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<task id="GUID-3715E8EE-FF0A-4344-90F1-1609D54C166B" xml:lang="en"><title>Blinking

lights</title><prolog><metadata><keywords/></metadata></prolog><taskbody>

<context>       <p>The <codeph>LightBlinkL()</codeph> method call makes the

specified target light to blink. Multiple light targets can be specified by

using bitwise-or.</p><p>The following code snippet demonstrates how to make

lights blink for infinite duration with default intensity for multiple targets:</p><codeblock xml:space="preserve">iLight-&gt;LightBlinkL( CHWRMLight::EPrimaryDisplay | CHWRMLight::EPrimaryKeyboard );</codeblock><p>The following code snippet demonstrates how to make lights blink for the

specified duration with default intensity for one target.</p><codeblock xml:space="preserve">// aDuration = 5000 milliseconds

light-&gt;LightOnL( CHWRMLight::ESecondaryDisplay, 5000 );</codeblock><p>After

the duration expires, if there has not been a previous infinite time duration

call in this session, the light state for target is changed to whatever state

was caused by the last infinite time duration call, or default state determined

by inactivity timer.</p><p>The following code snippet demonstrates how to

switch ON lights for the specified duration, with specified intensity for

one target (On-cycle and off-cycle times of the blinking can also be controlled):</p><codeblock xml:space="preserve">// aDuration = 5000 milliseconds

// aOnDuration = 500 milliseconds

// aOffDuration = 500 milliseconds

// aIntensity = 30, intensity can be between KHWRMLightMinIntensity and KHWRMLightMaxIntensity, inclusive.

light-&gt;LightOnL( CHWRMLight::ESecondaryDisplay, 5000, 500, 500, 30 );</codeblock><p>For

device default cycle duration, use the <codeph>KHWRMDefaultCycleTime</codeph> value.

If either <codeph>aOnDuration</codeph> or <codeph>aOffDuration</codeph> is <codeph>KHWRMDefaultCycleTime</codeph>,

both must be <codeph>KHWRMDefaultCycleTime</codeph>.</p><p><b>NOTE</b>: Some

devices may not support variable blink cycle times. In such scenarios, default

value is substituted. All devices may not support user-defined intensity,

during which the device behaves in its default state.</p></context>