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authorDave Hylands <dhylands@gmail.com>2015-10-02 23:25:31 -0700
committerDamien George <damien.p.george@gmail.com>2015-10-09 00:18:01 +0100
commit01d64914c5517f4207c002d931efa1e71fc210d9 (patch)
tree4f2ad474a609bcda5b0fa6c436c8f7d7611ab9f8 /py/modstruct.c
parent366239b8b9a2fbea3b6eae8dfc7b4a503d427e4c (diff)
downloadmicropython-01d64914c5517f4207c002d931efa1e71fc210d9.tar.gz
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stmhal: Fix USB CDC-only mode under Windows.
This fix adds PIDs 9801 and 9802 to the pybcdc.inf file. When in CDC only mode, it presents itself as a Communcations device rather than as a composite device. Presenting as a composite device with only the CDC interface seems to confuse windows. To test and make sure that the correct pybcdc.inf was being used, I used USBDeview from http://www.nirsoft.net/utils/usb_devices_view.html to uninstall any old pyboard drivers (Use Control-F and search for pyboard). I found running USBDeview as administrator worked best. Installing the driver in CDC+MSC mode first is recommended (since the pybcdc.inf file in on the internal flash drive). Then when you switch modes everything seems to work properly. I used https://github.com/dhylands/upy-examples/blob/master/boot_switch.py to easily switch the pyboard between the various USB modes for testing.
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