| /* |
| * Copyright (c) 2020 Jefferson Lee. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/init.h> |
| #include <zephyr/drivers/gpio.h> |
| |
| static int board_init(const struct device *dev) |
| { |
| ARG_UNUSED(dev); |
| |
| int res; |
| static const struct gpio_dt_spec pull_up = |
| GPIO_DT_SPEC_GET(DT_PATH(zephyr_user), pull_up_gpios); |
| static const struct gpio_dt_spec user_led = |
| GPIO_DT_SPEC_GET(DT_ALIAS(led4), gpios); |
| |
| if (!device_is_ready(pull_up.port)) { |
| return -ENODEV; |
| } |
| |
| if (!device_is_ready(user_led.port)) { |
| return -ENODEV; |
| } |
| |
| res = gpio_pin_configure_dt(&pull_up, GPIO_OUTPUT_HIGH); |
| if (res) { |
| return res; |
| } |
| |
| return gpio_pin_configure_dt(&user_led, GPIO_OUTPUT_INACTIVE); |
| } |
| |
| SYS_INIT(board_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE); |
