DigitalInput2.cpp

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#include <stdio.h>
#include <unistd.h>

#include "../hubolib.h"
#include "../hubocfg.h" // Required for changing default I2C device.

using namespace HuboLib;

/*
Compile and link: 
    g++ DigitalInput2.cpp -L../ -lhubo -lpthread -lrt -o DigitalInput2.out
Run:
    sudo ./DigitalInput2.out
Purpose:
    Read digital inputs 0 and 1 and display them in the console.
    The program will terminate when digital input 2 is lowered to ground.
    The hubo library gets properly de-initialized prior to finishing.
*/

int main(void)
{
    // If required - set the I2C device to work with. The Raspberry Pi uses "/dev/i2c-1" which is default, the Banana Pi uses "/dev/i2c-0"
    #ifdef BPI
        g_I2CConfig.m_sI2CDevice = "/dev/i2c-0";
    #endif

    // Initialize the library once in your program.
    Initialize();
    
    while (1) 
    {
        bool bState = false;
            
        // Read digital input number 0.
        Get_DI_Channel(0, bState);
        printf ("Digital input 0 = %s  ", bState ? "ON " : "OFF");
            
        // Read digital input number 1.
        Get_DI_Channel(1, bState);
        printf ("Digital input 1 = %s  \n", bState ? "ON " : "OFF");
        
        usleep (1000L * 10L);

        // Should we finish?
        Get_DI_Channel(2, bState);
        if (bState == false)
            break;
    } 

    // Free library resources.
    Uninitialize();
    
    return 0;
}