微處理器 - Raspberry Pi RP2040 (Pico) - C/C++ - Button


參考資訊：
https://www.digikey.com/en/maker/projects/raspberry-pi-pico-and-rp2040-cc-part-1-blink-and-vs-code/7102fb8bca95452e9df6150f39ae8422

main.c

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
#include <stdio.h>
#include "pico/stdlib.h"
 
#define BTN 15
#define LED 25
 
void main(void)
{
    gpio_init(LED);
    gpio_init(BTN);
    gpio_set_dir(BTN, GPIO_IN);
    gpio_set_dir(LED, GPIO_OUT);
    gpio_pull_up(BTN);
 
    while (1) {
        gpio_put(LED, gpio_get(BTN));
    }
}

完成