#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

#include "ezodo.h"

int main()
{
    int fd = open("/dev/i2c-1", O_RDWR);

    if (fd < 0)
    {
        fprintf(stderr, "%s\n", strerror(errno));
        return -1;
    }

    double oxygen;

    if (getDO(fd, &oxygen) < 0)
    {
        close(fd);
        return -1;
    }

    printf("{ \"do\": %.3f }\n", oxygen);
    close(fd);

    return 0;
}