diff options
Diffstat (limited to 'zephyr/test/drivers/default/src/led.c')
| -rw-r--r-- | zephyr/test/drivers/default/src/led.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/zephyr/test/drivers/default/src/led.c b/zephyr/test/drivers/default/src/led.c new file mode 100644 index 0000000000..e89a3d8b66 --- /dev/null +++ b/zephyr/test/drivers/default/src/led.c @@ -0,0 +1,92 @@ +/* Copyright 2022 The ChromiumOS Authors + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include <zephyr/ztest.h> +#include <zephyr/ztest_assert.h> + +#include <zephyr/device.h> +#include <zephyr/drivers/pwm.h> + +#include "ec_commands.h" +#include "led.h" +#include "led_common.h" +#include "pwm_mock.h" +#include "test/drivers/test_state.h" +#include "test/drivers/utils.h" + +ZTEST_SUITE(pwm_led_driver, drivers_predicate_post_main, NULL, NULL, NULL, + NULL); + +ZTEST(pwm_led_driver, test_led_set_brightness) +{ + const uint8_t brightness_off[EC_LED_COLOR_COUNT] = {}; + const uint8_t brightness_white[EC_LED_COLOR_COUNT] = { + [EC_LED_COLOR_WHITE] = 1 + }; + const uint8_t brightness_amber[EC_LED_COLOR_COUNT] = { + [EC_LED_COLOR_AMBER] = 1 + }; + const struct device *pwm_blue_left = + DEVICE_DT_GET(DT_NODELABEL(pwm_blue_left)); + const struct device *pwm_white_left = + DEVICE_DT_GET(DT_NODELABEL(pwm_white_left)); + const struct device *pwm_amber_right = + DEVICE_DT_GET(DT_NODELABEL(pwm_amber_right)); + const struct device *pwm_white_right = + DEVICE_DT_GET(DT_NODELABEL(pwm_white_right)); + + /* Turn off all LEDs */ + led_set_brightness(EC_LED_ID_LEFT_LED, brightness_off); + led_set_brightness(EC_LED_ID_RIGHT_LED, brightness_off); + zassert_equal(pwm_mock_get_duty(pwm_blue_left, 0), 0, NULL); + zassert_equal(pwm_mock_get_duty(pwm_white_left, 0), 0, NULL); + zassert_equal(pwm_mock_get_duty(pwm_amber_right, 0), 0, NULL); + zassert_equal(pwm_mock_get_duty(pwm_white_right, 0), 0, NULL); + + /* Call led_set_color(LED_WHITE, LEFT_LED) */ + led_set_brightness(EC_LED_ID_LEFT_LED, brightness_white); + zassert_equal(pwm_mock_get_duty(pwm_blue_left, 0), 0, NULL); + zassert_equal(pwm_mock_get_duty(pwm_white_left, 0), 100, NULL); + zassert_equal(pwm_mock_get_duty(pwm_amber_right, 0), 0, NULL); + zassert_equal(pwm_mock_get_duty(pwm_white_right, 0), 0, NULL); + + /* Unsupporte, call led_set_color(LED_OFF, LEFT_LED) */ + led_set_brightness(EC_LED_ID_LEFT_LED, brightness_amber); + zassert_equal(pwm_mock_get_duty(pwm_blue_left, 0), 0, NULL); + zassert_equal(pwm_mock_get_duty(pwm_white_left, 0), 0, NULL); + zassert_equal(pwm_mock_get_duty(pwm_amber_right, 0), 0, NULL); + zassert_equal(pwm_mock_get_duty(pwm_white_right, 0), 0, NULL); + + /* Call led_set_color(AMBER, RIGHT_LED) */ + led_set_brightness(EC_LED_ID_RIGHT_LED, brightness_amber); + zassert_equal(pwm_mock_get_duty(pwm_blue_left, 0), 0, NULL); + zassert_equal(pwm_mock_get_duty(pwm_white_left, 0), 0, NULL); + zassert_equal(pwm_mock_get_duty(pwm_amber_right, 0), 100, NULL); + zassert_equal(pwm_mock_get_duty(pwm_white_right, 0), 0, NULL); +} + +ZTEST(pwm_led_driver, test_led_get_brightness) +{ + uint8_t brightness[EC_LED_COLOR_COUNT]; + const uint8_t expected_left[EC_LED_COLOR_COUNT] = { + [EC_LED_COLOR_BLUE] = 100, + [EC_LED_COLOR_WHITE] = 100, + }; + const uint8_t expected_right[EC_LED_COLOR_COUNT] = { + [EC_LED_COLOR_WHITE] = 100, + [EC_LED_COLOR_AMBER] = 100, + }; + + /* Verify LED colors defined in device tree are reflected in the + * brightness array. + */ + memset(brightness, 255, sizeof(brightness)); + led_get_brightness_range(EC_LED_ID_LEFT_LED, brightness); + zassert_mem_equal(brightness, expected_left, sizeof(brightness), NULL); + + memset(brightness, 255, sizeof(brightness)); + led_get_brightness_range(EC_LED_ID_RIGHT_LED, brightness); + zassert_mem_equal(brightness, expected_right, sizeof(brightness), NULL); +} |