/* $Id$ * $URL$ * * Driver for Electronic Assembly serial graphic display * * Copyright (C) 2007 Stefan Gmeiner * Copyright (C) 2005 Michael Reinelt * Copyright (C) 2005, 2006, 2007 The LCD4Linux Team * * 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. * */ /* * Electronic Assembly RS232 Graphic Displays * * This driver supports some of the Electronic Assembly serial graphic displays. Although * most of this display support higher level operation like text and graphic command, non of * these are used. Instead the lcd4linux graphic routines creates the graphic which is then * transferd to the display. * * FIXME: Some display have addition features such as GPI which are not yet implemented. * * Display Protocol Output Contrast * ============================================ * GE120-5NV24 1 8 yes * GE128-6N3V24 1 8 no * GE128-6N9V24 2 0 yes * GE128-7KV24 3 8 no * GE240-6KV24 3 8 no * GE240-6KCV24 3 8 no * GE240-7KV24 3 8 no * GE240-7KLWV24 3 8 no * GE240-6KLWV24 3 8 no * * Supported protocol commands: * * Clear * Protocol Display Set Output Set Contrast Bitmap Orientation * ======================================================================================= * 1 DL Y(0..7)(0..1) K(0..20) U(x)(y)(w)(h)(...) Vertical * 2 DL -- DK(0..63) UL(x)(y)(w)(h)(...) Vertical * 3 DL Y(0..7)(0..1) -- U(x)(y)(w)(h)(...) Horizontal * * Bitmap orientation: * * Vertical: Byte-No. * 123456789.... * Bit 0 ********* * Bit 1 ********* * Bit 2 ********* * Bit 3 ********* * Bit 4 ********* * Bit 5 ********* * Bit 6 ********* * Bit 7 ********* * * Horizontal: Bit-No. * 76543210 * Byte 0 ******** * Byte 1 ******** * Byte 3 ******** * ... * * */ /* * * exported fuctions: * * struct DRIVER drv_EA232graphic * */ #include "config.h" #include #include #include #include #include #include #include "debug.h" #include "cfg.h" #include "qprintf.h" #include "udelay.h" #include "plugin.h" #include "widget.h" #include "widget_text.h" #include "widget_icon.h" #include "widget_bar.h" #include "drv.h" /* graphic display */ #include "drv_generic_graphic.h" /* serial port */ #include "drv_generic_serial.h" /* GPO */ #include "drv_generic_gpio.h" #define ESC ((char)27) #define MSB_BYTE 0x80 #define LSB_BYTE 0x01 static char Name[] = "EA232graphic"; typedef struct { char *name; int columns; int rows; int max_contrast; int default_contrast; int gpo; int protocol; } MODEL; static MODEL Models[] = { /* Protocol 1 models */ {"GE120-5NV24", 120, 32, 20, 8, 8, 1}, {"GE128-6N3V24", 128, 64, 0, 0, 8, 1}, /* Protocol 2 models */ {"GE128-6N9V24", 128, 64, 63, 40, 0, 2}, /* Protocol 3 models */ {"GE128-7KV24", 128, 128, 0, 0, 8, 3}, {"GE240-6KV24", 240, 64, 0, 0, 8, 3}, {"GE240-6KCV24", 240, 64, 0, 0, 8, 3}, {"GE240-7KV24", 240, 128, 0, 0, 8, 3}, {"GE240-7KLWV24", 240, 128, 0, 0, 8, 3}, {"GE240-6KLWV24", 240, 64, 0, 0, 8, 3}, {NULL, 0, 0, 0, 0, 0, 0} }; static MODEL *Model; /****************************************/ /*** hardware dependant functions ***/ /****************************************/ static int drv_EA232graphic_open(const char *section) { /* open serial port */ /* don't mind about device, speed and stuff, this function will take care of */ if (drv_generic_serial_open(section, Name, 0) < 0) return -1; return 0; } static int drv_EA232graphic_close(void) { drv_generic_serial_close(); return 0; } /* write data to the display */ static void drv_EA232graphic_send(const char *data, const int len) { drv_generic_serial_write(data, len); } /* delete Display */ static void drv_EA232graphic_clear_display() { char cmd[3]; switch (Model->protocol) { case 1: case 3: cmd[0] = 'D'; cmd[1] = 'L'; drv_EA232graphic_send(cmd, 2); break; case 2: cmd[0] = ESC; cmd[1] = 'D'; cmd[2] = 'L'; drv_EA232graphic_send(cmd, 3); break; default: error("%s: undefined protocol type", Name); return; } } /* copy framebuffer to display */ static void drv_EA232graphic_blit(const int row, const int col, const int height, const int width) { int r, c, l, p; char *cmd; /* calculate length of command */ l = 0; switch (Model->protocol) { case 1: case 2: l = ((height + 7) / 8) * width; break; case 3: l = ((width + 7) / 8) * height; break; default: error("%s: undefined protocol type", Name); return; } /* add maximum length of command header */ cmd = (char *) malloc(l + 10); if (cmd == NULL) { error("%s: allocation of buffer failed: %s", Name, strerror(errno)); return; } p = 0; /* write command header */ switch (Model->protocol) { case 1: case 3: cmd[p++] = 'U'; cmd[p++] = col; cmd[p++] = row; cmd[p++] = width; cmd[p++] = height; break; case 2: cmd[p++] = ESC; cmd[p++] = 'U'; cmd[p++] = 'L'; cmd[p++] = col; cmd[p++] = row; cmd[p++] = width; cmd[p++] = height; break; default: error("%s: undefined protocol type", Name); free(cmd); return; } /* clear all pixels */ memset(cmd + p, 0, l); /* set pixels */ switch (Model->protocol) { case 1: case 2: for (r = 0; r < height; r++) { for (c = 0; c < width; c++) { if (drv_generic_graphic_black(r + row, c + col)) { cmd[(r / 8) * width + c + p] |= (LSB_BYTE << (r % 8)); } } } break; case 3: for (c = 0; c < width; c++) { for (r = 0; r < height; r++) { if (drv_generic_graphic_black(r + row, c + col)) { cmd[(c / 8) * height + r + p] |= (MSB_BYTE >> (c % 8)); } } } break; default: error("%s: undefined protocol type", Name); free(cmd); return; } drv_EA232graphic_send(cmd, p + l); free(cmd); } static int drv_EA232graphic_GPO(const int num, const int val) { char cmd[4]; if (Model->gpo == 0) { error("%s: GPO not supported on this model.", Name); return -1; } if (Model->gpo < num) { error("%s: GPO %d is not available.", Name, num); return -1; } cmd[0] = 'Y'; cmd[1] = num; cmd[2] = (val > 0) ? 1 : 0; drv_EA232graphic_send(cmd, 3); return 0; } /* adjust contast */ static int drv_EA232graphic_contrast(int contrast) { char cmd[4]; if (Model->max_contrast == 0) { error("%s: contrast setting not support by model", Name); return -1; } /* adjust limits according to the display */ if (contrast < 0) contrast = 0; if (contrast > Model->max_contrast) contrast = Model->max_contrast; switch (Model->protocol) { case 1: cmd[0] = 'K'; cmd[1] = contrast; drv_EA232graphic_send(cmd, 2); break; case 2: cmd[0] = ESC; cmd[1] = 'D'; cmd[2] = 'K'; cmd[3] = contrast; drv_EA232graphic_send(cmd, 4); break; default: error("%s: undefined protocol type", Name); return -1; } return contrast; } /* start graphic display */ static int drv_EA232graphic_start(const char *section) { char *s; int contrast; int i; /* read model from configuration */ s = cfg_get(section, "Model", NULL); if (s == NULL || *s == '\0') { error("%s: no '%s.Model' entry from %s", Name, section, cfg_source()); return -1; } for (i = 0; Models[i].name != NULL; i++) { if (strcasecmp(Models[i].name, s) == 0) break; } if (!Models[i].name) { error("%s: %s.Model '%s' is unknown from %s", Name, section, s, cfg_source()); free(s); return -1; } Model = &Models[i]; info("%s: using model '%s'", Name, Model->name); free(s); /* read display size from model configuration */ DROWS = Model->rows; DCOLS = Model->columns; /* set number of GPO's from model */ GPOS = Model->gpo; /* read font size from configuration */ s = cfg_get(section, "Font", "6x8"); if (s == NULL || *s == '\0') { error("%s: no '%s.Font' entry from %s", Name, section, cfg_source()); return -1; } XRES = -1; YRES = -1; if (sscanf(s, "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) { error("%s: bad Font '%s' from %s", Name, s, cfg_source()); free(s); return -1; } /* Fixme: provider other fonts someday... */ if (XRES != 6 && YRES != 8) { error("%s: bad Font '%s' from %s (only 6x8 at the moment)", Name, s, cfg_source()); free(s); return -1; } free(s); /* open communication with the display */ if (drv_EA232graphic_open(section) < 0) { return -1; } /* reset & initialize display */ drv_EA232graphic_clear_display(); if (cfg_number(section, "Contrast", Model->default_contrast, 0, Model->max_contrast, &contrast) > 0) { drv_EA232graphic_contrast(contrast); } return 0; } /****************************************/ /*** plugins ***/ /****************************************/ static void plugin_contrast(RESULT * result, RESULT * arg1) { double contrast; contrast = drv_EA232graphic_contrast(R2N(arg1)); SetResult(&result, R_NUMBER, &contrast); } /****************************************/ /*** widget callbacks ***/ /****************************************/ /* using drv_generic_text_draw(W) */ /* using drv_generic_text_icon_draw(W) */ /* using drv_generic_text_bar_draw(W) */ /* using drv_generic_gpio_draw(W) */ /****************************************/ /*** exported functions ***/ /****************************************/ /* list models */ int drv_EA232graphic_list(void) { int i; for (i = 0; Models[i].name; i++) { printf("%s ", Models[i].name); } return 0; } /* initialize driver & display */ int drv_EA232graphic_init(const char *section, const int quiet) { int ret; /* real worker functions */ drv_generic_graphic_real_blit = drv_EA232graphic_blit; drv_generic_gpio_real_set = drv_EA232graphic_GPO; /* start display */ if ((ret = drv_EA232graphic_start(section)) != 0) return ret; /* initialize generic graphic driver */ if ((ret = drv_generic_graphic_init(section, Name)) != 0) return ret; /* initialize GPO */ if (Model->gpo > 0 && (ret = drv_generic_gpio_init(section, Name)) != 0) return