Ankerseite und mehr NMEA0183 code

README

@@ -31,9 +31,12 @@ Abhängigkeiten
 - python3-heapdict
 - python3-setproctitle
 
-Für GPS
+Für GPS und/oder NMEA0183
 - python3-serial
 - python3-nmea2
+  Achtung: in Debian ist Version 1.15, die aktuelle Version 1.19 hat
+  weitere Satzarten implementiert. Allerdings ist dort auch kein AIS
+  vorhanden.
 
 Für BME280
 - python3-smbus2

nmea0183.py

@@ -13,6 +13,13 @@ def DBT(boatdata, msg):
     pass
     #boatdata.setValue("DBT", msg.depth)
 
+def DPT(boatdata, msg):
+    # Depth
+    print("-> DPT")
+    print(msg.fields)
+    print(msg.data)
+    #boatdata.setValue("DBT", msg.depth)
+
 def GBS(boatdata, msg):
     # GNSS satellite fault detection
     """
@@ -42,9 +49,20 @@ def GGA(boatdata, msg):
     boatdata.setValue("HDOP", msg.horizontal_dil)
 
 def GLL(boatdata, msg):
-    print("-> GLL")
+    # Position data: position fix, time of position fix, and status
-    boatdata.setValue("LAT", msg.latitude)
+    # UTC of position ignored
-    boatdata.setValue("LON", msg.longitude)
+    print(msg.data)
+    if not msg.status == 'A':
+        return
+    lat_fac = 1 if msg.lat_dir == 'N' else -1
+    lat_deg = int(msg.lat[0:2])
+    lat_min = float(msg.lat[2:])
+    print(lat_deg, lat_min)
+    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)
 
 def GSA(boatdata, msg):
     # Satellites
@@ -113,8 +131,10 @@ def HDM(boatdata, msg):
 
 def HDT(boatdata, msg):
     # Heading True
-    print("-> HDT")
+    if msg.hdg_true == 'T':
-    print(msg.fields)
+        boatdata.setValue("HDT", msg.heading)
+    else:
+        print("HDT: T not set!")
 
 def HTD(boatdata, msg):
     # Heading/Track control data
@@ -143,18 +163,23 @@ def RMC(boatdata, msg):
     # Recommended Minimum Navigation Information
     #print("-> RMC")
     # print(msg.timestamp, msg.datestamp)
-    # print(msg.status) # V=Warning, P=Precise, A=?
+    # print(msg.status) # V=Warning, P=Precise, A=OK
     # mag_variation, mag_var_dir E/W
-    # true_course
+    # TODO nav_status welche Bedeutung?
-    if msg.lat_dir == 'N':
+    if not msg.status == 'A':
-        boatdata.setValue("LAT", msg.lat)
+        return
-    else:
+    lat_fac = 1 if msg.lat_dir == 'N' else -1
-        boatdata.setValue("LAT", msg.lat) * -1
+    lat_deg = int(msg.lat[0:2])
-    if msg.lon_dir == 'E':
+    lat_min = float(msg.lat[2:])
-        boatdata.setValue("LON", msg.lon)
+    boatdata.setValue("LAT", lat_fac * lat_deg + lat_min / 60)
-    else:
+    lon_fac = 1 if msg.lon_dir == 'E' else -1
-        boatdata.setValue("LON", msg.lon) * -1
+    lon_deg = int(msg.lon[0:3])
-    boatdata.setValue("SOG", msg.spd_over_grnd)
+    lon_min = float(msg.lon[3:])
+    boatdata.setValue("LON", lon_fac * lon_deg + lon_min / 60)
+    if msg.spd_over_grnd:
+        boatdata.setValue("SOG", float(msg.spd_over_grnd))
+    if msg.true_course:
+        boatdata.setValue("COG", float(msg.true_course))
 
 def ROT(boatdata, msg):
     # Rate Of Turn
@@ -242,7 +267,13 @@ def XDR(boatdata, msg):
     # units: D
     # id: Yaw
     if msg.id.lower() == 'yaw':
-        boatdata.setValue("YAW", msg.value)
+        boatdata.setValue("YAW", float(msg.value))
+    elif msg.id.lower() == 'ptch':
+        boatdata.setValue("PTCH", float(msg.value))
+    elif msg.id.lower() == 'roll':
+        boatdata.setValue("ROLL", float(msg.value))
+    elif msg.id.lower() == 'barometer':
+        boatdata.setValue("xdrPress", float(msg.value))
     else:
         print(f"-> XDR: {msg.type}, {msg.value}, {msg.units}, {msg.id}")
 
@@ -275,6 +306,7 @@ def VDO(boatdata, msg):
 decoder = {
     "DBS": DBS,
     "DBT": DBT,
+    "DPT": DPT,
     "GBS": GBS,
     "GGA": GGA,
     "GLL": GLL,
@@ -282,6 +314,7 @@ decoder = {
     "GSV": GSV,
     "HDG": HDG,
     "HDM": HDM,
+    "HDT": HDT,
     "HTD": HTD,
     "MWV": MWV,
     "MTW": MTW,

pages/anchor.py

@@ -14,6 +14,7 @@ Daten
   - Alarm aktiv J/N
   - Alarmradius
   - GPS Abweichung/ Fehler in der Horizontalen
+  - Zeitpunkt des Ankeraus
 
