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/*
* GraphLCD driver library
*
* simlcd.c - SimLCD driver class
* Output goes to a file instead of lcd.
* Use SimLCD tool to view this file.
*
* This file is released under the GNU General Public License. Refer
* to the COPYING file distributed with this package.
*
* (c) 2001-2004 Carsten Siebholz <c.siebholz AT t-online.de>
* (c) 2011 Dirk Heiser
* (c) 2011 Wolfgang Astleitner <mrwastl AT users.sourceforge.net>
*/
#include <stdio.h>
#include <syslog.h>
#include <cstring>
#include "common.h"
#include "config.h"
#include "simlcd.h"
#define DISPLAY_REFRESH_FILE "/tmp/simlcd.sem"
#define DISPLAY_DATA_FILE "/tmp/simlcd.dat"
#define TOUCH_REFRESH_FILE "/tmp/simtouch.sem"
#define TOUCH_DATA_FILE "/tmp/simtouch.dat"
#define FG_CHAR "#"
#define BG_CHAR "."
namespace GLCD
{
cDriverSimLCD::cDriverSimLCD(cDriverConfig * config) : cDriver(config)
{
}
int cDriverSimLCD::Init(void)
{
width = config->width;
if (width <= 0)
width = 240;
height = config->height;
if (height <= 0)
height = 128;
for (unsigned int i = 0; i < config->options.size(); i++)
{
if (config->options[i].name == "")
{
}
}
// setup lcd array
LCD = new uint32_t *[width];
if (LCD)
{
for (int x = 0; x < width; x++)
{
LCD[x] = new uint32_t[height];
//memset(LCD[x], 0, height);
}
}
*oldConfig = *config;
// clear display
Clear();
syslog(LOG_INFO, "%s: SIMLCD initialized.\n", config->name.c_str());
return 0;
}
int cDriverSimLCD::DeInit(void)
{
// free lcd array
if (LCD)
{
for (int x = 0; x < width; x++)
{
delete[] LCD[x];
}
delete[] LCD;
}
return 0;
}
int cDriverSimLCD::CheckSetup(void)
{
if (config->width != oldConfig->width ||
config->height != oldConfig->height)
{
DeInit();
Init();
return 0;
}
if (config->upsideDown != oldConfig->upsideDown ||
config->invert != oldConfig->invert)
{
oldConfig->upsideDown = config->upsideDown;
oldConfig->invert = config->invert;
return 1;
}
return 0;
}
void cDriverSimLCD::Clear(void)
{
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
LCD[x][y] = GRAPHLCD_White;
}
}
}
void cDriverSimLCD::SetPixel(int x, int y, uint32_t data)
{
if (x >= width || y >= height)
return;
if (config->upsideDown)
{
// upside down orientation
x = width - 1 - x;
y = height - 1 - y;
}
LCD[x][y] = data;
}
void cDriverSimLCD::Refresh(bool refreshAll)
{
FILE * fp = NULL;
int x;
int y;
if (CheckSetup() > 0)
refreshAll = true;
fp = fopen(DISPLAY_REFRESH_FILE, "r");
if (!fp || refreshAll)
{
if (fp)
fclose(fp);
fp = fopen(DISPLAY_DATA_FILE, "w");
if (fp)
{
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
if (LCD[x][y] == GRAPHLCD_Black)
{
if (!config->invert)
{
fprintf(fp,FG_CHAR);
} else
{
fprintf(fp,BG_CHAR);
}
}
else
{
if (!config->invert)
{
fprintf(fp,BG_CHAR);
} else
{
fprintf(fp,FG_CHAR);
}
}
}
fprintf(fp,"\n");
}
fclose(fp);
}
fp = fopen(DISPLAY_REFRESH_FILE, "w");
fclose(fp);
}
else
{
fclose(fp);
}
}
uint32_t cDriverSimLCD::GetBackgroundColor(void)
{
return GRAPHLCD_White;
}
bool cDriverSimLCD::GetDriverFeature(const std::string & Feature, int & value)
{
if (strcasecmp(Feature.c_str(), "depth") == 0) {
value = 1;
return true;
} else if (strcasecmp(Feature.c_str(), "ismonochrome") == 0) {
value = true;
return true;
} else if (strcasecmp(Feature.c_str(), "isgreyscale") == 0 || strcasecmp(Feature.c_str(), "isgrayscale") == 0) {
value = false;
return true;
} else if (strcasecmp(Feature.c_str(), "iscolour") == 0 || strcasecmp(Feature.c_str(), "iscolor") == 0) {
value = false;
return true;
} else if (strcasecmp(Feature.c_str(), "touch") == 0 || strcasecmp(Feature.c_str(), "touchscreen") == 0) {
value = false;
return true;
}
value = 0;
return false;
}
} // end of namespace
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