Ethernet Connection Options (Windows CE 5.0)

Windows CE 5.0
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With an Ethernet card, you can download and debug your run-time image on a target device, such as a CEPC, through an Ethernet connection.

If your SDB only has one Ethernet connection, and you are using it for download, debug, and KITL, then you may want to use the virtual network miniport (VMINI) Ethernet debug-to-NDIS bridge, which enables a miniport and product Ethernet connection.

Platform Builder enables the VMINI Ethernet sharing library by default. The VMINI Ethernet sharing library is located in %_WINCEROOT%\Public\Common\Oak\Drivers\Ethdbg\VMINI.

To disable the VMINI Ethernet sharing library, set the KERNELNOSHAREETH and BSP_NOSHAREETH environment variables to 1.

If you disable the VMINI Ethernet sharing library, you will need one Ethernet card for debugging and downloading, and another Ethernet card for product Ethernet.

The following table shows the types of Ethernet connections for your target device.

DownloadThe boot loader establishes this connection to the desktop and it is used for downloading a run-time image to the target CEPC.
KITL and debugThe run-time image optionally establishes a KITL connection to Platform Builder.

The KITL connection sets up a target-host communications channel for remote applications, remote tools, and so on. It also serves as the transport used by the kernel debugger, which enables Platform Builder to debug a running run-time image on the target device.

In addition, VMINI can run over this transport to support a product Ethernet connection over a single KITL and debug connection.

Product EthernetUsed for network connectivity and the Internet on consumer target devices. If you use product Ethernet on your target device, you can only use it for downloading a run-time image, and then subsequently as a product Ethernet connection.

See Also

How to Set Up a CEPC | Choosing an Ethernet Card for a CEPC | Setting or Clearing an Environment Variable

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