Topic : usb with STR711FR2 not recognized

Forum : ARM

Original Post
Post Information Post
April 8, 2008 - 1:32pm
Guest

Hello

I'm using a starter kit REva V2.12 with a daughter board REva STR711FR2.
And I would like to use the USB PORT of the STR7.
But when I connect the mini USB windows tell me "unknow device".
So I have tried to install the driver manually but without success.

I have try to install the following driver "stmcdc" which I have found in the usb library on the ST web site.
But it must not be the good one. :(

Is somebody could advice me how to install correctly the usb driver for the STR711FR2 µC i'm using?

Many thank in advance for your kind support

Best Regards
Teo
Replies
Post Information Post
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-1
April 8, 2008 - 2:59pm
Guest

I don't think the problem comes from the USB driver, but rather from the firmware.

Here are some tips to help you:
- Check the clocks configurations to make them follow the REva daugther board configuration
- Set the GCC optimisations to "No optimisation" and leave this option until it works in that state. Only then you should consider trying to let GCC optimize the code

Lionel
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April 8, 2008 - 6:46pm
Guest

Many thanks Lionel for your answer.

But finally the problem was due to my Reva daughter board. The reset microprocessor has burnt and the USB communication was not available.

Thanks again
BR