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-rw-r--r--Crystalfontz.c477
1 files changed, 0 insertions, 477 deletions
diff --git a/Crystalfontz.c b/Crystalfontz.c
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--- a/Crystalfontz.c
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@@ -1,477 +0,0 @@
-/* $Id: Crystalfontz.c,v 1.20 2004/01/30 20:57:55 reinelt Exp $
- *
- * driver for display modules from Crystalfontz
- *
- * Copyright 2000 Herbert Rosmanith <herp@wildsau.idv.uni-linz.ac.at>
- *
- * This file is part of LCD4Linux.
- *
- * LCD4Linux 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.
- *
- * LCD4Linux 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: Crystalfontz.c,v $
- * Revision 1.20 2004/01/30 20:57:55 reinelt
- * HD44780 patch from Martin Hejl
- * dmalloc integrated
- *
- * Revision 1.19 2004/01/29 04:40:02 reinelt
- * every .c file includes "config.h" now
- *
- * Revision 1.18 2004/01/09 04:16:06 reinelt
- * added 'section' argument to cfg_get(), but NULLed it on all calls by now.
- *
- * Revision 1.17 2003/11/16 09:45:49 reinelt
- * Crystalfontz changes, small glitch in getopt() fixed
- *
- * Revision 1.16 2003/10/05 17:58:50 reinelt
- * libtool junk; copyright messages cleaned up
- *
- * Revision 1.15 2003/09/13 06:45:43 reinelt
- * icons for all remaining drivers
- *
- * Revision 1.14 2003/09/09 06:54:43 reinelt
- * new function 'cfg_number()'
- *
- * Revision 1.13 2003/08/24 05:17:58 reinelt
- * liblcd4linux patch from Patrick Schemitz
- *
- * Revision 1.12 2003/08/19 04:28:41 reinelt
- * more Icon stuff, minor glitches fixed
- *
- * Revision 1.11 2003/08/17 06:57:04 reinelt
- * complete rewrite of the Crystalfontz driver
- *
- * Revision 1.10 2003/07/24 04:48:09 reinelt
- * 'soft clear' needed for virtual rows
- *
- * Revision 1.9 2003/02/22 07:53:09 reinelt
- * cfg_get(key,defval)
- *
- * Revision 1.8 2002/08/19 04:41:20 reinelt
- * introduced bar.c, moved bar stuff from display.h to bar.h
- *
- * Revision 1.7 2001/04/27 05:04:57 reinelt
- *
- * replaced OPEN_MAX with sysconf()
- * replaced mktemp() with mkstemp()
- * unlock serial port if open() fails
- *
- * Revision 1.6 2001/02/13 09:00:13 reinelt
- *
- * prepared framework for GPO's (general purpose outputs)
- *
- * Revision 1.5 2000/08/10 09:44:09 reinelt
- *
- * new debugging scheme: error(), info(), debug()
- * uses syslog if in daemon mode
- *
- * Revision 1.4 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 1.3 2000/06/04 21:43:50 herp
- * minor bugfix (zero length)
- *
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <termios.h>
-#include <fcntl.h>
-
-#include "debug.h"
-#include "cfg.h"
-#include "lock.h"
-#include "display.h"
-#include "bar.h"
-#include "icon.h"
-
-#ifdef WITH_DMALLOC
-#include <dmalloc.h>
-#endif
-
-#define XRES 6
-#define YRES 8
-#define CHARS 8
-
-static LCD Lcd;
-static char *Port=NULL;
-static speed_t Speed;
-static int Device=-1;
-static int Icons;
-static int GPO;
-
-static char *FrameBuffer1=NULL;
-static char *FrameBuffer2=NULL;
-
-
-static int CF_open (void)
-{
- int fd;
- pid_t pid;
- struct termios portset;
-
- if ((pid=lock_port(Port))!=0) {
- if (pid==-1)
- error ("Crystalfontz: port %s could not be locked", Port);
- else
- error ("Crystalfontz: port %s is locked by process %d", Port, pid);
