From 879220a1c153d24c0be5300d2b24df982dcf8d1a Mon Sep 17 00:00:00 2001
From: Tim Stadtmann <tim.stadtmann@rwth-aachen.de>
Date: Sun, 28 May 2017 14:46:16 +0200
Subject: [PATCH] Fix issue #48
---
source/EV3.m | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/source/EV3.m b/source/EV3.m
index cc7bbbe..e551b3b 100644
--- a/source/EV3.m
+++ b/source/EV3.m
@@ -170,7 +170,8 @@ classdef EV3 < MaskedHandle
if ev3.isConnected
if isCommInterfaceValid(ev3.commInterface)
- error('EV3::connect: Already connected.');
+ warning('EV3::connect: Already connected. Resetting connection now...');
+ ev3.disconnect();
else
warning(['EV3::connect: EV3.isConnected is set to ''True'', but ',...
'comm handle is invalid. Deleting invalid handle and ' ,...
@@ -241,8 +242,16 @@ classdef EV3 < MaskedHandle
% b.connect('bt', 'serPort', '/dev/rfcomm0'); % |br|
% % do stuff |br|
% b.disconnect(); % |br|
-
- ev3.resetPhysicalBrick();
+
+ % Resetting needs a working connection in order to send reset-commands
+ % to the Brick. If the connection has been aborted (e.g. by pulling the
+ % USB-cord), the reset-methods would fail -> catch this error and for
+ % now do nothing.
+ try
+ ev3.resetPhysicalBrick();
+ catch ME
+ % For now: ignore
+ end
% Disconnect motors and sensors
% -> set references to comm handle to 0
--
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