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// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: 2022 Bartosz Golaszewski <brgl@bgdev.pl>
#include <errno.h>
#include <glib.h>
#include <gpiod.h>
#include <gpiod-test.h>
#include <gpiod-test-common.h>
#include "helpers.h"
#define GPIOD_TEST_GROUP "line-settings"
GPIOD_TEST_CASE(default_config)
{
g_autoptr(struct_gpiod_line_settings) settings = NULL;
settings = gpiod_test_create_line_settings_or_fail();
g_assert_cmpint(gpiod_line_settings_get_direction(settings), ==,
GPIOD_LINE_DIRECTION_AS_IS);
g_assert_cmpint(gpiod_line_settings_get_edge_detection(settings), ==,
GPIOD_LINE_EDGE_NONE);
g_assert_cmpint(gpiod_line_settings_get_bias(settings), ==,
GPIOD_LINE_BIAS_AS_IS);
g_assert_cmpint(gpiod_line_settings_get_drive(settings), ==,
GPIOD_LINE_DRIVE_PUSH_PULL);
g_assert_false(gpiod_line_settings_get_active_low(settings));
g_assert_cmpuint(gpiod_line_settings_get_debounce_period_us(settings),
==, 0);
g_assert_cmpint(gpiod_line_settings_get_event_clock(settings), ==,
GPIOD_LINE_CLOCK_MONOTONIC);
g_assert_cmpint(gpiod_line_settings_get_output_value(settings), ==,
GPIOD_LINE_VALUE_INACTIVE);
}
GPIOD_TEST_CASE(set_direction)
{
g_autoptr(struct_gpiod_line_settings) settings = NULL;
gint ret;
settings = gpiod_test_create_line_settings_or_fail();
ret = gpiod_line_settings_set_direction(settings,
GPIOD_LINE_DIRECTION_INPUT);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_direction(settings), ==,
GPIOD_LINE_DIRECTION_INPUT);
ret = gpiod_line_settings_set_direction(settings,
GPIOD_LINE_DIRECTION_AS_IS);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_direction(settings), ==,
GPIOD_LINE_DIRECTION_AS_IS);
ret = gpiod_line_settings_set_direction(settings,
GPIOD_LINE_DIRECTION_OUTPUT);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_direction(settings), ==,
GPIOD_LINE_DIRECTION_OUTPUT);
ret = gpiod_line_settings_set_direction(settings, 999);
g_assert_cmpint(ret, <, 0);
g_assert_cmpint(errno, ==, EINVAL);
g_assert_cmpint(gpiod_line_settings_get_direction(settings), ==,
GPIOD_LINE_DIRECTION_AS_IS);
}
GPIOD_TEST_CASE(set_edge_detection)
{
g_autoptr(struct_gpiod_line_settings) settings = NULL;
gint ret;
settings = gpiod_test_create_line_settings_or_fail();
ret = gpiod_line_settings_set_edge_detection(settings,
GPIOD_LINE_EDGE_BOTH);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_edge_detection(settings), ==,
GPIOD_LINE_EDGE_BOTH);
ret = gpiod_line_settings_set_edge_detection(settings,
GPIOD_LINE_EDGE_NONE);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_edge_detection(settings), ==,
GPIOD_LINE_EDGE_NONE);
ret = gpiod_line_settings_set_edge_detection(settings,
GPIOD_LINE_EDGE_FALLING);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_edge_detection(settings), ==,
GPIOD_LINE_EDGE_FALLING);
ret = gpiod_line_settings_set_edge_detection(settings,
GPIOD_LINE_EDGE_RISING);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_edge_detection(settings), ==,
GPIOD_LINE_EDGE_RISING);
ret = gpiod_line_settings_set_edge_detection(settings, 999);
g_assert_cmpint(ret, <, 0);
g_assert_cmpint(errno, ==, EINVAL);
g_assert_cmpint(gpiod_line_settings_get_edge_detection(settings), ==,
GPIOD_LINE_EDGE_NONE);
}
GPIOD_TEST_CASE(set_bias)
{
g_autoptr(struct_gpiod_line_settings) settings = NULL;
