Martin,
> Ok, here we go. Attached the EZ-USB firmware release providing own
> descriptors, EP0 standard requests and bulk sink/source support. Ready for
> AN213x and FX - but not (yet) FX2. Successfully tested with ehci-hcd
> and usbtest - as shown in the other mail it passes all current tests.
Sorry I can't test it right now, but a quick check has revealed the
following:
- It won't renumerate on the FX revision A, because that chip has a
known bug (I discovered it, in fact). To make that chip disconnect,
you have to set DISCOE, not just DISCON. There is no way for the
firmware to determine what revision the chip is.
- Are you sure the "mov int2clr, a" really works? On the FX and FX2
that I've tried, it never did, although I used the sample code
provided by Cypress. I had to do it the old-fashioned way (EXIF,
then USBIRQ).
- If you need help getting the FX2 working, please ask. I've got
firmware working that uses pretty much all the features of it
(including 16-bit GPIF with AUTOIN/OUT), I can share that knowledge
(it took me quite a while to acquire, because I was used to the DMA
way of doing transfers as in the FX). One thing I don't use is iso
transfers, though.
- I'm sure you know, but the one obvious thing missing that is
required for FX2 support is the extra descriptors for hi-speed USB,
and that the descriptors also have to depend on whether hi-speed or
full-speed is used.
Good work!
Andras
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Major Andras
e-mail: [EMAIL PROTECTED]
www: http://andras.webhop.org/
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