Added gpsd_report check

gps_tool/gps_tool.py

@@ -125,124 +125,129 @@ class QtGPSWindow(MainWindow):
     global gpsd_report
     report = gpsd_report
 
+    # make sure is good report
     try:
-      if report['class'] == 'TPV': 
+      if not 'class' in report:
-        status = getattr(report, 'status', 0)
+        return
-        mode = getattr(report, 'mode', 0)
-        time = getattr(report, 'time', 0)
-        lat = getattr(report, 'lat', 0.0)
-        lon = getattr(report, 'lon', 0.0)
-        elev = getattr(report, 'altHAE', 0.0)   # meters
-        heading = getattr(report, 'track', 0.0)
-        speed = getattr(report, 'speed', 0.0)   # m/sec
-      
-        self.txtStatus.setText(fix_status[status])
-        self.txtMode.setText(fix_mode[mode])
-        self.txtTime.setText(time)
-        self.txtLatitude.setText("%10.7f" %(lat))
-        self.txtLongitude.setText("%10.7f" % (lon))
-        self.txtAltitude.setText("%7.2f" % (elev))
-        self.txtHeading.setText("%7.2f" % (heading))
-        self.txtSpeed.setText("%7.2f" % (speed))
-
-        self.txtGrid.setText(mh.to_maiden(lat, lon))
-
-        if self.log_enabled:
-          point = gpxpy.gpx.GPXTrackPoint(lat, lon, elevation=elev)
-          point.time = datetime.now()
-          self.gpx_segment.points.append(point)
-          self.num_points += 1
-        self.num_count += 1
-        self.txtCount.setText(str(self.num_count))
-        
-      elif report['class'] == 'SKY':
-        self.txtHDOP.setText(str(getattr(report, 'hdop', 0.0)))
-        self.txtVDOP.setText(str(getattr(report, 'vdop', 0.0)))
-        satellites = getattr(report, 'satellites')
-
-        txt = "%4s %4s %4s %3s %1s" % ('PRN', 'Azim', 'Elev', 'SNR', 'Used')
-        self.txtSatellites.setStyleSheet("background-color: rgb(0, 0, 0)")
-        self.txtSatellites.setTextColor(self.white)
-        self.txtSatellites.setFontWeight(QFont.Bold)
-        self.txtSatellites.setText(txt)
-      
-        prns = []
-        radius = []
-        theta = []
-        colors = []
-        markers = []
-      
-        for (i, satellite) in enumerate(satellites):
-          prn = int(satellite['PRN'])
-          azim = int(satellite['az'])
-          elev = int(satellite['el'])
-          snr = int(satellite['ss'])
-          used = int(satellite['used'])
-#          health = satellite['health']
-
-          # don't show if not visible
-          if azim >= 360 or elev < -10 or elev > 90:
-            continue;
-        
-          cname = '#000000'
-          color = self.black
-          if snr < 12:
-            cname = '#808080'
-            color = self.gray
-          elif snr < 30:
-            cname = '#ff0000'
-            color = self.red
-          elif snr < 36:
-            cname = '#ffd300'
-            color = self.yellow
-          elif snr < 42:
-            cname = '#00ff00'
-            color = self.green
-          else:
-            cname = '#0000ff'
-            color = self.blue
-        
-          txt = "%4u %4u %4u %3u %1u" % (prn, azim, elev, snr, used)
-          self.txtSatellites.setTextColor(color)
-          if used:
-            self.txtSatellites.setFontWeight(QFont.Bold)
-          else:
-            self.txtSatellites.setFontWeight(QFont.Normal)          
-          self.txtSatellites.append(txt)
-        
-          prns.append(prn)
-          theta.append(radians(float(azim)))
-          radius.append(float(elev))
-          colors.append(cname)
-          if used:
-            markers.append(ord('P'))
-          else:
-            markers.append(ord('+'))
-      
-        area = 100
-        figure = Figure()
-        polar = figure.add_subplot(111, projection='polar')
-        polar.scatter(theta, radius, c=colors, s=area, cmap=None, alpha=0.75)
-        polar.set_rorigin(90.0)
-        polar.set_xticklabels([])
-        polar.set_yticklabels([])
-        for i, prn in enumerate(prns):
-          polar.annotate(str(prn), (theta[i], radius[i]))
-    
-        polar.set_theta_direction(-1)
-        polar.set_theta_zero_location('N', offset=0)
-
-        canvas = FigureCanvas(figure)
-        self.scene.clear()
-        self.scene.addWidget(canvas)
-        h = float(self.scene.height()) / 2.0
