upm/examples/c++/lp8860.cxx

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <iostream>
#include <string>
#include "lp8860.hpp"

#define EDISON_I2C_BUS 1   // Edison I2C-1
#define LP8860_GPIO_PWR 45 // Edison GP45


void printState(upm::ILightController &lightController)
{
    if (lightController.isPowered())
    {
        std::cout << "Light is powered, brightness = " << lightController.getBrightness() << std::endl;
    }
    else
    {
        std::cout << "Light is not powered." << std::endl;
    }
}

int main( int argc, char **argv )
{
    //! [Interesting]
    upm::LP8860 lightController(LP8860_GPIO_PWR, EDISON_I2C_BUS);
    std::cout <<  "Existing state: "; printState(lightController);
    if (argc == 2)
    {
        std::string arg = argv[1];
        int brightness = ::atoi(argv[1]);
        if (brightness > 0)
        {
            lightController.setPowerOn();
            lightController.setBrightness(brightness);
        }
        else
            lightController.setPowerOff();
    }
    std::cout <<  "Now: ";printState(lightController);
    //! [Interesting]

    return 0;
}