Some buf fixes and small enhancements

nmea0183.py

@@ -2,7 +2,8 @@
 NMEA0183 verarbeiten
 
 TODO Multi-Sentence verarbeiten
-  TXT
+  TXT Textmeldungen (Alarm)
+  RTE Routendaten
   AIS-Sentences mit Binärdaten
 """
 
@@ -33,7 +34,7 @@ NMEA0183: Parse-Error: !AIVDM,1,1,,A,H3ti3hPpDhiT0    """
     print(msg.fields)
     print(msg.data)
     #boatdata.setValue("LAT", msg.latitude)
-    
+
 def GGA(boatdata, msg):
     # Time, position, and fix related data
     # msg.num_sats
@@ -160,7 +161,33 @@ def RMB(boatdata, msg):
     # Recommended Minimum Navigation Information
     # Informationen bzgl. Erreichen des nächsten Wegepunkts
     #
+    # (('Status', 'status'),
+    # ('Cross Track Error', 'cross_track_error'),
+    #('Cross Track Error, direction to corrent', 'cte_correction_dir'),
+    #('Origin Waypoint ID', 'origin_waypoint_id'),
+    # ('Destination Waypoint ID', 'dest_waypoint_id'),
+    #('Destination Waypoint Latitude', 'dest_lat'),
+    #('Destination Waypoint Lat Direction', 'dest_lat_dir'),
+    # ('Destination Waypoint Longitude', 'dest_lon'),
+    #('Destination Waypoint Lon Direction', 'dest_lon_dir'),
+    #('Range to Destination', 'dest_range'),
+    #('True Bearing to Destination', 'dest_true_bearing'),
+    #('Velocity Towards Destination', 'dest_velocity'),
+    #('Arrival Alarm', 'arrival_alarm'))
     print("-> RMB")
+    if not msg.status == 'A':
+        return
+    lat_fac = 1 if msg.dest_lat_dir == 'N' else -1
+    lat_deg = int(msg.dest_lat[0:2])
+    lat_min = float(msg.dest_lat[2:])
+    lon_fac = 1 if msg.dest_lon_dir == 'E' else -1
+    lon_deg = int(msg.dest_lon[0:3])
+    lon_min = float(msg.dest_lon[3:])
+    boatdata.setValue("WPLat", lat_fac * lat_deg + lat_min / 60)
+    boatdata.setValue("WPLon", lon_fac * lon_deg + lon_min / 60)
+    boatdata.setValue("WPname", msg.dest_waypoint_id)
+    boatdata.setValue("DTW", float(msg.dest_range))
+    boatdata.setValue("BTW", float(msg.dest_true_bearing))
 
 def RMC(boatdata, msg):
     # Recommended Minimum Navigation Information
@@ -200,10 +227,28 @@ def RSA(boatdata, msg):
     if msg.rsa_port_status == 'A':
         boatdata.setValue("PRPOS", msg.rsa_port)
 
+rte_curr = 0
+rte_max = 0
+rte_wpl = []
+
 def RTE(boatdata, msg):
-    # Route
+    # Route: List of Waypoints
+    # num_in_seq, sen_num, start_type, active_route_id
+    global rte_curr, rte_max
+    nmax = int(msg.sen_num)
+    n = int(msg.num_in_seq)
+    if nmax > 1:
+        if rte_curr == 0 and n == 1:
+            # neue Nachricht
+            pass
+        else:
+            # Fortsetzung
+            pass
+    else:
+        pass
     print("-> RTE")
     print(msg.fields)
+    print(msg.waypoint_list)
 
 txt_msg = ''
 txt_type = None
@@ -259,16 +304,17 @@ def VPW(boatdata, msg):
 def VTG(boatdata, msg):
     # Track made good and speed over ground
     """
-(('True Track made good', 'true_track', <class 'float'>), 
+(('True Track made good', 'true_track', <class 'float'>),
-('True Track made good symbol', 'true_track_sym'), 
+('True Track made good symbol', 'true_track_sym'),
 ('Magnetic Track made good', 'mag_track', <class 'decimal.Decimal'>),
- ('Magnetic Track symbol', 'mag_track_sym'), 
+('Magnetic Track symbol', 'mag_track_sym'),
- ('Speed over ground knots', 'spd_over_grnd_kts', <class 'decimal.Decimal'>),
+('Speed over ground knots', 'spd_over_grnd_kts', <class 'decimal.Decimal'>),
-  ('Speed over ground symbol', 'spd_over_grnd_kts_sym'),
+('Speed over ground symbol', 'spd_over_grnd_kts_sym'),
-   ('Speed over ground kmph', 'spd_over_grnd_kmph', <class 'float'>),
+('Speed over ground kmph', 'spd_over_grnd_kmph', <class 'float'>),
-    ('Speed over ground kmph symbol', 'spd_over_grnd_kmph_sym'), 
+('Speed over ground kmph symbol', 'spd_over_grnd_kmph_sym'),
-    ('FAA mode indicator', 'faa_mode'))
+('FAA mode indicator', 'faa_mode'))
-['', 'T', '', 'M', '0.117', 'N', '0.216', 'K', 'A']    """
+['', 'T', '', 'M', '0.117', 'N', '0.216', 'K', 'A']
+    """
     print("-> VTG")
     # msg.true_track true_track_sym
     # msg.mag_track mag_track_sym
@@ -290,15 +336,38 @@ def VWR(boatdata, msg):
     boatdata.setValue("AWS", msg.wind_speed_ms)
 
