mirror of
https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git
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e60e38375c
In order to allow the upcoming GLib and DBus bindings to reuse the test code, let's put all common elements into reusable libtool objects and export the relevant symbols in internal headers. Tested-by: Alexander Sverdlin <alexander.sverdlin@siemens.com> Link: https://lore.kernel.org/r/20240812-dbus-v5-1-ead288509217@linaro.org Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
703 lines
23 KiB
C
703 lines
23 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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// SPDX-FileCopyrightText: 2017-2021 Bartosz Golaszewski <bartekgola@gmail.com>
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#include <glib.h>
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#include <gpiod.h>
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#include <gpiod-test.h>
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#include <gpiod-test-common.h>
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#include <gpiosim-glib.h>
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#include "helpers.h"
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#define GPIOD_TEST_GROUP "line-request"
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GPIOD_TEST_CASE(request_fails_with_no_offsets)
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{
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 4, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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line_cfg = gpiod_test_create_line_config_or_fail();
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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request = gpiod_chip_request_lines(chip, NULL, line_cfg);
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g_assert_null(request);
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gpiod_test_expect_errno(EINVAL);
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}
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GPIOD_TEST_CASE(request_fails_with_no_line_config)
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{
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 4, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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request = gpiod_chip_request_lines(chip, NULL, NULL);
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g_assert_null(request);
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gpiod_test_expect_errno(EINVAL);
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}
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GPIOD_TEST_CASE(request_fails_with_offset_out_of_bounds)
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{
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static const guint offsets[] = { 2, 6 };
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 4, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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line_cfg = gpiod_test_create_line_config_or_fail();
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gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 2,
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NULL);
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request = gpiod_chip_request_lines(chip, NULL, line_cfg);
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g_assert_null(request);
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gpiod_test_expect_errno(EINVAL);
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}
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GPIOD_TEST_CASE(set_consumer)
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{
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static const guint offset = 2;
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static const gchar *const consumer = "foobar";
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 4, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_request_config) req_cfg = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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g_autoptr(struct_gpiod_line_info) info = NULL;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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req_cfg = gpiod_test_create_request_config_or_fail();
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line_cfg = gpiod_test_create_line_config_or_fail();
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gpiod_request_config_set_consumer(req_cfg, consumer);
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gpiod_test_line_config_add_line_settings_or_fail(line_cfg, &offset, 1,
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NULL);
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request = gpiod_test_chip_request_lines_or_fail(chip,
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req_cfg, line_cfg);
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info = gpiod_test_chip_get_line_info_or_fail(chip, offset);
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g_assert_true(gpiod_line_info_is_used(info));
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g_assert_cmpstr(gpiod_line_info_get_consumer(info), ==, consumer);
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}
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GPIOD_TEST_CASE(empty_consumer)
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{
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static const guint offset = 2;
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 4, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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g_autoptr(struct_gpiod_line_info) info = NULL;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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line_cfg = gpiod_test_create_line_config_or_fail();
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gpiod_test_line_config_add_line_settings_or_fail(line_cfg, &offset, 1,
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NULL);
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request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
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info = gpiod_test_chip_get_line_info_or_fail(chip, offset);
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g_assert_cmpstr(gpiod_line_info_get_consumer(info), ==, "?");
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}
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GPIOD_TEST_CASE(default_output_value)
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{
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/*
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* Have a hole in offsets on purpose - make sure it's not set by
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* accident.
