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| /*Oo_______________________________________________oO
Program name : serie1
Date : 24/09/2003
Version : 0.3
OOoo_______________________________________________oO*/
#include <unistd.h>
#include <fcntl.h>
#include <termios.h>
#include <stdio.h>
#include <string.h>
#define BAUDRATE B9600
#define MODEMDEVICE "/dev/ttyS0"
#define FALSE 0
#define TRUE 1
volatile int STOP=FALSE;
int main(int argc, char *argv[])
{
int fd,res;
struct termios oldtio,newtio;
char buf[12],c;
fd = open(MODEMDEVICE, O_RDWR | O_NOCTTY );
if (fd <0)
{
perror(MODEMDEVICE);
return(-1);
}
tcgetattr(fd,&oldtio);
bzero(&newtio, sizeof(newtio));
newtio.c_cflag = BAUDRATE | CRTSCTS | CS8 | CLOCAL | CREAD;
newtio.c_iflag = IGNPAR | ICRNL;
newtio.c_oflag = 0;
newtio.c_lflag = ICANON;
newtio.c_cc[VINTR] = 0;
newtio.c_cc[VQUIT] = 0;
newtio.c_cc[VERASE] = 0;
newtio.c_cc[VKILL] = 0;
newtio.c_cc[VEOF] = 4;
newtio.c_cc[VTIME] = 0;
newtio.c_cc[VMIN] = 1;
newtio.c_cc[VSWTC] = 0;
newtio.c_cc[VSTART] = 0;
newtio.c_cc[VSTOP] = 0;
newtio.c_cc[VSUSP] = 0;
newtio.c_cc[VEOL] = 0;
newtio.c_cc[VREPRINT] = 0;
newtio.c_cc[VDISCARD] = 0;
newtio.c_cc[VWERASE] = 0;
newtio.c_cc[VLNEXT] = 0;
newtio.c_cc[VEOL2] = 0;
tcflush(fd,TCIFLUSH);
tcsetattr(fd,TCSANOW,&newtio);
while (STOP==FALSE)
{
res = read(fd,&buf,1);
buf[res]='\0';
printf("%s",buf);
if (buf[0]=='z') STOP=TRUE;
bzero(&buf,12);
}
tcsetattr(fd,TCSANOW,&oldtio);
return(0);
} |
Pb de transmission en rs232 avec un prog en C
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