First thoughts to implement the serial connection support.

tools/muxctrl.py

@@ -48,6 +48,10 @@ THREAD_LOOP_DELAY_S = 0.01
 
 ###############################################################################
 
+ser = None
+
+###############################################################################
+
 baudrate = 0xffffffff
 muxLine  =       0xff
 
@@ -98,13 +102,14 @@ thread_lock = None
 ########## function to call by the thread
 def processReceivedData():
 
-  incoming = []
-
   thread_started = True
 
   for thread_stop == False:
 
     # 1. read byte from serial port into incoming
+	incoming = []
+	incoming = ser.read(64)
+
     # 2. process the received data
     for c in incoming:
       cc_state_fn[cc_state](c)
@@ -224,17 +229,16 @@ def resetToBtldr():
 
 #####
 def openSerialDevice(d):
-  pass
+  ser = serial.Serial(d, 115200, timeout=0)
 
 #####
 def closeSerialDevice():
-  pass
+  ser.close()
 
 #####
 def sendSerialData(data):
   for c in data:
-    
-    pass
+    ser.write(c)
 
 ###############################################################################