UWP SerialDevice.FromIdAsync return null

问题

I'm trying the Microsoft sample for Serial Port and it's working on Raspberry Pi2 but not on local machine , on,local machine return null.

the DeviceCapability already added, that's why it's working on Pi2.

any idea why it's not working on local machine

local system: Win10 Ent. VS 2015.3

回答1:

I found this answer :(

Link

System-internal or on-chassis serial ports may be enumerated by DeviceInformation.FindAllAsync(), but cannot be opened by SerialDevice.FromIdAsync() because they currently are not supported. However, serial ports connected over USB, such as on USB-to-Serial cables are supported.

来源：https://stackoverflow.com/questions/41319056/uwp-serialdevice-fromidasync-return-null