[WIP] Add comments and print for revisions

Author: polldo

Diff for: src/local/BLELocalCharacteristic.cpp

@@ -123,7 +123,10 @@ int BLELocalCharacteristic::writeValue(const uint8_t value[], int length)
 
     GAP.setAdvertisedServiceData(serviceUuid, value, length);
 
+  // TO BE REVISIONED
+    // could advertise also if connected
     if (!ATT.connected() && GAP.advertising()) {
+      // if it is already advertising it should stop before requesting advertising again
       GAP.advertise();
     }
   }

Diff for: src/utility/HCI.cpp

@@ -620,6 +620,10 @@ void HCIClass::handleEventPkt(uint8_t /*plen*/, uint8_t pdata[])
         uint16_t supervisionTimeout;
         uint8_t masterClockAccuracy;
       } *leConnectionComplete = (EvtLeConnectionComplete*)&pdata[sizeof(HCIEventHdr) + sizeof(LeMetaEventHeader)];
+
+      // CLIENT: 0x01 / PERIPHERAL: 0x00
+      Serial.println("role:");
+      Serial.println(leConnectionComplete->role);
 
       if (leConnectionComplete->status == 0x00) {
         ATT.addConnection(leConnectionComplete->handle,

Diff for: src/utility/HCICordioTransport.cpp

@@ -286,6 +286,8 @@ size_t HCICordioTransportClass::write(const uint8_t* data, size_t length)
 void HCICordioTransportClass::handleRxData(uint8_t* data, uint8_t len)
 {
   if (_rxBuf.availableForStore() < len) {
+    // This drop can cause many problems
+    Serial.println("DROP");
     // drop!
     return;
   }