FT4222H Software Examples
This page contains examples specific to the FT4222H Hi-Speed USB to SPI/I2C bridge IC.
Windows Examples

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 1.4.4).
Linux Examples

Linux shared objects (for i386, x86_64 and ARMv6-hf) implementing the LibFT4222 API, with D2XX built-in are available here (version 1.4.4.44). The package includes C example code.
Android Examples
A sample application for Android OS accessing the devices Quad SPI mode is available for download here.