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Arduino ArduinoBLE - bleCharacteristic.subscribe()用法及代碼示例

訂閱 Bluetooth® Low Energy 特性通知或指示。

用法

bleCharacteristic.subscribe()

參數

None

返回

  • true, 成功時,
  • false失敗時

示例


  // ...

  // retrieve the simple key characteristic
  BLECharacteristic simpleKeyCharacteristic = peripheral.characteristic("ffe1");

  // subscribe to the simple key characteristic
  Serial.println("Subscribing to simple key characteristic ...");
  if (!simpleKeyCharacteristic) {
    Serial.println("no simple key characteristic found!");
    peripheral.disconnect();
    return;
  } else if (!simpleKeyCharacteristic.canSubscribe()) {
    Serial.println("simple key characteristic is not subscribable!");
    peripheral.disconnect();
    return;
  } else if (!simpleKeyCharacteristic.subscribe()) {
    Serial.println("subscription failed!");
    peripheral.disconnect();
    return;
  }

  // ...


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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.subscribe()。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。