[lcd4linux @ 2004-02-15 08:22:47 by reinelt]

ported USBLCD driver to NextGeneration
added drv_M50530.c (I forgot yesterday, sorry)
removed old drivers M50530.c and USBLCD.c

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@366 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

1 files changed, 0 insertions, 401 deletions

diff --git a/M50530.c b/M50530.c
deleted file mode 100644
index eec199d..0000000
--- a/M50530.c
+++ /dev/null
@@ -1,401 +0,0 @@
-/* $Id: M50530.c,v 1.18 2004/01/30 20:57:55 reinelt Exp $
- *
- * driver for display modules based on the M50530 chip
- *
- * Copyright 1999, 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: M50530.c,v $
- * Revision 1.18  2004/01/30 20:57:55  reinelt
- * HD44780 patch from Martin Hejl
- * dmalloc integrated
- *
- * Revision 1.17  2004/01/09 04:16:06  reinelt
- * added 'section' argument to cfg_get(), but NULLed it on all calls by now.
- *
- * Revision 1.16  2003/10/05 17:58:50  reinelt
- * libtool junk; copyright messages cleaned up
- *
- * Revision 1.15  2003/09/11 04:09:53  reinelt
- * minor cleanups
- *
- * Revision 1.14  2003/09/10 03:48:22  reinelt
- * Icons for M50530, new processing scheme (Ticks.Text...)
- *
- * Revision 1.13  2003/09/09 06:54:43  reinelt
- * new function 'cfg_number()'
- *
- * Revision 1.12  2003/08/24 05:17:58  reinelt
- * liblcd4linux patch from Patrick Schemitz
- *
- * Revision 1.11  2003/08/16 07:31:35  reinelt
- * double buffering in all drivers
- *
- * Revision 1.10  2003/08/15 07:54:07  reinelt
- * HD44780 4 bit mode implemented
- *
- * Revision 1.9  2003/07/24 04:48:09  reinelt
- * 'soft clear' needed for virtual rows
- *
- * Revision 1.8  2003/04/07 06:02:59  reinelt
- * further parallel port abstraction
- *
- * Revision 1.7  2003/04/04 06:01:59  reinelt
- * new parallel port abstraction scheme
- *
- * Revision 1.6  2003/02/22 07:53:10  reinelt
- * cfg_get(key,defval)
- *
- * Revision 1.5  2002/08/19 10:51:06  reinelt
- * M50530 driver using new generic bar functions
- *
- * Revision 1.4  2002/08/19 07:36:29  reinelt
- *
- * finished bar.c, USBLCD is the first driver that uses the generic bar functions
- *
- * Revision 1.3  2002/08/19 04:41:20  reinelt
- * introduced bar.c, moved bar stuff from display.h to bar.h
- *
- * Revision 1.2  2002/04/30 07:20:15  reinelt
- *
- * implemented the new ndelay(nanoseconds) in all parallel port drivers
- *
- * Revision 1.1  2001/09/11 05:31:37  reinelt
- * M50530 driver
- *
- *
- */
-
-/* 
- *
- * exported fuctions:
- *
- * struct LCD M50530[]
- *
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "debug.h"
-#include "cfg.h"
-#include "display.h"
-#include "bar.h"
-#include "icon.h"
-#include "parport.h"
-#include "udelay.h"
-
-#ifdef WITH_DMALLOC
-#include <dmalloc.h>
-#endif
-
-#define XRES 5
-#define YRES 8
-#define CHARS 8
-
-static LCD Lcd;
-static int GPO=0;
-static int Icons;
-
-static char *FrameBuffer1=NULL;
-static char *FrameBuffer2=NULL;
-
-
-static unsigned char SIGNAL_EX;
-static unsigned char SIGNAL_IOC1;
-static unsigned char SIGNAL_IOC2;
-static unsigned char SIGNAL_GPO;
-
-static void M5_command (unsigned int cmd, int delay)
-{
-    
-  // put data on DB1..DB8
-  parport_data (cmd&0xff);
-    
-  // set I/OC1 (Select inverted)
-  // set I/OC2 (AutoFeed inverted)
-  parport_control (SIGNAL_IOC1|SIGNAL_IOC2, 
-		   (cmd&0x200?SIGNAL_IOC1:0) | 
-		   (cmd&0x100?SIGNAL_IOC2:0));
-
-  // Control data setup time
-  ndelay(200);
-
-  // send command
-  // EX signal pulse width = 500ns
-  // Fixme: why 500 ns? Datasheet says 200ns
-  parport_toggle (SIGNAL_EX, 1, 500);
-
-  // wait
-  udelay(delay);
-
-}
-
-
-static void M5_write (unsigned char *string, int len)
-{
-  unsigned int cmd;
-
-  while (len--) {
-    cmd=*string++;
-    M5_command (0x100|cmd, 20);
-  }
-}
-
-
-static void M5_setGPO (int bits)
-{
-  if (Lcd.gpos>0) {
