* fix for double radio.begin(). RNG seed from pressing ENTER

examples/simple_secure_chat/main.cpp

@@ -267,9 +267,9 @@ protected:
 public:
 
 #ifdef WRAPPER_CLASS
-  MyMesh(RadioLibWrapper& radio, mesh::RNG& rng, mesh::RTCClock& rtc, SimpleMeshTables& tables)
+  MyMesh(RadioLibWrapper& radio, StdRNG& rng, mesh::RTCClock& rtc, SimpleMeshTables& tables)
 #else
-  MyMesh(mesh::Radio& radio, mesh::RNG& rng, mesh::RTCClock& rtc, SimpleMeshTables& tables)
+  MyMesh(mesh::Radio& radio, StdRNG& rng, mesh::RTCClock& rtc, SimpleMeshTables& tables)
 #endif
      : BaseChatMesh(radio, *new ArduinoMillis(), rng, rtc, *new StaticPoolPacketManager(16), tables)
   {
@@ -298,6 +298,14 @@ public:
     IdentityStore store(fs, "/identity");
   #endif
     if (!store.load("_main", self_id, _prefs.node_name, sizeof(_prefs.node_name))) {  // legacy: node_name was from identity file
+      // Need way to get some entropy to seed RNG
+      Serial.println("Press ENTER to generate key:");
+      char c = 0;
+      while (c != '\n') {   // wait for ENTER to be pressed
+        if (Serial.available()) c = Serial.read();
+      }
+      ((StdRNG *)getRNG())->begin(millis());
+
       self_id = mesh::LocalIdentity(getRNG());  // create new random identity
       store.save("_main", self_id);
     }
@@ -543,10 +551,6 @@ void setup() {
 #ifdef WRAPPER_CLASS
   fast_rng.begin(radio.random(0x7FFFFFFF));
 #else
-  char c = 0;
-//  while (c != '\n') {   // wait for ENTER to be pressed
-//    if (Serial.available()) c = Serial.read();
-//  }
   fast_rng.begin(millis());
 #endif
 

variants/espnow_c3/target.cpp

@@ -6,6 +6,6 @@ ESP32Board board;
 ESPNOWRadio radio;
 
 bool radio_init() {
-  radio.begin();
+  // NOTE: radio.begin() is called by Dispatcher::begin(), so not needed here
   return true;  // success
 }