/* $Id: MatrixOrbital.c,v 1.21 2001/02/14 07:40:16 reinelt Exp $ * * driver for Matrix Orbital serial display modules * * Copyright 1999, 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: MatrixOrbital.c,v $ * Revision 1.21 2001/02/14 07:40:16 reinelt * * first (incomplete) GPO implementation * * Revision 1.20 2001/02/13 09:00:13 reinelt * * prepared framework for GPO's (general purpose outputs) * * Revision 1.19 2000/08/10 09:44:09 reinelt * * new debugging scheme: error(), info(), debug() * uses syslog if in daemon mode * * Revision 1.18 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 1.17 2000/04/15 11:13:54 reinelt * * added '-d' (debugging) switch * added several debugging messages * removed config entry 'Delay' for HD44780 driver * delay loop for HD44780 will be calibrated automatically * * Revision 1.16 2000/04/13 06:09:52 reinelt * * added BogoMips() to system.c (not used by now, maybe sometimes we can * calibrate our delay loop with this value) * * added delay loop to HD44780 driver. It seems to be quite fast now. Hopefully * no compiler will optimize away the delay loop! * * Revision 1.15 2000/04/12 08:05:45 reinelt * * first version of the HD44780 driver * * Revision 1.14 2000/04/10 04:40:53 reinelt * * minor changes and cleanups * * Revision 1.13 2000/04/07 05:42:20 reinelt * * UUCP style lockfiles for the serial port * * Revision 1.12 2000/03/26 18:46:28 reinelt * * bug in pixmap.c that leaded to empty bars fixed * name conflicts with X11 resolved * * Revision 1.11 2000/03/25 05:50:43 reinelt * * memory leak in Raster_flush closed * driver family logic changed * * Revision 1.10 2000/03/23 07:24:48 reinelt * * PPM driver up and running (but slow!) * * Revision 1.9 2000/03/22 07:33:50 reinelt * * FAQ added * new modules 'processor.c' contains all data processing * * Revision 1.8 2000/03/19 08:41:28 reinelt * * documentation available! README, README.MatrixOrbital, README.Drivers * added Skeleton.c as a starting point for new drivers * * Revision 1.7 2000/03/18 08:07:04 reinelt * * vertical bars implemented * bar compaction improved * memory information implemented * * Revision 1.6 2000/03/17 09:21:42 reinelt * * various memory statistics added * * Revision 1.5 2000/03/13 15:58:24 reinelt * * release 0.9 * moved row parsing to parser.c * all basic work finished * * Revision 1.4 2000/03/10 17:36:02 reinelt * * first unstable but running release * */ /* * * exported fuctions: * * struct LCD MatrixOrbital[] * */ #include #include #include #include #include #include #include #include "debug.h" #include "cfg.h" #include "lock.h" #include "display.h" #define XRES 5 #define YRES 8 #define CHARS 8 #define BARS ( BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 ) typedef struct { int len1; int len2; int type; int segment; } BAR; typedef struct { int len1; int len2; int type; int used; int ascii; } SEGMENT; static LCD Lcd; static char *Port=NULL; static speed_t Speed; static int Device=-1; static char Txt[4][40]; static BAR Bar[4][40]; static int GPO; static int nSegment=2; static SEGMENT Segment[128] = {{ len1:0, len2:0, type:255, used:0, ascii:32 }, { len1:255, len2:255, type:255, used:0, ascii:255 }}; static int MO_open (void) { int fd; pid_t pid; struct termios portset; if ((pid=lock_port(Port))!=0) { if (pid==-1) error ("MatrixOrbital: port %s could not be locked", Port); else error ("MatrixOrbital: port %s is locked by process %d", Port, pid); return -1; } fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY); if (fd==-1) { error ("MatrixOrbital: open(%s) failed: %s", Port, strerror(errno)); return -1; } if (tcgetattr(fd, &portset)==-1) { error ("MatrixOrbital: tcgetattr(%s) failed: %s", Port, strerror(errno)); return -1; } cfmakeraw(&portset); cfsetospeed(&portset, Speed); if (tcsetattr(fd, TCSANOW, &portset)==-1) { error ("MatrixOrbital: tcsetattr(%s) failed: %s", Port, strerror(errno)); return -1; } return fd; } static void MO_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 ("MatrixOrbital: write(%s) failed: %s", Port, strerror(errno)); } } static int MO_contrast (void) { char buffer[4]; int contrast; contrast=atoi(cfg_get("Contrast")?:"160"); snprintf (buffer, 4, "\376P%c", contrast); MO_write (buffer, 3); return 0; } static void MO_process_bars (void) { int row, col; int i, j; for (i=2; i=RES && Segment[j].len1=RES && Segment[j].len2RES) i1=RES; i2=Segment[i].len2; if (i2>RES) i2=RES; j1=Segment[j].len1; if (j1>RES) i1=RES; j2=Segment[j].len2; if (j2>RES) i2=RES; return (i1-i2)*(i1-i2)+(j1-j2)*(j1-j2); } static void MO_compact_bars (void) { int i, j, r, c, min; int pack_i, pack_j; int pass1=1; int deviation[nSegment][nSegment]; if (nSegment>CHARS+2) { for (i=2; iCHARS+2) { min=65535; pack_i=-1; pack_j=-1; for (i=2; imax) len1=max; if (len2<1) len2=1; else if (len2>max) len2=max; switch (type) { case BAR_L: len1=max-len1; len2=max-len2; rev=1; case BAR_R: while (max>0 && col<=Lcd.cols) { Bar[row][col].type=type; Bar[row][col].segment=-1; if (len1>=XRES) { Bar[row][col].len1=rev?0:XRES; len1-=XRES; } else { Bar[row][col].len1=rev?XRES-len1:len1; len1=0; } if (len2>=XRES) { Bar[row][col].len2=rev?0:XRES; len2-=XRES; } else { Bar[row][col].len2=rev?XRES-len2:len2; len2=0; } max-=XRES; col++; } break; case BAR_U: len1=max-len1; len2=max-len2; rev=1; case BAR_D: while (max>0 && row<=Lcd.rows) { Bar[row][col].type=type; Bar[row][col].segment=-1; if (len1>=YRES) { Bar[row][col].len1=rev?0:YRES; len1-=YRES; } else { Bar[row][col].len1=rev?YRES-len1:len1; len1=0; } if (len2>=YRES) { Bar[row][col].len2=rev?0:YRES; len2-=YRES; } else { Bar[row][col].len2=rev?YRES-len2:len2; len2=0; } max-=YRES; row++; } break; } return 0; } int MO_gpo (int num, int val) { if (num>=Lcd.gpos) return -1; if (val) { GPO |= 1< 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 
/* $Id: display.c,v 1.34 2002/12/05 19:09:57 reinelt Exp $
 *
 * framework for device drivers
 *
 * Copyright 1999, 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: display.c,v $
 * Revision 1.34  2002/12/05 19:09:57  reinelt
 * patches for gcc-3.2
 *
 * Revision 1.33  2002/09/11 05:16:33  reinelt
 * added Cwlinux driver
 *
 * Revision 1.32  2002/08/19 04:41:20  reinelt
 * introduced bar.c, moved bar stuff from display.h to bar.h
 *
 * Revision 1.31  2002/08/17 13:10:23  reinelt
 * USBLCD driver added
 *
 * Revision 1.30  2002/04/29 11:00:28  reinelt
 *
 * added Toshiba T6963 driver
 * added ndelay() with nanosecond resolution
 *
 * Revision 1.29  2001/09/10 13:55:53  reinelt
 * M50530 driver
 *
 * Revision 1.28  2001/03/16 16:40:17  ltoetsch
 * implemented time bar
 *
 * Revision 1.27  2001/03/15 14:25:05  ltoetsch
 * added unread/total news
 *
 * Revision 1.26  2001/03/12 12:39:36  reinelt
 *
 * reworked autoconf a lot: drivers may be excluded, #define's went to config.h
 *
 * Revision 1.25  2001/03/09 13:08:11  ltoetsch
 * Added Text driver
 *
 * Revision 1.24  2001/03/01 11:08:16  reinelt
 *
 * reworked configure to allow selection of drivers
 *
 * Revision 1.23  2001/02/14 07:40:16  reinelt
 *
 * first (incomplete) GPO implementation
 *
 * Revision 1.22  2001/02/13 09:00:13  reinelt
 *
 * prepared framework for GPO's (general purpose outputs)
 *
 * Revision 1.21  2000/11/28 16:46:11  reinelt
 *
 * first try to support display of SIN router
 *
 * Revision 1.20  2000/08/10 09:44:09  reinelt
 *
 * new debugging scheme: error(), info(), debug()
 * uses syslog if in daemon mode
 *
 * Revision 1.19  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 1.18  2000/05/02 23:07:48  herp
 * Crystalfontz initial coding
 *
 * Revision 1.17  2000/05/02 06:05:00  reinelt
 *
 * driver for 3Com Palm Pilot added
 *
 * Revision 1.16  2000/04/28 05:19:55  reinelt
 *
 * first release of the Beckmann+Egle driver
 *
 * Revision 1.15  2000/04/12 08:05:45  reinelt
 *
 * first version of the HD44780 driver
 *
 * Revision 1.14  2000/04/03 17:31:52  reinelt
 *
 * suppress welcome message if display is smaller than 20x2
 * change lcd4linux.ppm to 32 pixel high so KDE won't stretch the icon
 *
 * Revision 1.13  2000/03/30 16:46:57  reinelt
 *
 * configure now handles '--with-x' and '--without-x' correct
 *
 * Revision 1.12  2000/03/26 18:46:28  reinelt
 *
 * bug in pixmap.c that leaded to empty bars fixed
 * name conflicts with X11 resolved
 *
 * Revision 1.11  2000/03/25 05:50:43  reinelt
 *
 * memory leak in Raster_flush closed
 * driver family logic changed
 *
 * Revision 1.10  2000/03/23 07:24:48  reinelt
 *
 * PPM driver up and running (but slow!)
 *
 * Revision 1.9  2000/03/22 15:36:21  reinelt
 *
 * added '-l' switch (list drivers)
 * generic pixmap driver added
 * X11 Framework done
 *
 * Revision 1.8  2000/03/19 08:41:28  reinelt
 *
 * documentation available! README, README.MatrixOrbital, README.Drivers
 * added Skeleton.c as a starting point for new drivers
 *
 * Revision 1.7  2000/03/18 08:07:04  reinelt
 *
 * vertical bars implemented
 * bar compaction improved
 * memory information implemented
 *
 * Revision 1.6  2000/03/17 09:21:42  reinelt
 *
 * various memory statistics added
 *
 * Revision 1.5  2000/03/13 15:58:24  reinelt
 *
 * release 0.9
 * moved row parsing to parser.c
 * all basic work finished
 *
 * Revision 1.4  2000/03/10 17:36:02  reinelt
 *
 * first unstable but running release
 *
 * Revision 1.3  2000/03/10 10:49:53  reinelt
 *
 * MatrixOrbital driver finished
 *
 * Revision 1.2  2000/03/06 06:04:06  reinelt
 *
 * minor cleanups
 *
 */

