g_autofree gchar *request_name = NULL;
|
|
g_autofree gchar *offsets_str = NULL;
|
|
g_autoptr(GVariant) voffsets = NULL;
|
|
g_autofree gchar *chip_name = NULL;
|
|
g_autoptr(GArray) offsets = NULL;
|
|
GpiodbusObject *obj = elem;
|
|
GpiodbusRequest *request;
|
|
GVariantBuilder builder;
|
|
const gchar *chip_path;
|
|
gsize i;
|
|
|
|
request_name = g_path_get_basename(
|
|
g_dbus_object_get_object_path(G_DBUS_OBJECT(obj)));
|
|
request = gpiodbus_object_peek_request(obj);
|
|
chip_path = gpiodbus_request_get_chip_path(request);
|
|
manager = get_object_manager_client(chip_path);
|
|
/* FIXME: Use chip proxy? */
|
|
chip_name = g_path_get_basename(chip_path);
|
|
|
|
offsets = get_request_offsets(request);
|
|
g_variant_builder_init(&builder, G_VARIANT_TYPE_ARRAY);
|
|
for (i = 0; i < offsets->len; i++)
|
|
g_variant_builder_add(&builder, "u",
|
|
g_array_index(offsets, guint, i));
|
|
voffsets = g_variant_ref_sink(g_variant_builder_end(&builder));
|
|
offsets_str = g_variant_print(voffsets, FALSE);
|
|
|
|
g_print("%s (%s) Offsets: %s\n",
|
|
request_name, chip_name, offsets_str);
|
|
}
|
|
|
|
int gpiocli_requests_main(int argc, char **argv)
|
|
{
|
|
static const gchar *const summary =
|
|
"List all line requests controlled by the manager.";
|
|
|
|
g_autolist(GpiodbusObject) request_objs = NULL;
|
|
g_auto(GStrv) remaining = NULL;
|
|
|
|
const GOptionEntry opts[] = {
|
|
{
|
|
.long_name = G_OPTION_REMAINING,
|
|
.flags = G_OPTION_FLAG_NONE,
|
|
.arg = G_OPTION_ARG_STRING_ARRAY,
|
|
.arg_data = &remaining,
|
|
.arg_description = NULL,
|
|
},
|
|
{ }
|
|
};
|
|
|
|
parse_options(opts, summary, NULL, &argc, &argv);
|
|
check_manager();
|
|
|
|
if (remaining)
|
|
die_parsing_opts("command doesn't take additional arguments");
|
|
|
|
request_objs = get_request_objs();
|
|
g_list_foreach(request_objs, show_request, NULL);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|