HDLCD_REG_COMMAND
hdlcd_write(hdlcd, HDLCD_REG_COMMAND, 1);
hdlcd_write(hdlcd, HDLCD_REG_COMMAND, 0);
hdlcd_write(hdlcd, HDLCD_REG_COMMAND, 0);
if (hdlcd_read(hdlcd, HDLCD_REG_COMMAND)) {
hdlcd_write(hdlcd, HDLCD_REG_COMMAND, 0);