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57 lines
1.3 KiB
57 lines
1.3 KiB
/*led.cpp*/
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#include"led.h"
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#include<iostream>
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#include<fstream>
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#include<string>
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#include<sstream>
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#define LED_PATH "/sys/class/leds/beaglebone:green:usr"
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LED::LED(int number){
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this->number = number;
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std::ostringstream s;
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s << LED_PATH << number; // LED number to the Path
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path = std::string(s.str()); // convert to string
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}
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void LED::writeLED(std::string filename, std::string value){
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std::ofstream fs;
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fs.open((path + filename).c_str());
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fs << value;
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fs.close();
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}
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void LED::removeTrigger(){
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writeLED("/trigger", "none");
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}
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void LED::turnOn(){
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std::cout << "Turning LED" << number << "on" << std::endl;
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removeTrigger();
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writeLED("/brightness", "1");
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}
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void LED::turnOff(){
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std::cout << "Turning LED" << number << "off" << std::endl;
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removeTrigger();
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writeLED("/brightness", "0");
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}
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void LED::flash(std::string delayms ="50"){
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std::cout << "Making LED" << number << "flash" << std::endl;
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writeLED("/trigger", "timer");
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writeLED("/delay_on", delayms);
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writeLED("/delay_off", delayms);
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}
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void LED::outputState(){
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std::ifstream fs;
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fs.open((path + "/trigger").c_str());
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std::string line;
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while(getline(fs,line)) std::cout << line <<std::endl;
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fs.close();
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}
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LED::~LED(){
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std::cout << "!!Destroying the LED with path: " << path << std::endl;
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}
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