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How to display USB Device Descriptor Message Data

    Question

  • I've used MMA to develop a USB device before and was able to look at the raw data in the message view to ensure the correct data was being sent in the descriptors. This does not appear to be showing up any longer. I'm currently using MMA 1.4

    When I click the message that shows a USB transaction and scroll to the bottom of the Details window, the DeviceDescriptor is in the list, but it does not show any data and the Message Data window shows: "No Data Source data not available for display"

    The UsbLength field clearly indicates that 18 bytes have been transferred and the device is working properly so I know the data was sent. How do I inspect the raw data for the device descriptor?

    Wednesday, October 10, 2018 9:18 PM