01 树莓派4B—C语言编程——GPIO

#include <stdio.h>
#include <wiringPi.h>

int main( void)
{
  int LED1 = 1;
  int LED4 = 4;
  wiringPiSetup();
  pinMode(LED1 ,OUTPUT);
  pinMode(LED4,OUTPUT);
  printf("LED1/LED4 is blinking...\n");
  for(;;)
  {
    digitalWrite(LED1 ,HIGH);
    digitalWrite(LED4 ,LOW);
    delay(1000);
    digitalWrite(LED4 ,HIGH);
    digitalWrite(LED1 ,LOW);
    delay(1000);
  }
}

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转载自www.cnblogs.com/Record-experience/p/12118172.html
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