lcd4linux.git - lcd4linux

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author	volker <volker@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>	2009-01-16 23:35:13 +0000
committer	volker <volker@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>	2009-01-16 23:35:13 +0000
commit	ba89cd6a199a5bd19ed811fd6a099cbe8c98b73d (patch)
tree	ca3223a595894aed99047bc4ea35483609f377b3 /hash.h
parent	acb916cb77a9687d1166cc72c1cfa1ae5b76159c (diff)
download	lcd4linux-ba89cd6a199a5bd19ed811fd6a099cbe8c98b73d.tar.gz

Closing XWindow quits without error

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@972 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

Diffstat (limited to '')

0 files changed, 0 insertions, 0 deletions

/* $Id: T6963.c,v 1.14 2004/01/09 04:16:06 reinelt Exp $ * * driver for display modules based on the Toshiba T6963 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: T6963.c,v $ * Revision 1.14 2004/01/09 04:16:06 reinelt * added 'section' argument to cfg_get(), but NULLed it on all calls by now. * * Revision 1.13 2003/10/05 17:58:50 reinelt * libtool junk; copyright messages cleaned up * * Revision 1.12 2003/09/29 06:12:56 reinelt * changed default HD44780 wiring: unused signals are GND * * Revision 1.11 2003/09/13 06:45:43 reinelt * icons for all remaining drivers * * Revision 1.10 2003/08/16 07:31:35 reinelt * double buffering in all drivers * * Revision 1.9 2003/08/15 07:54:07 reinelt * HD44780 4 bit mode implemented * * Revision 1.8 2003/08/01 05:15:42 reinelt * last cleanups for 0.9.9 * * Revision 1.7 2003/07/24 04:48:09 reinelt * 'soft clear' needed for virtual rows * * Revision 1.6 2003/04/07 06:03:00 reinelt * further parallel port abstraction * * Revision 1.5 2003/02/22 07:53:10 reinelt * cfg_get(key,defval) * * Revision 1.4 2002/08/21 06:09:53 reinelt * some T6963 fixes, ndelay wrap * * 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 2002/08/17 12:54:08 reinelt * minor T6963 changes * * Revision 1.1 2002/04/29 11:00:26 reinelt * * added Toshiba T6963 driver * added ndelay() with nanosecond resolution * * */ /* * * exported fuctions: * * struct LCD T6963[] * */ #include "config.h" #include <stdlib.h> #include <stdio.h> #include <string.h> #include <errno.h> #include "debug.h" #include "cfg.h" #include "display.h" #include "bar.h" #include "icon.h" #include "parport.h" #include "udelay.h" #include "pixmap.h" #define XRES 6 #define YRES 8 static LCD Lcd; static int Icons; unsigned char *Buffer1, *Buffer2; static unsigned char SIGNAL_CE; static unsigned char SIGNAL_CD; static unsigned char SIGNAL_RD; static unsigned char SIGNAL_WR; // Fixme: static int bug=0; // perform normal status check void T6_status1 (void) { int n; // turn off data line drivers parport_direction (1); // lower CE and RD parport_control (SIGNAL_CE | SIGNAL_RD, 0); // Access Time: 150 ns ndelay(150); // wait for STA0=1 and STA1=1 n=0; do { rep_nop(); if (++n>1000) { debug("hang in status1"); bug=1; break; } } while ((parport_read() & 0x03) != 0x03); // rise RD and CE parport_control (SIGNAL_RD | SIGNAL_CE, SIGNAL_RD | SIGNAL_CE); // Output Hold Time: 50 ns ndelay(50); // turn on data line drivers parport_direction (0); } // perform status check in "auto mode" void T6_status2 (void) { int n; // turn off data line drivers parport_direction (1); // lower RD and CE parport_control (SIGNAL_RD | SIGNAL_CE, 0); // Access Time: 150 ns ndelay(150); // wait for STA3=1 n=0; do { rep_nop(); if (++n>1000) { debug("hang in status2"); bug=1; break; } } while ((parport_read() & 0x08) != 0x08); // rise RD and CE parport_control (SIGNAL_RD | SIGNAL_CE, SIGNAL_RD | SIGNAL_CE); // Output Hold Time: 50 ns ndelay(50); // turn on data line drivers parport_direction (0); } static void T6_write_cmd (unsigned char cmd) { // wait until the T6963 is idle T6_status1(); // put data on DB1..DB8 parport_data (cmd); // lower WR and CE parport_control (SIGNAL_WR | SIGNAL_CE, 0); // Pulse width ndelay(80); // rise WR and CE parport_control (SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE); // Data Hold Time ndelay(40); } static void T6_write_data (unsigned char data) { // wait until the T6963 is idle T6_status1(); // put data on DB1..DB8 parport_data (data); // lower C/D parport_control (SIGNAL_CD, 0); // C/D Setup Time ndelay(20); // lower WR and CE parport_control (SIGNAL_WR | SIGNAL_CE, 0); // Pulse Width ndelay(80); // rise WR and CE parport_control (SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE); // Data Hold Time ndelay(40); // rise CD parport_control (SIGNAL_CD, SIGNAL_CD); } static void T6_write_auto (unsigned char data) { // wait until the T6963 is idle T6_status2(); // put data on DB1..DB8 parport_data (data); // lower C/D parport_control (SIGNAL_CD, 0); // C/D Setup Time ndelay(20); // lower WR and CE parport_control (SIGNAL_WR | SIGNAL_CE, 0); // Pulse Width ndelay(80); // rise WR and CE parport_control (SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE); // Data Hold Time ndelay(40); // rise CD parport_control (SIGNAL_CD, SIGNAL_CD); } #if 0 // not used static void T6_send_byte (unsigned char cmd, unsigned char data) { T6_write_data(data); T6_write_cmd(cmd); } #endif static void T6_send_word (unsigned char cmd, unsigned short data) { T6_write_data(data&0xff); T6_write_data(data>>8); T6_write_cmd(cmd); } static void T6_memset(unsigned short addr, unsigned char data, int len) { int i; T6_send_word (0x24, addr); // Set Adress Pointer T6_write_cmd(0xb0); // Set Data Auto Write for (i=0; i<len; i++) { T6_write_auto(data); if (bug) { debug("bug occured at byte %d of %d", i, len); bug=0; } } T6_status2(); T6_write_cmd(0xb2); // Auto Reset } static void T6_memcpy(unsigned short addr, unsigned char *data, int len) { int i; T6_send_word (0x24, 0x0200+addr); // Set Adress Pointer T6_write_cmd(0xb0); // Set Data Auto Write for (i=0; i<len; i++) { T6_write_auto(*(data++)); if (bug) { debug("bug occured at byte %d of %d, addr=%d", i, len, addr); bug=0; } } T6_status2(); T6_write_cmd(0xb2); // Auto Reset } int T6_clear (int full) { int rows; if (full) { rows=(Lcd.rows>8 ? 8 : Lcd.rows); T6_memset(0x0000, 0, Lcd.cols*rows); // clear text area T6_memset(0x0200, 0, Lcd.cols*rows*8); // clear graphic area if (Lcd.rows>8) { T6_memset(0x8000, 0, Lcd.cols*(Lcd.rows-rows)); // clear text area #2 T6_memset(0x8200, 0, Lcd.cols*(Lcd.rows-rows)*8); // clear graphic area #2 } memset(Buffer1,0,Lcd.cols*Lcd.rows*Lcd.yres*sizeof(*Buffer1)); memset(Buffer2,0,Lcd.cols*Lcd.rows*Lcd.yres*sizeof(*Buffer2)); } return pix_clear(); } int T6_init (LCD *Self) { Lcd=*Self; if (pix_init (Lcd.rows, Lcd.cols, Lcd.xres, Lcd.yres)!