gint ret;
settings = gpiod_test_create_line_settings_or_fail();
ret = gpiod_line_settings_set_bias(settings, GPIOD_LINE_BIAS_DISABLED);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_bias(settings), ==,
GPIOD_LINE_BIAS_DISABLED);
ret = gpiod_line_settings_set_bias(settings, GPIOD_LINE_BIAS_AS_IS);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_bias(settings), ==,
GPIOD_LINE_BIAS_AS_IS);
ret = gpiod_line_settings_set_bias(settings, GPIOD_LINE_BIAS_PULL_DOWN);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_bias(settings), ==,
GPIOD_LINE_BIAS_PULL_DOWN);
ret = gpiod_line_settings_set_bias(settings, GPIOD_LINE_BIAS_PULL_UP);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_bias(settings), ==,
GPIOD_LINE_BIAS_PULL_UP);
ret = gpiod_line_settings_set_bias(settings, GPIOD_LINE_BIAS_UNKNOWN);
g_assert_cmpint(ret, <, 0);
g_assert_cmpint(errno, ==, EINVAL);
g_assert_cmpint(gpiod_line_settings_get_bias(settings), ==,
GPIOD_LINE_BIAS_AS_IS);
ret = gpiod_line_settings_set_bias(settings, 999);
g_assert_cmpint(ret, <, 0);
g_assert_cmpint(errno, ==, EINVAL);
g_assert_cmpint(gpiod_line_settings_get_bias(settings), ==,
GPIOD_LINE_BIAS_AS_IS);
}
GPIOD_TEST_CASE(set_drive)
{
g_autoptr(struct_gpiod_line_settings) settings = NULL;
gint ret;
settings = gpiod_test_create_line_settings_or_fail();
ret = gpiod_line_settings_set_drive(settings,
GPIOD_LINE_DRIVE_OPEN_DRAIN);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_drive(settings), ==,
GPIOD_LINE_DRIVE_OPEN_DRAIN);
ret = gpiod_line_settings_set_drive(settings,
GPIOD_LINE_DRIVE_PUSH_PULL);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_drive(settings), ==,
GPIOD_LINE_DRIVE_PUSH_PULL);
ret = gpiod_line_settings_set_drive(settings,
GPIOD_LINE_DRIVE_OPEN_SOURCE);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_drive(settings), ==,
GPIOD_LINE_DRIVE_OPEN_SOURCE);
ret = gpiod_line_settings_set_drive(settings, 999);
g_assert_cmpint(ret, <, 0);
g_assert_cmpint(errno, ==, EINVAL);
g_assert_cmpint(gpiod_line_settings_get_drive(settings), ==,
GPIOD_LINE_DRIVE_PUSH_PULL);
}
GPIOD_TEST_CASE(set_active_low)
{
g_autoptr(struct_gpiod_line_settings) settings = NULL;
settings = gpiod_test_create_line_settings_or_fail();
gpiod_line_settings_set_active_low(settings, true);
g_assert_true(gpiod_line_settings_get_active_low(settings));
gpiod_line_settings_set_active_low(settings, false);
g_assert_false(gpiod_line_settings_get_active_low(settings));
}
GPIOD_TEST_CASE(set_debounce_period)
{
g_autoptr(struct_gpiod_line_settings) settings = NULL;
settings = gpiod_test_create_line_settings_or_fail();
gpiod_line_settings_set_debounce_period_us(settings, 4000);
g_assert_cmpint(gpiod_line_settings_get_debounce_period_us(settings),
==, 4000);
}
GPIOD_TEST_CASE(set_event_clock)
{
g_autoptr(struct_gpiod_line_settings) settings = NULL;
gint ret;
settings = gpiod_test_create_line_settings_or_fail();
ret = gpiod_line_settings_set_event_clock(settings,
GPIOD_LINE_CLOCK_MONOTONIC);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_event_clock(settings), ==,
GPIOD_LINE_CLOCK_MONOTONIC);
ret = gpiod_line_settings_set_event_clock(settings,
GPIOD_LINE_CLOCK_REALTIME);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_event_clock(settings), ==,
GPIOD_LINE_CLOCK_REALTIME);
ret = gpiod_line_settings_set_event_clock(settings,
