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This web page is designed as a community resource, with cross links to related projects as well as hosting some Linux-focused efforts directly. These are stated in the previously attached file. Message 1 of 9. Kind regards, Roman Solved! For end user scenarios, it hooks up easily to hotplug utilities. Message 6 of 9. I also guess that in order to the connect to the device several function calls have to be executed in a destinct order.

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At this writing, all that firmware is statically linked into the appropriate mini-driver. Plus, it’s easier to distribute updated firmware if you don’t need to upgrade a kernel driver to do that. There are test programs for all three languages. Can you upload your. This software is still usable an131 2. That means computers need to download firmware to such devices before they’re used.

Their Linux support builds on the common kernel and user mode USB infrastructure, which you can read about elsewhere on this site. It can support all USB endpoints 30 plus control.


These are stated in the previously attached file. The FX2 doesn’t support quite as many endpoints six plus controlbut it does handle multibuffered high speed transfers in hardware. IO-Karten in eigenen Anwendungen.

Cypress EZ-USB (AN21XX)

A number of them need to download firmware before they are usable. The usbstress software http: Message 2 of 9. Kernel device drivers can do the downloads, but then the firmware just locks down kernel memory. Message 5 of 9. Accepted by topic author RomanD.

Message 7 of 9. Message 1 of 9. Thanks to Moritz, I have also found this one: Message 8 of 9. Message 9 of 9. One suitable loader is available from Cypress. Dypress in-the-field product updates, or for developers, you can use a specialized second stage loader to write the boot EEPROMs.

I took a further look at the USB Controller used. NET Assembly available for this Controller: There also is a. Unfortunatley it is in german.

Cypress EZ-USB (AN21XX)

I would be very grateful, if you could give me some more hints! I also attached the documentation. When supported directly by the Linux kernel, these devices appear just like any other kind of serial port. Device firmware just processes interrupts, fills buffers, and tells the hardware to do its thing.


Kind regards, Roman Solved! There’s a project working on HID firmware: Martin Diehl has provided EZ-USB firmware implementing simple device protocols that are very useful when used cyppress usbtest software from Linux-USB hosts, to help verify correct operation of the host and isolate bugs.

To open the device the cardthe function, “OpenDevice” is used.