ret; if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_graphic_greet(buffer, NULL)) { sleep(3); drv_generic_graphic_clear(); } } /* register plugins */ AddFunction("LCD::contrast", 1, plugin_contrast); return 0; } /* close driver & display */ int drv_EA232graphic_quit(const int quiet) { info("%s: shutting down.", Name); /* clear display */ drv_generic_graphic_clear(); /* say goodbye... */ if (!quiet) { drv_generic_graphic_greet("goodbye!", NULL); } drv_generic_graphic_quit(); if (Model->gpo > 0) drv_generic_gpio_quit(); debug("%s: closing connection", Name); drv_EA232graphic_close(); return (0); } /* use this one for a graphic display */ DRIVER drv_EA232graphic = { .name = Name, .list = drv_EA232graphic_list, .init = drv_EA232graphic_init, .quit = drv_EA232graphic_quit, }; a id='n298' href='#n298'>298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 
/* $Id: display.c,v 1.35 2003/07/24 04:48:09 reinelt Exp $
 *
 * framework for device drivers
 *
 * Copyright 1999, 2000 by Michael Reinelt (reinelt@eunet.at)
 *
 * This program 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.
 *
 * This program 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: display.c,v $
 * Revision 1.35  2003/07/24 04:48:09  reinelt
 * 'soft clear' needed for virtual rows
 *
 * Revision 1.34  2002/12/05 19:09:57  reinelt
 * patches for gcc-3.2
 *
 * Revision 1.33  2002/09/11 05:16:33  reinelt
 * added Cwlinux driver
 *
 * Revision 1.32  2002/08/19 04:41:20  reinelt
 * introduced bar.c, moved bar stuff from display.h to bar.h
 *
 * Revision 1.31  2002/08/17 13:10:23  reinelt
 * USBLCD driver added
 *
 * Revision 1.30  2002/04/29 11:00:28  reinelt
 *
 * added Toshiba T6963 driver
 * added ndelay() with nanosecond resolution
 *
 * Revision 1.29  2001/09/10 13:55:53  reinelt
 * M50530 driver
 *
 * Revision 1.28  2001/03/16 16:40:17  ltoetsch
 * implemented time bar
 *
 * Revision 1.27  2001/03/15 14:25:05  ltoetsch
 * added unread/total news
 *
 * Revision 1.26  2001/03/12 12:39:36  reinelt
 *
 * reworked autoconf a lot: drivers may be excluded, #define's went to config.h
 *
 * Revision 1.25  2001/03/09 13:08:11  ltoetsch
 * Added Text driver
 *
 * Revision 1.24  2001/03/01 11:08:16  reinelt
 *
 * reworked configure to allow selection of drivers
 *
 * Revision 1.23  2001/02/14 07:40:16  reinelt
 *
 * first (incomplete) GPO implementation
 *
 * Revision 1.22  2001/02/13 09:00:13  reinelt
 *
 * prepared framework for GPO's (general purpose outputs)
 *
 * Revision 1.21  2000/11/28 16:46:11  reinelt
 *
 * first try to support display of SIN router
 *
 * Revision 1.20  2000/08/10 09:44:09  reinelt
 *
 * new debugging scheme: error(), info(), debug()
 * uses syslog if in daemon mode
 *
 * Revision 1.19  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 1.18  2000/05/02 23:07:48  herp
 * Crystalfontz initial coding
 *
 * Revision 1.17  2000/05/02 06:05:00  reinelt
 *
 * driver for 3Com Palm Pilot added
 *
 * Revision 1.16  2000/04/28 05:19:55  reinelt
 *
 * first release of the Beckmann+Egle driver
 *
 * Revision 1.15  2000/04/12 08:05:45  reinelt
 *
 * first version of the HD44780 driver
 *
 * Revision 1.14  2000/04/03 17:31:52  reinelt
 *
 * suppress welcome message if display is smaller than 20x2
 * change lcd4linux.ppm to 32 pixel high so KDE won't stretch the icon
 *
 * Revision 1.13  2000/03/30 16:46:57  reinelt
 *
 * configure now handles '--with-x' and '--without-x' correct
 *
 * Revision 1.12  2000/03/26 18:46:28  reinelt
 *
 * bug in pixmap.c that leaded to empty bars fixed
 * name conflicts with X11 resolved
 *
 * Revision 1.11  2000/03/25 05:50:43  reinelt
 *
 * memory leak in Raster_flush closed
 * driver family logic changed
 *
 * Revision 1.10  2000/03/23 07:24:48  reinelt
 *
 * PPM driver up and running (but slow!)
 *
 * Revision 1.9  2000/03/22 15:36:21  reinelt
 *
 * added '-l' switch (list drivers)
 * generic pixmap driver added
 * X11 Framework done
 *
 * Revision 1.8  2000/03/19 08:41:28  reinelt
 *
 * documentation available! README, README.MatrixOrbital, README.Drivers
 * added Skeleton.c as a starting point for new drivers
 *
 * Revision 1.7  2000/03/18 08:07:04  reinelt
 *
 * vertical bars implemented
 * bar compaction improved
 * memory information implemented
 *
 * Revision 1.6  2000/03/17 09:21:42  reinelt
 *
 * various memory statistics added
 *
 * Revision 1.5  2000/03/13 15:58:24  reinelt
 *
 * release 0.9
 * moved row parsing to parser.c
 * all basic work finished
 *
 * Revision 1.4  2000/03/10 17:36:02  reinelt
 *
 * first unstable but running release
 *
 * Revision 1.3  2000/03/10 10:49:53  reinelt
 *
 * MatrixOrbital driver finished
 *
 * Revision 1.2  2000/03/06 06:04:06  reinelt
 *
 * minor cleanups
 *
 */