/* 
 * exported functions:
 *
 * lcd_list (void)
 *   lists all available drivers to stdout
 *
 * lcd_init (char *driver)
 *    initializes the named driver
 *
 * lcd_query (int *rows, int *cols, int *xres, int *yres, int *bars, int *gpos)
 *    queries the attributes of the selected driver
 *
 * lcd_clear ()
 *    clears the display
 *
 * int lcd_put (int row, int col, char *text)
 *    writes text at row, col
 *
 * int lcd_bar (int type, int row, int col, int max, int len1, int len2)
 *    draws a specified bar at row, col with len
 *
 * int lcd_gpo (int num, int val)
 *    sets GPO #num to val
 *
 * int lcd_flush (void)
 *    flushes the framebuffer to the display
 *
 * int lcd_quit (void)
 *    de-initializes the driver
 */

#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>

#include "debug.h"
#include "cfg.h"
#include "display.h"
#include "bar.h"

extern LCD BeckmannEgle[];
extern LCD Crystalfontz[];
extern LCD Cwlinux[];
extern LCD HD44780[];
extern LCD M50530[];
extern LCD T6963[];
extern LCD USBLCD[];
extern LCD MatrixOrbital[];
extern LCD PalmPilot[];
extern LCD Raster[];
extern LCD SIN[];
extern LCD Skeleton[];
extern LCD XWindow[];
extern LCD Text[];

FAMILY Driver[] = {
#ifdef WITH_BECKMANNEGLE
  { "Beckmann+Egle", BeckmannEgle },
#endif
#ifdef WITH_CRYSTALFONTZ
  { "Crystalfontz", Crystalfontz },
#endif
#ifdef WITH_CWLINUX
  { "Cwlinux", Cwlinux },
#endif
#ifdef WITH_HD44780
  { "HD 44780 based", HD44780 },
#endif
#ifdef WITH_M50530
  { "M50530 based", M50530 },
#endif
#ifdef WITH_T6963
  { "T6963 based", T6963 },
#endif
#ifdef WITH_USBLCD
  { "USBLCD", USBLCD },
#endif
#ifdef WITH_MATRIXORBITAL
  { "Matrix Orbital", MatrixOrbital },
#endif
#ifdef WITH_PALMPILOT
  { "3Com Palm Pilot", PalmPilot },
#endif
#if defined (WITH_PNG) || defined(WITH_PPM)
  { "Raster", Raster },
#endif
#ifdef WITH_SIN
  { "SIN Router", SIN },
#endif
#ifdef WITH_SKELETON
  { "Skeleton", Skeleton },
#endif
#ifdef WITH_X11
  { "X Window System", XWindow },
#endif
#ifdef WITH_TEXT
  { "ncurses Text", Text },
#endif
  { NULL }
};


static LCD *Lcd = NULL;

int lcd_list (void)
{
  int i, j;

  printf ("available display drivers:");
  
  for (i=0; Driver[i].name; i++) {
    printf ("\n   %-16s:", Driver[i].name);
    for (j=0; Driver[i].Model[j].name; j++) {
      printf (" %s", Driver[i].Model[j].name);
    }
  }
  printf ("\n");
  return 0;
}

int lcd_init (char *driver)
{
  int i, j;
  for (i=0; Driver[i].name; i++) {
    for (j=0; Driver[i].Model[j].name; j++) {
      if (strcmp (Driver[i].Model[j].name, driver)==0) {
	Lcd=&Driver[i].Model[j];
	if (Lcd->init==NULL) return 0;
	return Lcd->init(Lcd);
      }
    }
  }
  error ("lcd_init(%s) failed: no such display", driver);
  return -1;
}

int lcd_query (int *rows, int *cols, int *xres, int *yres, int *bars, int *gpos)
{
  if (Lcd==NULL)
    return -1;
  
  if (rows) *rows=Lcd->rows;
  if (cols) *cols=Lcd->cols;
  if (xres) *xres=Lcd->xres;
  if (yres) *yres=Lcd->yres;
  if (bars) *bars=Lcd->bars;
  if (gpos) *gpos=Lcd->gpos;

  return 0;
}

int lcd_clear (void)
{
  if (Lcd->clear==NULL) return 0;
  return Lcd->clear();
}

int lcd_put (int row, int col, char *text)
{
  if (row<1 || row>Lcd->rows) return -1;
  if (col<1 || col>Lcd->cols) return -1;
  if (Lcd->put==NULL) return 0;
  return Lcd->put(row-1, col-1, text);
}

int lcd_bar (int type, int row, int col, int max, int len1, int len2)
{
  if (row<1 || row>Lcd->rows) return -1;
  if (col<1 || col>Lcd->cols) return -1;
  if (!(type & (BAR_H2 | BAR_V2 | BAR_T))) len2=len1;
  if (type & BAR_LOG) {
    len1=(double)max*log(len1+1)/log(max); 
    if (!(type & BAR_T))
      len2=(double)max*log(len2+1)/log(max); 
  }
  if (Lcd->put==NULL) return 0;
  return Lcd->bar (type & BAR_HV, row-1, col-1, max, len1, len2);
}

int lcd_gpo (int num, int val)
{
  if (num<1 || num>Lcd->gpos) return -1;
  if (Lcd->gpo==NULL) return 0;
  return Lcd->gpo(num-1, val);
}

int lcd_flush (void)
{
  if (Lcd->flush==NULL) return 0;
  return Lcd->flush();
}

int lcd_quit (void)
{
  if (Lcd->quit==NULL) return 0;
  return Lcd->quit();
}