=0) { error ("T6963: pix_init(%d, %d, %d, %d) failed", Lcd.rows, Lcd.cols, Lcd.xres, Lcd.yres); return -1; } if (cfg_number(NULL, "Icons", 0, 0, 8, &Icons) < 0) return -1; if (Icons>0) { info ("allocating %d icons", Icons); icon_init(Lcd.rows, Lcd.cols, Lcd.xres, Lcd.yres, 8, Icons, pix_icon); Self->icons=Icons; Lcd.icons=Icons; } Buffer1=malloc(Lcd.cols*Lcd.rows*Lcd.yres); if (Buffer1==NULL) { error ("T6963: malloc(%d) failed: %s", Lcd.cols*Lcd.rows*Lcd.yres, strerror(errno)); return -1; } Buffer2=malloc(Lcd.cols*Lcd.rows*Lcd.yres); if (Buffer2==NULL) { error ("T6963: malloc(%d) failed: %s", Lcd.cols*Lcd.rows*Lcd.yres, strerror(errno)); return -1; } if ((SIGNAL_CE=parport_wire_ctrl ("CE", "STROBE"))==0xff) return -1; if ((SIGNAL_CD=parport_wire_ctrl ("CD", "SELECT"))==0xff) return -1; if ((SIGNAL_RD=parport_wire_ctrl ("RD", "AUTOFD"))==0xff) return -1; if ((SIGNAL_WR=parport_wire_ctrl ("WR", "INIT") )==0xff) return -1; if (parport_open() != 0) { error ("T6963: could not initialize parallel port!"); return -1; } // rise CE, CD, RD and WR parport_control (SIGNAL_CE | SIGNAL_CD | SIGNAL_RD | SIGNAL_WR, SIGNAL_CE | SIGNAL_CD | SIGNAL_RD | SIGNAL_WR); // set direction: write parport_direction (0); debug ("setting %d columns", Lcd.cols); T6_send_word (0x40, 0x0000); // Set Text Home Address T6_send_word (0x41, Lcd.cols); // Set Text Area T6_send_word (0x42, 0x0200); // Set Graphic Home Address T6_send_word (0x43, Lcd.cols); // Set Graphic Area T6_write_cmd (0x80); // Mode Set: OR mode, Internal CG RAM mode T6_send_word (0x22, 0x0002); // Set Offset Register T6_write_cmd (0x98); // Set Display Mode: Curser off, Text off, Graphics on T6_write_cmd (0xa0); // Set Cursor Pattern: 1 line cursor T6_send_word (0x21, 0x0000); // Set Cursor Pointer to (0,0) T6_clear(1); return 0; } int T6_put (int row, int col, char *text) { return pix_put(row,col,text); } int T6_bar (int type, int row, int col, int max, int len1, int len2) { return pix_bar(type,row,col,max,len1,len2); } int T6_icon (int num, int seq, int row, int col) { return icon_draw (num, seq, row, col); } int T6_flush (void) { int i, j, e; memset(Buffer1,0,Lcd.cols*Lcd.rows*Lcd.yres*sizeof(*Buffer1)); for (i=0; i<Lcd.cols*Lcd.rows*Lcd.yres; i++) { for (j=0; j<Lcd.xres; j++) { Buffer1[i]<<=1; if (LCDpixmap[i*Lcd.xres+j]) Buffer1[i]|=1; } } for (i=0; i<Lcd.cols*Lcd.rows*Lcd.yres; i++) { if (Buffer1[i]==Buffer2[i]) continue; for (j=i, e=0; i<Lcd.cols*Lcd.rows*Lcd.yres; i++) { if (Buffer1[i]==Buffer2[i]) { if (++e>4) break; } else { e=0; } } T6_memcpy (j, Buffer1+j, i-j-e+1); } memcpy(Buffer2,Buffer1,Lcd.cols*Lcd.rows*Lcd.yres*sizeof(*Buffer1)); return 0; } int T6_quit (void) { return parport_close(); } LCD T6963[] = { { name: "TLC1091", rows: 16, cols: 40, xres: 6, yres: 8, bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 | BAR_V2 | BAR_T, icons: 0, gpos: 0, init: T6_init, clear: T6_clear, put: T6_put, bar: T6_bar, icon: T6_icon, gpo: NULL, flush: T6_flush, quit: T6_quit }, { name: "DMF5002N", rows: 14, cols: 16, xres: 8, yres: 8, bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 | BAR_V2 | BAR_T, icons: 0, gpos: 0, init: T6_init, clear: T6_clear, put: T6_put, bar: T6_bar, icon: T6_icon, gpo: NULL, flush: T6_flush, quit: T6_quit }, { NULL } };


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