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*/
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static const guint offsets[] = { 0, 1, 3, 4 };
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_settings) settings = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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guint i;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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settings = gpiod_test_create_line_settings_or_fail();
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line_cfg = gpiod_test_create_line_config_or_fail();
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gpiod_line_settings_set_direction(settings,
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GPIOD_LINE_DIRECTION_OUTPUT);
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gpiod_line_settings_set_output_value(settings, GPIOD_LINE_VALUE_ACTIVE);
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gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 4,
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settings);
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g_gpiosim_chip_set_pull(sim, 2, G_GPIOSIM_PULL_DOWN);
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request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
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for (i = 0; i < 4; i++)
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g_assert_cmpint(g_gpiosim_chip_get_value(sim, offsets[i]), ==,
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G_GPIOSIM_VALUE_ACTIVE);
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g_assert_cmpint(g_gpiosim_chip_get_value(sim, 2), ==,
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G_GPIOSIM_VALUE_INACTIVE);
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}
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GPIOD_TEST_CASE(read_all_values)
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{
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static const guint offsets[] = { 0, 2, 4, 5, 7 };
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static const gint pulls[] = { 0, 1, 0, 1, 1 };
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_settings) settings = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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enum gpiod_line_value values[5];
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gint ret;
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guint i;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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settings = gpiod_test_create_line_settings_or_fail();
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line_cfg = gpiod_test_create_line_config_or_fail();
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gpiod_line_settings_set_direction(settings, GPIOD_LINE_DIRECTION_INPUT);
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gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 5,
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settings);
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request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
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for (i = 0; i < 5; i++)
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g_gpiosim_chip_set_pull(sim, offsets[i],
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pulls[i] ? G_GPIOSIM_PULL_UP :
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G_GPIOSIM_PULL_DOWN);
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ret = gpiod_line_request_get_values(request, values);
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g_assert_cmpint(ret, ==, 0);
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gpiod_test_return_if_failed();
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for (i = 0; i < 5; i++)
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g_assert_cmpint(values[i], ==, pulls[i]);
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}
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GPIOD_TEST_CASE(request_multiple_values_but_read_one)
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{
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static const guint offsets[] = { 0, 2, 4, 5, 7 };
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static const gint pulls[] = { 0, 1, 0, 1, 1 };
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_settings) settings = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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gint ret;
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guint i;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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settings = gpiod_test_create_line_settings_or_fail();
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line_cfg = gpiod_test_create_line_config_or_fail();
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gpiod_line_settings_set_direction(settings, GPIOD_LINE_DIRECTION_INPUT);
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gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 5,
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settings);
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request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
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for (i = 0; i < 5; i++)
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g_gpiosim_chip_set_pull(sim, offsets[i],
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pulls[i] ? G_GPIOSIM_PULL_UP :
