protected async virtual Task <Peripheral> FindFirstGrayBlueAsync()
{
if (grayBlueCentral.KnownDevices.Any())
{
// 接続済みデバイスがある場合はそれを基にして返す
var knownBleDevice = grayBlueCentral.KnownDevices.First();
Debug.Log($"device already exist {knownBleDevice.ID}");
return(new Peripheral(knownBleDevice));
}
// GrayBlueの有効化
var valid = await grayBlueCentral.ValidateAsync();
if (!valid)
{
Debug.Log("GrayBlue validate failed");
return(null);
}
// スキャン
var deviceIds = await grayBlueCentral.ScanAsync();
// 接続
if (deviceIds == null || deviceIds.Length < 1)
{
Debug.Log("GrayBlue not found");
return(null);
}
Debug.Log($"GrayBlue found {deviceIds.Length} devices");
return(await ConnectAsync(deviceIds[0]));
}