/* 
 * exported functions:
 *
 * lcd_list (void)
 *   lists all available drivers to stdout
 *
 * lcd_init (char *driver)
 *    initializes the named driver
 *
 * lcd_query (int *rows, int *cols, int *xres, int *yres, int *bars, int *gpos)
 *    queries the attributes of the selected driver
 *
 * lcd_clear ()
 *    clears the display
 *
 * int lcd_put (int row, int col, char *text)
 *    writes text at row, col
 *
 * int lcd_bar (int type, int row, int col, int max, int len1, int len2)
 *    draws a specified bar at row, col with len
 *
 * int lcd_gpo (int num, int val)
 *    sets GPO #num to val
 *
 * int lcd_flush (void)
 *    flushes the framebuffer to the display
 *
 * int lcd_quit (void)
 *    de-initializes the driver
 */

#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>

#include "debug.h"
#include "cfg.h"
#include "display.h"
#include "bar.h"

extern LCD BeckmannEgle[];
extern LCD Crystalfontz[];
extern LCD Cwlinux[];
extern LCD HD44780[];
extern LCD M50530[];
extern LCD T6963[];
extern LCD USBLCD[];
extern LCD MatrixOrbital[];
extern LCD PalmPilot[];
extern LCD Raster[];
extern LCD SIN[];
extern LCD Skeleton[];
extern LCD XWindow[];
extern LCD Text[];

FAMILY Driver[] = {
#ifdef WITH_BECKMANNEGLE
  { "Beckmann+Egle", BeckmannEgle },
#endif
#ifdef WITH_CRYSTALFONTZ
  { "Crystalfontz", Crystalfontz },
#endif
#ifdef WITH_CWLINUX
  { "Cwlinux", Cwlinux },
#endif
#ifdef WITH_HD44780
  { "HD 44780 based", HD44780 },
#endif
#ifdef WITH_M50530
  { "M50530 based", M50530 },
#endif
#ifdef WITH_T6963
  { "T6963 based", T6963 },
#endif
#ifdef WITH_USBLCD
  { "USBLCD", USBLCD },
#endif
#ifdef WITH_MATRIXORBITAL
  { "Matrix Orbital", MatrixOrbital },
#endif
#ifdef WITH_PALMPILOT
  { "3Com Palm Pilot", PalmPilot },
#endif
#if defined (WITH_PNG) || defined(WITH_PPM)
  { "Raster", Raster },
#endif
#ifdef WITH_SIN
  { "SIN Router", SIN },
#endif
#ifdef WITH_SKELETON
  { "Skeleton", Skeleton },
#endif
#ifdef WITH_X11
  { "X Window System", XWindow },
#endif
#ifdef WITH_TEXT
  { "ncurses Text", Text },
#endif
  { NULL }
};


static LCD *Lcd = NULL;

int lcd_list (void)
{
  int i, j;

  printf ("available display drivers:");
  
  for (i=0; Driver[i].name; i++) {
    printf ("\n   %-16s:", Driver[i].name);
    for (j=0; Driver[i].Model[j].name; j++) {
      printf (" %s", Driver[i].Model[j].name);
    }
  }
  printf ("\n");
  return 0;
}

int lcd_init (char *driver)
{
  int i, j;
  for (i=0; Driver[i].name; i++) {
    for (j=0; Driver[i].Model[j].name; j++) {
      if (strcmp (Driver[i].Model[j].name, driver)==0) {
	Lcd=&Driver[i].Model[j];
	if (Lcd->init==NULL) return 0;
	return Lcd->init(Lcd);
      }
    }
  }
  error ("lcd_init(%s) failed: no such display", driver);
  return -1;
}

int lcd_query (int *rows, int *cols, int *xres, int *yres, int *bars, int *gpos)
{
  if (Lcd==NULL)
    return -1;
  
  if (rows) *rows=Lcd->rows;
  if (cols) *cols=Lcd->cols;
  if (xres) *xres=Lcd->xres;
  if (yres) *yres=Lcd->yres;
  if (bars) *bars=Lcd->bars;
  if (gpos) *gpos=Lcd->gpos;

  return 0;
}

int lcd_clear (int full)
{
  if (Lcd->clear==NULL) return 0;
  return Lcd->clear(full);
}

int lcd_put (int row, int col, char *text)
{
  if (row<1 || row>Lcd->rows) return -1;
  if (col<1 || col>Lcd->cols) return -1;
  if (Lcd->put==NULL) return 0;
  return Lcd->put(row-1, col-1, text);
}

int lcd_bar (int type, int row, int col, int max, int len1, int len2)
{
  if (row<1 || row>Lcd->rows) return -1;
  if (col<1 || col>Lcd->cols) return -1;
  if (!(type & (BAR_H2 | BAR_V2 | BAR_T))) len2=len1;
  if (type & BAR_LOG) {
    len1=(double)max*log(len1+1)/log(max); 
    if (!(type & BAR_T))
      len2=(double)max*log(len2+1)/log(max); 
  }
  if (Lcd->put==NULL) return 0;
  return Lcd->bar (type & BAR_HV, row-1, col-1, max, len1, len2);
}

int lcd_gpo (int num, int val)
{
  if (num<1 || num>Lcd->gpos) return -1;
  if (Lcd->gpo==NULL) return 0;
  return Lcd->gpo(num-1, val);
}

int lcd_flush (void)
{
  if (Lcd->flush==NULL) return 0;
  return Lcd->flush();
}

int lcd_quit (void)
{
  if (Lcd->quit==NULL) return 0;
  return Lcd->quit();
}