# null

# xlReleaseLED

[Valid for](../../../Shared/FeatureAvailability.md): CANoe DE • CANoe:lite DE • CANoe4SW DE • CANoe4SW:lite DE

## Function Syntax

```
dword xlReleaseLED(dword ledBitMask);
```

## Description

Releases the specified LEDs after they were successfully acquired with a call of [xlAcquireLED](CAPLfunctionxlAcquireLED.md).

This function is supported by the following device: VN8900 (driver version > 7.5)

## Parameters

* **ledBitMask**: The LEDs you want to release. Note that you can bitwise combine the values to specify multiple LEDs.

  The following LEDs are available for VN8900 devices:

  * **Module (M)**: 0x001
  * **CAN Channel 1**: 0x008
  * **CAN Channel 2**: 0x010
  * **CAN Channel 3**: 0x020
  * **CAN Channel 4**: 0x040
  * **FlexRay Channel 1 A**: 0x080
  * **FlexRay Channel 1 B**: 0x100
  * **Keypad S1**: 0x200
  * **Keypad S2**: 0x400

## Return Values

* **0**: no error, function succeeded.
* **!= 0**: error, function failed. Check whether your device supports this function and you have an appropriate driver installed on the device.

## Example

See [xlAcquireLED](CAPLfunctionxlAcquireLED.md)
