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/* jpnevulator - serial reader/writer
* Copyright (C) 2006-2014 Freddy Spierenburg
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <termios.h>
#include <sys/ioctl.h>
#include "jpnevulator.h"
#include "interface.h"
#include "tty.h"
static int ttyOpen(char *name,int length) {
int fd;
struct termios options;
fd=open(name,O_RDWR);
if(fd!=-1) {
/* Make sure we send to a raw serial interface! */
fcntl(fd,F_SETFL,0);
tcgetattr(fd,&options);
cfmakeraw(&options);
tcsetattr(fd,TCSANOW,&options);
}
return(fd);
}
static int ttyControlGet(int fd,char *name) {
int control;
control=0;
if(ioctl(fd,TIOCMGET,&control)) {
char error[256];
sprintf(error,"%s: Can't get the modem control bits of interface %s",PROGRAM_NAME,name);
perror(error);
}
return control;
}
static void ttyControlWrite(FILE *output,int control) {
fprintf(
output,
"le=%d, dtr=%d, rts=%d, st=%d, sr=%d, cts=%d, cd=%d, ri=%d, dsr=%d\n",
control&TIOCM_LE?1:0,
control&TIOCM_DTR?1:0,
control&TIOCM_RTS?1:0,
control&TIOCM_ST?1:0,
control&TIOCM_SR?1:0,
control&TIOCM_CTS?1:0,
control&TIOCM_CD?1:0,
control&TIOCM_RI?1:0,
control&TIOCM_DSR?1:0
);
}
static void ttyClose(int fd) {
close(fd);
}
enum interfaceRtrn ttyAdd(char *name) {
return(interfaceAdd(name,ttyOpen,ttyControlGet,ttyControlWrite,ttyClose));
}
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