neuer Modus "minibtx", reagiert auf 0x01 und 0x00 eines miniBtx bei der Anwahl

cept.py

@@ -65,7 +65,7 @@ btxlogo = (
         "\x1b\x7e"          # Zeichensatz G1 rechts
         "\x9b\x31\x40"      # Farbtafel 1 (Halbtöne)
         "\x1b\x23\x20\x54"  # ganzer Schirm blau
-        "\x1f\x3d1# 200961a\x1f\x2f" # Link zur Demo-Startseite 200961a
+        "\x1f\x3d1# 0a\x1f\x2f" # Link zur Startseite 0
         "\x1f\x43\x48\xb8\xa3\x12\x57\xe4"
         "\x1f\x44\x47\xea\xa0\x12\x59\xb5"
         "\x1f\x45\x47\xea     \xe0\xf8\xfc\xdf\x12\x49\xfc\xf4\xb0     \xb5"

config.py

@@ -19,13 +19,15 @@ PAGES=[
 LOGLEVEL=logging.DEBUG
 
 ## serial port settings:
-PORT="/dev/pts/5"
-#PORT="/dev/ttyUSB0"
-BAUDRATE="2400"
+#PORT="/dev/pts/5"
+PORT="/dev/ttyUSB3"
+BAUDRATE="1200"
 # if the system is connected directly (null-modem): MODE=direct
 # if the system is connected via a modem: MODE=modem
+# if the system is connected to a miniBtx module: MODE=minibtx
 #MODE="modem"
-MODE="direct"
+#MODE="direct"
+MODE="minibtx"
 # the init strings for the modem, sent serially at startup
 MODEM_INIT1="AT&F"
 MODEM_INIT2="AT%B1200/75%C0%E0%G1-J0\\N0&G1"

glob.py

@@ -13,4 +13,6 @@ from rtxPage import rtxPage
 cmdline = ""
 curpage = rtxPage()
 prevpage = rtxPage() # to be able to use ** to go back to last page
+
 ser = serial.Serial()
+mode = None

minibtx.py

@@ -0,0 +1,27 @@
+# -*- 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

rtx.py

@@ -13,31 +13,91 @@ import glob # global variables
 import config
 import rtxHelpers
 import rtxModem
+import minibtx
 
 import serial
 import logging
+import getopt
+import sys
 
 ####
 
 # configure the logging format
 logging.basicConfig(format='%(asctime)s %(levelname)s: %(message)s', level=config.LOGLEVEL, datefmt='%Y-%m-%d %I:%M:%S')
 
+# read command line parameters
+def OptionsError():
+    """ Fehler beim Kommandozeilenparameter """
+    print("Aufrufparamter:\n -d [device] -m [direct|modem|minibtx] -b [baudrate]")
+    sys.exit()
+
+localport = None
+localmode = None
+localbaud = None
+
+try:
+    opts, args = getopt.gnu_getopt(sys.argv[1:], 'd:m:b:')
+except getopt.GetoptError as err:
+    OptionsError()
+
+for opt, arg in opts:
+    if opt == "-d":
+        localport = arg
+    if opt == "-m":
+        localmode = arg
+    if opt == "-b":
+        localbaud = arg
+
+if localbaud:
+    if not localbaud.isdigit():
+        OptionsError()
+if localmode:
+    if not localmode in ("direct","modem","minibtx"):
+        OptionsError()
+
 # initialize serial connection to client
-logging.debug("Serial port %s, Baud rate %s", config.PORT, config.BAUDRATE)
-glob.ser = serial.Serial(config.PORT, config.BAUDRATE, timeout=None, rtscts=True, dsrdtr=True)
-logging.info("Serial port %s opened", glob.ser.name)
+if localport is not None:
+    serport = localport
+else:
+    serport = config.PORT
+if localbaud is not None:
+    serbaud = localbaud
+else:
+    serbaud = config.BAUDRATE
+if localmode is not None:
+    glob.mode = localmode
+else:
+    glob.mode = config.MODE
+
+logging.debug("Serial port %s, Baud rate %s", serport, serbaud)
+
+if glob.mode == "direct" or glob.mode == "modem":
+    glob.ser = serial.Serial(serport, serbaud, timeout=None, rtscts=True, dsrdtr=True)
+elif glob.mode == "minibtx":
+    glob.ser = serial.Serial(serport, serbaud, timeout=None, bytesize=8, parity='N', stopbits=2, rtscts=False, dsrdtr=False)
+else:
+    logging.error("wrong mode: %s - this should not happen", glob.mode)
+    sys.exit()
+
+#glob.ser = serial.Serial(config.PORT, config.BAUDRATE, timeout=None, rtscts=True, dsrdtr=True)
+glob.ser = serial.Serial(config.PORT, config.BAUDRATE, timeout=None, bytesize=8, parity='N', stopbits=2, rtscts=False, dsrdtr=False)
+
+logging.debug("Serial port %s opened", glob.ser.name)
 
 while True:
-	if config.MODE=="modem":
+    if glob.mode == "modem":
         rtxModem.init_modem()
         rtxModem.wait_for_caller()
         rtxHelpers.send_welcome_page()
+    elif glob.mode == "minibtx":
+        minibtx.wait_for_minibtx()
+        rtxHelpers.send_welcome_page()
 
     # main loop to read data from client
     while True:
         in_byte = glob.ser.read(1)
         rtxHelpers.process_byte(in_byte)
-		if config.MODE == "modem":
+        if glob.mode == "modem":
             if glob.ser.getCD() == False:
                 break
 

rtxHelpers.py

@@ -21,7 +21,7 @@ def process_byte(in_byte):
     """
     instr=str(in_byte, encoding="latin-1")
     
-    if config.MODE=="modem":
+    if glob.mode=="modem":
         logging.debug("> %s < CD: %s", instr, glob.ser.getCD())
 
     # what to send back to the client

rtxMask.py

@@ -80,7 +80,7 @@ class rtxMask:
         # read input and interpret it           
         while weiter==True:
             # if the modem hangs up, exit the function:
-            #if config.MODE == "modem" and glob.ser.getCD() == False:
+            #if glob.mode == "modem" and glob.ser.getCD() == False:
             #   weiter=False
             in_byte = glob.ser.read(1)
             instr = str(in_byte, encoding="latin-1")