diff options
author | reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f> | 2004-02-10 07:42:36 +0000 |
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committer | reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f> | 2004-02-10 07:42:36 +0000 |
commit | 771a0c20aad4eb450bc882b37141b0f921cce4e2 (patch) | |
tree | 3794bc2d85490b23b316c89da76b66eb61f3fc67 /Cwlinux.c | |
parent | 39552d1c546f6aa57be82a18993262e7d18906ff (diff) | |
download | lcd4linux-771a0c20aad4eb450bc882b37141b0f921cce4e2.tar.gz |
[lcd4linux @ 2004-02-10 07:42:35 by reinelt]
cut off all old-style files which are no longer used with NextGeneration
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@361 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
Diffstat (limited to '')
-rw-r--r-- | Cwlinux.c | 533 |
1 files changed, 0 insertions, 533 deletions
diff --git a/Cwlinux.c b/Cwlinux.c deleted file mode 100644 index 30f181b..0000000 --- a/Cwlinux.c +++ /dev/null @@ -1,533 +0,0 @@ -/* $Id: Cwlinux.c,v 1.19 2004/01/30 20:57:55 reinelt Exp $ - * - * driver for Cwlinux serial display modules - * - * Copyright 2002 Andrew Ip <aip@cwlinux.com> - * - * 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: Cwlinux.c,v $ - * Revision 1.19 2004/01/30 20:57:55 reinelt - * HD44780 patch from Martin Hejl - * dmalloc integrated - * - * Revision 1.18 2004/01/29 04:40:02 reinelt - * every .c file includes "config.h" now - * - * 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 2003/11/30 16:18:36 reinelt - * Cwlinux: invalidate Framebuffer in case a char got redefined - * - * Revision 1.15 2003/10/05 17:58:50 reinelt - * libtool junk; copyright messages cleaned up - * - * Revision 1.14 2003/09/13 06:45:43 reinelt - * icons for all remaining drivers - * - * 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 2003/08/01 05:15:42 reinelt - * last cleanups for 0.9.9 - * - * Revision 1.9 2003/07/24 04:48:09 reinelt - * 'soft clear' needed for virtual rows - * - * Revision 1.8 2003/05/19 05:55:17 reinelt - * Cwlinux sleep optimization - * - * Revision 1.7 2003/05/14 06:17:39 reinelt - * added support for CW1602 - * - * Revision 1.6 2003/02/24 04:50:57 reinelt - * cwlinux fixes - * - * Revision 1.5 2003/02/22 07:53:09 reinelt - * cfg_get(key,defval) - * - * Revision 1.4 2003/02/22 07:23:24 reinelt - * Cwlinux fixes - * - * Revision 1.3 2002/09/12 05:24:54 reinelt - * code cleanup, character defining for bars - * - * Revision 1.2 2002/09/11 05:32:35 reinelt - * changed to use new bar functions - * - * Revision 1.1 2002/09/11 05:16:32 reinelt - * added Cwlinux driver - * - */ - -/* - * - * exported fuctions: - * - * struct LCD Cwlinux[] - * - */ - -#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 CHARS 8 - -static LCD Lcd; -static char *Port = NULL; -static speed_t Speed; -static int Device = -1; -static int Icons; - -static char *FrameBuffer1=NULL; -static char *FrameBuffer2=NULL; - - -static int CW_open(void) -{ - int fd; - pid_t pid; - struct termios portset; - - if ((pid = lock_port(Port)) != 0) { - if (pid == -1) - error("Cwlinux: port %s could not be locked", Port); - else - error("Cwlinux: port %s is locked by process %d", Port, pid); - return -1; - } - - fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY); - if (fd == -1) { - error("Cwlinux: open(%s) failed: %s", Port, strerror(errno)); - unlock_port(Port); - return -1; - } - if (tcgetattr(fd, &portset) == -1) { - error("Cwlinux: tcgetattr(%s) failed: %s", Port, strerror(errno)); - unlock_port(Port); - return -1; - } - cfmakeraw(&portset); - cfsetispeed(&portset, Speed); - cfsetospeed(&portset, Speed); - if (tcsetattr(fd, TCSANOW, &portset) == -1) { - error("Cwlinux: tcsetattr(%s) failed: %s", Port, strerror(errno)); - unlock_port(Port); - return -1; - } - - return fd; -} - - -static void CW_write(char *string, int len) -{ - int ret; - - ret=write (Device, string, len); - if (ret<0 && errno==EAGAIN) { - usleep(1000); - ret=write (Device, string, len); - } - if (ret<0) { - error ("Cwlinux: write(%s) failed: %s", Port, strerror(errno)); - } -} - - -#if 0 -static int CW_read(char *string, int len) -{ - int ret; - - ret=read (Device, string, len); - if (ret<0 && errno==EAGAIN) { - debug ("read(): EAGAIN"); - usleep(10000); - ret=read (Device, string, len); - } - debug ("read(%s)=%d", string, ret); - - if (ret<0) { - error("Cwlinux: read() failed: %s", strerror(errno)); - } - - usleep(20); - - return ret; -} -#endif - -static void CW_Goto(int row, int col) -{ - char cmd[6]="\376Gxy\375"; - cmd[2]=(char)col; - cmd[3]=(char)row; - CW_write(cmd,5); -} - - -static void CW12232_define_char (int ascii, char *buffer) -{ - int i, j; - char cmd[10]="\376Nn123456\375"; - - cmd[2]=(char)(ascii+1); - - // Cwlinux uses a vertical bitmap layout, so - // we have to kind of 'rotate' the bitmap. - - for (i=0; i<6;i++) { - cmd[3+i]=0; - for (j=0; j<8;j++) { - if (buffer[j] & (1<<(5-i))) { - cmd[3+i]|=(1<<j); - } - } - } - CW_write(cmd,10); -} - - -static void CW1602_define_char (int ascii, char *buffer) -{ - int i; - char cmd[12]="\376Nn12345678\375"; - - cmd[2]=(char)(ascii+1); - - for (i=0; i<8; i++) { - cmd[3+i]=buffer[i]; - } - CW_write(cmd,12); - usleep(20); // delay for cw1602 to settle the character defined! -} - - -int CW_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)); -#if 0 - CW_write("\376X\375",3); -#else - // for some mysterious reason, we have to sleep after - // the command _and_ after the CMD_END... - usleep(20); - CW_write("\376X",2); - usleep(20); - CW_write("\375",1); - usleep(20); -#endif - } - - return 0; -} - - -static void CW_Brightness(void) -{ - int level; - char cmd[5]="\376A_\375"; - - if (cfg_number(NULL, "Brightness", 8, 0, 8, &level)<0) return; - - switch (level) { - case 0: - // backlight off - CW_write ("\376F\375", 3); - break; - case 8: - // backlight on - CW_write ("\376B\375", 3); - break; - default: - // backlight level - cmd[2]=level; - CW_write (cmd, 4); - break; - } -} - - -int CW_init(LCD * Self) -{ - char *port; - int speed; - // char buffer[16]; - - 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 ("Cwlinux: 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("Cwlinux: no 'Port' entry in %s", cfg_source()); - return -1; - } - Port = strdup(port); - - if (cfg_number(NULL, "Speed", 19200, 9600,19200, &speed)<0) return -1; - switch (speed) { - case 9600: - Speed = B9600; - break; - case 19200: - Speed = B19200; - break; - default: - error("Cwlinux: unsupported speed '%d' in %s", speed, cfg_source()); - return -1; - } - - debug("using port %s at %d baud", Port, speed); - - Device = CW_open(); - if (Device == -1) - return -1; - - // this does not work as I'd expect it... -#if 0 - // read firmware version - CW_read(buffer,sizeof(buffer)); - usleep(100000); - CW_write ("\3761", 2); - usleep(100000); - CW_write ("\375", 1); - usleep(100000); - if (CW_read(buffer,2)!=2) { - info ("unable to read firmware version!"); - } - info ("Cwlinux Firmware %d.%d", (int)buffer[0], (int)buffer[1]); -#endif - - CW_clear(1); - - // auto line wrap off - CW_write ("\376D\375", 3); - - // auto scroll off - // CW_write ("\376R\375", 3); - - // underline cursor off - CW_write ("\376K\375", 3); - - // backlight on - CW_write ("\376B\375", 3); - - // backlight brightness - CW_Brightness(); - - 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, Lcd.xres, Lcd.yres, CHARS, Icons, CW12232_define_char); - Self->icons=Icons; - Lcd.icons=Icons; - } - - bar_init(Lcd.rows, Lcd.cols, Lcd.xres, Lcd.yres, CHARS-Icons); - bar_add_segment( 0, 0,255, 32); // ASCII 32 = blank - - return 0; -} - - -int CW_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 CW_bar(int type, int row, int col, int max, int len1, int len2) -{ - return bar_draw (type, row, col, max, len1, len2); -} - - -int CW_icon (int num, int seq, int row, int col) -{ - return icon_draw (num, seq, row, col); -} - - -int CW_flush(void) -{ - int row, col, pos1, pos2; - int c, equal; - - 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++; // blank - FrameBuffer1[row*Lcd.cols+col]=(char)c; - // invalidate FrameBuffer: - // Cwlinux does not update the display of a user-defined char - // if it is redefined only. We have to definitely write it - // to the display! We force this by invalidating the DoubleBuffer. - // Fixme: This is bad: we should try to remember which chars - // got redefined, and invalidate only those... - FrameBuffer2[row*Lcd.cols+col]=0; - } - } - for (col = 0; col < Lcd.cols; col++) { - if (FrameBuffer1[row*Lcd.cols+col]==FrameBuffer2[row*Lcd.cols+col]) continue; - CW_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 five bytes, too. - if (++equal>5) break; - } else { - pos2=col; - equal=0; - } - } - CW_write (FrameBuffer1+row*Lcd.cols+pos1, pos2-pos1+1); - } - } - - memcpy (FrameBuffer2, FrameBuffer1, Lcd.rows*Lcd.cols*sizeof(char)); - - return 0; -} - -int CW12232_flush(void) -{ - bar_process(CW12232_define_char); - return CW_flush(); -} - -int CW1602_flush(void) -{ - bar_process(CW1602_define_char); - return CW_flush(); -} - - -int CW_quit(void) -{ - info("Cwlinux: 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 Cwlinux[] = { - { name: "CW12232", - rows: 4, - cols: 20, - xres: 6, - yres: 8, - bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2, - icons: 0, - gpos: 0, - init: CW_init, - clear: CW_clear, - put: CW_put, - bar: CW_bar, - icon: CW_icon, - gpo: NULL, - flush: CW12232_flush, - quit: CW_quit - }, - { name: "CW1602", - rows: 2, - cols: 16, - xres: 5, - yres: 8, - bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2, - icons: 0, - gpos: 0, - init: CW_init, - clear: CW_clear, - put: CW_put, - bar: CW_bar, - icon: CW_icon, - gpo: NULL, - flush: CW1602_flush, - quit: CW_quit - }, - {NULL} -}; |