#include <fcntl.h>
#include <stdlib.h>
#include <linux/i2c-dev.h>
#include <linux/i2c.h>
#include <sys/ioctl.h>
#include <math.h>
#include <wiringPi.h>

int begin()
{
    printf("jetztkommtbeginblubs\n");
    int fd = 0;
    char *fileName = "/dev/i2c-1";

    // Open port for reading and writing
    if ((fd = open(fileName, O_RDWR)) < 0)
    {
        exit(1);
    }

    // Set the port options and set the address of the device
    int pantato=ioctl(fd, I2C_SLAVE, 0x70);
    if (pantato < 0)
    {
    printf("hurensohni2c\n");;
        close(fd);
        exit(1);
    }else{
    printf("i2cistsehrgut\n");
        printf("%d\n",pantato);
        printf("i2cistsehrsehrgut\n");

  }

    return fd;
}


void switch_channel(int fd, int channel){

    int check;
    check = wiringPiI2CWrite(fd, channel);
  printf("check is\n");
  printf("%d\n",check);
    //~ check = wiringPiI2CWriteReg8(address, SWITCH, channel);

    if (check==-1)
  {
        printf("could not switch\n");
  }else{
        printf("Switched to channel: %i \n",channel);
  }
}

int main(int argc, char **argv)
{
    printf("ehm\n");
  int fd = begin();
  switch_channel(fd, 0x04);
  printf("donewithallclosingnow\n");
  close (fd);
  return 0;
}