mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2025-12-13 16:43:52 +01:00
8cdb2d9411
examples/guides: Introduce tutorial references doc/guides/tutorial: Introduce code_folder for all tutorials
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2025 Tom Hert <git@annsann.eu>
|
|
* SPDX-FileCopyrightText: 2025 HAW Hamburg
|
|
* SPDX-License-Identifier: LGPL-2.1-only
|
|
*/
|
|
|
|
#include "board.h"
|
|
#include "periph/gpio.h"
|
|
#include "ztimer.h"
|
|
|
|
/* Define the LED0 pin and mode */
|
|
gpio_t led0 = GPIO_PIN(1, 9);
|
|
gpio_mode_t led0_mode = GPIO_OUT;
|
|
|
|
/* Define the LED1 pin and mode */
|
|
gpio_t led1 = GPIO_PIN(1, 10);
|
|
gpio_mode_t led1_mode = GPIO_OUT;
|
|
|
|
/* Define the button pin */
|
|
gpio_t button = GPIO_PIN(1, 2);
|
|
|
|
/* This callback function will be called when the button state changes */
|
|
void button_callback(void *arg) {
|
|
/* the argument is not used */
|
|
(void)arg;
|
|
|
|
/* Toggle the LED1 pin based on the button state */
|
|
if (gpio_read(button)) {
|
|
gpio_clear(led1);
|
|
} else {
|
|
gpio_set(led1);
|
|
}
|
|
}
|
|
|
|
int main(void) {
|
|
/* Initialize the LED0 pin */
|
|
gpio_init(led0, led0_mode);
|
|
/* Turn off the LED0 pin */
|
|
gpio_clear(led0);
|
|
|
|
/* Initialize the LED1 pin */
|
|
gpio_init(led1, led1_mode);
|
|
/* Turn off the LED1 pin */
|
|
gpio_clear(led1);
|
|
|
|
/* Initialize the button pin */
|
|
gpio_init_int(button, GPIO_IN_PU, GPIO_BOTH, button_callback, NULL);
|
|
|
|
/* Loop forever */
|
|
while (1) {
|
|
/* Toggle the LED0 pin every 500 milliseconds */
|
|
gpio_toggle(led0);
|
|
ztimer_sleep(ZTIMER_MSEC, 500);
|
|
}
|
|
}
|