Tag Archives: fx2

FX2 CyStream throughput test with SDCC and fx2lib

Posted on April 14, 2009 by Dennis

I’ve been optimizing my firmware for throughput and I thought a good benchmark would be to test it against the CyStream example provided by Cypress. I modified their CyStream.c file to be compatible with the latest firmware file provided by … Continue reading →

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Cypress GPIF waveform behavioral model

Posted on March 12, 2009 by Dennis

I sent an email to the fx2lib mailing list that I thought would make good information for a bigger audience. Eventually, I’ll probably provide a Verilog behavioral model for the GPIF on the Cy7C68013 (and variants), but for now, this … Continue reading →

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fx2lib documentation and source download

Posted on February 4, 2009 by Dennis

I’ve uploaded documentation and a source download for fx2lib. Here is the copy of the Sourceforge announcement. The fx2lib sources are stable enough to build complete firmware implementations for the cypress fx/fx2 variants of the 8051 chipset. The current release … Continue reading →

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An Open Source Library for Writing Firmware on the Cypress FX2 with SDCC

Posted on December 5, 2008 by Dennis

After playing around with the Cypress FX2 and SDCC for the past while, I’ve developed a library of utilities that make some of the common tasks for writing firmware and performing certain functions a little easier. I’m lucky to work … Continue reading →

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A few open source tips for the Cypress FX2LP (EZ-USB Cy7c68013A)

Posted on October 24, 2008 by Dennis

I’ve had the enjoyable experience of playing around with the Cy7c68013a chip on the Ez-Usb development board for the past few weeks. I thought I’d post a few tips for developing in this type of environment with open source software. … Continue reading →

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