查詢指定BLECharacteristic的最大值大小。
用法
bleCharacteristic.valueSize()
參數
None
返回
- 最大值特征的大小(以字節為單位)
示例
// Bluetooth® Low Energy LED Switch Characteristic - custom 128-bit UUID, read and writable by central
BLEByteCharacteristic switchCharacteristic("19B10001-E8F2-537E-4F6C-D104768A1214", BLERead | BLEWrite);
Serial.print(“value size = “);
Serial.println(switchCharacteristic.valueSize());
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