WES 7 OS-UA driver problem

In order to use the UA product in WES 7 OS, the driver is SeparateYou need to make sure that it is installed as “Windows Embedded Standard 7” i.e. WES 7 OSis a modular and customized (by the embedded application manufacturer) build. However, in the regular retail SKU of Windows 7, All drivers includedand most of the available features are installed by default when you install the OS.

The general procedure for developing an appliance to run the WES 7 OS is to obtain the WES7 Toolkit software, then ICE (Image Configuration Editor) to create a custom OS installation image using It has all the drivers/features needed by the manufacturer, but mostly nothing else.

CDC-ACM based USB deviceTo use Windows, the usbser.sys driver and the mdmcpq.inf file must already be installed on your system. (including other .sys and .inf files)
These files are created/distributed by Microsoft and are usually installed automatically during normal Windows 7 OS installation.

Windows/System32/drivers/usbser.sys
Windows/inf/mdmcpq.inf

In the WES 7 OS, these prerequisites may not exist unless explicitly included in the custom OS build. To include the prerequisites required to support USB CDC-ACM devices, the WES 7 installation image in the Image Configuration Editor (ICE) must contain the following:

Windows Embedded Standard 7 Package-> Drivers> Modem-> Compaq USB Modem Driver

If the above is included in the WES 7 installation image and the OS is reinstalled, the standard CDC driver package will work fine. UA-Driver fileThere is no usbser.sys driver and mdmcpq.inf file in the UA-Device. Vendor ID and Product ID contents과 usbser.sys Driver There is only connection content.

The usbser.sys driver for the OS (embedded 7 x86 or x64) install You need to make sure that it is.

Windows/System32/drivers/usbser.sys
Windows/inf/mdmcpq.inf

In UA-Calibrator “Serial no”The contents of the UA-Device are obtained from the USB product string descriptor (device manager -> COMx properties -> Details -> device description reported from the bus). serial communicationBecause it has nothing to do with “Serial no” Because the content came out serial communicationIt is difficult to confirm that it has become.