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Several questons about USB on C6747?

york yan
Intellectual 265 points

Now I am working on C6747 and about to develop the USB interface. I only need to send some raw data to PC, so I think MSC or HID is not satisfy my needs. I see somebody say I can use Communication Device Class(CDC) of USB. I wonder whether this class need a windows driver and where I can get the driver?

Also, I download the BIOSPSP_01_30_00_05_Setup.exe and BIOSUSB_01_00_00_Setup.exe. I found that all the examples are based on BIOS. And their apllication are MDC or HID. So I want to know where can I get the source code without BIOS?

Thanks very much!

  • 0
    TI__Mastermind 24340 points

    Hi York,

    The DSP driver for C6747 supports:

    • USB Host features supported on DSP/BIOSTM:
      • MSC class driver
      • HID class driver
    • USB –Slave/Device features supported on DSP/BIOSTM:
      • Mass storage class
      • HID class

    So we do not provide software for CDC support.


    If you follow the Getting Started Guide for C6747 and install the DSP/BIOS USB package, you can find this information on page 6 of the document:

    ...\biosusb_01_00_00\docs\BIOSUSB_Datasheet.pdf

    All the examples are DSP/BIOS based indeed. We do not have examples that do not use DSP/BIOS.