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