For end user scenarios, it hooks up easily to hotplug utilities. The FX2 doesn’t support quite as many endpoints six plus control , but it does handle multibuffered high speed transfers in hardware. Their Linux support builds on the common kernel and user mode USB infrastructure, which you can read about elsewhere on this site. Go to original post. The device just sees USB packets irrespective of the driver it is connected to. This content has been marked as final.

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I’ll be very thankful to you. A number of them need to download firmware before they are usable.

Welcome to the Cypress Developer Community 3. Now what should i do?? This software is still usable on 2. The Linux system will typically be much more powerful, since it has at least a bit processor and richer software environment.

A company called AnchorChips now owned by Cypress came out with an innovative and useful product fs2 while ago: For linux, there are quite a few open source drivers. The usbstress software http: That means computers need to download firmware to such devices before llnux used.


This web page is designed as a community resource, with cross links to related projects as well as hosting some Linux-focused efforts directly. Device firmware just processes interrupts, fills buffers, and tells the hardware to do its thing.

EZ USB on Linux

On the driver side there won’t be differentiation between SX2 and FX2. This content has been marked as final. USB devices typically have to work with many operating systems. This tool uses JavaScript and much of it will not work correctly without it enabled. Please type your message and try again. If you didn’t want to do this, you could write your own kernel driver, or just use libusb and a daemon instead.

Kernel device drivers can do the downloads, but then the firmware just locks down kernel memory. You don’t have JavaScript enabled.

fxload (8) – Linux Man Pages

For in-the-field product updates, or for developers, you can use a specialized second stage loader to write the boot EEPROMs. You could run simple tests that transferred control, bulk, or isochronous traffic.

I have searched for its driver for Linux,but have not found it yet. Thanks for your guidence. You’ll most probably have to develop to over one of them. Plus, it’s easier to distribute updated firmware if you don’t need to upgrade a kernel driver to do that.


Please turn JavaScript back on and reload this page. Remove from profile Feature on linx profile. Their Linux support builds on the common kernel and user mode USB infrastructure, which you can read linus elsewhere on this site. It covers there library init, device finding, and communication.

Ez Usb –

Someone could usefully write a Free Software version. It can support all USB endpoints 30 plus control. Devices that also have off-chip memory use the two stage loader mode. Martin Diehl has provided EZ-USB firmware implementing simple device protocols that are very useful when used with f2x software from Linux-USB hosts, to help verify correct operation of the host and isolate bugs.

Plugging EZ-USB devices into a Linux f2x runs device-specific scripts, which can download the appropriate firmware hexfile.

There’s a project working on HID firmware: