Programmierung Alarmfunktion

nmea0183.py

@@ -1,6 +1,9 @@
 """
 NMEA0183 verarbeiten
 
+TODO Multi-Sentence verarbeiten
+  TXT
+  AIS-Sentences mit Binärdaten
 """
 
 def DBS(boatdata, msg):
@@ -202,6 +205,45 @@ def RTE(boatdata, msg):
     print("-> RTE")
     print(msg.fields)
 
+txt_msg = ''
+txt_type = None
+txt_curr = 0
+txt_max = 0
+
+def TXT(boatdata, msg):
+    # Text Transmission (e.G. Alarms)
+    global txt_msg, txt_type, txt_curr, txt_max
+    #print("-> TXT")
+    nmax = int(msg.num_msg)
+    n = int(msg.msg_num)
+    if nmax > 1:
+        if txt_curr == 0 and n == 1:
+            # neue Nachricht
+            txt_msg = msg.text.rstrip('\r\n')
+            txt_type = msg.msg_type
+            txt_curr = 1
+            txt_max = nmax
+        else:
+            # Fortsetzung
+            if txt_curr == n - 1 and txt_type == msg.msg_type:
+                txt_msg += msg.text.rstrip('\r\n')
+                txt_curr = n
+            if n == nmax:
+                # Vollständig!
+                print(f"TXT: {msg.msg_type} - {txt_msg}")
+                if not boatdata.alarm:
+                    # Momentan wird kein bereits anstehender Alarm überschrieben
+                    boatdata.setValue("TXT", txt_msg)
+                    boatdata.alarm = True
+                txt_curr = 0
+                txt_max = 0
+    else:
+        print(f"TXT: {msg.msg_type} - {msg.text}", end='')
+        if not boatdata.alarm:
+            # Momentan wird kein bereits anstehender Alarm überschrieben
+            boatdata.setValue("TXT", msg.text)
+            boatdata.alarm = True
+
 def VBW(boatdata, msg):
     print("-> VBW")
 
@@ -323,6 +365,7 @@ decoder = {
     "RMC": RMC,
     "RSA": RSA,
     "RTE": RTE,
+    "TXT": TXT,
     "VBW": VBW,
     "VHW": VHW,
     "VPW": VPW,

pages/anchor.py

@@ -312,3 +312,5 @@ class Anchor(Page):
             self.draw_normal(ctx)
         else:
             self.draw_config(ctx)
+        if self._bd.alarm:
+            self.draw_alarm(ctx)

pages/page.py

@@ -208,6 +208,20 @@ class Page():
                         ctx.show_text(self.buttonlabel[i+1])
         ctx.stroke()
 
+    def draw_alarm(self, ctx):
+        x, y, w, h = (50, 100, 300, 150)
+        ctx.set_line_width(1)
+        ctx.set_source_rgb(*self.fgcolor)
+        ctx.rectangle(x + 0.5, y + 0.5, w, h)
+        ctx.stroke()
+        ctx.set_source_rgb(*self.bgcolor)
+        ctx.rectangle(x + 1, y + 1, w - 1, h - 1)
+        ctx.fill()
+        ctx.set_source_rgb(*self.fgcolor)
+        ctx.set_line_width(2)
+        ctx.rectangle(x + 3, y + 3, w - 5, h - 5)
+        ctx.stroke()
+
     def clear(self):
         ctx.set_source_rgb(1, 1, 1)
         ctx.rectangle(0, 0, 399, 299)