allow to set default and hide for cfg values in hardware defs

lib/config/GWConfig.cpp

@@ -159,6 +159,24 @@ void GwConfigHandler::toHex(unsigned long v, char *buffer, size_t bsize)
         buffer[2 * i] = 0;
 }
 
+std::vector<String> GwConfigHandler::getHidden() const{
+    std::vector<String> rt;
+    rt.reserve(numHidden());
+    for (int i=0L;i<getNumConfig();i++){
+        if (configs[i]->isHidden()){
+            rt.push_back(configs[i]->getName());
+        };
+    }
+    return rt;
+}
+int GwConfigHandler::numHidden() const{
+    int rt=0;
+    for (int i=0L;i<getNumConfig();i++){
+        if (configs[i]->isHidden()) rt++;
+    }
+    return rt;
+}
+
 void GwNmeaFilter::handleToken(String token, int index){
     switch(index){
         case 0:

lib/config/GWConfig.h

@@ -4,8 +4,10 @@
 #include <Preferences.h>
 #include "GwLog.h"
 #include "GwConfigItem.h"
+#include "GwHardware.h"
 #include "GwConfigDefinitions.h"
 #include <map>
+#include <vector>
 
 
 class GwConfigHandler: public GwConfigDefinitions{
@@ -28,6 +30,8 @@ class GwConfigHandler: public GwConfigDefinitions{
         int getInt(const String name,int defaultv=0) const;
         GwConfigInterface * getConfigItem(const String name, bool dummy=false) const;
         bool checkPass(String hash);
+        std::vector<String> getHidden() const;
+        int numHidden() const;
         /**
          * change the value of a config item
          * will become a noop after stopChanges has been called 

lib/config/GwConfigItem.h

@@ -10,12 +10,14 @@ class GwConfigInterface{
         const char * initialValue;
         String value;
         bool secret=false;
+        bool hidden=false;
     public:
-        GwConfigInterface(const String &name, const char * initialValue, bool secret=false){
+        GwConfigInterface(const String &name, const char * initialValue, bool secret=false, bool hidden=false){
             this->name=name;
             this->initialValue=initialValue;
             this->value=initialValue;
             this->secret=secret;
+            this->hidden=hidden;
         }
         virtual String asString() const{
             return value;
@@ -41,6 +43,9 @@ class GwConfigInterface{
         String getDefault() const {
             return initialValue;
         }
+        bool isHidden() const {
+            return hidden;
+        }
         friend class GwConfigHandler;
 };
 

lib/hardware/GwHardware.h

@@ -144,6 +144,14 @@
   #define GWSERIAL_TYPE GWSERIAL_TYPE_UNI
 #endif
 
+//M5 GPS (Atomic GPS Base)
+#ifdef M5_GPS_KIT 
+  #define GWSERIAL_RX BOARD_LEFT1
+  #define GWSERIAL_TYPE GWSERIAL_TYPE_RX
+  #define CFGGDEFAULT_serialBaud "9600"
+  #define CFGHIDE_serialBaud
+#endif
+
 //below we define the final device config based on the above
 //boards and peripherals
 //this allows us to easily also set them from outside