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README.md

FFP Control Software

The control software for FFP runs on your computer and uses the FFP hardware to program an FPGA or SPI flash. It is written in Rust.

Pre-built Binaries

Pre-built binaries are available for Windows and Linux on the Releases page. You must have libusb installed or available on your system.

Build Requirements

  • You must have a working Rust compiler installed. Visit rustup.rs to install Rust.

  • You'll need to set up drivers or permissions to access the USB device, see the drivers page for more details.

Building

cargo build --release

You can either run the ffp executable directly from target/release/ffp, or install it for your user using cargo install --path ..

Installing

FFP software can be installed directly using Cargo:

cargo install ffp

Usage

Run ffp help for detailed usage. Commonly used commands:

  • ffp fpga program bitstream.bin
  • ffp fpga reset
  • ffp fpga power on
  • ffp flash id
  • ffp flash program bitstream.bin

Python Alternative

The prototype for this software was written as a Python script which is also available (prog.py).

Cross-Compiling for Windows from Linux

From a stock Ubuntu 18.04 image, the following commands generate an ffp.exe suitable for 64-bit Windows:

$ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
# (accept defaults)
$ source $HOME/.cargo/env
$ cd /tmp
$ rustup target add x86_64-pc-windows-gnu
$ apt install -y p7zip-full build-essential gcc-mingw-w64-x86-64 libusb-1.0 pkg-config
$ wget https://github.com/libusb/libusb/releases/download/v1.0.23/libusb-1.0.23.7z
$ 7z x libusb-1.0.23.7z
$ git clone https://github.com/adamgreig/ffp
$ cd ffp/software
$ mkdir .cargo
$ echo -e '[target.x86_64-pc-windows-gnu]\nlinker = "x86_64-w64-mingw32-gcc"\nrustflags = [ "-L", "/tmp/MinGW64/dll/"]' > .cargo/config
$ env PKG_CONFIG_ALLOW_CROSS=1 cargo build --release --target x86_64-pc-windows-gnu

The resulting binary is target/x86_64-pc-windows-gnu/release/ffp.exe. It needs the libusb-1.0.dll file from /tmp/MinGW64/dll/ available on the Windows system, either in the same directory as ffp.exe or installed system-wide.