From 8d0c1674628df1c2c7592f4fc17467c694f5a1be Mon Sep 17 00:00:00 2001
From: Sandeep Mistry <s.mistry@arduino.cc>
Date: Fri, 27 May 2016 11:22:49 -0400
Subject: [PATCH] Change return value of Serial_::write to be the # of bytes
written
Previous 0 was always returned.
---
cores/arduino/USB/CDC.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/cores/arduino/USB/CDC.cpp b/cores/arduino/USB/CDC.cpp
index 5a111dce..6bfc6e89 100644
--- a/cores/arduino/USB/CDC.cpp
+++ b/cores/arduino/USB/CDC.cpp
@@ -262,7 +262,7 @@ size_t Serial_::write(const uint8_t *buffer, size_t size)
{
uint32_t r = usb.send(CDC_ENDPOINT_IN, buffer, size);
- if (r == 0) {
+ if (r > 0) {
return r;
} else {
setWriteError();
--
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