From b331ef79fcbdbab27308a34f438b5646c37b9992 Mon Sep 17 00:00:00 2001 From: reinelt <> Date: Sun, 15 Feb 2004 08:22:47 +0000 Subject: [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 --- USBLCD.c | 446 --------------------------------------------------------------- 1 file changed, 446 deletions(-) delete mode 100644 USBLCD.c (limited to 'USBLCD.c') diff --git a/USBLCD.c b/USBLCD.c deleted file mode 100644 index 63eb7b4..0000000 --- a/USBLCD.c +++ /dev/null @@ -1,446 +0,0 @@ -/* $Id: USBLCD.c,v 1.21 2004/01/30 20:57:55 reinelt Exp $ - * - * Driver for USBLCD (see http://www.usblcd.de) - * - * Copyright 2002 Robin Adams, Adams IT Services - * - * This driver is based on HD44780.c, which is - * Copyright 1999, 2000 Michael Reinelt - * - * 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: USBLCD.c,v $ - * Revision 1.21 2004/01/30 20:57:55 reinelt - * HD44780 patch from Martin Hejl - * dmalloc integrated - * - * Revision 1.20 2004/01/09 04:16:06 reinelt - * added 'section' argument to cfg_get(), but NULLed it on all calls by now. - * - * Revision 1.19 2004/01/06 22:33:14 reinelt - * Copyright statements cleaned up - * - * Revision 1.18 2003/10/05 17:58:50 reinelt - * libtool junk; copyright messages cleaned up - * - * Revision 1.17 2003/09/11 04:09:53 reinelt - * minor cleanups - * - * Revision 1.16 2003/09/10 03:48:23 reinelt - * Icons for M50530, new processing scheme (Ticks.Text...) - * - * Revision 1.15 2003/09/09 11:47:47 reinelt - * basic icon support for HD44780 - * - * Revision 1.14 2003/09/09 06:54:43 reinelt - * new function 'cfg_number()' - * - * Revision 1.13 2003/09/09 05:30:34 reinelt - * even more icons stuff - * - * 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 2003/07/24 04:48:09 reinelt - * 'soft clear' needed for virtual rows - * - * Revision 1.9 2003/04/04 06:01:59 reinelt - * new parallel port abstraction scheme - * - * Revision 1.8 2003/02/22 07:53:10 reinelt - * cfg_get(key,defval) - * - * Revision 1.7 2002/08/19 09:11:34 reinelt - * changed HD44780 to use generic bar functions - * - * Revision 1.6 2002/08/19 07:52:19 reinelt - * corrected type declaration of (*defchar)() - * - * Revision 1.5 2002/08/19 07:36:29 reinelt - * - * finished bar.c, USBLCD is the first driver that uses the generic bar functions - * - * Revision 1.4 2002/08/19 04:41:20 reinelt - * introduced bar.c, moved bar stuff from display.h to bar.h - * - * Revision 1.3 2002/08/18 08:11:11 reinelt - * USBLCD buffered I/O - * - * Revision 1.2 2002/08/17 14:14:21 reinelt - * - * USBLCD fixes - * - * Revision 1.0 2002/07/08 12:16:10 radams - * - * first version of the USBLCD driver - * - */ - -/* - * - * exported fuctions: - * - * struct LCD UDBLCD[] - * - */ - -#include "config.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include "debug.h" -#include "cfg.h" -#include "display.h" -#include "icon.h" -#include "bar.h" - -#ifdef WITH_DMALLOC -#include -#endif - -#define GET_HARD_VERSION 1 -#define GET_DRV_VERSION 2 - -#define XRES 5 -#define YRES 8 -#define CHARS 8 - -static LCD Lcd; -static char *Port=NULL; -static int usblcd_file; -static int Icons; - -static char *FrameBuffer1=NULL; -static char *FrameBuffer2=NULL; - -static unsigned char *Buffer; -static unsigned char *BufPtr; - -static void USBLCD_send () -{ - // struct timeval now, end; - // gettimeofday (&now, NULL); - - write(usblcd_file,Buffer,BufPtr-Buffer); - - // gettimeofday (&end, NULL); - // debug ("send %d: %d usec (%d usec/byte)", BufPtr-Buffer, 1000000*(end.tv_sec-now.tv_sec)+end.tv_usec-now.tv_usec, (1000000*(end.tv_sec-now.tv_sec)+end.tv_usec-now.tv_usec)/(BufPtr-Buffer)); - - BufPtr=Buffer; - -} - - -static void USBLCD_command (unsigned char cmd) -{ - *BufPtr++='\0'; - *BufPtr++=cmd; -} - -static void USBLCD_write (char *string, int len) -{ - while (len--) { - if(*string==0) *BufPtr++=*string; - *BufPtr++=*string++; - } -} - - -static int USBLCD_open (void) -{ - char buf[128]; - int major,minor; - - usblcd_file=open(Port,O_WRONLY); - if (usblcd_file==-1) { - error ("USBLCD: open(%s) failed: %s", Port, strerror(errno)); - return -1; - } - - memset(buf,0,sizeof(buf)); - if (ioctl(usblcd_file,GET_DRV_VERSION, buf)!