Multiplexer control script modified to get it working on windows.

pcb/USB2SerialMux.kicad_pcb

@@ -3,7 +3,7 @@
   (general
     (links 130)
     (no_connects 0)
-    (area 123.956999 89.993 192.560334 117.376333)
+    (area 124.409999 91.389999 190.296001 116.890001)
     (thickness 1.6)
     (drawings 8)
     (tracks 651)
@@ -281,11 +281,6 @@
       (net 71 /RESET))
     (pad 6 smd rect (at 3.302 -5.08 270) (size 3 1) (layers B.Cu B.Paste B.Mask)
       (net 1 GND))
-    (model Pin_Headers.3dshapes/Pin_Header_Straight_2x03.wrl
-      (at (xyz 0.05 -0.1 0))
-      (scale (xyz 1 1 1))
-      (rotate (xyz 0 0 90))
-    )
   )
 
   (module Housings_SSOP:TSSOP-16_4.4x5mm_Pitch0.65mm (layer B.Cu) (tedit 579A4441) (tstamp 5789E0C1)

pcb/USB2SerialMux.pro

@@ -1,4 +1,4 @@
-update=25.08.2016 18:28:32
+update=27.09.2016 11:23:30
 version=1
 last_client=kicad
 [cvpcb]
@@ -86,7 +86,7 @@ LibName34=crystal
 [schematic_editor]
 version=1
 PageLayoutDescrFile=
-PlotDirectoryName=
+PlotDirectoryName=usb2serialmux_sch.svg
 SubpartIdSeparator=0
 SubpartFirstId=65
 NetFmtName=

tools/muxctrl.py

@@ -310,9 +310,12 @@ def openSerialDevice(d):
 
   # Why 115200? Because the host defines the baudrate for the USB serial connection.
   try:
+    if "com" in d.lower():
+      d = "\\\\.\\" + d
+
     ser = serial.Serial(d, 115200, timeout=0)
   except:
-    print "ERROR: Can't open the serial device " + device
+    print "ERROR: Can't open the serial device " + d
     exit(1)
 
 #####