https://blog.wongcw.com/2018/12/30/%e5%a4%a9%e9%88%bafp6606c-usb-pd%e5%8d%94%e8%ad%b0%e8%8a%af%e7%89%87%e9%a6%96%e7%99%bc%e8%a9%95%e6%b8%ac%ef%bc%9a40%e5%a4%9a%e6%ac%be%e8%a8%ad%e5%82%99%e5%85%a8%e5%85%bc%e5%ae%b9/