/* Turns off the display and puts it into sleep mode Does not turn off backlight.  */
EMSTATUS DMD_sleep(void)
/* Turns off the display and puts it into sleep mode Does not turn off backlight.  */
EMSTATUS DMD_sleep(void)
{
      return DMD_ERROR_DRIVER_NOT_INITIALIZED;
   }
   data = DMD_SSD2119_SLEEP_MODE_1_SLP;
   DMDIF_writeReg(DMD_SSD2119_SLEEP_MODE_1, data);
   data = 0;
   DMDIF_writeReg(DMD_SSD2119_DISPLAY_CONTROL, 0x0000);
   return DMD_OK;
}