Add DTR toggle to baudrate detection code. Should fix #159

diff --git a/Cura/util/machineCom.py b/Cura/util/machineCom.py
index c7d285d5e91dcb3f9993f1ee97677eed1c163867..943d9694633c3cd5ef395f2ec8c2ed895ae31168 100644 (file)
--- a/Cura/util/machineCom.py
+++ b/Cura/util/machineCom.py
@@ -129,11 +129,19 @@ class MachineCom():
                        except:
                                print "Unexpected error while connecting to serial port:" + port, sys.exc_info()[0]
                                continue
+                       ser.setDTR(1)
+                       time.sleep(0.1)
+                       ser.setDTR(0)
+                       time.sleep(0.2)
                        starttime = time.time()
                        for line in ser:
                                if line.startswith('start'):
                                        ser.close()
-                                       return Serial(port, baudrate, timeout=2)
+                                       ser = Serial(port, baudrate, timeout=2)
+                                       ser.setDTR(1)
+                                       time.sleep(0.1)
+                                       ser.setDTR(0)
+                                       time.sleep(0.2)
                                if starttime - time.time() > 10:
                                        break
                        ser.close()