fix(GPIO): Alternative Function numbers were inverted

Author: FoniksFox

Inc/HALAL/Models/GPIO.hpp

@@ -73,22 +73,22 @@ struct GPIODomain {
   }
   enum class AlternateFunction : uint8_t {
     NO_AF = 20,
-    AF0 = 15,
-    AF1 = 14,
-    AF2 = 13,
-    AF3 = 12,
-    AF4 = 11,
-    AF5 = 10,
-    AF6 = 9,
-    AF7 = 8,
-    AF8 = 7,
-    AF9 = 6,
-    AF10 = 5,
-    AF11 = 4,
-    AF12 = 3,
-    AF13 = 2,
-    AF14 = 1,
-    AF15 = 0
+    AF0 = 0,
+    AF1 = 1,
+    AF2 = 2,
+    AF3 = 3,
+    AF4 = 4,
+    AF5 = 5,
+    AF6 = 6,
+    AF7 = 7,
+    AF8 = 8,
+    AF9 = 9,
+    AF10 = 10,
+    AF11 = 11,
+    AF12 = 12,
+    AF13 = 13,
+    AF14 = 14,
+    AF15 = 15
   };
   enum class Port : uint8_t { A, B, C, D, E, F, G, H };
   static inline GPIO_TypeDef *port_to_reg(Port p) {