-        w = float(self.scene.width()) / 2.0
-        self.viewSatellites.centerOn(w,h)
-        self.viewSatellites.show()
-      
-      self.show()
     except:
-      pass
+      return
+    
+    # GPS messages
+    if report['class'] == 'TPV': 
+      status = getattr(report, 'status', 0)
+      mode = getattr(report, 'mode', 0)
+      time = getattr(report, 'time', 0)
+      lat = getattr(report, 'lat', 0.0)
+      lon = getattr(report, 'lon', 0.0)
+      elev = getattr(report, 'altHAE', 0.0)   # meters
+      heading = getattr(report, 'track', 0.0)
+      speed = getattr(report, 'speed', 0.0)   # m/sec
+      
+      self.txtStatus.setText(fix_status[status])
+      self.txtMode.setText(fix_mode[mode])
+      self.txtTime.setText(time)
+      self.txtLatitude.setText("%10.7f" %(lat))
+      self.txtLongitude.setText("%10.7f" % (lon))
+      self.txtAltitude.setText("%7.2f" % (elev))
+      self.txtHeading.setText("%7.2f" % (heading))
+      self.txtSpeed.setText("%7.2f" % (speed))
+
+      self.txtGrid.setText(mh.to_maiden(lat, lon))
+
+      if self.log_enabled:
+        point = gpxpy.gpx.GPXTrackPoint(lat, lon, elevation=elev)
+        point.time = datetime.now()
+        self.gpx_segment.points.append(point)
+        self.num_points += 1
+      self.num_count += 1
+      self.txtCount.setText(str(self.num_count))
+        
+    elif report['class'] == 'SKY':
+      self.txtHDOP.setText(str(getattr(report, 'hdop', 0.0)))
+      self.txtVDOP.setText(str(getattr(report, 'vdop', 0.0)))
+      satellites = getattr(report, 'satellites')
+
+      txt = "%4s %4s %4s %3s %1s" % ('PRN', 'Azim', 'Elev', 'SNR', 'Used')
+      self.txtSatellites.setStyleSheet("background-color: rgb(0, 0, 0)")
+      self.txtSatellites.setTextColor(self.white)
+      self.txtSatellites.setFontWeight(QFont.Bold)
+      self.txtSatellites.setText(txt)
+      
+      prns = []
+      radius = []
+      theta = []
+      colors = []
+      markers = []
+      
+      for (i, satellite) in enumerate(satellites):
+        prn = int(satellite['PRN'])
+        azim = int(satellite['az'])
+        elev = int(satellite['el'])
+        snr = int(satellite['ss'])
+        used = int(satellite['used'])
+#        health = satellite['health']
+
+        # don't show if not visible
+        if azim >= 360 or elev < -10 or elev > 90:
+          continue;
+        
+        cname = '#000000'
+        color = self.black
+        if snr < 12:
+          cname = '#808080'
+          color = self.gray
+        elif snr < 30:
+          cname = '#ff0000'
+          color = self.red
+        elif snr < 36:
+          cname = '#ffd300'
+          color = self.yellow
+        elif snr < 42:
+          cname = '#00ff00'
+          color = self.green
+        else:
+          cname = '#0000ff'
+          color = self.blue
+        
+        txt = "%4u %4u %4u %3u %1u" % (prn, azim, elev, snr, used)
+        self.txtSatellites.setTextColor(color)
+        if used:
+          self.txtSatellites.setFontWeight(QFont.Bold)
+        else:
+          self.txtSatellites.setFontWeight(QFont.Normal)          
+        self.txtSatellites.append(txt)
+        
+        prns.append(prn)
+        theta.append(radians(float(azim)))
+        radius.append(float(elev))
+        colors.append(cname)
+        if used:
+          markers.append(ord('P'))
+        else:
+          markers.append(ord('+'))
+      
+      area = 100
+      figure = Figure()
+      polar = figure.add_subplot(111, projection='polar')
+      polar.scatter(theta, radius, c=colors, s=area, cmap=None, alpha=0.75)
+      polar.set_rorigin(90.0)
+      polar.set_xticklabels([])
+      polar.set_yticklabels([])
+      for i, prn in enumerate(prns):
+        polar.annotate(str(prn), (theta[i], radius[i]))
+    
+      polar.set_theta_direction(-1)
+      polar.set_theta_zero_location('N', offset=0)
+
+      canvas = FigureCanvas(figure)
+      self.scene.clear()
+      self.scene.addWidget(canvas)
+      h = float(self.scene.height()) / 2.0
+      w = float(self.scene.width()) / 2.0
+      self.viewSatellites.centerOn(w,h)
+      self.viewSatellites.show()
+      
+    self.show()
   
   def toggle_logging(self):
     if self.log_enabled: