NuttX for STM32
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2009-12-02 09:01 AM
Posted on December 02, 2009 at 18:01
NuttX for STM32
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2011-05-17 04:26 AM
Posted on May 17, 2011 at 13:26
> For USB you should have a USB sniffer to see what hapening...
USB analyzers are kind of pricey for the average hobbyist like me. Actually, I don't know of any specific USB problems with the STM32 NuttX port; everything works. But sometimes, with debug output off, I see timing issues that make me wonder??? Sometimes it takes awhile for Windows to recognize the mass storage device -- but then things work fine: I can read and write files on the microSD from Windows with no problems. That could mean some low-level USB issues that slows the device recognition and only show up when I disable debug output. Or it could just be Windows being confused when the device suddenly change from a DFU device to a mass storage device. The only way that I would know for sure is with a USB analyzer.
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