獲取一個 BLEDescriptor,該 BLEDescriptor 代表一個特性 Bluetooth® Low Energy 說明符。
用法
bleCharacteristic.descriptor(index)
bleCharacteristic.descriptor(uuid)
bleCharacteristic.descriptor(uuid, index)
參數
- index: 說明符索引
- uuid:uuid(作為 String )
返回
- BLEDescriptor,表示特性 Bluetooth® Low Energy 說明符
示例
if (characteristic.hasDescriptor("2901")) {
Serial.println("characteristic has description descriptor");
}
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