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G_GPIOSIM_PULL_DOWN);
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ret = gpiod_line_request_get_value(request, 5);
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g_assert_cmpint(ret, ==, 1);
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}
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GPIOD_TEST_CASE(set_all_values)
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{
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static const guint offsets[] = { 0, 2, 4, 5, 6 };
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static const enum gpiod_line_value values[] = {
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GPIOD_LINE_VALUE_ACTIVE,
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GPIOD_LINE_VALUE_INACTIVE,
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GPIOD_LINE_VALUE_ACTIVE,
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GPIOD_LINE_VALUE_ACTIVE,
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GPIOD_LINE_VALUE_ACTIVE
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};
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static const GPIOSimValue sim_values[] = {
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G_GPIOSIM_VALUE_ACTIVE,
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G_GPIOSIM_VALUE_INACTIVE,
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G_GPIOSIM_VALUE_ACTIVE,
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G_GPIOSIM_VALUE_ACTIVE,
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G_GPIOSIM_VALUE_ACTIVE
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};
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_settings) settings = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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gint ret;
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guint i;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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settings = gpiod_test_create_line_settings_or_fail();
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line_cfg = gpiod_test_create_line_config_or_fail();
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gpiod_line_settings_set_direction(settings,
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GPIOD_LINE_DIRECTION_OUTPUT);
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gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 5,
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settings);
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request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
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ret = gpiod_line_request_set_values(request, values);
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g_assert_cmpint(ret, ==, 0);
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gpiod_test_return_if_failed();
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for (i = 0; i < 5; i++)
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g_assert_cmpint(g_gpiosim_chip_get_value(sim, offsets[i]), ==,
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sim_values[i]);
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}
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GPIOD_TEST_CASE(set_values_subset_of_lines)
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{
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static const guint offsets[] = { 0, 1, 2, 3 };
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static const guint offsets_to_set[] = { 0, 1, 3 };
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static const enum gpiod_line_value values[] = {
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GPIOD_LINE_VALUE_ACTIVE,
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GPIOD_LINE_VALUE_INACTIVE,
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GPIOD_LINE_VALUE_ACTIVE
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};
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 4, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_settings) settings = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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gint ret;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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settings = gpiod_test_create_line_settings_or_fail();
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line_cfg = gpiod_test_create_line_config_or_fail();
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gpiod_line_settings_set_direction(settings,
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GPIOD_LINE_DIRECTION_OUTPUT);
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gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 4,
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settings);
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request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
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ret = gpiod_line_request_set_values_subset(request, 3, offsets_to_set,
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values);
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g_assert_cmpint(ret, ==, 0);
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gpiod_test_return_if_failed();
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g_assert_cmpint(g_gpiosim_chip_get_value(sim, 0), ==,
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G_GPIOSIM_VALUE_ACTIVE);
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g_assert_cmpint(g_gpiosim_chip_get_value(sim, 1), ==,
