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Diffstat (limited to 'BeckmannEgle.c')
-rw-r--r-- | BeckmannEgle.c | 440 |
1 files changed, 0 insertions, 440 deletions
diff --git a/BeckmannEgle.c b/BeckmannEgle.c deleted file mode 100644 index 1969d78..0000000 --- a/BeckmannEgle.c +++ /dev/null @@ -1,440 +0,0 @@ -/* $Id: BeckmannEgle.c,v 1.20 2004/01/30 20:57:55 reinelt Exp $ - * - * driver for Beckmann+Egle mini terminals - * - * Copyright 2000 Michael Reinelt <reinelt@eunet.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: BeckmannEgle.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 2003/10/05 17:58:50 reinelt - * libtool junk; copyright messages cleaned up - * - * Revision 1.16 2003/09/13 06:45:43 reinelt - * icons for all remaining drivers - * - * Revision 1.15 2003/08/24 05:17:58 reinelt - * liblcd4linux patch from Patrick Schemitz - * - * Revision 1.14 2003/08/16 07:31:35 reinelt - * double buffering in all drivers - * - * Revision 1.13 2003/07/24 04:48:09 reinelt - * 'soft clear' needed for virtual rows - * - * Revision 1.12 2003/02/22 07:53:09 reinelt - * cfg_get(key,defval) - * - * Revision 1.11 2002/08/22 05:51:36 reinelt - * cosmetic changes - * - * Revision 1.10 2002/08/19 10:51:06 reinelt - * M50530 driver using new generic bar functions - * - * Revision 1.9 2002/08/19 09:43:43 reinelt - * BeckmannEgle using new generic bar functions - * - * Revision 1.8 2002/08/19 07:36:29 reinelt - * - * finished bar.c, USBLCD is the first driver that uses the generic bar functions - * - * 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 2001/02/13 09:00:13 reinelt - * prepared framework for GPO's (general purpose outputs) - * - * Revision 1.4 2000/08/10 09:44:09 reinelt - * new debugging scheme: error(), info(), debug() - * uses syslog if in daemon mode - * - * Revision 1.3 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 1.2 2000/04/30 06:40:42 reinelt - * bars for Beckmann+Egle driver - * - * Revision 1.1 2000/04/28 05:19:55 reinelt - * first release of the Beckmann+Egle driver - * - */ - -/* - * - * exported fuctions: - * - * struct LCD BeckmannEgle[] - * - */ - -#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 5 -#define YRES 8 -#define CHARS 8 - -typedef struct { - int cols; - int rows; - int type; -} MODEL; - -static LCD Lcd; -static char *Port=NULL; -static int Device=-1; -static int Type=-1; -static int Icons; - -static char *FrameBuffer1=NULL; -static char *FrameBuffer2=NULL; - -static MODEL Model[]= {{ 16, 1, 0 }, - { 16, 2, 1 }, - { 16, 4, 2 }, - { 20, 1, 3 }, - { 20, 2, 4 }, - { 20, 4, 5 }, - { 24, 1, 6 }, - { 24, 2, 7 }, - { 32, 1, 8 }, - { 32, 2, 9 }, - { 40, 1, 10 }, - { 40, 2, 11 }, - { 40, 4, 12 }, - { 0, 0, 0 }}; - - - - -static int BE_open (void) -{ - int fd; - pid_t pid; - struct termios portset; - - if ((pid=lock_port(Port))!=0) { - if (pid==-1) - error ("BeckmannEgle: port %s could not be locked", Port); - else - error ("BeckmannEgle: port %s is locked by process %d", Port, pid); - return -1; - } - fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY); - if (fd==-1) { - error ("BeckmannEgle: open(%s) failed: %s", Port, strerror(errno)); - unlock_port(Port); - return -1; - } - if (tcgetattr(fd, &portset)==-1) { - error ("BeckmannEgle: tcgetattr(%s) failed: %s", Port, strerror(errno)); - unlock_port(Port); - return -1; - } - cfmakeraw(&portset); // 8N1 - portset.c_cflag |= CSTOPB; // 2 stop bits - cfsetospeed(&portset, B9600); // 9600 baud - if (tcsetattr(fd, TCSANOW, &portset)==-1) { - error ("BeckmannEgle: tcsetattr(%s) failed: %s", Port, strerror(errno)); - unlock_port(Port); - return -1; - } - return fd; -} - - -static void BE_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 ("BeckmannEgle: write(%s) failed: %s", Port, strerror(errno)); - } -} - - -static void BE_define_char (int ascii, char *buffer) -{ - int i; - char cmd[32]; - char *p; - - p=cmd; - *p++='\033'; - *p++='&'; - *p++='T'; // enter transparent mode - *p++='\0'; // write cmd - *p++=0x40|8*ascii; // write CGRAM - for (i=0; i<YRES; i++) { - *p++='\1'; // write data - *p++=buffer[i]; // character bitmap - } - *p++='\377'; // leave transparent mode - - BE_write (cmd, p-cmd); - -} - - -int BE_clear (int full) -{ - - memset (FrameBuffer1, ' ', Lcd.rows*Lcd.cols*sizeof(char)); - - icon_clear(); - bar_clear(); - - if (full) { - memset (FrameBuffer2, ' ', Lcd.rows*Lcd.cols*sizeof(char)); - BE_write ("\033&#", 3); - } - - return 0; -} - - -int BE_init (LCD *Self) -{ - int i, rows=-1, cols=-1; - char *port, *s; - char buffer[5]; - - if (Port) { - free (Port); - Port=NULL; - } - - port=cfg_get (NULL, "Port", NULL); - if (port==NULL || *port=='\0') { - error ("BeckmannEgle: no 'Port' entry in %s", cfg_source()); - return -1; - } - Port=strdup(port); - - s=cfg_get(NULL, "Type", NULL); - if (s==NULL || *s=='\0') { - error ("BeckmannEgle: no 'Type' entry in %s", cfg_source()); - return -1; - } - if (sscanf(s,"%dx%d",&cols,&rows)!=2 || rows<1 || cols<1) { - error ("BeckmannEgle: bad type '%s'", s); - return -1; - } - - Type=-1; - for (i=0; Model[i].cols; i++) { - if (Model[i].cols==cols && Model[i].rows==rows) { - Type=Model[i].type; - break; - } - } - if (Type==-1) { - error ("BeckmannEgle: unsupported model '%dx%d'", cols, rows); - return -1; - } - - debug ("using %dx%d display at port %s", cols, rows, Port); - - Self->rows=rows; - Self->cols=cols; - 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 ("BeckmannEgle: framebuffer could not be allocated: malloc() failed"); - return -1; - } - - Device=BE_open(); - if (Device==-1) return -1; - - snprintf (buffer, sizeof(buffer), "\033&s%c", Type); - BE_write (buffer, 4); // select display type - BE_write ("\033&D", 3); // cursor off - - if (cfg_number("", "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, BE_define_char); - Self->icons=Icons; - Lcd.icons=Icons; - } - - bar_init(rows, cols, XRES, YRES, CHARS-Icons); - bar_add_segment( 0, 0,255, 32); // ASCII 32 = blank - bar_add_segment(255,255,255,255); // ASCII 255 = block - - BE_clear(1); - - return 0; -} - -void BE_goto (int row, int col) -{ - char cmd[7]="\033[y;xH"; - cmd[2]=(char)row; - cmd[4]=(char)col; - BE_write (cmd, 6); -} - - -int BE_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 BE_bar (int type, int row, int col, int max, int len1, int len2) -{ - return bar_draw (type, row, col, max, len1, len2); -} - - -int BE_icon (int num, int seq, int row, int col) -{ - return icon_draw (num, seq, row, col); -} - - -int BE_flush (void) -{ - int row, col, pos1, pos2; - int c, equal; - - bar_process(BE_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) { - 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; - BE_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 some bytes, too. - if (++equal>5) break; - } else { - pos2=col; - equal=0; - } - } - BE_write (FrameBuffer1+row*Lcd.cols+pos1, pos2-pos1+1); - } - } - - memcpy (FrameBuffer2, FrameBuffer1, Lcd.rows*Lcd.cols*sizeof(char)); - - return 0; -} - - -int BE_quit (void) -{ - debug ("closing port %s", Port); - close (Device); - unlock_port(Port); - - info("BeckmannEgle: shutting down."); - - if (FrameBuffer1) { - free(FrameBuffer1); - FrameBuffer1=NULL; - } - - if (FrameBuffer2) { - free(FrameBuffer2); - FrameBuffer2=NULL; - } - - return 0; -} - - -LCD BeckmannEgle[] = { - { name: "BLC100x", - rows: 0, - cols: 0, - xres: XRES, - yres: YRES, - bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2, - icons: 0, - gpos: 0, - init: BE_init, - clear: BE_clear, - put: BE_put, - bar: BE_bar, - icon: BE_icon, - gpo: NULL, - flush: BE_flush, - quit: BE_quit - }, - { NULL } -}; 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