flutter blue 修改mtu

Future _requestMtu(BluetoothDevice device) async {
  final mtu = await device.mtu.first;
  print('连接设备状态成功  mtu 前${mtu}');
  await device.requestMtu(128);
  final mtu2 = await device.mtu.first;
  print('连接设备状态成功  mtu 后${mtu2}');
}

修改后不一定生效

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