This page contains examples
specific to the
FT4222H Hi-Speed USB to SPI/I2C bridge IC.
A middleware library (LibFT4222) for Windows OS that sits on top of
the D2XX driver and provides a range of APIs that are tuned for SPI
and I2C application development is available for download
here. (version 1.4.2).
Linux shared objects (for i386, x86_64 and ARMv6-hf)
implementing the LibFT4222 API, with D2XX built-in
are available here (version 220.127.116.11)
The package includes C example code.
A sample application for Android OS accessing the devices Quad SPI
mode is available for download