Increase the default serial buffer size to 256 (variant can override via define)

sandeepmistry · facchinm · commit da9bfe8cf9aa · 2018-11-27T09:25:54.000+01:00
diff --git a/cores/arduino/RingBuffer.h b/cores/arduino/RingBuffer.h
@@ -27,7 +27,9 @@
 // using a ring buffer (I think), in which head is the index of the location
 // to which to write the next incoming character and tail is the index of the
 // location from which to read.
-#define SERIAL_BUFFER_SIZE 64
+#ifndef SERIAL_BUFFER_SIZE
+#define SERIAL_BUFFER_SIZE 256
+#endif
 
 template <int N>
 class RingBufferN
