/* $Id: PalmPilot.c,v 1.9 2003/07/24 04:48:09 reinelt Exp $
*
* driver for 3Com Palm Pilot
*
* Copyright 2000 by Michael Reinelt (reinelt@eunet.at)
*
* 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
* $Log: PalmPilot.c,v $
* Revision 1.9 2003/07/24 04:48:09 reinelt
* 'soft clear' needed for virtual rows
*
* Revision 1.8 2003/02/22 07:53:10 reinelt
* cfg_get(key,defval)
*
* Revision 1.7 2002/08/19 04:41:20 reinelt
* introduced bar.c, moved bar stuff from display.h to bar.h
*
* Revision 1.6 2001/04/27 05:04:57 reinelt
*
* replaced OPEN_MAX with sysconf()
* replaced mktemp() with mkstemp()
* unlock serial port if open() fails
*
* Revision 1.5 2001/03/16 16:40:17 ltoetsch
* implemented time bar
*
* Revision 1.4 2001/02/13 09:00:13 reinelt
*
* prepared framework for GPO's (general purpose outputs)
*
* Revision 1.3 2000/08/10 09:44:09 reinelt
*
* new debugging scheme: error(), info(), debug()
* uses syslog if in daemon mode
*
* Revision 1.2 2000/08/09 09:50:29 reinelt
*
* opened 0.98 development
* removed driver-specific signal-handlers
* added 'quit'-function to driver structure
* added global signal-handler
*
* Revision 1.1 2000/05/02 06:05:00 reinelt
*
* driver for 3Com Palm Pilot added
*
*/
/*
*
* exported fuctions:
*
* struct LCD PalmPilot[]
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <termios.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "debug.h"
#include "cfg.h"
#include "lock.h"
#include "display.h"
#include "bar.h"
#include "pixmap.h"
#define BARS ( BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 | BAR_V2 | BAR_T)
static LCD Lcd;
static char *Port=NULL;
static speed_t Speed;
static int Device=-1;
static int pixel=-1;
static int pgap=0;
static int rgap=0;
static int cgap=0;
static int border=0;
static int Palm_open (void)
{
int fd;
pid_t pid;
struct termios portset;
if ((pid=lock_port(Port))!=0) {
if (pid==-1)
error ("PalmPilot: port %s could not be locked", Port);
else
error ("PalmPilot: port %s is locked by process %d", Port, pid);
return -1;
}
fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY);
if (fd==-1) {
error ("PalmPilot: open(%s) failed: %s", Port, strerror(errno));
unlock_port(Port);
return -1;
}
if (tcgetattr(fd, &portset)==-1) {
error ("PalmPilot: tcgetattr(%s) failed: %s", Port, strerror(errno));
unlock_port(Port);
return -1;
}
cfmakeraw(&portset);
cfsetospeed(&portset, Speed);
if (tcsetattr(fd, TCSANOW, &portset)==-1) {
error ("PalmPilot: tcsetattr(%s) failed: %s", Port, strerror(errno));
unlock_port(Port);
return -1;
}
return fd;
}
static void Palm_write (char *string, int len)
{
if (Device==-1) return;
if (write (Device, string, len)==-1) {
if (errno==EAGAIN) {
usleep(1000);
if (write (Device, string, len)>=0) return;
}
error ("PalmPilot: write(%s) failed: %s", Port, strerror(errno));
}
}
int Palm_flush (void)
{
static unsigned char *bitbuf=NULL;
static unsigned char *rowbuf=NULL;
int xsize, ysize, row, col;
xsize=2*border+(Lcd.cols-1)*cgap+Lcd.cols*Lcd.xres*pixel+(Lcd.cols*Lcd.xres-1)*pgap;
ysize=2*border+(Lcd.rows-1)*rgap+Lcd.rows*Lcd.yres*pixel+(Lcd.rows*Lcd.yres-1)*pgap;
if (bitbuf==NULL) {
if ((bitbuf=malloc(xsize*ysize*sizeof(*bitbuf)))==NULL) {
error ("PalmPilot: malloc(%d) failed: %s", xsize*ysize*sizeof(*bitbuf), strerror(errno));
return -1;
}
}
if (rowbuf==NULL) {
if ((rowbuf=malloc(((xsize+7)/8)*sizeof(*rowbuf)))==NULL) {
error ("PalmPilot: malloc(%d) failed: %s", ((xsize+7)/8)*sizeof(*rowbuf), strerror(errno));
return -1;
}
}
memset (bitbuf, 0, xsize*ysize*sizeof(*bitbuf));
for (row=0; row<Lcd.rows*Lcd.yres; row++) {
int y=border+(row/Lcd.yres