try to make good to use master and slave on the same board

Author: pat1

arduino/sketchbook/hardware/Microduino/avr/libraries/Wire/src/Wire.cpp

@@ -282,9 +282,9 @@ void TwoWire::onReceiveService(uint8_t* inBytes, int numBytes)
   // don't bother if rx buffer is in use by a master requestFrom() op
   // i know this drops data, but it allows for slight stupidity
   // meaning, they may not have read all the master requestFrom() data yet
-  if(rxBufferIndex < rxBufferLength){
-    return;
-  }
+  //if(rxBufferIndex < rxBufferLength){
+  //  return;
+  //}
   // copy twi rx buffer into local read buffer
   // this enables new reads to happen in parallel
   for(uint8_t i = 0; i < numBytes; ++i){
@@ -306,8 +306,8 @@ void TwoWire::onRequestService(void)
   }
   // reset tx buffer iterator vars
   // !!! this will kill any pending pre-master sendTo() activity
-  txBufferIndex = 0;
-  txBufferLength = 0;
+  //txBufferIndex = 0;
+  //txBufferLength = 0;
   // alert user program
   user_onRequest();
 }