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G_GPIOSIM_VALUE_INACTIVE);
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g_assert_cmpint(g_gpiosim_chip_get_value(sim, 3), ==,
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G_GPIOSIM_VALUE_ACTIVE);
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}
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GPIOD_TEST_CASE(set_line_after_requesting)
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{
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static const guint offsets[] = { 0, 1, 3, 4 };
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_settings) settings = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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settings = gpiod_test_create_line_settings_or_fail();
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line_cfg = gpiod_test_create_line_config_or_fail();
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gpiod_line_settings_set_direction(settings,
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GPIOD_LINE_DIRECTION_OUTPUT);
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gpiod_line_settings_set_output_value(settings,
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GPIOD_LINE_VALUE_INACTIVE);
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gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 4,
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settings);
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request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
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gpiod_line_request_set_value(request, 1, GPIOD_LINE_VALUE_ACTIVE);
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g_assert_cmpint(g_gpiosim_chip_get_value(sim, 0), ==,
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G_GPIOSIM_VALUE_INACTIVE);
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g_assert_cmpint(g_gpiosim_chip_get_value(sim, 1), ==,
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G_GPIOSIM_VALUE_ACTIVE);
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g_assert_cmpint(g_gpiosim_chip_get_value(sim, 3), ==,
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G_GPIOSIM_VALUE_INACTIVE);
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g_assert_cmpint(g_gpiosim_chip_get_value(sim, 4), ==,
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G_GPIOSIM_VALUE_INACTIVE);
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}
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GPIOD_TEST_CASE(request_survives_parent_chip)
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{
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static const guint offset = 0;
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 4, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_settings) settings = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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gint ret;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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settings = gpiod_test_create_line_settings_or_fail();
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line_cfg = gpiod_test_create_line_config_or_fail();
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gpiod_line_settings_set_direction(settings,
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GPIOD_LINE_DIRECTION_OUTPUT);
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gpiod_line_settings_set_output_value(settings, GPIOD_LINE_VALUE_ACTIVE);
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gpiod_test_line_config_add_line_settings_or_fail(line_cfg, &offset, 1,
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settings);
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request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
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g_assert_cmpint(gpiod_line_request_get_value(request, offset), ==,
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GPIOD_LINE_VALUE_ACTIVE);
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gpiod_chip_close(chip);
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chip = NULL;
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ret = gpiod_line_request_set_value(request, offset,
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GPIOD_LINE_VALUE_ACTIVE);
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g_assert_cmpint(ret, ==, 0);
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gpiod_test_return_if_failed();
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ret = gpiod_line_request_set_value(request, offset,
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GPIOD_LINE_VALUE_ACTIVE);
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g_assert_cmpint(ret, ==, 0);
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gpiod_test_return_if_failed();
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}
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GPIOD_TEST_CASE(num_lines_and_offsets)
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{
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static const guint offsets[] = { 0, 1, 2, 3, 7, 8, 11, 14 };
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 16, NULL);
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g_autoptr(struct_gpiod_chip) chip = NULL;
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g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
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g_autoptr(struct_gpiod_line_request) request = NULL;
