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#include  <stdio.h>   
#include  <stdlib.h> 
#include  <unistd.h>   
#include  <sys/types.h>
#include  <sys/stat.h> 
#include  <fcntl.h>   
#include  <termios.h> 
#include  <errno.h>   
#include  <string.h>


#define TRUE 1

//³õʼ»¯´®¿ÚÑ¡Ï 

void setTermios(struct termios * pNewtio, int uBaudRate)
{
bzero(pNewtio, sizeof(struct termios)); /* clear struct for new port settings */
//8N1
pNewtio->c_cflag = uBaudRate | CS8 | CREAD | CLOCAL;
pNewtio->c_iflag = IGNPAR;
pNewtio->c_oflag = 0;
pNewtio->c_lflag = 0; //non ICANON

/*

initialize all control characters

default values can be found in /usr/include/termios.h, and

are given in the comments, but we don't need them here

*/

pNewtio->c_cc[VINTR] = 0; /* Ctrl-c */
pNewtio->c_cc[VQUIT] = 0; /* Ctrl-\ */
pNewtio->c_cc[VERASE] = 0; /* del */
pNewtio->c_cc[VKILL] = 0; /* @ */
pNewtio->c_cc[VEOF] = 4; /* Ctrl-d */
pNewtio->c_cc[VTIME] = 5; /* inter-character timer, timeout VTIME*0.1 */
pNewtio->c_cc[VMIN] = 0; /* blocking read unt