![]() Procedure TForm1. On old Widgets, the serial number was not programmed, and the value would be hex 0FFFFFFFF, my device is a new one and other commercial software reads the serial number fine. ![]() Get Widget Serial Number Reply (Label = 10), The Widget sends this message to the PC in response to the Get Widget Serial Number request.īCD serial number, with LSB stored at lowest address. Get Widget Serial Number Request (Label = 10, no data), This message requests the Widget serial number, which should be the same as that printed on the Widget ( Device)ġ3. How should I format the request and values, returned I get "0" and sometimes -1 into memo2.ġ2. To not mess that up I created a button to test reading the serial number and having the results go to memo2.Īll fine, D7 is communicating with the Box and receiving parameters and sending out DMX but I cannot understand this code enough to know why I do not get the serial number. ![]() Reading parameters from one of these USB DMX Boxes I need a Delphi component, class or function that returns manufacturers unique serial number (not volume serial number) for a removable drive such as USB flash drives, taking drive letter as an input.
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