open.c

来自「在linux操作系统下CAN收发程序的示例源代码。」· C语言 代码 · 共 33 行

#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <linux/types.h>


#include "can.h"

int main( void )
{
  struct canmsg_t sendmsg={0,0,5,0,8,{1,2,3,4,5,6,7,8}};
  int fd, ret,i;
   
  if ( ( fd = open("/dev/can1", O_RDWR ) ) < 0 )  {
    perror("open");
    printf("Error opening /dev/can1\n");
    exit(1);
  }
  
  sleep( 10 );
  close( fd );
  printf("Done\n");
  return 0;
}