Merge pull request #1710 from meshtastic/serial-flush

Fix Serial comms with new framework

src/SerialConsole.cpp

@@ -20,6 +20,9 @@ void consolePrintf(const char *format, ...)
     va_start(arg, format);
     console->vprintf(format, arg);
     va_end(arg);
+#ifdef ARCH_ESP32
+    console->flush();
+#endif
 }
 
 SerialConsole::SerialConsole() : StreamAPI(&Port), RedirectablePrint(&Port)

src/mesh/StreamAPI.cpp

@@ -103,10 +103,7 @@ void StreamAPI::emitTxBuffer(size_t len)
 
         auto totalLen = len + HEADER_LEN;
         stream->write(txBuf, totalLen);
-        /* for(size_t i = 0; i < totalLen; i++) {
-            stream->write(txBuf[i]);
-            // stream->flush();
-        } */
+        stream->flush();
     }
 }
 
@@ -133,4 +130,4 @@ void StreamAPI::onConnectionChanged(bool connected)
         // received a packet in a while
         powerFSM.trigger(EVENT_SERIAL_DISCONNECTED);
     }
-}
+}