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guint read_back[8], i;
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chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
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line_cfg = gpiod_test_create_line_config_or_fail();
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gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 8,
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NULL);
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|
|
request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
|
|
|
|
g_assert_cmpuint(gpiod_line_request_get_num_requested_lines(request),
|
|
==, 8);
|
|
gpiod_test_return_if_failed();
|
|
gpiod_line_request_get_requested_offsets(request, read_back, 8);
|
|
for (i = 0; i < 8; i++)
|
|
g_assert_cmpuint(read_back[i], ==, offsets[i]);
|
|
}
|
|
|
|
GPIOD_TEST_CASE(active_low_read_value)
|
|
{
|
|
g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
|
|
g_autoptr(struct_gpiod_chip) chip = NULL;
|
|
g_autoptr(struct_gpiod_line_settings) settings = NULL;
|
|
g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
|
|
g_autoptr(struct_gpiod_line_request) request = NULL;
|
|
guint offset;
|
|
gint value;
|
|
|
|
chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
|
|
settings = gpiod_test_create_line_settings_or_fail();
|
|
line_cfg = gpiod_test_create_line_config_or_fail();
|
|
|
|
gpiod_line_settings_set_active_low(settings, true);
|
|
gpiod_line_settings_set_direction(settings, GPIOD_LINE_DIRECTION_INPUT);
|
|
offset = 2;
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, &offset, 1,
|
|
settings);
|
|
gpiod_line_settings_set_direction(settings,
|
|
GPIOD_LINE_DIRECTION_OUTPUT);
|
|
gpiod_line_settings_set_output_value(settings, GPIOD_LINE_VALUE_ACTIVE);
|
|
offset = 3;
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, &offset, 1,
|
|
settings);
|
|
|
|
request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
|
|
|
|
g_gpiosim_chip_set_pull(sim, 2, G_GPIOSIM_PULL_DOWN);
|
|
value = gpiod_line_request_get_value(request, 2);
|
|
g_assert_cmpint(value, ==, GPIOD_LINE_VALUE_ACTIVE);
|
|
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 3), ==,
|
|
G_GPIOSIM_VALUE_INACTIVE);
|
|
}
|
|
|
|
GPIOD_TEST_CASE(reconfigure_lines)
|
|
{
|
|
g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 4, NULL);
|
|
g_autoptr(struct_gpiod_chip) chip = NULL;
|
|
g_autoptr(struct_gpiod_line_settings) settings = NULL;
|
|
g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
|
|
g_autoptr(struct_gpiod_line_request) request = NULL;
|
|
guint offsets[2];
|
|
gint ret;
|
|
|
|
chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
|
|
settings = gpiod_test_create_line_settings_or_fail();
|
|
line_cfg = gpiod_test_create_line_config_or_fail();
|
|
|
|
gpiod_line_settings_set_direction(settings,
|
|
GPIOD_LINE_DIRECTION_OUTPUT);
|
|
|
|
gpiod_line_settings_set_output_value(settings, GPIOD_LINE_VALUE_ACTIVE);
|
|
offsets[0] = 0;
|
|
offsets[1] = 2;
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 2,
|
|
settings);
|
|
gpiod_line_settings_set_output_value(settings,
|
|
GPIOD_LINE_VALUE_INACTIVE);
|
|
offsets[0] = 1;
|
|
offsets[1] = 3;
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 2,
|
|
settings);
|
|
|
|
request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
|
|
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 0), ==,
|
|
G_GPIOSIM_VALUE_ACTIVE);
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 1), ==,
|
|
G_GPIOSIM_VALUE_INACTIVE);
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 2), ==,
|
|
G_GPIOSIM_VALUE_ACTIVE);
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 3), ==,
|
|
G_GPIOSIM_VALUE_INACTIVE);
|
|
|
|
gpiod_line_config_reset(line_cfg);
|
|
|
|
gpiod_line_settings_set_output_value(settings,
|
|
GPIOD_LINE_VALUE_INACTIVE);
|
|
offsets[0] = 0;
|
|
offsets[1] = 2;
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 2,
|
|
settings);
|
|
gpiod_line_settings_set_output_value(settings, GPIOD_LINE_VALUE_ACTIVE);
|
|
offsets[0] = 1;
|
|
offsets[1] = 3;
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 2,
|
|
settings);
|
|
|
|
ret = gpiod_line_request_reconfigure_lines(request, line_cfg);
|
|
g_assert_cmpint(ret, ==, 0);
|
|
gpiod_test_return_if_failed();
|
|
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 0), ==,
|
|
G_GPIOSIM_VALUE_INACTIVE);
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 1), ==,
|
|
G_GPIOSIM_VALUE_ACTIVE);
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 2), ==,
|
|
G_GPIOSIM_VALUE_INACTIVE);
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 3), ==,
|
|
G_GPIOSIM_VALUE_ACTIVE);
|
|
}
|
|
|
|
GPIOD_TEST_CASE(reconfigure_lines_null_config)
|
|
{
|
|
static const guint offsets[] = { 0, 1, 2, 3 };
|
|
|
|
g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
|
|
g_autoptr(struct_gpiod_chip) chip = NULL;
|
|
g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
|
|
g_autoptr(struct_gpiod_line_request) request = NULL;
|
|
gint ret;
|
|
|
|
chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
|
|
line_cfg = gpiod_test_create_line_config_or_fail();
|
|
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 4,
|
|
NULL);
|
|
|
|
request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
|
|
|
|
ret = gpiod_line_request_reconfigure_lines(request, NULL);
|
|
g_assert_cmpint(ret, ==, -1);
|
|
gpiod_test_expect_errno(EINVAL);
|
|
}
|
|
|
|
GPIOD_TEST_CASE(reconfigure_lines_different_offsets)
|
|
{
|
|
static const guint offsets0[] = { 0, 1, 2, 3 };
|
|
static const guint offsets1[] = { 2, 4, 5 };
|
|
|
|
