From 3baff3b4114f28cd6ae0bfbb25d4efeb6f03278b Mon Sep 17 00:00:00 2001
From: Peter Van Hoyweghen <N.A>
Date: Sat, 4 Jul 2015 08:28:52 +0200
Subject: Add Serial_::availableForWrite().

This makes the CDC "Serial" object on the Leonardo and similar boards
support this recently introduced method as well. The CDC code in the sam
core is not changed.
---
 cores/arduino/CDC.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'cores/arduino/CDC.cpp')

diff --git a/cores/arduino/CDC.cpp b/cores/arduino/CDC.cpp
index 5e872c5..afbc65d 100644
--- a/cores/arduino/CDC.cpp
+++ b/cores/arduino/CDC.cpp
@@ -163,6 +163,11 @@ int Serial_::read(void)
 	return USB_Recv(CDC_RX);
 }
 
+int Serial_::availableForWrite(void)
+{
+	return USB_SendSpace(CDC_TX);
+}
+
 void Serial_::flush(void)
 {
 	USB_Flush(CDC_TX);
-- 
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