| /* |
| * Copyright (c) 2022 Google LLC |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include "zephyr/sys/util.h" |
| #include <zephyr/device.h> |
| #include <zephyr/drivers/gpio/gpio_emul.h> |
| #include <zephyr/kernel.h> |
| #include <zephyr/ztest.h> |
| #include <zephyr/input/input.h> |
| |
| static const struct device *const test_gpio_keys_dev = DEVICE_DT_GET(DT_NODELABEL(buttons)); |
| #define BUTTON_0_IDX DT_NODE_CHILD_IDX(DT_NODELABEL(voldown_button)) |
| |
| struct gpio_keys_pin_config { |
| /** GPIO specification from devicetree */ |
| struct gpio_dt_spec spec; |
| /** Zephyr code from devicetree */ |
| uint32_t zephyr_code; |
| }; |
| struct gpio_keys_config { |
| /** Debounce interval in milliseconds from devicetree */ |
| uint32_t debounce_interval_ms; |
| const int num_keys; |
| const struct gpio_keys_pin_config *pin_cfg; |
| }; |
| |
| /** |
| * @brief Test Suite: Verifies gpio_keys_config functionality. |
| */ |
| ZTEST_SUITE(gpio_keys, NULL, NULL, NULL, NULL, NULL); |
| |
| static int event_count; |
| static uint16_t last_code; |
| static bool last_val; |
| static void test_gpio_keys_cb_handler(struct input_event *evt) |
| { |
| TC_PRINT("GPIO_KEY %s pressed, zephyr_code=%u, value=%d\n", |
| evt->dev->name, evt->code, evt->value); |
| event_count++; |
| last_code = evt->code; |
| last_val = evt->value; |
| } |
| INPUT_LISTENER_CB_DEFINE(test_gpio_keys_dev, test_gpio_keys_cb_handler); |
| |
| /** |
| * @brief TestPurpose: Verify gpio_keys_config pressed raw. |
| * |
| */ |
| ZTEST(gpio_keys, test_gpio_keys_pressed) |
| { |
| const struct gpio_keys_config *config = test_gpio_keys_dev->config; |
| const struct gpio_keys_pin_config *pin_cfg = &config->pin_cfg[BUTTON_0_IDX]; |
| const struct gpio_dt_spec *spec = &pin_cfg->spec; |
| |
| last_code = 0; |
| last_val = false; |
| |
| zassert_ok(gpio_emul_input_set(spec->port, spec->pin, 0)); |
| |
| /* Check interrupt doesn't prematurely fires */ |
| k_sleep(K_MSEC(config->debounce_interval_ms / 2)); |
| zassert_equal(event_count, 0); |
| |
| /* Check interrupt fires after debounce interval */ |
| k_sleep(K_MSEC(config->debounce_interval_ms)); |
| zassert_equal(event_count, 1); |
| zassert_equal(last_code, pin_cfg->zephyr_code); |
| zassert_equal(last_val, true); |
| |
| zassert_ok(gpio_emul_input_set(spec->port, spec->pin, 1)); |
| |
| /* Check interrupt doesn't prematurely fires */ |
| k_sleep(K_MSEC(config->debounce_interval_ms / 2)); |
| zassert_equal(event_count, 1); |
| |
| /* Check interrupt fires after debounce interval */ |
| k_sleep(K_MSEC(config->debounce_interval_ms)); |
| zassert_equal(event_count, 2); |
| zassert_equal(last_code, pin_cfg->zephyr_code); |
| zassert_equal(last_val, false); |
| } |