Getting Started. Web Portal - Program Management. Mobile Flight App. Web Portal - Data Processing. Video Tutorials. Typically, the device node to be located is the parent or sibling of the device node on which the firmware driver is installed. For example, in the diagram above with two device nodes, the firmware update driver can look for a sibling device to find the function driver. In the diagram immediately above, the firmware driver can look for the parent device to find the primary device with which it needs to communicate.
The driver should be robust to multiple instances of the device being on the system, possibly with multiple different firmware versions. For example, there may be one instance of the device that has been connected and updated several times; a brand new device may then be plugged in which is several firmware versions old. This means that state such as current version must be stored against the device, and not in a global location.
If there is an existing method to update the firmware EXE or co-installer, for example , you can largely reuse the update code within a UMDF driver. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode.
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