converted to enum, but does not compile

Author: BluemarkInnovations

RemoteIDModule/RemoteIDModule.ino

@@ -195,19 +195,19 @@ static const char *check_parse(void)
         }
     }
 
-    if ((serial_number_configured == false) && ((g.region == 2) || (g.region == 3))) {
+    if ((serial_number_configured == false) && ((g.region == JAPAN) || (g.region == EU))) {
         return "BasicID: no Serial Number configured";
     }
 
-    if ((serial_number_configured == false && session_ID_configured == false) && ((g.region == 0) || (g.region == 1))) {
+    if ((serial_number_configured == false && session_ID_configured == false) && ((g.region == WORLD) || (g.region == USA))) {
         return "BasicID: no Serial Number/Session ID configured.";
     }
 
-    if ((CAA_registration_ID_configured == false) && (g.region == 2)) {
+    if ((CAA_registration_ID_configured == false) && (g.region == JAPAN)) {
         return "BasicID: no CAA registration ID configured.";
     }
 
-    if ((strlen(UAS_data.OperatorID.OperatorId) < 1) && (g.region == 3)) { //basic check if the operator field has data. For the EU legislation an additional check could be implemented.
+    if ((strlen(UAS_data.OperatorID.OperatorId) < USA) && (g.region == EU)) { //basic check if the operator field has data. For the EU legislation an additional check could be implemented.
         return "OperatorID: no operator ID configured.";
     }
 

RemoteIDModule/parameters.h

@@ -35,7 +35,16 @@ class Parameters {
     char wifi_ssid[21] = "";
     char wifi_password[21] = "ArduRemoteID";
     uint8_t wifi_channel = 6;
-    uint8_t region = 0; // 0 = world, 1 = USA, 2 = Japan, 3 = EU
+
+    enum class Region {
+        WORLD=0,
+        USA=1,
+        JAPAN=2,
+        EU=3,
+    };
+
+    Region region;
+
     struct {
         char b64_key[64];
     } public_keys[MAX_PUBLIC_KEYS];