# 9/2 Report ![](https://i.imgur.com/EYGjDWU.png) ![](https://i.imgur.com/fu0iN21.png) ![](https://i.imgur.com/3gsc9vq.png) https://docs.microsoft.com/en-us/windows/uwp/debug-test-perf/device-portal-desktop#failed-to-locate-the-package https://os.mbed.com/docs/mbed-cordio/19.02/cordio-ble-stack-api/group___s_t_a_c_k___h_c_i.html https://bugzilla.kernel.org/show_bug.cgi?id=202515 --- BT doc https://docs.microsoft.com/en-us/windows/uwp/devices-sensors/ble-beacon https://docs.microsoft.com/en-us/uwp/api/windows.devices.bluetooth.advertisement.bluetoothleadvertisementwatcher.allowextendedadvertisements?view=winrt-19041 https://stackoverflow.com/questions/724862/converting-from-hex-to-string https://docs.microsoft.com/en-us/dotnet/api/system.io.file.appendalltext?view=netcore-3.1 https://github.com/microsoft/Windows-universal-samples/tree/master/Samples/BluetoothAdvertisement https://csharp.hotexamples.com/examples/-/Windows.System.LauncherOptions/-/php-windows.system.launcheroptions-class-examples.html https://stackoverflow.com/questions/19087920/calling-async-method-from-another-class private async void {await} 不需要await來接 private async task {await} private async void 不需要await來接 async裡面就可以放await await 可以進入但會報錯 Task.Run 沒辦法進入想進入的function private async void {} -> private async task {await} -> private async void {await}