/* * Copyright (c) 2020 Jefferson Lee. * * SPDX-License-Identifier: Apache-2.0 */ #include #include static int board_init(void) { 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 (!gpio_is_ready_dt(&pull_up)) { return -ENODEV; } if (!gpio_is_ready_dt(&user_led)) { 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_HIGH); } SYS_INIT(board_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);