/* Reads the device code of the LCD controller DOESN'T WORK.  */
uint16_t DMDIF_readDeviceCode(void)
/* Reads the device code of the LCD controller DOESN'T WORK.  */
uint16_t DMDIF_readDeviceCode(void)
{
  uint16_t deviceCode;
  setNextReg(DMD_SSD2119_DEVICE_CODE_READ);
  deviceCode    = *data_register;
  return deviceCode;
}