# -*- coding: UTF-8 -*-
'''
rtx - RetroText
minibtx: Funktionen für das miniBtx-Modul
by Anna Christina Naß <acn@acn.wtf>
released under GPL
'''

import glob
import serial
import config
import logging

MINIBTX_START = b'\x01'
MINIBTX_CONNECT = b'\x00'

def wait_for_minibtx():
    connected = False
    logging.debug("wait_for_minibtx")
    while not connected:
        rc = glob.ser.read(1)
        logging.debug("miniBtx: >%s<", rc)
        if rc == MINIBTX_START:
            logging.info("miniBtx starts connection...")
        if rc == MINIBTX_CONNECT:
            logging.info("miniBtx connected!")
            connected = True