linux 下的异步串口通信

tangtiebin

//gcc -o querySerial querySerial.c
#include
#include
#include
#include
#include
/* These are the hash definitions */
#define USERBAUD1200 '1'+'2'
#define USERBAUD2400 '2'+'4'
#define USERBAUD9600 '9'+'6'
#define USERBAUD1920 '1'+'9'
#define USERBAUD3840 '3'+'8'
#define DEV "/dev/ttyS0"
struct termios tio;
/* write the users command out the serial port */
int send_cmd(int ftty,char * str)
{
  int result;
  result = write(ftty,str,strlen(str));/*argv[4], strlen(argv[4]));*/
  if (result

本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u/32596/showart_345878.html