-
-    // put data on DB1..DB8
-    parport_data (bits);
-
-    // 74HCT573 set-up time
-    ndelay(20);
-    
-    // send data
-    // 74HCT573 enable pulse width = 24ns
-    parport_toggle (SIGNAL_GPO, 1, 24);
-  }
-}
-
-
-static void M5_define_char (int ascii, char *buffer)
-{
-  M5_command (0x300+192+8*ascii, 20);
-  M5_write (buffer, 8);
-}
-
-
-int M5_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));
-    M5_command (0x0001, 1250); // clear display
-    M5_setGPO (GPO);           // All GPO's off
-  }
-  
-  return 0;
-}
-
-
-int M5_init (LCD *Self)
-{
-  int rows=-1, cols=-1, gpos=-1;
-  char *s;
-  
-  s=cfg_get(NULL, "Size", NULL);
-  if (s==NULL || *s=='\0') {
-    error ("M50530: no 'Size' entry in %s", cfg_source());
-    return -1;
-  }
-  if (sscanf(s,"%dx%d",&cols,&rows)!=2 || rows<1 || cols<1) {
-    error ("M50530: bad size '%s'",s);
-    return -1;
-  }
-
-  if (cfg_number(NULL, "GPOs", 0, 0, 8, &gpos)<0) return -1;
-  
-  Self->rows=rows;
-  Self->cols=cols;
-  Self->gpos=gpos;
-  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 ("HD44780: framebuffer could not be allocated: malloc() failed");
-    return -1;
-  }
-
-  if ((SIGNAL_EX   = parport_wire_ctrl ("EX",   "STROBE"))==0xff) return -1;
-  if ((SIGNAL_IOC1 = parport_wire_ctrl ("IOC1", "SELECT"))==0xff) return -1;
-  if ((SIGNAL_IOC2 = parport_wire_ctrl ("IOC2", "AUTOFD"))==0xff) return -1;
-  if ((SIGNAL_GPO  = parport_wire_ctrl ("GPO",  "INIT")  )==0xff) return -1;
-  
-  if (parport_open() != 0) {
-    error ("M50530: could not initialize parallel port!");
-    return -1;
-  }
-  
-  // set direction: write
-  parport_direction (0);
-
-  // initialize display
-  M5_command (0x00FA, 20); // set function mode
-  M5_command (0x0020, 20); // set display mode
-  M5_command (0x0050, 20); // set entry mode
-  M5_command (0x0030, 20); // set display mode
-  
-  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, M5_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
-  
-  M5_clear(1);
-  
-  return 0;
-}
-
-
-void M5_goto (int row, int col)
-{
-  int pos;
-
-  pos=row*48+col;
-  if (row>3) pos-=168;
-  M5_command (0x300|pos, 20);
-}
-
-
-int M5_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 M5_bar (int type, int row, int col, int max, int len1, int len2)
-{
-  return bar_draw (type, row, col, max, len1, len2);
-}
-
-
-int M5_icon (int num, int seq, int row, int col)
-{
-  return icon_draw (num, seq, row, col);
-}
-
-
-int M5_gpo (int num, int val)
-{
-  if (num>=Lcd.gpos) 
-    return -1;
-
-  if (val) {
-    GPO |= 1<<num;     // set bit
-  } else {
-    GPO &= ~(1<<num);  // clear bit
-  }
-  return 0;
-}
-
-
-int M5_flush (void)
-{
-  int row, col, pos1, pos2;
-  int c, equal;
-  
-  bar_process(M5_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+=248; //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;
-      M5_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>2) break;
-	} else {
-	  pos2=col;
-	  equal=0;
-	}
-      }
-      M5_write (FrameBuffer1+row*Lcd.cols+pos1, pos2-pos1+1);
-    }
-  }
-  
-  memcpy (FrameBuffer2, FrameBuffer1, Lcd.rows*Lcd.cols*sizeof(char));
-
-  M5_setGPO(GPO);
-
-  return 0;
-}
-
-
-int M5_quit (void)
-{
-  info("M50530: shutting down.");
-
-  if (FrameBuffer1) {
-    free(FrameBuffer1);
-    FrameBuffer1=NULL;
-  }
-
-  if (FrameBuffer2) {
-    free(FrameBuffer2);
-    FrameBuffer2=NULL;
-  }
-
-  return parport_close();
-}
-
-
-LCD M50530[] = {
-  { name: "M50530",
-    rows:  0,
-    cols:  0,
-    xres:  XRES,
-    yres:  YRES,
-    bars:  BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2,
-    icons: 0,
-    gpos:  0,
-    init:  M5_init,
-    clear: M5_clear,
-    put:   M5_put,
-    bar:   M5_bar,
-    icon:  M5_icon,
-    gpo:   M5_gpo,
-    flush: M5_flush,
-    quit:  M5_quit 
-  },
-  { NULL }
-};