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Commit 110416af82c99ebc09f4d070e2c50213fbb4c397

Authored by Renan
Committed by Thiago Franco de Moraes
1 parent 5e6e840f
Exists in master

PLH stylus button can be used in PCs without serial ports (#113) 

* PLH stylus button can be used in PCs without serial ports

* Message box for communication error
Showing 1 changed file with 18 additions and 16 deletions   Show diff stats
invesalius/data/trigger.py
  Diff comments   View file @110416a
@@ -33,20 +33,21 @@ class Trigger(threading.Thread): @@ -33,20 +33,21 @@ class Trigger(threading.Thread):
33 threading.Thread.__init__(self) 33 threading.Thread.__init__(self)
34 self.trigger_init = None 34 self.trigger_init = None
35 self.stylusplh = False 35 self.stylusplh = False
  36 + self.COM = False
  37 + self.nav_id = nav_id
36 self.__bind_events() 38 self.__bind_events()
37 try: 39 try:
38 import serial 40 import serial
39 41
40 self.trigger_init = serial.Serial('COM1', baudrate=9600, timeout=0) 42 self.trigger_init = serial.Serial('COM1', baudrate=9600, timeout=0)
41 - self.nav_id = nav_id  
42 - self._pause_ = False  
43 - self.start() 43 + self.COM = True
44 44
45 - except ImportError:  
46 - print 'PySerial library not installed. Please install to use Trigger option.' 45 + except:
  46 + wx.MessageBox(_('Connection with port COM1 failed'), _('Communication error'), wx.OK | wx.ICON_ERROR)
  47 + self.COM = False
47 48
48 - except serial.serialutil.SerialException:  
49 - print 'Connection with port COM1 failed.' 49 + self._pause_ = False
  50 + self.start()
50 51
51 def __bind_events(self): 52 def __bind_events(self):
52 Publisher.subscribe(self.OnStylusPLH, 'PLH Stylus Button On') 53 Publisher.subscribe(self.OnStylusPLH, 'PLH Stylus Button On')
@@ -59,15 +60,16 @@ class Trigger(threading.Thread): @@ -59,15 +60,16 @@ class Trigger(threading.Thread):
59 60
60 def run(self): 61 def run(self):
61 while self.nav_id: 62 while self.nav_id:
62 - self.trigger_init.write('0')  
63 - sleep(0.3)  
64 - lines = self.trigger_init.readlines()  
65 - # Following lines can simulate a trigger in 3 sec repetitions  
66 - # sleep(3)  
67 - # lines = True  
68 - if lines:  
69 - wx.CallAfter(Publisher.sendMessage, 'Create marker')  
70 - sleep(0.5) 63 + if self.COM:
  64 + self.trigger_init.write('0')
  65 + sleep(0.3)
  66 + lines = self.trigger_init.readlines()
  67 + # Following lines can simulate a trigger in 3 sec repetitions
  68 + # sleep(3)
  69 + # lines = True
  70 + if lines:
  71 + wx.CallAfter(Publisher.sendMessage, 'Create marker')
  72 + sleep(0.5)
71 73
72 if self.stylusplh: 74 if self.stylusplh:
73 wx.CallAfter(Publisher.sendMessage, 'Create marker') 75 wx.CallAfter(Publisher.sendMessage, 'Create marker')