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/*
* GraphLCD tool lcdtestpattern
*
* lcdtestpattern.c - a tool to display some testpattern on an GLCD
*
* based on showpic.c of graphlcd-base
* (c) 2004 Andreas Regel <andreas.regel AT powarman.de>
*
* This file is released under the GNU General Public License. Refer
* to the COPYING file distributed with this package.
*
* (c) 2007 Alexander Rieger (Alexander.Rieger AT inka.de)
*/
//-----------------------------------------------------------------------------
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include <dlfcn.h>
#include <unistd.h>
#include <syslog.h>
#include <signal.h>
#include <string>
#include <glcdgraphics/bitmap.h>
#include <glcdgraphics/glcd.h>
#include <glcdgraphics/image.h>
#include <glcddrivers/config.h>
#include <glcddrivers/common.h>
#include <glcddrivers/driver.h>
#include <glcddrivers/drivers.h>
//-----------------------------------------------------------------------------
static const char *prgname = "lcdtestpattern";
static const char *version = "0.1.0";
static const int kDefaultSleepMs = 0;
static const char * kDefaultConfigFile = "/etc/graphlcd.conf";
static volatile bool stopProgramm = false;
//-----------------------------------------------------------------------------
static void sighandler(int signal)
{
switch (signal)
{
case SIGINT:
case SIGQUIT:
case SIGTERM:
stopProgramm = true;
} // switch
} // sighandler()
//-----------------------------------------------------------------------------
void usage()
{
fprintf(stdout, "\n");
fprintf(stdout, "%s v%s\n", prgname, version);
fprintf(stdout, "%s is a tool to show test patterns on a LCD.\n", prgname);
fprintf(stdout, "\n");
fprintf(stdout, " Usage: %s [-c CONFIGFILE] [-d DISPLAY] [-s SLEEP] [-uie]\n\n", prgname);
fprintf(stdout, " -c --config specifies the location of the config file\n");
fprintf(stdout, " (default: /etc/graphlcd.conf)\n");
fprintf(stdout, " -d --display specifies the output display (default is the first one)\n");
fprintf(stdout, " -u --upsidedown rotates the output by 180 degrees (default: no)\n");
fprintf(stdout, " -i --invert inverts the output (default: no)\n");
fprintf(stdout, " -s --sleep set sleeptime between two patterns [ms] (default: %d ms)\n", kDefaultSleepMs);
fprintf(stdout, " -b --brightness set brightness for display if driver support it [%%]\n");
fprintf(stdout, " (default: config file value)\n");
fprintf(stdout, "\n" );
fprintf(stdout, " examples: %s -c /etc/graphlcd.conf\n", prgname);
fprintf(stdout, " %s -c /etc/graphlcd.conf -d LCD_T6963 -u -i\n", prgname);
fprintf(stdout, "\n" );
} // usage()
//-----------------------------------------------------------------------------
int main(int argc, char *argv[])
{
static struct option long_options[] =
{
{"config", required_argument, NULL, 'c'},
{"display", required_argument, NULL, 'd'},
{"sleep", required_argument, NULL, 's'},
{"upsidedown", no_argument, NULL, 'u'},
{"invert", no_argument, NULL, 'i'},
{"brightness", required_argument, NULL, 'b'},
{NULL}
};
std::string configName = "";
std::string displayName = "";
bool upsideDown = false;
bool invert = false;
int brightness = -1;
int sleepMs = kDefaultSleepMs;
unsigned int displayNumber = 0;
int c, option_index = 0;
while ((c = getopt_long(argc, argv, "c:d:s:uib:", long_options, &option_index)) != -1)
{
switch(c)
{
case 'c':
configName = optarg;
break;
case 'd':
displayName = optarg;
break;
case 'u':
upsideDown = true;
break;
case 'i':
invert = true;
break;
case 's':
sleepMs = atoi(optarg);
break;
case 'b':
brightness = atoi(optarg);
if (brightness < 0) brightness = 0;
if (brightness > 100) brightness = 100;
break;
default:
usage();
return 1;
} // switch
} // while
if (configName.length() == 0)
{
configName = kDefaultConfigFile;
syslog(LOG_INFO, "Error: No config file specified, using default (%s).\n", configName.c_str());
} // if
if (GLCD::Config.Load(configName) == false)
{
fprintf(stdout, "Error loading config file!\n");
return 2;
} // if
if (GLCD::Config.driverConfigs.size() > 0)
{
if (displayName.length() > 0)
{
for (displayNumber = 0; displayNumber < GLCD::Config.driverConfigs.size(); displayNumber++)
{
if (GLCD::Config.driverConfigs[displayNumber].name == displayName)
break;
} // for
if (displayNumber == GLCD::Config.driverConfigs.size())
{
fprintf(stdout, "ERROR: Specified display %s not found in config file!\n", displayName.c_str());
return 3;
} // if
}
else
{
fprintf(stdout, "WARNING: No display specified, using first one.\n");
displayNumber = 0;
} // if
}
else
{
fprintf(stdout, "ERROR: No displays specified in config file!\n");
return 4;
} // if
GLCD::Config.driverConfigs[displayNumber].upsideDown ^= upsideDown;
GLCD::Config.driverConfigs[displayNumber].invert ^= invert;
if (brightness != -1)
{
GLCD::Config.driverConfigs[displayNumber].brightness = brightness;
} // if
GLCD::cDriver * lcd = GLCD::CreateDriver(GLCD::Config.driverConfigs[displayNumber].id, &GLCD::Config.driverConfigs[displayNumber]);
if (!lcd)
{
fprintf(stderr, "ERROR: Failed creating display object %s\n", displayName.c_str());
return 6;
} // if
if (lcd->Init() != 0)
{
fprintf(stderr, "ERROR: Failed initializing display %s\n", displayName.c_str());
delete lcd;
return 7;
} // if
lcd->SetBrightness(GLCD::Config.driverConfigs[displayNumber].brightness);
signal(SIGINT, sighandler);
signal(SIGQUIT, sighandler);
signal(SIGTERM, sighandler);
signal(SIGHUP, sighandler);
//----- show horizontal lines -----
for (int aByte = 1; aByte <= 255 && !stopProgramm; ++aByte)
{
unsigned char aData = GLCD::ReverseBits(aByte);
printf("clear and test byte: 0x%02X\n", aByte);
lcd->Clear();
for (int y = 0; y < lcd->Height() && !stopProgramm; ++y)
{
for (int x = 0; x < lcd->Width() && !stopProgramm; x += 8)
{
lcd->Set8Pixels(x, y, aData);
} // for
} // for
lcd->Refresh(true);
usleep(sleepMs * 1000);
} // for
//----- show vertial lines -----
for (int aByte = 1; aByte <= 255 && !stopProgramm; ++aByte)
{
printf("clear and test byte: 0x%02X\n", aByte);
lcd->Clear();
for (int y = 0; y < lcd->Height() && !stopProgramm; ++y)
{
unsigned char aData = (((1 << (y % 8)) & aByte) == 0) ? 0x00 : 0xFF;
for (int x = 0; x < lcd->Width() && !stopProgramm; x += 8)
{
lcd->Set8Pixels(x, y, aData);
} // for
} // for
lcd->Refresh(true);
usleep(sleepMs * 1000);
} // for
//----- cleanup -----
lcd->Clear();
lcd->Refresh(true);
lcd->DeInit();
delete lcd;
return 0;
} // main()
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