/* $Id$
* $URL$
*
* LUIse lcd4linux driver
*
* Copyright (C) 2005 Theo Schneider <theo@schneider-berlin.net>
* 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.
*
*/
/*
*
* exported fuctions:
*
* struct DRIVER drv_LUIse
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <usb.h>
#include <luise.h>
#include "debug.h"
#include "cfg.h"
#include "qprintf.h"
#include "udelay.h"
#include "plugin.h"
#include "drv.h"
#include "drv_generic_graphic.h"
static char Name[] = "LUIse";
/* default Wert */
static int devNum = 0;
/****************************************/
/*** hardware dependant functions ***/
/****************************************/
static void drv_LUIse_clear(void)
{
unsigned char buf[9600];
int x;
// clear text
LUI_Text(devNum, 0, 0, 320, 240, 0, 0, 1, 1, "");
// clear picture
for (x = 0; x < 9600; x++)
buf[x] = 0x00;
LUI_Bitmap(devNum, 0, 0, 0, 0, 0, DCOLS, DROWS, DCOLS, DROWS, buf);
LUI_Bitmap(devNum, 1, 0, 0, 0, 0, DCOLS, DROWS, DCOLS, DROWS, buf);
}
static void drv_LUIse_blit(const int row, const int col, const int height, const int width)
{
int r, c;
for (r = row; r < row + height; r++) {
for (c = col; c < col + width; c++) {
if (drv_generic_graphic_black(r, c)) {
LUI_SetPixel(devNum, 0, c, r, 1);
} else {
LUI_SetPixel(devNum, 0, c, r, 0);
}
}
}
}
static int drv_LUIse_contrast(int contrast)
{
/* adjust limits according to the display */
if (contrast < 0)
contrast = 0;
if (contrast > 255)
contrast = 255;
LUI_SetContrast(devNum, contrast);
return contrast;
}
static int drv_LUIse_backlight(int backlight)
{
if (backlight < 0)
backlight = 0;
if (backlight > 1)
backlight = 1;
LUI_CCFL(devNum, backlight);
return backlight;
}
/* start graphic display */
static int drv_LUIse_start(const char *section)
{
char *s;
int gfxmode, gfxinvert, ScreenRotation, IOrefresh;
int contrast, backlight;
/* read devNum from config */
s = cfg_get(section, "DeviceNum", 0);
if (s == NULL || *s == '\0') {
error("%s: no '%s.DeviceNum' entry from %s", Name, section, cfg_source());
return -1;
}
if (sscanf(s, "%d", &devNum) < 0 || devNum > 4) {
error("%s: bad DeviceNum '%s' from %s", Name, s, cfg_source());
return -1;
}
info("%s: using DeviceNum '%d'", Name, devNum);
/* open communication with the display */
if (LUI_OpenDevice(devNum) > 0) {
error("unable to open DeviceNum: %d", devNum);
return -1;
}
/*
* 0 : gfxmode 0 = or, 1 = and, 2 = xor
* 0 : gfxinvert 0 = normal, 1 = invert
* 0 : ScreenRotation 0 =, 1 =, 2 =, 3 =,
* 2 : IOrefresh 0 = 25ms...255=256*25ms
*/
s = cfg_get(section, "Mode", "0.0.0.2");
if (s == NULL || *s == '\0') {
error("%s: no '%s.Mode' entry from %s", Name, section, cfg_source());
return -1;
}
if (sscanf(s, "%d.%d.%d.%d", &gfxmode, &gfxinvert, &ScreenRotation, &IOrefresh) != 4 ||
gfxmode < 0 || gfxmode > 2 || gfxinvert < 0 || gfxinvert > 1 ||
ScreenRotation < 0 || ScreenRotation > 255 || IOrefresh < 0 || IOrefresh > 255) {
error("%s: bad Mode '%s' from %s", Name, s, cfg_source());
return -1;
}
if (LUI_LCDmode(devNum, gfxmode, gfxinvert, ScreenRotation, IOrefresh) > 0) {
error("Error LUI_LCDmode");
return -1;
}
switch (ScreenRotation) {
case 0:{
DCOLS = 320;
DROWS = 240;
break;
}
case 1:{
DCOLS = 240;
DROWS = 320;
break;
}
case 2:{
DCOLS = 320;
DROWS = 240;
break;
}
case 3:{
DCOLS = 240;
DROWS = 320;
break;
}
}
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());
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;
}
if (cfg_number(section, "Contrast", 128, 0, 255, &contrast) > 0) {
drv_LUIse_contrast(contrast);
}
if (cfg_number(section, "Backlight", 0, 0, 1, &backlight) > 0) {
drv_LUIse_backlight(backlight);
}
s = cfg_get(section, "Backpicture", NULL);
if (s == NULL || *s == '\0') {
error("%s: no '%s.Backpicture' entry from %s", Name, section, cfg_source());
} else {
drv_LUIse_clear();
if (LUI_BMPfile(devNum, 1, 0, 0, 0, 0, DCOLS, DROWS, s)) {
error("%s: Sorry unable to load: %s", Name, s);
return -1;
}
}
return 0;
}
/****************************************/
/*** plugins ***/
/****************************************/
static void plugin_contrast(RESULT * result, RESULT * arg1)
{
double contrast;
contrast = drv_LUIse_contrast(R2N(arg1));
SetResult(&result, R_NUMBER, &contrast);
}
static void plugin_backlight(RESULT * result, RESULT * arg1)
{
double backlight;
backlight = drv_LUIse_backlight(R2N(arg1));
SetResult(&result, R_NUMBER, &backlight);
}
/****************************************/
/*** exported functions ***/
/****************************************/
/* list models */
int drv_LUIse_list(void)
{
printf("generic");
return 0;
}
/* initialize driver & display */
int drv_LUIse_init(const char *section, const int quiet)
{
int ret;
info("%s: %s", Name, "$Rev$");
/* real worker functions */
drv_generic_graphic_real_blit = drv_LUIse_blit;
/* start display */
if ((ret = drv_LUIse_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);
return 0;
}
/* close driver & display */
/* use this function for a graphic display */
int drv_LUIse_quit(const int quiet)
{
info("%s: shutting down.", Name);
/* clear display */
drv_LUIse_clear();
/* set default for Contrast, ScreenRotation, gfxmode, gfxinvert, IOrefresh */
LUI_SetContrast(devNum, 128);
LUI_LCDmode(devNum, 0, 0, 0, 2);
/* say goodbye... */
if (!quiet) {
drv_generic_graphic_greet("goodbye!", NULL);
}
drv_generic_graphic_quit();
debug("closing connection");
LUI_CloseDevice(devNum);
return (0);
}
/* use this one for a graphic display */
DRIVER drv_LUIse = {
.name = Name,
.list = drv_LUIse_list,
.init = drv_LUIse_init,
.quit = drv_LUIse_quit,
};