/*-------------------------------------------------------------------------
|   rxtx is a native interface to serial ports in java.
|   Copyright 1997 by Trent Jarvi jarvi@ezlink.com.
|
|   This library is free software; you can redistribute it and/or
|   modify it under the terms of the GNU Library General Public
|   License as published by the Free Software Foundation; either
|   version 2 of the License, or (at your option) any later version.
|
|   This library is distributed in the hope that it will be useful,
|   but WITHOUT ANY WARRANTY; without even the implied warranty of
|   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
|   Library General Public License for more details.
|
|   You should have received a copy of the GNU Library General Public
|   License along with this library; if not, write to the Free
|   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
--------------------------------------------------------------------------*/
#include "../../out/config.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/errno.h>
#include <sys/param.h>
#include <termios.h>
#include <string.h>
#ifdef HAVE_FCNTL_H 
#   include <fcntl.h>
#endif 
#include <unistd.h>
#include <stdio.h>

extern int errno;


/*-------------------------------------------------------------------------
|  nothing fancy here.  enter your /dev/, speed, and  a string to send out.
|  serial port is configed, string sent and a loop monitors for return data.
--------------------------------------------------------------------------*/
int main() { 

   char      *port = "/dev/cua0";
   int       speed = 13;  /*9600*/
   char      out[16]= "\x10\x0A\x02\x07\x00\xED\x10\x03";

   struct    termios   ttyset;
   int       ttyp  = -1;
   char      in[2];

   if (ttyp < 0) {
      ttyp = open(port, O_RDWR|O_NDELAY);
      if(ttyp < 0){
         printf("fopen() failed:  %s\n",strerror(errno));
         return(errno);
      }
   }
   if(tcgetattr(ttyp, &ttyset)< 0){
      ttyp = -1;
      printf("tcgetattr() failed\n");
      return(errno);
   }
   cfmakeraw(&ttyset);  
   if (tcsetattr(ttyp, TCSAFLUSH, &ttyset) <0) {
      printf("tcsetattr() failed\n");
      return(-1);
   }
   if (cfsetospeed(&ttyset, speed)<0)
      printf("set output speed failed\n");
   if (cfsetispeed(&ttyset, speed)<0)
      printf("set input speed failed\n");
   printf("Serial port initialized output speed=%d, input speed= %d \n",
          cfgetospeed(&ttyset), cfgetispeed(&ttyset));
   write(ttyp, out,16);
   for(;;) if(read(ttyp,in,2)>0) printf("0x%02X\n",*in);
}