A number of them need to download firmware before they are usable. There’s a project working on HID firmware: That means computers need to download firmware to such devices before they’re used. One suitable loader is available from Cypress. This content has been marked as final. Plugging EZ-USB devices into a Linux system runs device-specific scripts, which can download the appropriate firmware hexfile.

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Device firmware just processes interrupts, fills buffers, and tells the hardware to do its thing. Someone could usefully write a Free Software version.

Please help me to solve this problem. For linux, there are quite a few open source drivers. Please type your message and try again. At this writing, all that firmware is statically linked into the appropriate mini-driver.

I dont know what to do about driver. USB devices typically have to work with many operating systems. A company called AnchorChips now owned by Cypress came out with an innovative and useful product a while ago: Martin Diehl has provided EZ-USB firmware implementing simple device protocols that are very useful when used with usbtest software from Linux-USB fd2, to help verify correct operation of the host and isolate bugs.


Please turn JavaScript back on and reload this page. Now what should i do??

What programming language will you be using for the host software? The FX2 doesn’t support quite as many endpoints six plus controlbut it does handle multibuffered high speed transfers in hardware.

fxload (8) – Linux Man Pages

For end user scenarios, it hooks up easily to hotplug utilities. I’ll be very thankful to you. I prefer to use a scripting language whilst testing I use ruby, along with the ruby-usb bindings, though python and PyUSB are very similar. I use libusb, and move the driver work into the actual software instead.

Plus, it’s easier to distribute updated firmware if you don’t need to upgrade a kernel driver to do that. This web page is designed as a community resource, with cross links to related projects as well as hosting some Linux-focused efforts directly.

Go to original post. Firmware source is available. Their Linux support builds on the common liunx and user mode USB infrastructure, which you can read about elsewhere on this site.


This tool uses JavaScript and much of it will not work correctly without it enabled. Welcome to the Cypress Developer Community 3. When supported directly by the Linux kernel, these devices appear just like any other kind of serial port. Thanks for your guidence. It can support all USB endpoints 30 plus control. The device just sees USB packets irrespective of the driver it is connected to. You’ll most probably have to develop to over one fc2 them.

EZ-USB driver in Linux | Cypress Developer Community

If you didn’t want to do this, you could write your own kernel driver, or just use libusb and a daemon instead. That means computers need to download xf2 to such devices before they’re used.

I have searched for its driver for Linux,but have not found it yet. This software is still usable on 2. Please enter a title.