GPIOD_LINE_CLOCK_HTE);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_event_clock(settings), ==,
GPIOD_LINE_CLOCK_HTE);
ret = gpiod_line_settings_set_event_clock(settings, 999);
g_assert_cmpint(ret, <, 0);
g_assert_cmpint(errno, ==, EINVAL);
g_assert_cmpint(gpiod_line_settings_get_event_clock(settings), ==,
GPIOD_LINE_CLOCK_MONOTONIC);
}
GPIOD_TEST_CASE(set_output_value)
{
g_autoptr(struct_gpiod_line_settings) settings = NULL;
gint ret;
settings = gpiod_test_create_line_settings_or_fail();
ret = gpiod_line_settings_set_output_value(settings,
GPIOD_LINE_VALUE_ACTIVE);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_output_value(settings), ==,
GPIOD_LINE_VALUE_ACTIVE);
ret = gpiod_line_settings_set_output_value(settings,
GPIOD_LINE_VALUE_INACTIVE);
g_assert_cmpint(ret, ==, 0);
g_assert_cmpint(gpiod_line_settings_get_output_value(settings), ==,
GPIOD_LINE_VALUE_INACTIVE);
ret = gpiod_line_settings_set_output_value(settings, 999);
g_assert_cmpint(ret, <, 0);
g_assert_cmpint(errno, ==, EINVAL);
g_assert_cmpint(gpiod_line_settings_get_output_value(settings), ==,
GPIOD_LINE_VALUE_INACTIVE);
}
GPIOD_TEST_CASE(copy_line_settings)
{
g_autoptr(struct_gpiod_line_settings) settings = NULL;
g_autoptr(struct_gpiod_line_settings) copy = NULL;
settings = gpiod_test_create_line_settings_or_fail();
gpiod_line_settings_set_direction(settings, GPIOD_LINE_DIRECTION_INPUT);
gpiod_line_settings_set_edge_detection(settings, GPIOD_LINE_EDGE_BOTH);
gpiod_line_settings_set_debounce_period_us(settings, 2000);
gpiod_line_settings_set_event_clock(settings,
GPIOD_LINE_CLOCK_REALTIME);
copy = gpiod_line_settings_copy(settings);
g_assert_nonnull(copy);
gpiod_test_return_if_failed();
g_assert_false(settings == copy);
g_assert_cmpint(gpiod_line_settings_get_direction(copy), ==,
GPIOD_LINE_DIRECTION_INPUT);
g_assert_cmpint(gpiod_line_settings_get_edge_detection(copy), ==,
GPIOD_LINE_EDGE_BOTH);
g_assert_cmpint(gpiod_line_settings_get_debounce_period_us(copy), ==,
2000);
g_assert_cmpint(gpiod_line_settings_get_event_clock(copy), ==,
GPIOD_LINE_CLOCK_REALTIME);
}
GPIOD_TEST_CASE(reset_settings)
{
g_autoptr(struct_gpiod_line_settings) settings = NULL;
settings = gpiod_test_create_line_settings_or_fail();
gpiod_line_settings_set_direction(settings, GPIOD_LINE_DIRECTION_INPUT);
gpiod_line_settings_set_edge_detection(settings, GPIOD_LINE_EDGE_BOTH);
gpiod_line_settings_set_debounce_period_us(settings, 2000);
gpiod_line_settings_set_event_clock(settings,
GPIOD_LINE_CLOCK_REALTIME);
gpiod_line_settings_reset(settings);
g_assert_cmpint(gpiod_line_settings_get_direction(settings), ==,
GPIOD_LINE_DIRECTION_AS_IS);
g_assert_cmpint(gpiod_line_settings_get_edge_detection(settings), ==,
GPIOD_LINE_EDGE_NONE);
g_assert_cmpint(gpiod_line_settings_get_bias(settings), ==,
GPIOD_LINE_BIAS_AS_IS);
g_assert_cmpint(gpiod_line_settings_get_drive(settings), ==,
GPIOD_LINE_DRIVE_PUSH_PULL);
g_assert_false(gpiod_line_settings_get_active_low(settings));
g_assert_cmpuint(gpiod_line_settings_get_debounce_period_us(settings),
==, 0);
g_assert_cmpint(gpiod_line_settings_get_event_clock(settings), ==,
GPIOD_LINE_CLOCK_MONOTONIC);
g_assert_cmpint(gpiod_line_settings_get_output_value(settings), ==,
GPIOD_LINE_VALUE_INACTIVE);
}
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