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/***************************************************************************
led.cpp - description
-------------------
begin : do okt 9 2003
copyright : (C) 2003 by Roeland Merks
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "led.h"
#ifdef HAVE_MLED
#include <fstream>
#include <string>
#include <fstream>
#include <iostream>
using namespace std;
const char *ASUS_ACPI="/proc/acpi/asus/";
Led::Led()
{
Led("wled");
}
Led::Led(const char *ledname)
{
string fname(string(ASUS_ACPI)+string(ledname));
led=new ofstream(fname.c_str());
// If there is no LED, just give a one time warning on cerr
if (!(*led)) {
static bool error_given=false;
if (!error_given) {
cerr << "Warning: trying to use Asus LED, but no ACPI-entry found.\n";
error_given=true;
}
}
}
Led::~Led()
{
Off();
delete led;
}
void Led::On()
{
if (*led) {
*led << 1;
led->flush();
}
}
void Led::Off()
{
if (*led) {
*led << 0;
led->flush();
}
}
#else
Led::Led() {}
Led::Led(const char *) {}
Led::~Led() {}
void Led::On() {}
void Led::Off() {}
#endif
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