#34: do not show apPassword in the config UI if the change is not allowed. Also do not print this on startup. Introduce FORCE_AP_PWCHANGE to allow extensions to force pw change ability

lib/wifi/GWWifi.h

@@ -17,6 +17,7 @@ class GwWifi{
         bool fixedApPass=true;
         bool clientIsConnected=false;
     public:
+        const char *AP_password = "esp32nmea2k"; 
         GwWifi(const GwConfigHandler *config,GwLog *log, bool fixedApPass=true);
         void setup();
         void loop();

lib/wifi/GwWifi.cpp

@@ -1,6 +1,5 @@
 #include "GWWifi.h"
 
-const char *AP_password = "esp32nmea2k"; 
 
 GwWifi::GwWifi(const GwConfigHandler *config,GwLog *log, bool fixedApPass){
     this->config=config;

src/main.cpp

@@ -103,8 +103,12 @@ GwConfigHandler config(&logger);
 #ifdef GWBUTTON_PIN
 bool fixedApPass=false;
 #else
+#ifdef FORCE_AP_PWCHANGE
+bool fixedApPass=false;
+#else
 bool fixedApPass=true;
 #endif
+#endif
 GwWifi gwWifi(&config,&logger,fixedApPass);
 GwChannelList channels(&logger,&config);
 GwBoatData boatData(&logger);
@@ -420,6 +424,7 @@ class CapabilitiesRequest : public GwRequestMessage{
       #ifdef GWBUTTON_PIN
       json["hardwareReset"]="true";
       #endif
+      json["apPwChange"] = fixedApPass?"false":"true";
       serializeJson(json,result);
     }  
 };
@@ -473,6 +478,7 @@ protected:
     for (StringMap::iterator it = args.begin(); it != args.end(); it++)
     {
       if (it->first.indexOf("_")>= 0) continue;
+      if (it->first == GwConfigDefinitions::apPassword && fixedApPass) continue;
       bool rt = config.updateValue(it->first, it->second);
       if (!rt)
       {
@@ -741,7 +747,7 @@ void setup() {
     GWSYNCHRONIZED(&mainLock);
     userCodeHandler.startUserTasks(MIN_USER_TASK);
   }
-  logger.logString("wifi AP pass: %s",config.getString(config.apPassword).c_str());
+  logger.logString("wifi AP pass: %s",fixedApPass? gwWifi.AP_password:config.getString(config.apPassword).c_str());
   logger.logString("admin pass: %s",config.getString(config.adminPassword).c_str());
   logger.logDebug(GwLog::LOG,"setup done");
 }  

web/config.json

@@ -116,7 +116,8 @@
         "default": "esp32nmea2k",
         "check": "checkApPass",
         "description": "set the password for the Wifi access point",
-        "category": "system"
+        "category": "system",
+        "condition":{"apPwChange":"true"}
     },
     {
         "name": "useAdminPass",