=0) { - error ("USBLCD: ioctl() failed, could not get Driver Version!"); - return -2; - } - debug("Driver Version: %s",buf); - - if (sscanf(buf,"USBLCD Driver Version %d.%d",&major,&minor)!=2) { - error("USBLCD: could not read Driver Version!"); - return -4; - } - if (major!=1) { - error("USBLCD: Driver Version not supported!"); - return -4; - } - - memset(buf,0,sizeof(buf)); - if (ioctl(usblcd_file,GET_HARD_VERSION, buf)!=0) { - error ("USBLCD: ioctl() failed, could not get Hardware Version!"); - return -3; - } - debug("Hardware Version: %s",buf); - - if (sscanf(buf,"%d.%d",&major,&minor)!=2) { - error("USBLCD: could not read Hardware Version!"); - return -4; - }; - if (major!=1) { - error("USBLCD: Hardware Version not supported!"); - return -4; - } - - BufPtr=Buffer; - - USBLCD_command (0x29); // 8 Bit mode, 1/16 duty cycle, 5x8 font - USBLCD_command (0x08); // Display off, cursor off, blink off - USBLCD_command (0x0c); // Display on, cursor off, blink off - USBLCD_command (0x06); // curser moves to right, no shift - - return 0; -} - -static void USBLCD_define_char (int ascii, char *buffer) -{ - USBLCD_command (0x40|8*ascii); - USBLCD_write (buffer, 8); -} - - -int USBLCD_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)); - USBLCD_command (0x01); // clear display - } - - return 0; -} - - -int USBLCD_init (LCD *Self) -{ - int rows=-1, cols=-1 ; - char *port, *s; - - if (Port) { - free(Port); - Port=NULL; - } - if ((port=cfg_get(NULL, "Port", NULL))==NULL || *port=='\0') { - error ("USBLCD: no 'Port' entry in %s", cfg_source()); - return -1; - } - if (port[0]=='/') { - Port=strdup(port); - } else { - Port=(char *)malloc(5/*/dev/ */+strlen(port)+1); - sprintf(Port,"/dev/%s",port); - } - - debug ("using device %s ", Port); - - s=cfg_get(NULL, "Size", NULL); - if (s==NULL || *s=='\0') { - error ("USBLCD: no 'Size' entry in %s", cfg_source()); - return -1; - } - if (sscanf(s,"%dx%d",&cols,&rows)!=2 || rows<1 || cols<1) { - error ("USBLCD: bad size '%s'",s); - return -1; - } - - Self->rows=rows; - Self->cols=cols; - Lcd=*Self; - - // Init the command buffer - Buffer = (char*)malloc(1024); - if (Buffer==NULL) { - error ("USBLCD: coommand buffer could not be allocated: malloc() failed"); - return -1; - } - - // 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 ("USBLCD: framebuffer could not be allocated: malloc() failed"); - return -1; - } - - if (USBLCD_open()!=0) - 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, USBLCD_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 - - USBLCD_clear(1); - USBLCD_send(); - - return 0; -} - - -void USBLCD_goto (int row, int col) -{ - int pos=(row%2)*64+(row/2)*20+col; - USBLCD_command (0x80|pos); -} - - -int USBLCD_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 USBLCD_bar (int type, int row, int col, int max, int len1, int len2) -{ - return bar_draw (type, row, col, max, len1, len2); -} - - -int USBLCD_icon (int num, int seq, int row, int col) -{ - return icon_draw (num, seq, row, col); -} - - -int USBLCD_flush (void) -{ - int row, col, pos1, pos2; - int c, equal; - - bar_process(USBLCD_define_char); - - for (row=0; row2) break; - } else { - pos2=col; - equal=0; - } - } - USBLCD_write (FrameBuffer1+row*Lcd.cols+pos1, pos2-pos1+1); - } - } - - USBLCD_send(); - - memcpy (FrameBuffer2, FrameBuffer1, Lcd.rows*Lcd.cols*sizeof(char)); - - return 0; -} - - -int USBLCD_quit (void) -{ - info("USBLCD: shutting down."); - USBLCD_send(); - - debug ("closing port %s", Port); - close(usblcd_file); - - if (Buffer) { - free(Buffer); - Buffer=NULL; - } - - if (FrameBuffer1) { - free(FrameBuffer1); - FrameBuffer1=NULL; - } - - if (FrameBuffer2) { - free(FrameBuffer2); - FrameBuffer2=NULL; - } - - return 0; -} - - -LCD USBLCD[] = { - { name: "USBLCD", - rows: 0, - cols: 0, - xres: XRES, - yres: YRES, - bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2, - icons: 0, - gpos: 0, - init: USBLCD_init, - clear: USBLCD_clear, - put: USBLCD_put, - bar: USBLCD_bar, - icon: USBLCD_icon, - gpo: NULL, - flush: USBLCD_flush, - quit: USBLCD_quit - }, - { NULL } -}; -- cgit v1.2.3