- return -1;
- }
- fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY);
- if (fd==-1) {
- error ("Crystalfontz: open(%s) failed: %s", Port, strerror(errno));
- unlock_port(Port);
- return -1;
- }
- if (tcgetattr(fd, &portset)==-1) {
- error ("Crystalfontz: tcgetattr(%s) failed: %s", Port, strerror(errno));
- unlock_port(Port);
- return -1;
- }
- cfmakeraw(&portset);
- cfsetospeed(&portset, Speed);
- if (tcsetattr(fd, TCSANOW, &portset)==-1) {
- error ("Crystalfontz: tcsetattr(%s) failed: %s", Port, strerror(errno));
- unlock_port(Port);
- return -1;
- }
- return fd;
-}
-
-
-static void CF_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 ("Crystalfontz: write(%s) failed: %s", Port, strerror(errno));
- }
-}
-
-
-static int CF_backlight (void)
-{
- char buffer[3];
- int backlight;
-
- if (cfg_number(NULL, "Backlight", 0, 0, 100, &backlight)<0) return -1;
- snprintf (buffer, 3, "\016%c", backlight);
- CF_write (buffer, 2);
- return 0;
-}
-
-
-static int CF_contrast (void)
-{
- char buffer[3];
- int contrast;
-
- if (cfg_number(NULL, "Contrast", 50, 0, 100, &contrast)<0) return -1;
- snprintf (buffer, 3, "\017%c", contrast);
- CF_write (buffer, 2);
- return 0;
-}
-
-
-static void CF_define_char (int ascii, char *buffer)
-{
- char cmd[2]="\031"; // set custom char bitmap
-
- cmd[1]=(char)ascii;
- CF_write (cmd, 2);
- CF_write (buffer, 8);
-}
-
-
-static int CF_clear (int full)
-{
- memset (FrameBuffer1, ' ', Lcd.rows*Lcd.cols*sizeof(char));
-
- icon_clear();
- bar_clear();
- GPO=0;
-
- if (full) {
- memset (FrameBuffer2, ' ', Lcd.rows*Lcd.cols*sizeof(char));
- CF_write ("\014", 1); // Form Feed (Clear Display)
- }
-
- return 0;
-}
-
-
-static int CF_init (LCD *Self)
-{
- char *port;
- int speed;
-
- Lcd=*Self;
-
- // Init the framebuffers
- FrameBuffer1 = (char*)malloc(Lcd.cols*Lcd.rows*sizeof(char));
- FrameBuffer2 = (char*)malloc(Lcd.cols*Lcd.rows*sizeof(char));
- if (FrameBuffer1==NULL || FrameBuffer2==NULL) {
- error ("Crystalfontz: framebuffer could not be allocated: malloc() failed");
- return -1;
- }
-
- if (Port) {
- free (Port);
- Port=NULL;
- }
-
- port=cfg_get (NULL, "Port", NULL);
- if (port==NULL || *port=='\0') {
- error ("Crystalfontz: no 'Port' entry in %s", cfg_source());
- return -1;
- }
- Port=strdup(port);
-
-
- if (cfg_number(NULL, "Speed", 19200, 1200,19200, &speed)<0) return -1;
-
- switch (speed) {
- case 1200:
- Speed=B1200;
- break;
- case 2400:
- Speed=B2400;
- break;
- case 9600:
- Speed=B9600;
- break;
- case 19200:
- Speed=B19200;
- break;
- default:
- error ("Crystalfontz: unsupported speed '%d' in %s", speed, cfg_source());
- return -1;
- }
-
- debug ("using port %s at %d baud", Port, speed);
-
- Device=CF_open();
- if (Device==-1) return -1;
-
- if (cfg_number(NULL, "Icons", 0, 0, CHARS, &Icons)<0) return -1;
- if (Icons>0) {
- debug ("reserving %d of %d user-defined characters for icons", Icons, CHARS);
- icon_init(Lcd.rows, Lcd.cols, XRES, YRES, CHARS, Icons, CF_define_char);
- Self->icons=Icons;
- Lcd.icons=Icons;
- }
-
- bar_init(Lcd.rows, Lcd.cols, XRES, YRES, CHARS-Icons);
- bar_add_segment( 0, 0,255, 32); // ASCII 32 = blank
- // Fixme
- // bar_add_segment(255,255,255,255); // ASCII 255 = block
-
- // MR: why such a large delay?