 Darstellung:
   - Modi: 
@@ -29,6 +30,7 @@ Es gibt verschiedene Unterseiten
 import os
 import cairo
 import math
+import time
 from .page import Page
 
 class Anchor(Page):
@@ -41,6 +43,7 @@ class Anchor(Page):
         self.buttonlabel[5] = '' # ALARM erst möglich wenn der Anker unten ist
 
         self.mode = 'N' # (N)ormal, (C)onfiguration
+        self.scale = 50 # Radius of display circle in meter
 
         self._bd = boatdata
 
@@ -54,6 +57,7 @@ class Anchor(Page):
         self.anchor_lat = 0
         self.anchor_lon = 0
         self.anchor_depth = -1
+        self.anchor_ts = None # Timestamp of dropped anchor
         self.lat = 0
         self.lon = 0
         self.heading = -1
@@ -75,13 +79,15 @@ class Anchor(Page):
                 self.anchor_lat = self._bd.lat
                 self.anchor_lon = self._bd.lon
                 self.anchor_set = True
+                self.anchor_ts = time.time()
                 self.buttonlabel[2] = 'RISE'
                 self.buttonlabel[5] = 'ALARM'
             else:
                 self.anchor_set = False
                 self.alarm = False
                 self.alarm_enabled = False
-                self.buttonlabel[2] = 'SET'
+                self.anchor_ts = None
+                self.buttonlabel[2] = 'DROP'
                 self.buttonlabel[5] = ''
         if buttonid == 5:
             # Bei aktivem Alarm kann mit dieser Taste der Alarm zurückgesetzt
@@ -142,27 +148,57 @@ class Anchor(Page):
         cy = 150
         r = 125
 
-        ctx.set_line_width(1.5)
+        # Skala
+        ctx.set_line_width(1)
         ctx.arc(cx, cy, r, 0, 2*math.pi)
+        ctx.move_to(cx + 10, cy + 0.5)
+        ctx.line_to(cx + r - 4, cy + 0.5)
+        ctx.move_to(cx + r / 2, cy + 20)
+        # Pfeil links
+        ctx.move_to(cx + 10, cy + 0.5)
+        ctx.line_to(cx + 16, cy - 4 + 0.5)
+        ctx.move_to(cx + 10, cy + 0.5)
+        ctx.line_to(cx + 16, cy + 4 + 0.5)
+        # Pfeil rechts
+        ctx.move_to(cx + r - 4, cy + 0.5)
+        ctx.line_to(cx + r - 10, cy - 4 + 0.5)
+        ctx.move_to(cx + r - 4, cy + 0.5)
+        ctx.line_to(cx + r - 10, cy + 4 + 0.5)
+
+        ctx.set_font_size(16)
+        self.draw_text_center(ctx, cx + r / 2, cy + 8, str(self.scale) + " m")
         ctx.stroke()
 
-        # Ankersymbol falls Anker fallen gelassen wurde, ansonsten nur Kreis-
+        ctx.set_line_width(1.5)
-        # mittelpunkt kennzeichnen
+        # Ankersymbol falls Anker fallen gelassen wurde
+        # Ansonsten ist das Boot-Symbol im Mittelpunkt
         if self.anchor_set:
             ctx.save()
             ctx.set_source_surface(self.sym_anchor, cx-8, cy-8)
             ctx.paint()
             ctx.restore()
-        else:
-            ctx.move_to(cx-6, cy-6)
-            ctx.line_to(cx+6, cy+6)
-            ctx.move_to(cx+6, cy-6)
-            ctx.line_to(cx-6, cy+6)
-            ctx.stroke()
 
         # Boot zeichnen
         # Heading beachten
-        
+        # Wir arbeiten mit einer Kopie, weil bx/by im Laufe der Zeit von
+        # cx/cy abweichen werden
+        if self.anchor_set:
+            bx = cx
+            by = cy + 30
+        else:
+            bx = cx  
+            by = cy + 8
+        p = ((bx - 5, by), (bx - 5, by - 10), (bx, by - 16), (bx + 5, by - 10), (bx + 5, by), (bx - 6, by))
+        if self._bd.hdt.value:
+            # Rotiere Boot-Symbol um eigenes Zentrum
+            boat = self.rotate((bx, by - 8), p, self._bd.hdt.value)
+        else:
+            # Kein Heading, Boot immer zeichnen
+            boat = p
+        ctx.move_to(*boat[0])
+        for point in boat[1:]:
+            ctx.line_to(*point)
+        ctx.stroke()
 
         # Windpfeil zeichnen
         if self._bd.awa.value: