From 5c911be31240db83583c44e068d90427fcbf532e Mon Sep 17 00:00:00 2001
From: lgomez <lgomez@windhoverlabs.com>
Date: Fri, 23 Feb 2024 14:29:49 -0600
Subject: [PATCH] -Magnetic and True AHRS heading

---
 src/main/java/com/windhoverlabs/yamcs/gdl90/AHRS.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/windhoverlabs/yamcs/gdl90/AHRS.java b/src/main/java/com/windhoverlabs/yamcs/gdl90/AHRS.java
index 69756c6..978930c 100644
--- a/src/main/java/com/windhoverlabs/yamcs/gdl90/AHRS.java
+++ b/src/main/java/com/windhoverlabs/yamcs/gdl90/AHRS.java
@@ -84,13 +84,14 @@ public byte[] toBytes() throws Exception {
 
     byte iaByte = packedHeadingBytes[1];
 
+    //    NOTE:It seems that the ForeFlight Docs have these definitions flipped
     switch (HeadingType) {
-      case MAGNETIC:
+      case TRUE_HEADING:
         //      packedHeading = packedHeading | (1 << 15);
         iaByte = (byte) setNibble(packedHeadingBytes[2], 0x01, 1);
 
         break;
-      case TRUE_HEADING:
+      case MAGNETIC:
         //      packedHeading = packedHeading | ~(1 << 15);
         iaByte = (byte) setNibble(packedHeadingBytes[2], 0x00, 1);