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Code Issues Releases Activity

OP-4 Flight/UAVTalk Minor type fixes

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git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@498 ebee16cc-31ac-478f-84a7-5cbb03baadba
This commit is contained in:
vassilis 2010-04-14 01:01:35 +00:00 committed by vassilis
parent dbecc014b7
commit 1a4e3c8d44
1 changed files with 2 additions and 2 deletions
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4
ground/src/plugins/uavtalk/uavtalk.cpp
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@ -109,12 +109,12 @@ bool UAVTalk::objectTransaction(UAVObject* obj, quint8 type, qint32 timeoutMs, b
// Send object depending on if a response is needed
if (type == TYPE_OBJ_ACK || type == TYPE_OBJ_REQ)
{
respSema->tryAcquire(); // non blocking call to make sure the value is zero (binary sema)
if ( transmitObject(obj, type, allInstances) )
{
respObj = obj;
respAllInstances = allInstances;
mutex->unlock(); // need to release lock since the next call will block until a response is received
respSema->tryAcquire(); // the semaphore needs to block on the next call, here we make sure the value is zero (binary sema)
mutex->unlock(); // need to release lock since the next call will block until a response is received
respReceived = respSema->tryAcquire(1, timeoutMs); // lock on object until a response is received (or timeout)
return respReceived;
}