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Help / WLanguage / WLanguage functions / Communication / BTLE functions
  • Required versions
WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WEBDEV
WindowsLinuxPHPWEBDEV - Browser code
WINDEV Mobile
AndroidAndroid Widget iPhone/iPadIOS WidgetApple WatchMac CatalystUniversal Windows 10 App
Others
Stored procedures
Reads the value of a descriptor on a Bluetooth Low Energy device.
Example
cMyService is btleService
...
cMyCharacteristic is btleCharacteristic <- cMyService[1]
cMyDesc is btleDescriptor <- cMyCharacteristic.Descriptor[1]
...
Value is string
Value = BTLEDescriptorReadValue(cMyDesc)
Syntax
<Result> = BTLEDescriptorReadValue(<Descriptor>)
<Result>: Type depending on the descriptor read (string, numeric or buffer)
  • Value of descriptor.
    Windows This value will only be of type Buffer.
  • If an error occurs, the returned buffer is empty and the ErrorOccurred variable is set to True. ErrorInfo returns more information on the error.
<Descriptor>: btleDescriptor variable
Name of btleDescriptor variable representing the descriptor to use.
Remarks

Required versions

  • Android Android applications:
    • Bluetooth Low Energy WLanguage functions are only available on devices with Android 4.3 or later (api level 18).
    • A fatal error occurs if the function is used with an earlier system version.
    • To determine the version of Android the application is running on, use SysAndroidVersion.
  • iPhone/iPadIOS WidgetMac Catalyst iOS applications:
    The WLanguage Bluetooth Low Energy functions are available for the devices running iOS 9.
  • Windows WINDEV applications:
Business / UI classification: Business Logic
Component: wd290com.dll
Minimum version required
  • Version 21
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Last update: 05/26/2022

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