Merge pull request #78 from ronzeiller/heel-pitch-nmea0183-openCPN

NMEA0183 for heel, pitch for Expedition & openCPN - closes #63.

.gitignore

@@ -32,3 +32,6 @@ node_modules
 Network Trash Folder
 Temporary Items
 .apdisk
+
+# Platformio likes to auto-create this
+lib/readme.txt

src/common/signalk/SKNMEAVisitor.cpp

@@ -56,21 +56,16 @@ void SKNMEAVisitor::visitSKEnvironmentOutsidePressure(const SKUpdate& u, const S
 void SKNMEAVisitor::visitSKNavigationAttitude(const SKUpdate &u, const SKPath &p, const SKValue &v) {
   // Same comment on XDR. It's not very well standardized but at least its a way
   // to share the data.
-  NMEASentenceBuilder sb("II", "XDR", 12);
+  NMEASentenceBuilder sb( "II", "XDR", 8);
   sb.setField(1, "A");
-  sb.setField(2, SKRadToDeg(v.getAttitudeValue().yaw), 1);
+  sb.setField(2, SKRadToDeg(v.getAttitudeValue().pitch), 1);
   sb.setField(3, "D");
-  sb.setField(4, "Yaw");
+  sb.setField(4, "PTCH");
 
   sb.setField(5, "A");
-  sb.setField(6, SKRadToDeg(v.getAttitudeValue().pitch), 1);
+  sb.setField(6, SKRadToDeg(v.getAttitudeValue().roll), 1);
   sb.setField(7, "D");
-  sb.setField(8, "Pitch");
-
-  sb.setField(9, "A");
-  sb.setField(10, SKRadToDeg(v.getAttitudeValue().roll), 1);
-  sb.setField(11, "D");
-  sb.setField(12, "Roll");
+  sb.setField(8, "ROLL");
 
   _sentences.add(sb.toNMEA() + "\r\n");
 };

src/test/signalk/SKNMEAVisitorTest.cpp

@@ -84,7 +84,7 @@ TEST_CASE("SKNMEAVisitorTest") {
 
     if (v.getSentences().size() > 0) {
       String s = *(v.getSentences().begin());
-      CHECK( s == "$IIXDR,A,4.2,D,Yaw,A,10.1,D,Pitch,A,29.0,D,Roll*5C\r\n" );
+      CHECK( s == "$IIXDR,A,10.1,D,PTCH,A,29.0,D,ROLL*57\r\n" );
     }
   }