- usleep(350*1000);
-
- CF_clear(1);
-
- CF_write ("\004", 1); // hide cursor
- CF_write ("\024", 1); // scroll off
- CF_write ("\030", 1); // wrap off
-
- CF_backlight();
- CF_contrast();
-
- return 0;
-}
-
-
-void CF_goto (int row, int col)
-{
- char cmd[3]="\021"; // set cursor position
-
- if (row==0 && col==0) {
- CF_write ("\001", 1); // cursor home
- } else {
- cmd[1]=(char)col;
- cmd[2]=(char)row;
- CF_write(cmd,3);
- }
-}
-
-
-int CF_put (int row, int col, char *text)
-{
- char *p=FrameBuffer1+row*Lcd.cols+col;
- char *t=text;
-
- while (*t && col++<=Lcd.cols) {
- *p++=*t++;
- }
- return 0;
-}
-
-
-int CF_bar (int type, int row, int col, int max, int len1, int len2)
-{
- return bar_draw (type, row, col, max, len1, len2);
-}
-
-
-int CF_icon (int num, int seq, int row, int col)
-{
- return icon_draw (num, seq, row, col);
-}
-
-
-static int CF_flush (void)
-{
- int row, col, pos1, pos2;
- int c, equal;
-
- bar_process(CF_define_char);
-
- for (row=0; row<Lcd.rows; row++) {
- for (col=0; col<Lcd.cols; col++) {
- c=bar_peek(row, col);
- if (c==-1) c=icon_peek(row, col);
- if (c!=-1) {
- if (c!=32) c+=128; // non-blank
- FrameBuffer1[row*Lcd.cols+col]=(char)c;
- }
- }
- for (col=0; col<Lcd.cols; col++) {
- if (FrameBuffer1[row*Lcd.cols+col]==FrameBuffer2[row*Lcd.cols+col]) continue;
- CF_goto (row, col);
- for (pos1=col++, pos2=pos1, equal=0; col<Lcd.cols; col++) {
- if (FrameBuffer1[row*Lcd.cols+col]==FrameBuffer2[row*Lcd.cols+col]) {
- // If we find just one equal byte, we don't break, because this
- // would require a goto, which takes one byte, too.
- if (++equal>4) break;
- } else {
- pos2=col;
- equal=0;
- }
- }
- CF_write (FrameBuffer1+row*Lcd.cols+pos1, pos2-pos1+1);
- }
- }
-
- memcpy (FrameBuffer2, FrameBuffer1, Lcd.rows*Lcd.cols*sizeof(char));
-
- return 0;
-}
-
-
-int CF_quit (void)
-{
- info("Crystalfontz: shutting down.");
-
- debug ("closing port %s", Port);
- close (Device);
- unlock_port(Port);
-
- if (FrameBuffer1) {
- free(FrameBuffer1);
- FrameBuffer1=NULL;
- }
-
- if (FrameBuffer2) {
- free(FrameBuffer2);
- FrameBuffer2=NULL;
- }
-
- return (0);
-}
-
-
-LCD Crystalfontz[] = {
- { name: "626",
- rows: 2,
- cols: 16,
- xres: XRES,
- yres: YRES,
- bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2,
- icons: 0,
- gpos: 0,
- init: CF_init,
- clear: CF_clear,
- put: CF_put,
- bar: CF_bar,
- icon: CF_icon,
- gpo: NULL,
- flush: CF_flush,
- quit: CF_quit
- },
- { name: "636",
- rows: 2,
- cols: 16,
- xres: XRES,
- yres: YRES,
- bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2,
- icons: 0,
- gpos: 0,
- init: CF_init,
- clear: CF_clear,
- put: CF_put,
- bar: CF_bar,
- icon: CF_icon,
- gpo: NULL,
- flush: CF_flush,
- quit: CF_quit
- },
- { name: "632",
- rows: 2,
- cols: 16,
- xres: XRES,
- yres: YRES,
- bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2,
- icons: 0,
- gpos: 0,
- init: CF_init,
- clear: CF_clear,
- put: CF_put,
- bar: CF_bar,
- icon: CF_icon,
- gpo: NULL,
- flush: CF_flush,
- quit: CF_quit
- },
- { name: "634",
- rows: 4,
- cols: 20,
- xres: XRES,
- yres: YRES,
- bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2,
- icons: 0,
- gpos: 0,
- init: CF_init,
- clear: CF_clear,
- put: CF_put,
- bar: CF_bar,
- icon: CF_icon,
- gpo: NULL,
- flush: CF_flush,
- quit: CF_quit
- },
- { NULL }
-};
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