From 5ba5ccb71244541f3df795a22ebe79d0eb5e4f5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20Cabe=CC=81?= <benjamin@eclipse.org>
Date: Mon, 19 Dec 2016 17:18:27 +0100
Subject: [PATCH] fix for issue #252: bug in MicroBitUARTService#read when
 buffer contains NULL character
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Signed-off-by: Benjamin Cabé <benjamin@eclipse.org>
---
 source/bluetooth/MicroBitUARTService.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/bluetooth/MicroBitUARTService.cpp b/source/bluetooth/MicroBitUARTService.cpp
index 44a953b..b9b6f62 100644
--- a/source/bluetooth/MicroBitUARTService.cpp
+++ b/source/bluetooth/MicroBitUARTService.cpp
@@ -356,7 +356,7 @@ int MicroBitUARTService::read(uint8_t *buf, int len, MicroBitSerialMode mode)
     {
         int c;
 
-        while((c = getc(mode)) > 0 && i < len)
+        while((c = getc(mode)) >= 0 && i < len)
         {
             buf[i] = c;
             i++;