diff options
Diffstat (limited to 'zephyr/test/drivers/led_driver/src/led.c')
| -rw-r--r-- | zephyr/test/drivers/led_driver/src/led.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/zephyr/test/drivers/led_driver/src/led.c b/zephyr/test/drivers/led_driver/src/led.c new file mode 100644 index 0000000000..5c0c9d0c01 --- /dev/null +++ b/zephyr/test/drivers/led_driver/src/led.c @@ -0,0 +1,69 @@ +/* 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 <ztest.h> +#include "ec_commands.h" +#include "gpio.h" +#include "led.h" +#include "led_common.h" +#include "test/drivers/test_state.h" + +#define VERIFY_LED_COLOR(color, led_id) \ + { \ + const struct led_pins_node_t *pin_node = \ + led_get_node(color, led_id); \ + for (int j = 0; j < pin_node->pins_count; j++) { \ + int val = gpio_pin_get_dt(gpio_get_dt_spec( \ + pin_node->gpio_pins[j].signal)); \ + int expecting = pin_node->gpio_pins[j].val; \ + zassert_equal(expecting, val, "[%d]: %d != %d", j, \ + expecting, val); \ + } \ + } + +ZTEST_SUITE(led_driver, drivers_predicate_post_main, NULL, NULL, NULL, NULL); + +ZTEST(led_driver, test_led_control) +{ + /* Exercise valid led_id, set to RESET state */ + led_control(EC_LED_ID_SYSRQ_DEBUG_LED, LED_STATE_RESET); + VERIFY_LED_COLOR(LED_OFF, EC_LED_ID_SYSRQ_DEBUG_LED); + + /* Exercise valid led_id, set to OFF state. + * Verify matches OFF color defined in device tree + */ + led_control(EC_LED_ID_SYSRQ_DEBUG_LED, LED_STATE_OFF); + VERIFY_LED_COLOR(LED_OFF, EC_LED_ID_SYSRQ_DEBUG_LED); + + /* Exercise valid led_id, set to ON state. + * Verify matches ON color defined in device tree + */ + led_control(EC_LED_ID_SYSRQ_DEBUG_LED, LED_STATE_ON); + VERIFY_LED_COLOR(LED_BLUE, EC_LED_ID_SYSRQ_DEBUG_LED); + + /* Exercise invalid led_id -- no change to led color */ + led_control(EC_LED_ID_LEFT_LED, LED_STATE_RESET); + VERIFY_LED_COLOR(LED_BLUE, EC_LED_ID_SYSRQ_DEBUG_LED); +} + +ZTEST(led_driver, test_led_brightness) +{ + uint8_t brightness[EC_LED_COLOR_COUNT] = { -1 }; + + /* Verify LED set to OFF */ + led_set_brightness(EC_LED_ID_SYSRQ_DEBUG_LED, brightness); + VERIFY_LED_COLOR(LED_OFF, EC_LED_ID_SYSRQ_DEBUG_LED); + + /* Verify LED colors defined in device tree are reflected in the + * brightness array. + */ + led_get_brightness_range(EC_LED_ID_SYSRQ_DEBUG_LED, brightness); + zassert_equal(brightness[EC_LED_COLOR_BLUE], 1, NULL); + zassert_equal(brightness[EC_LED_COLOR_WHITE], 1, NULL); + + /* Verify LED set to WHITE */ + led_set_brightness(EC_LED_ID_SYSRQ_DEBUG_LED, brightness); + VERIFY_LED_COLOR(LED_WHITE, EC_LED_ID_SYSRQ_DEBUG_LED); +} |