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Stored procedures
Reads the value of a characteristic on a Bluetooth Low Energy device.
Example
crtc is btleCharacteristic
ValueCrtc is Buffer
ValueCrtc = BTLECharacteristicReadValue(crtc)
Syntax
<Result> = BTLECharacteristicReadValue(<Characteristic>)
<Result>: Buffer
  • Value of characteristic.
  • Empty buffer if an error occurred. The ErrorOccurred variable is set to True. To get more details on the error, use ErrorInfo.
<Characteristic>: btleCharacteristic variable
Name of btleCharacteristic variable corresponding to the characteristic used.
Remarks
  • 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: wd280com.dll
Minimum version required
  • Version 21
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