/libstickbridge

C library to establish an SPI channel with hardware instantiated in an iCE40 ICEStick FPGA over an USB bridge via the FTDI FT2232H chip

Primary LanguageCISC LicenseISC

libstickbridge

This is a C library to establish an SPI channel with hardware instantiated in an iCE40 ICEStick FPGA over an USB bridge via the FTDI FT2232H chip.

Original code written by julian1 https://github.com/julian1/ice40-spi-usb-controller based on Clifford Wolf's iceprog program from https://github.com/cliffordwolf/icestorm.git.

The code was subsequently refactored into this static library (Lib-Stick-Bridge) by Felipe Correa da Silva Sanches juca@members.fsf.org.

Happy Hacking!

Using Icestick fpga USB channel B for SPI communication

http://blog.julian1.io/2017/01/29/icestick-ftdi-spi.html

refs

basics, http://www.ftdichip.com/Support/Documents/AppNotes/AN_135_MPSSE_Basics.pdf

op codes, http://www.ftdichip.com/Support/Documents/AppNotes/AN_108_Command_Processor_for_MPSSE_and_MCU_Host_Bus_Emulation_Modes.pdf

spi example, http://www.ftdichip.com/Support/Documents/AppNotes/AN_114_FTDI_Hi_Speed_USB_To_SPI_Example.pdf

data sheet, http://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT2232H.pdf

api https://www.intra2net.com/en/developer/libftdi/documentation/group__libftdi.html

iceprog https://github.com/cliffordwolf/icestorm/blob/master/iceprog/iceprog.c