From 5c432f0f6ecb84b8abad82cf8a6b0f856368261e Mon Sep 17 00:00:00 2001
From: Renan <renan_hiroshi@hotmail.com>
Date: Wed, 5 Apr 2017 09:43:57 -0300
Subject: [PATCH] Fix trackers connection (#76)

---
 invesalius/data/coordinates.py |  8 ++------
 invesalius/data/trackers.py    |  9 ++++-----
 invesalius/data/trigger.py     |  2 +-
 3 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/invesalius/data/coordinates.py b/invesalius/data/coordinates.py
index f9ab489..d24c5af 100644
--- a/invesalius/data/coordinates.py
+++ b/invesalius/data/coordinates.py
@@ -192,12 +192,8 @@ def PolhemusSerialCoord(trck_init, trck_id, ref_mode):
                 try:
                     plh1 = [float(s) for s in data[1:len(data)]]
                     j = 1
-                except ValueError:
-                    trck_init.write("P")
-                    data = trck_init.readline()
-                    data = data.replace('-', ' -')
-                    data = [s for s in data.split()]
-                    print "Trying to fix the error!!"
+                except:
+                    print "error!!"
 
             coord = data[0:6]
     return coord
diff --git a/invesalius/data/trackers.py b/invesalius/data/trackers.py
index 6cef8f0..efae251 100644
--- a/invesalius/data/trackers.py
+++ b/invesalius/data/trackers.py
@@ -132,11 +132,10 @@ def PlhWrapperConnection():
 
 
 def PlhSerialConnection(tracker_id):
-    trck_init = None
     try:
         import serial
 
-        trck_init = serial.Serial(0, baudrate=115200, timeout=0.2)
+        trck_init = serial.Serial('COM1', baudrate=115200, timeout=0.2)
 
         if tracker_id == 2:
             # Polhemus FASTRAK needs configurations first
@@ -145,6 +144,7 @@ def PlhSerialConnection(tracker_id):
         elif tracker_id == 3:
             # Polhemus ISOTRAK needs to set tracking point from
             # center to tip.
+            trck_init.write("F")
             trck_init.write("Y")
 
         trck_init.write('P')
@@ -154,6 +154,7 @@ def PlhSerialConnection(tracker_id):
             trck_init = None
 
     except:
+        trck_init = None
         print 'Could not connect to Polhemus serial.'
 
     return trck_init
@@ -183,9 +184,7 @@ def PlhUSBConnection(tracker_id):
         if not data:
             trck_init = None
 
-    except uc.USBError as err:
-        print 'Could not set configuration %s' % err
-    else:
+    except:
         print 'Could not connect to Polhemus USB.'
 
     return trck_init
diff --git a/invesalius/data/trigger.py b/invesalius/data/trigger.py
index 638ea52..a25719b 100644
--- a/invesalius/data/trigger.py
+++ b/invesalius/data/trigger.py
@@ -35,7 +35,7 @@ class Trigger(threading.Thread):
         try:
             import serial
 
-            self.trigger_init = serial.Serial('COM1', baudrate=115200, timeout=0)
+            self.trigger_init = serial.Serial('COM1', baudrate=9600, timeout=0)
             self.nav_id = nav_id
             self._pause_ = False
             self.start()
--
libgit2 0.21.2