 def WPL(boatdata, msg):
+    # Waypoint
+    # lat, lat_dir
+    # lon, lon_dir
+    # waypoint_id (name)
     print("-> WPL")
     print(msg.fields)
 
+    lat_fac = 1 if msg.lat_dir == 'N' else -1
+    lat_deg = int(msg.lat[0:2])
+    lat_min = float(msg.lat[2:])
+    #boatdata.setValue("LAT", lat_fac * lat_deg + lat_min / 60)
+    lon_fac = 1 if msg.lon_dir == 'E' else -1
+    lon_deg = int(msg.lon[0:3])
+    lon_min = float(msg.lon[3:])
+    #boatdata.setValue("LON", lon_fac * lon_deg + lon_min / 60)
+
+    # Prüfe, ob der Wegepunkt schon existiert
+    if msg.waypoint_id in boatdata.wps:
+        # Wegepunkt aktualisieren
+        pass
+    else:
+        # neuen Wegepunkt anlegen
+        # boatdata.wps[waypoint_id]
+        pass
+
+
 def VWT(boatdata, msg):
     # True Wind Speed and Angle
     if msg.direction == "R":
         angle = msg.wind_angle_vessel
     else:
-        angle = 360 - msg.wind_angle_vessel 
+        angle = 360 - msg.wind_angle_vessel
     boatdata.setValue("TWA", angle)
     boatdata.setValue("TWS", msg.wind_speed_meters)
 
@@ -377,6 +446,6 @@ decoder = {
     "XTE": XTE,
     "XTR": XTR,
     "ZDA": ZDA,
-    
+
     "VDM": VDM
 }

pages/onevalue.py

@@ -27,5 +27,6 @@ class OneValue(Page):
         if self.ref1.value:
             ctx.show_text(self.ref1.format())
         else:
-            ctx.show_text(self.placeholder)
+            #print(dir(self.bd))
+            ctx.show_text("---") # self.bd.getPlaceholder())
         ctx.stroke()

pages/skyview.py

@@ -17,21 +17,21 @@ class SkyView(Page):
     def __init__(self, pageno, cfg, boatdata):
         super().__init__(pageno, cfg, boatdata)
 
-    def pol2cart(azimuth, elevation):
+    def pol2cart(azimut, elevation):
         '''
         Polar to Cartesian coordinates within the horizon circle.
         azimuth in radians
-        x = math.sin(azimuth) * elevation * self.radius
+        x = math.sin(azimut) * elevation * self.radius
-        y = math.cos(azimuth) * elevation * self.radius
+        y = math.cos(azimut) * elevation * self.radius
         '''
         pass
         # (x, y) = self.pol2cart(sat.az, sat.el)
-        
+
     def draw(self, ctx):
 
         # Name
         ctx.select_font_face("Ubuntu", cairo.FontSlant.NORMAL, cairo.FontWeight.BOLD)
-        #ctx.set_font_size(32) 
+        #ctx.set_font_size(32)
         #self.draw_text_center(ctx, 200, 40, "Satellite Info")
 
         # Spezialseite
@@ -70,7 +70,7 @@ class SkyView(Page):
             ctx.show_text(f"{s:02d}")
             ctx.rectangle(305, y-12, 85, 14)
             ctx.stroke()
-            
+
         ctx.set_line_width(1.0)
         for s in self.bd.sat.values():
             x = cx + math.sin(s.azimuth) * s.elevation * r
@@ -82,4 +82,4 @@ class SkyView(Page):
 
         # Satellitenliste mit SNR-Balken sortiert nach nummer
         for prn_num in sorted(self.bd.sat):
-            print(prn_num)           
+            print(prn_num)