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Make StartUpColorTemperatureMireds nullable, per spec. #21858

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Original file line number Diff line number Diff line change
Expand Up @@ -2851,7 +2851,7 @@ server cluster ColorControl = 768 {
readonly attribute int16u colorTempPhysicalMinMireds = 16395;
readonly attribute int16u colorTempPhysicalMaxMireds = 16396;
readonly attribute int16u coupleColorTempToLevelMinMireds = 16397;
attribute access(write: manage) int16u startUpColorTemperatureMireds = 16400;
attribute access(write: manage) nullable int16u startUpColorTemperatureMireds = 16400;
readonly attribute bitmap32 featureMap = 65532;
readonly attribute int16u clusterRevision = 65533;

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Original file line number Diff line number Diff line change
Expand Up @@ -1614,7 +1614,7 @@ server cluster ColorControl = 768 {
readonly attribute int16u colorTempPhysicalMinMireds = 16395;
readonly attribute int16u colorTempPhysicalMaxMireds = 16396;
readonly attribute int16u coupleColorTempToLevelMinMireds = 16397;
attribute access(write: manage) int16u startUpColorTemperatureMireds = 16400;
attribute access(write: manage) nullable int16u startUpColorTemperatureMireds = 16400;
readonly attribute command_id generatedCommandList[] = 65528;
readonly attribute command_id acceptedCommandList[] = 65529;
readonly attribute attrib_id attributeList[] = 65531;
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Original file line number Diff line number Diff line change
Expand Up @@ -1565,7 +1565,7 @@ client cluster ColorControl = 768 {
readonly attribute int16u colorTempPhysicalMinMireds = 16395;
readonly attribute int16u colorTempPhysicalMaxMireds = 16396;
readonly attribute int16u coupleColorTempToLevelMinMireds = 16397;
attribute access(write: manage) int16u startUpColorTemperatureMireds = 16400;
attribute access(write: manage) nullable int16u startUpColorTemperatureMireds = 16400;
readonly attribute int16u clusterRevision = 65533;

request struct MoveToHueRequest {
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2 changes: 1 addition & 1 deletion examples/lighting-app/lighting-common/lighting-app.matter
Original file line number Diff line number Diff line change
Expand Up @@ -1511,7 +1511,7 @@ server cluster ColorControl = 768 {
readonly attribute int16u colorTempPhysicalMinMireds = 16395;
readonly attribute int16u colorTempPhysicalMaxMireds = 16396;
readonly attribute int16u coupleColorTempToLevelMinMireds = 16397;
attribute access(write: manage) int16u startUpColorTemperatureMireds = 16400;
attribute access(write: manage) nullable int16u startUpColorTemperatureMireds = 16400;
readonly attribute bitmap32 featureMap = 65532;
readonly attribute int16u clusterRevision = 65533;

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2 changes: 1 addition & 1 deletion examples/placeholder/linux/apps/app1/config.matter
Original file line number Diff line number Diff line change
Expand Up @@ -1916,7 +1916,7 @@ server cluster ColorControl = 768 {
readonly attribute int16u currentY = 4;
attribute bitmap8 options = 15;
readonly attribute int16u coupleColorTempToLevelMinMireds = 16397;
attribute access(write: manage) int16u startUpColorTemperatureMireds = 16400;
attribute access(write: manage) nullable int16u startUpColorTemperatureMireds = 16400;
readonly attribute bitmap32 featureMap = 65532;
readonly attribute int16u clusterRevision = 65533;

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2 changes: 1 addition & 1 deletion examples/placeholder/linux/apps/app2/config.matter
Original file line number Diff line number Diff line change
Expand Up @@ -1916,7 +1916,7 @@ server cluster ColorControl = 768 {
readonly attribute int16u currentY = 4;
attribute bitmap8 options = 15;
readonly attribute int16u coupleColorTempToLevelMinMireds = 16397;
attribute access(write: manage) int16u startUpColorTemperatureMireds = 16400;
attribute access(write: manage) nullable int16u startUpColorTemperatureMireds = 16400;
readonly attribute bitmap32 featureMap = 65532;
readonly attribute int16u clusterRevision = 65533;

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16 changes: 8 additions & 8 deletions src/app/clusters/color-control-server/color-control-server.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -2071,13 +2071,13 @@ void ColorControlServer::startUpColorTempCommand(EndpointId endpoint)
// the StartUpColorTemperatureMireds attribute are listed in the table below.
// Value Action on power up
// 0x0000-0xffef Set the ColorTemperatureMireds attribute to this value.
// 0xffff Set the ColorTemperatureMireds attribute to its previous value.
// null Set the ColorTemperatureMireds attribute to its previous value.

