檢查特征是否具有特定說明符。
用法
bleCharacteristic.hasDescriptor(uuid)
bleCharacteristic.hasDescriptor(uuid, index)
參數
- index: 說明符索引
- uuid:uuid(作為 String )
返回
- true,如果特征有匹配的說明符,
- 否則錯誤的.
示例
if (characteristic.hasDescriptor("2901")) {
Serial.println("characteristic has description descriptor");
}
相關用法
- Arduino ArduinoBLE - bleCharacteristic.subscribe()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.uuid()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.canRead()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.addDescriptor()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.broadcast()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.properties()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.written()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.canSubscribe()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.subscribed()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.valueLength()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.unsubscribe()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.canUnsubscribe()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.readValue()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.setEventHandler()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.value()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.valueUpdated()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.canWrite()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.descriptor()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.descriptorCount()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.writeValue()用法及代碼示例
- Arduino ArduinoBLE - bleCharacteristic.valueSize()用法及代碼示例
- Arduino ArduinoBLE - bleDevice.advertisedServiceUuidCount()用法及代碼示例
- Arduino ArduinoBLE - bleService.uuid()用法及代碼示例
- Arduino ArduinoBLE - bleDescriptor.read()用法及代碼示例
- Arduino ArduinoBLE - bleDevice.hasCharacteristic()用法及代碼示例
注:本文由純淨天空篩選整理自arduino.cc大神的英文原創作品 ArduinoBLE - bleCharacteristic.hasDescriptor()。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。