* Terminal Chat: "set ..." commands, save to "node_prefs" file, consistent with the other firmwares

src/Utils.cpp

@@ -115,6 +115,10 @@ static uint8_t hexVal(char c) {
   return 0;
 }
 
+bool Utils::isHexChar(char c) {
+  return c == '0' || hexVal(c) > 0;
+}
+
 bool Utils::fromHex(uint8_t* dest, int dest_size, const char *src_hex) {
   int len = strlen(src_hex);
   if (len != dest_size*2) return false;  // incorrect length

src/Utils.h

@@ -80,6 +80,8 @@ public:
    * \returns  the number of parts parsed (in 'parts')
    */
   static int parseTextParts(char* text, const char* parts[], int max_num, char separator=',');
+
+  static bool isHexChar(char c);
 };
 
 }

src/helpers/BaseChatMesh.cpp

@@ -1,11 +1,11 @@
 #include <helpers/BaseChatMesh.h>
 #include <Utils.h>
 
-mesh::Packet* BaseChatMesh::createSelfAdvert(const char* name) {
+mesh::Packet* BaseChatMesh::createSelfAdvert(const char* name, double lat, double lon) {
   uint8_t app_data[MAX_ADVERT_DATA_SIZE];
   uint8_t app_data_len;
   {
-    AdvertDataBuilder builder(ADV_TYPE_CHAT, name);
+    AdvertDataBuilder builder(ADV_TYPE_CHAT, name, lat, lon);
     app_data_len = builder.encodeTo(app_data);
   }
 

src/helpers/BaseChatMesh.h

@@ -96,7 +96,7 @@ protected:
   void onGroupDataRecv(mesh::Packet* packet, uint8_t type, const mesh::GroupChannel& channel, uint8_t* data, size_t len) override;
 
 public:
-  mesh::Packet* createSelfAdvert(const char* name);
+  mesh::Packet* createSelfAdvert(const char* name, double lat=0.0, double lon=0.0);
   int  sendMessage(const ContactInfo& recipient, uint32_t timestamp, uint8_t attempt, const char* text, uint32_t& expected_ack, uint32_t& est_timeout);
   void resetPathTo(ContactInfo& recipient);
   void scanRecentContacts(int last_n, ContactVisitor* visitor);