b22bb172f2
Add console output to the sample, with the LED status upon a GPIO toggle. Signed-off-by: Patryk Koscik <pkoscik@antmicro.com>
49 lines
925 B
C
49 lines
925 B
C
/*
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* Copyright (c) 2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdio.h>
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#include <zephyr/kernel.h>
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#include <zephyr/drivers/gpio.h>
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/* 1000 msec = 1 sec */
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#define SLEEP_TIME_MS 1000
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/* The devicetree node identifier for the "led0" alias. */
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#define LED0_NODE DT_ALIAS(led0)
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/*
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* A build error on this line means your board is unsupported.
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* See the sample documentation for information on how to fix this.
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*/
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static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(LED0_NODE, gpios);
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int main(void)
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{
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int ret;
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bool led_state = true;
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if (!gpio_is_ready_dt(&led)) {
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return 0;
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}
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ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
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if (ret < 0) {
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return 0;
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}
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while (1) {
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ret = gpio_pin_toggle_dt(&led);
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if (ret < 0) {
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return 0;
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}
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led_state = !led_state;
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printf("LED state: %s\n", led_state ? "ON" : "OFF");
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k_msleep(SLEEP_TIME_MS);
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}
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return 0;
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}
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