add usage of text

2026-08-07 15:37:13 +02:00
parent eeb2aac75c
commit 95225a5811
4 changed files with 148 additions and 96 deletions
@@ -1,9 +1,16 @@
 #pragma once
+#include "config.hpp"
 template<typename T>
 static inline T feet_to_meters(T ft) {
        return static_cast<T>(ft * 0.3048);
 }
 template<typename T>
-static inline T knot_to_km(T kn) {
-        return static_cast<T>(kn * 0.5399568);
-}
+static inline T knot_to_km(T kt) {
+        return static_cast<T>(kt * 1.852);
+}
+
+#ifdef CONFIG_METRIC
+#define SPEED_UNIT "kmph"
+#else
+#define SPEED_UNIT "knot"
+#endif