OLED.cpp

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

#include <wiringPi.h>
#include <wiringPiI2C.h>


const int OLED = 0x3d;

int main(int argc, char const *argv[])
{
    int fd = wiringPiI2CSetup(OLED);

    if (fd < 0) {
        perror("I2C");
        exit(EXIT_FAILURE);
    }

    int response = wiringPiI2CRead(fd);
    printf("%x", response);

    

    return 0;
}