g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
|
|
g_autoptr(struct_gpiod_chip) chip = NULL;
|
|
g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
|
|
g_autoptr(struct_gpiod_line_request) request = NULL;
|
|
gint ret;
|
|
|
|
chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
|
|
line_cfg = gpiod_test_create_line_config_or_fail();
|
|
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets0, 4,
|
|
NULL);
|
|
|
|
request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
|
|
|
|
gpiod_line_config_reset(line_cfg);
|
|
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets1, 3,
|
|
NULL);
|
|
|
|
ret = gpiod_line_request_reconfigure_lines(request, line_cfg);
|
|
g_assert_cmpint(ret, ==, -1);
|
|
gpiod_test_expect_errno(EINVAL);
|
|
}
|
|
|
|
GPIOD_TEST_CASE(request_lines_with_unordered_offsets)
|
|
{
|
|
static const guint offsets[] = { 5, 1, 7, 2, 0, 6 };
|
|
|
|
g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
|
|
g_autoptr(struct_gpiod_chip) chip = NULL;
|
|
g_autoptr(struct_gpiod_line_settings) settings = NULL;
|
|
g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
|
|
g_autoptr(struct_gpiod_line_request) request = NULL;
|
|
enum gpiod_line_value values[4];
|
|
guint set_offsets[4];
|
|
gint ret;
|
|
|
|
chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
|
|
settings = gpiod_test_create_line_settings_or_fail();
|
|
line_cfg = gpiod_test_create_line_config_or_fail();
|
|
|
|
gpiod_line_settings_set_direction(settings,
|
|
GPIOD_LINE_DIRECTION_OUTPUT);
|
|
gpiod_line_settings_set_output_value(settings, GPIOD_LINE_VALUE_ACTIVE);
|
|
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 6,
|
|
settings);
|
|
|
|
request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
|
|
|
|
values[0] = 0;
|
|
values[1] = 1;
|
|
values[2] = 0;
|
|
values[3] = 0;
|
|
set_offsets[0] = 7;
|
|
set_offsets[1] = 1;
|
|
set_offsets[2] = 6;
|
|
set_offsets[3] = 0;
|
|
ret = gpiod_line_request_set_values_subset(request, 4, set_offsets, values);
|
|
g_assert_cmpint(ret, ==, 0);
|
|
gpiod_test_return_if_failed();
|
|
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 0), ==,
|
|
G_GPIOSIM_VALUE_INACTIVE);
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 1), ==,
|
|
G_GPIOSIM_VALUE_ACTIVE);
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 2), ==,
|
|
G_GPIOSIM_VALUE_ACTIVE);
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 5), ==,
|
|
G_GPIOSIM_VALUE_ACTIVE);
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 6), ==,
|
|
G_GPIOSIM_VALUE_INACTIVE);
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 7), ==,
|
|
G_GPIOSIM_VALUE_INACTIVE);
|
|
}
|
|
|
|
GPIOD_TEST_CASE(request_with_bias_set_to_pull_up)
|
|
{
|
|
static const guint offset = 3;
|
|
|
|
g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
|
|
g_autoptr(struct_gpiod_chip) chip = NULL;
|
|
g_autoptr(struct_gpiod_line_settings) settings = NULL;
|
|
g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
|
|
g_autoptr(struct_gpiod_line_request) request = NULL;
|
|
|
|
chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
|
|
settings = gpiod_test_create_line_settings_or_fail();
|
|
line_cfg = gpiod_test_create_line_config_or_fail();
|
|
|
|
gpiod_line_settings_set_direction(settings, GPIOD_LINE_DIRECTION_INPUT);
|
|
gpiod_line_settings_set_bias(settings, GPIOD_LINE_BIAS_PULL_UP);
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, &offset, 1,
|
|
settings);
|
|
|
|
request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
|
|
|
|
g_assert_cmpint(g_gpiosim_chip_get_value(sim, 3), ==,
|
|
G_GPIOSIM_VALUE_ACTIVE);
|
|
}
|
|
|
|
GPIOD_TEST_CASE(get_requested_offsets_less_and_more)
|
|
{
|
|
static const guint offsets[] = { 0, 1, 2, 3 };
|
|
|
|
g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
|
|
g_autoptr(struct_gpiod_chip) chip = NULL;
|
|
g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
|
|
g_autoptr(struct_gpiod_line_request) request = NULL;
|
|
size_t num_retrieved;
|
|
guint retrieved[6];
|
|
|
|
chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
|
|
line_cfg = gpiod_test_create_line_config_or_fail();
|
|
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, offsets, 4,
|
|
NULL);
|
|
|
|
request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
|
|
|
|
num_retrieved = gpiod_line_request_get_requested_offsets(request,
|
|
retrieved, 3);
|
|
|
|
g_assert_cmpuint(num_retrieved, ==, 3);
|
|
g_assert_cmpuint(retrieved[0], ==, 0);
|
|
g_assert_cmpuint(retrieved[1], ==, 1);
|
|
g_assert_cmpuint(retrieved[2], ==, 2);
|
|
|
|
memset(retrieved, 0, sizeof(retrieved));
|
|
|
|
num_retrieved = gpiod_line_request_get_requested_offsets(request,
|
|
retrieved, 6);
|
|
|
|
g_assert_cmpuint(num_retrieved, ==, 4);
|
|
g_assert_cmpuint(retrieved[0], ==, 0);
|
|
g_assert_cmpuint(retrieved[1], ==, 1);
|
|
g_assert_cmpuint(retrieved[2], ==, 2);
|
|
g_assert_cmpuint(retrieved[3], ==, 3);
|
|
}
|
|
|
|
GPIOD_TEST_CASE(get_chip_name)
|
|
{
|
|
static const guint offset = 4;
|
|
|
|
g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL);
|
|
g_autoptr(struct_gpiod_chip) chip = NULL;
|
|
g_autoptr(struct_gpiod_line_config) line_cfg = NULL;
|
|
g_autoptr(struct_gpiod_line_request) request = NULL;
|
|
|
|
chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
|
|
line_cfg = gpiod_test_create_line_config_or_fail();
|
|
|
|
gpiod_test_line_config_add_line_settings_or_fail(line_cfg, &offset, 1,
|
|
NULL);
|
|
|
|
request = gpiod_test_chip_request_lines_or_fail(chip, NULL, line_cfg);
|
|
|
|
g_assert_cmpstr(g_gpiosim_chip_get_name(sim), ==,
|
|
gpiod_line_request_get_chip_name(request));
|
|
}
|