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tdenetwork/wifi/asusled.cpp

79 lines
1.8 KiB

/***************************************************************************
led.cpp - description
-------------------
begin : wo okt 8 2003
copyright : (C) 2003 by Stefan Winter
email : mail@stefan-winter.de
***************************************************************************/
/***************************************************************************
* *
* 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 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <fstream>
#include "asusled.h"
#include <kdebug.h>
Led::Led ()
{
led = new std::ofstream ("/proc/acpi/asus/wled");
// If there is no LED, just give a one time warning on cerr
if (!(*led))
{
static bool error_given = false;
if (!error_given)
{
kdDebug () <<
"No Asus WLAN LED found, disabling LED updates" << endl;
error_given = true;
}
}
Off ();
// if Asusled not present, state never gets initialised, so we do it once here
// so that valgrind doesn't complain.
state = false;
}
Led::~Led ()
{
Off ();
delete led;
}
void
Led::On (void)
{
if (*led)
{
*led << 1;
led->flush ();
state = true;
}
}
void
Led::Off (void)
{
if (*led)
{
*led << 0;
led->flush ();
state = false;
}
}