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82 lines
1.8 KiB
82 lines
1.8 KiB
/***************************************************************************
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led.cpp - description
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-------------------
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begin : do okt 9 2003
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copyright : (C) 2003 by Roeland Merks
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "led.h"
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#ifdef HAVE_MLED
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#include <fstream>
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#include <string>
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#include <fstream>
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#include <iostream>
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using namespace std;
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const char *ASUS_ACPI="/proc/acpi/asus/";
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Led::Led()
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{
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Led("wled");
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}
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Led::Led(const char *ledname)
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{
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string fname(string(ASUS_ACPI)+string(ledname));
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led=new ofstream(fname.c_str());
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// If there is no LED, just give a one time warning on cerr
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if (!(*led)) {
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static bool error_given=false;
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if (!error_given) {
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cerr << "Warning: trying to use Asus LED, but no ACPI-entry found.\n";
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error_given=true;
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}
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}
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}
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Led::~Led()
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{
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Off();
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delete led;
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}
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void Led::On()
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{
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if (*led) {
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*led << 1;
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led->flush();
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}
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}
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void Led::Off()
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{
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if (*led) {
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*led << 0;
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led->flush();
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}
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}
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#else
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Led::Led() {}
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Led::Led(const char *) {}
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Led::~Led() {}
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void Led::On() {}
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void Led::Off() {}
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#endif
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