Raspberry Pi Forums

Code: Select all

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include </usr/include/wiringPi.h>
#include </usr/include/wiringSerial.h>
#include <termios.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>

int main()
{
    int fd ;
    
    if ((fd = serialOpen ("/dev/ttyS0", 4800)) < 0)
    {
      fprintf (stderr, "Unable to open serial device: %s\n", strerror (errno)) ;
      return 1 ;
    }

    if (wiringPiSetup () == -1)
    {
      fprintf (stdout, "Unable to start wiringPi: %s\n", strerror (errno)) ;
      return 1 ;
    }

    while(1)
    {
	serialPuts(fd,"bonjour");
	delay(1000);
	serialGetchar(fd);
    }
      

    printf ("\n") ;
    return 0 ;
}

Code: Select all

ls -l /dev/serial*