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https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git
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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>
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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// SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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#include <stdlib.h>
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#include "common.h"
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static void show_chip(gpointer elem, gpointer user_data G_GNUC_UNUSED)
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{
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GpiodbusObject *chip_obj = elem;
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GpiodbusChip *chip;
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chip = gpiodbus_object_peek_chip(chip_obj);
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g_print("%s [%s] (%u lines)\n",
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gpiodbus_chip_get_name(chip),
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gpiodbus_chip_get_label(chip),
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gpiodbus_chip_get_num_lines(chip));
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}
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int gpiocli_detect_main(int argc, char **argv)
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{
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static const gchar *const summary =
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"List GPIO chips, print their labels and number of GPIO lines.";
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static const gchar *const description =
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"Chips may be identified by name or number. e.g. '0' and 'gpiochip0' refer to\n"
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"the same chip.\n"
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"\n"
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"If no chips are specified - display information for all chips in the system.";
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g_autolist(GpiodbusObject) chip_objs = NULL;
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g_auto(GStrv) chip_names = NULL;
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const GOptionEntry opts[] = {
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{
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.long_name = G_OPTION_REMAINING,
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.flags = G_OPTION_FLAG_NONE,
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.arg = G_OPTION_ARG_STRING_ARRAY,
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.arg_data = &chip_names,
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.arg_description = "[chip]...",
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},
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{ }
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};
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parse_options(opts, summary, description, &argc, &argv);
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check_manager();
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chip_objs = get_chip_objs(chip_names);
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g_list_foreach(chip_objs, show_chip, NULL);
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return EXIT_SUCCESS;
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}
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