Re:Nubsio GPIO API – A Windows USB interface for controlling...
by madeintheusb on Wednesday April 05, 2017 @03:59PM
(#14045066)
You are right there is .NET support, I used it the SPI library.
I think there one library for I2C and one for SPI.
I settled on the FTDI ft4222 which is somehow easier to program
and can only do SPI and I2C (no IO, no UART). The FT232H could be faster
in SPI.
A couple of sources:
http://www.ftdichip.com/Support/SoftwareExamples/MPSSE/FTCSP...
https://github.com/zhelnio/MPSSELight