/* $Id: drv_serdisplib.c,v 1.9 2006/02/27 06:14:46 reinelt Exp $
*
* driver for serdisplib displays
*
* Copyright (C) 2005 Michael Reinelt <reinelt@eunet.at>
* Copyright (C) 2005 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
*
* 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: drv_serdisplib.c,v $
* Revision 1.9 2006/02/27 06:14:46 reinelt
* graphic bug resulting in all black pixels solved
*
* Revision 1.8 2006/02/08 04:55:05 reinelt
* moved widget registration to drv_generic_graphic
*
* Revision 1.7 2006/01/30 06:25:54 reinelt
* added CVS Revision
*
* Revision 1.6 2006/01/30 05:47:38 reinelt
* graphic subsystem changed to full-color RGBA
*
* Revision 1.5 2005/05/28 09:06:14 reinelt
* serdisplib cosmetics
*
* Revision 1.4 2005/05/12 14:55:47 reinelt
* plugins for serdisplib driver
*
* Revision 1.3 2005/05/12 05:52:43 reinelt
* serdisplib GET_VERSION_MAJOR macro
*
* Revision 1.2 2005/05/11 04:27:49 reinelt
* small serdisplib bugs fixed
*
* Revision 1.1 2005/05/10 13:20:14 reinelt
* added serdisplib driver
*
*/
/*
*
* exported fuctions:
*
* struct DRIVER drv_serdisplib
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <serdisplib/serdisp.h>
/* Fixme: This should be removed as soon as serdisp.h
* contains this macros
*/
#ifndef SERDISP_VERSION_GET_MAJOR
#define SERDISP_VERSION_GET_MAJOR(_c) ((int)( (_c) >> 8 ))
#define SERDISP_VERSION_GET_MINOR(_c) ((int)( (_c) & 0xFF ))
#endif
#include "debug.h"
#include "cfg.h"
#include "qprintf.h"
#include "plugin.h"
#include "drv.h"
#include "drv_generic_graphic.h"
#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif
static char Name[] = "serdisplib";
static serdisp_CONN_t *sdcd;
static serdisp_t *dd;
/****************************************/
/*** hardware dependant functions ***/
/****************************************/
static void drv_SD_blit(const int row, const int col, const int height, const int width)
{
int r, c;
long color;
for (r = row; r < row + height; r++) {
for (c = col; c < col + width; c++) {
color = drv_generic_graphic_black(r, c) ? SD_COL_BLACK : SD_COL_WHITE;
serdisp_setcolour(dd, c, r, color);
}
}
serdisp_update(dd);
}
static int drv_SD_contrast(int contrast)
{
if (contrast < 0)
contrast = 0;
if (contrast > MAX_CONTRASTSTEP)
contrast = MAX_CONTRASTSTEP;
serdisp_feature(dd, FEATURE_CONTRAST, contrast);
return contrast;
}
static int drv_SD_backlight(int backlight)
{
if (backlight < FEATURE_NO)
backlight = FEATURE_NO;
if (backlight > FEATURE_YES)
backlight = FEATURE_YES;
serdisp_feature(dd, FEATURE_BACKLIGHT, backlight);
return backlight;
}
static int drv_SD_reverse(int reverse)
{
if (reverse < FEATURE_NO)
reverse = FEATURE_NO;
if (reverse > FEATURE_YES)
reverse = FEATURE_YES;
serdisp_feature(dd, FEATURE_REVERSE, reverse);
return reverse;
}
static int drv_SD_rotate(int rotate)
{
if (rotate < 0)
rotate = 0;
if (rotate > 3)
rotate = 3;
serdisp_feature(dd, FEATURE_ROTATE, rotate);
return rotate;
}
static int drv_SD_start(const char *section)
{
long version;
char *port, *model, *options, *s;
int contrast, backlight, reverse, rotate;
version = serdisp_getversioncode();
info("%s: header version %d.%d", Name, SERDISP_VERSION_MAJOR, SERDISP_VERSION_MINOR);
info("%s: library version %d.%d", Name, SERDISP_VERSION_GET_MAJOR(version), SERDISP_VERSION_GET_MINOR(version));
port = cfg_get(section, "Port", NULL);
if (port == NULL || *port == '\0') {