// Initialize startUpColorTempMireds to "maintain previous value" value 0xFFFF
uint16_t startUpColorTemp = 0xFFFF;
EmberAfStatus status = Attributes::StartUpColorTemperatureMireds::Get(endpoint, &startUpColorTemp);
// Initialize startUpColorTempMireds to "maintain previous value" value null
app::DataModel::Nullable<uint16_t> startUpColorTemp;
EmberAfStatus status = Attributes::StartUpColorTemperatureMireds::Get(endpoint, startUpColorTemp);

if (status == EMBER_ZCL_STATUS_SUCCESS)
if (status == EMBER_ZCL_STATUS_SUCCESS && !startUpColorTemp.IsNull())
{
uint16_t updatedColorTemp = MAX_TEMPERATURE_VALUE;
status = Attributes::ColorTemperature::Get(endpoint, &updatedColorTemp);
Expand All @@ -2090,13 +2090,13 @@ void ColorControlServer::startUpColorTempCommand(EndpointId endpoint)
uint16_t tempPhysicalMax = MAX_TEMPERATURE_VALUE;
Attributes::ColorTempPhysicalMaxMireds::Get(endpoint, &tempPhysicalMax);

if (tempPhysicalMin <= startUpColorTemp && startUpColorTemp <= tempPhysicalMax)
if (tempPhysicalMin <= startUpColorTemp.Value() && startUpColorTemp.Value() <= tempPhysicalMax)
{
// Apply valid startup color temp value that is within physical limits of device.
// Otherwise, the startup value is outside the device's supported range, and the
// existing setting of ColorTemp attribute will be left unchanged (i.e., treated as
// if startup color temp was set to 0xFFFF).
updatedColorTemp = startUpColorTemp;
// if startup color temp was set to null).
updatedColorTemp = startUpColorTemp.Value();
status = Attributes::ColorTemperature::Set(endpoint, updatedColorTemp);

if (status == EMBER_ZCL_STATUS_SUCCESS)
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2 changes: 1 addition & 1 deletion src/app/zap-templates/zcl/data-model/silabs/ha.xml
Original file line number Diff line number Diff line change
Expand Up @@ -243,7 +243,7 @@ limitations under the License.
</attribute>
<!-- COLOR_POINT_B_INTENSITY -->
<attribute side="server" code="0x400D" define="COLOR_CONTROL_TEMPERATURE_LEVEL_MIN_MIREDS" type="INT16U" min="0x0000" max="0xFFFF" writable="false" optional="true">CoupleColorTempToLevelMinMireds</attribute>
<attribute side="server" code="0x4010" define="START_UP_COLOR_TEMPERATURE_MIREDS" type="INT16U" min="0x0000" max="0xFEFF" writable="true" optional="true">
<attribute side="server" code="0x4010" define="START_UP_COLOR_TEMPERATURE_MIREDS" type="INT16U" min="0x0000" max="0xFEFF" writable="true" isNullable="true" optional="true">
<description>StartUpColorTemperatureMireds</description>
<access op="read" role="view"/>
<access op="write" role="manage"/>
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2 changes: 1 addition & 1 deletion src/controller/data_model/controller-clusters.matter
Original file line number Diff line number Diff line change
Expand Up @@ -3178,7 +3178,7 @@ client cluster ColorControl = 768 {
readonly attribute int16u colorTempPhysicalMinMireds = 16395;
readonly attribute int16u colorTempPhysicalMaxMireds = 16396;
readonly attribute int16u coupleColorTempToLevelMinMireds = 16397;
attribute access(write: manage) int16u startUpColorTemperatureMireds = 16400;
attribute access(write: manage) nullable int16u startUpColorTemperatureMireds = 16400;
readonly attribute command_id generatedCommandList[] = 65528;
readonly attribute command_id acceptedCommandList[] = 65529;
readonly attribute attrib_id attributeList[] = 65531;
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15 changes: 11 additions & 4 deletions src/controller/java/zap-generated/CHIPAttributeTLVValueDecoder.cpp

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12 changes: 10 additions & 2 deletions src/controller/java/zap-generated/CHIPClustersWrite-JNI.cpp

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67 changes: 67 additions & 0 deletions src/controller/java/zap-generated/CHIPReadCallbacks.cpp

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30 changes: 30 additions & 0 deletions src/controller/java/zap-generated/CHIPReadCallbacks.h

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8 changes: 4 additions & 4 deletions src/controller/python/chip/clusters/Objects.py

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