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Fix Identify cluster callback handling (#9988)
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* fix idenitfy cluster callback handling

The current identify cluster could only handle one identify request without an error. After that it would get stuck and would not perform another identify start callback.

* make compiler & CI happy

* refactor activate logic in identify-server
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@pull
eve-cxrp authored and pull[bot] committed Oct 30, 2021
1 parent 4ac59e8 commit d5c6eb6
Showing 1 changed file with 76 additions and 75 deletions.
151 changes: 76 additions & 75 deletions src/app/clusters/identify-server/identify-server.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -100,72 +100,6 @@ static inline void unreg(Identify * inst)
}
}

static void scheduleIdentifyTick(EndpointId endpoint)
{
Identify * identify = inst(endpoint);
uint16_t identifyTime;

if (identify == nullptr)
{
return;
}

if (EMBER_ZCL_STATUS_SUCCESS == Clusters::Identify::Attributes::GetIdentifyTime(endpoint, &identifyTime))
{
/* effect identifier changed during identify */
if (identify->mTargetEffectIdentifier != identify->mCurrentEffectIdentifier)
{
identify->mCurrentEffectIdentifier = identify->mTargetEffectIdentifier;

/* finish identify process */
if (EMBER_ZCL_IDENTIFY_EFFECT_IDENTIFIER_FINISH_EFFECT == identify->mCurrentEffectIdentifier && identifyTime > 0)
{
(void) chip::DeviceLayer::SystemLayer().StartTimer(MILLISECOND_TICKS_PER_SECOND, onIdentifyClusterTick, identify);
return;
}
/* stop identify process */
else if (EMBER_ZCL_IDENTIFY_EFFECT_IDENTIFIER_STOP_EFFECT == identify->mCurrentEffectIdentifier && identifyTime > 0)
{
Clusters::Identify::Attributes::SetIdentifyTime(endpoint, 0);

if (nullptr != identify->mOnIdentifyStop)
identify->mOnIdentifyStop(identify);
}
/* change from e.g. Breathe to Blink during identify */
else
{
/* cancel identify */
Clusters::Identify::Attributes::SetIdentifyTime(endpoint, 0);
if (nullptr != identify->mOnIdentifyStop)
identify->mOnIdentifyStop(identify);

/* trigger effect identifier callback */
if (nullptr != identify->mOnEffectIdentifier)
identify->mOnEffectIdentifier(identify);
}
}
else if (identifyTime > 0)
{
/* we only start if both callbacks are set */
if (nullptr != identify->mOnIdentifyStart && nullptr != identify->mOnIdentifyStop && false == identify->mActive)
{
identify->mActive = true;
identify->mOnIdentifyStart(identify);
}

(void) chip::DeviceLayer::SystemLayer().StartTimer(MILLISECOND_TICKS_PER_SECOND, onIdentifyClusterTick, identify);
return;
}
else
{
if (nullptr != identify->mOnIdentifyStop)
identify->mOnIdentifyStop(identify);
}
}

(void) chip::DeviceLayer::SystemLayer().CancelTimer(onIdentifyClusterTick, identify);
}

void emberAfIdentifyClusterServerInitCallback(EndpointId endpoint)
{
(void) endpoint;
Expand All @@ -183,24 +117,91 @@ static void onIdentifyClusterTick(chip::System::Layer * systemLayer, void * appS
if (EMBER_ZCL_STATUS_SUCCESS == Clusters::Identify::Attributes::GetIdentifyTime(endpoint, &identifyTime) &&
0 != identifyTime)
{
identifyTime = static_cast<uint16_t>(identifyTime == 0 ? 0 : identifyTime - 1);
// This tick writes the new attribute, which will trigger the Attribute
// Changed callback below, which in turn will schedule or cancel the tick.
// Because of this, the tick does not have to be scheduled here.
(void) Clusters::Identify::Attributes::SetIdentifyTime(endpoint,
static_cast<uint16_t>(identifyTime == 0 ? 0 : identifyTime - 1));
}
else
{
identify->mActive = false;
// Changed callback.
(void) Clusters::Identify::Attributes::SetIdentifyTime(endpoint, identifyTime);
}
}
}

static inline void identify_activate(Identify * identify)
{
if (nullptr != identify->mOnIdentifyStart && nullptr != identify->mOnIdentifyStop && false == identify->mActive)
{
identify->mActive = true;
identify->mOnIdentifyStart(identify);
}
}

static inline void identify_deactivate(Identify * identify)
{
if (nullptr != identify->mOnIdentifyStop)
{
identify->mActive = false;
identify->mOnIdentifyStop(identify);
}
}

void emberAfIdentifyClusterServerAttributeChangedCallback(EndpointId endpoint, AttributeId attributeId)
{
if (attributeId == Clusters::Identify::Attributes::Ids::IdentifyTime)
{
scheduleIdentifyTick(endpoint);
Identify * identify = inst(endpoint);
uint16_t identifyTime;

if (identify == nullptr)
{
return;
}

if (EMBER_ZCL_STATUS_SUCCESS == Clusters::Identify::Attributes::GetIdentifyTime(endpoint, &identifyTime))
{
/* effect identifier changed during identify */
if (identify->mTargetEffectIdentifier != identify->mCurrentEffectIdentifier)
{
identify->mCurrentEffectIdentifier = identify->mTargetEffectIdentifier;

/* finish identify process */
if (EMBER_ZCL_IDENTIFY_EFFECT_IDENTIFIER_FINISH_EFFECT == identify->mCurrentEffectIdentifier && identifyTime > 0)
{
(void) chip::DeviceLayer::SystemLayer().StartTimer(MILLISECOND_TICKS_PER_SECOND, onIdentifyClusterTick,
identify);
return;
}
/* stop identify process */
else if (EMBER_ZCL_IDENTIFY_EFFECT_IDENTIFIER_STOP_EFFECT == identify->mCurrentEffectIdentifier && identifyTime > 0)
{
Clusters::Identify::Attributes::SetIdentifyTime(endpoint, 0);
identify_deactivate(identify);
}
/* change from e.g. Breathe to Blink during identify */
else
{
/* cancel identify */
Clusters::Identify::Attributes::SetIdentifyTime(endpoint, 0);
identify_deactivate(identify);

/* trigger effect identifier callback */
if (nullptr != identify->mOnEffectIdentifier)
identify->mOnEffectIdentifier(identify);
}
}
else if (identifyTime > 0)
{
/* we only start if both callbacks are set */
identify_activate(identify);

(void) chip::DeviceLayer::SystemLayer().StartTimer(MILLISECOND_TICKS_PER_SECOND, onIdentifyClusterTick, identify);
return;
}
else
{
identify_deactivate(identify);
}
}

(void) chip::DeviceLayer::SystemLayer().CancelTimer(onIdentifyClusterTick, identify);
}
}

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