error("%s: no '%s.Port' entry from %s", Name, section, cfg_source());
return -1;
}
/* opening the output device */
sdcd = SDCONN_open(port);
if (sdcd == NULL) {
error("%s: open(%s) failed: %s", Name, port, sd_geterrormsg());
return -1;
}
model = cfg_get(section, "Model", "");
if (model == NULL || *model == '\0') {
error("%s: no '%s.Model' entry from %s", Name, section, cfg_source());
return -1;
}
info("%s: using model '%s'", Name, model);
options = cfg_get(section, "Options", "");
info("%s: using options '%s'", Name, options);
/* opening and initialising the display */
dd = serdisp_init(sdcd, model, options);
if (dd == NULL) {
error("%s: init(%s, %s, %s) failed: %s", Name, port, model, options, sd_geterrormsg());
SDCONN_close(sdcd);
return -1;
}
DROWS = serdisp_getheight(dd);
DCOLS = serdisp_getwidth(dd);
info("%s: display size %dx%d", Name, DCOLS, DROWS);
XRES = -1;
YRES = -1;
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;
}
if (sscanf(s, "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) {
error("%s: bad Font '%s' from %s", Name, s, cfg_source());
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());
return -1;
}
/* clear display */
serdisp_clear(dd);
if (cfg_number(section, "Contrast", 0, 0, MAX_CONTRASTSTEP, &contrast) > 0) {
drv_SD_contrast(contrast);
}
if (cfg_number(section, "Backlight", 0, 0, 1, &backlight) > 0) {
drv_SD_backlight(backlight);
}
if (cfg_number(section, "Reverse", 0, 0, 1, &reverse) > 0) {
drv_SD_reverse(reverse);
}
if (cfg_number(section, "Rotate", 0, 0, 3, &rotate) > 0) {
drv_SD_rotate(rotate);
}
return 0;
}
/****************************************/
/*** plugins ***/
/****************************************/
static void plugin_contrast(RESULT * result, RESULT * arg1)
{
double contrast;
contrast = drv_SD_contrast(R2N(arg1));
SetResult(&result, R_NUMBER, &contrast);
}
static void plugin_backlight(RESULT * result, RESULT * arg1)
{
double backlight;
backlight = drv_SD_backlight(R2N(arg1));
SetResult(&result, R_NUMBER, &backlight);
}
static void plugin_reverse(RESULT * result, RESULT * arg1)
{
double reverse;
reverse = drv_SD_reverse(R2N(arg1));
SetResult(&result, R_NUMBER, &reverse);
}
static void plugin_rotate(RESULT * result, RESULT * arg1)
{
double rotate;
rotate = drv_SD_rotate(R2N(arg1));
SetResult(&result, R_NUMBER, &rotate);
}
/****************************************/
/*** exported functions ***/
/****************************************/
/* list models */
int drv_SD_list(void)
{
printf("%s", "any");
return 0;
}
/* initialize driver & display */
int drv_SD_init(const char *section, const int quiet)
{
int ret;
info("%s: %s", Name, "$Revision: 1.9 $");
/* real worker functions */
drv_generic_graphic_real_blit = drv_SD_blit;
/* start display */
if ((ret = drv_SD_start(section)) != 0)
return ret;
/* initialize generic graphic driver */
if ((ret = drv_generic_graphic_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);
AddFunction("LCD::backlight", 1, plugin_backlight);
AddFunction("LCD::reverse", 1, plugin_reverse);
AddFunction("LCD::rotate", 1, plugin_rotate);
return 0;
}
/* close driver & display */
int drv_SD_quit(const int quiet)
{
info("%s: shutting down.", Name);
drv_generic_graphic_clear();
if (!quiet) {
drv_generic_graphic_greet("goodbye!", NULL);
}
drv_generic_graphic_quit();
serdisp_quit(dd);
return (0);
}
DRIVER drv_serdisplib = {
name:Name,
list:drv_SD_list,
init:drv_SD_init,
quit:drv_SD_quit,
};