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ad7946

logic to control the TI AD7946

adc_rate_changer

a littel block to change mux by 2:1 and double the rate

alinx

some files to test the new ALINX AXU2CG-E development board

arty_mac_test

A test design to see how the Tri-mode Ethernet MAC can be used in a small FPGA design.

axi_sim

just some files that show one simple way to simulate some axi cycles.

axi_stream_to_ddr

Experiments streaming data to memories - not mature

ddr_if_5to2

a tricky 5:2 ddr interface in system verilog using xilinx I/O logic :-}

eddr3

mirror of https://git.elphel.com/Elphel/eddr3

embedded-web-interface

Experimenting with ideas about controlling embedded hardware with a web interface.

fft_demo

I need some FFT code to do some spectral analysis on some sampled data.

fftw_sandbox

this is a place to play with fftw3

fftw_test

This is a little program to run fftw on various machines as a crude benchmarking tool.

fpga-ftdi245fifo

FPGA-based USB fast communication using FT232H/FT600 chip.

freertos_test

This is a project to understand data streaming under FreeRTOS on the Xilinx ZynqMP.

ftdi_sync_fifo

An attempt to use the synchronous fifo mode of the FTDI FT2232H USB transceiver.

gps_sim

An attempt to synthesize GPS signals in FPGA logic.

hdl

HDL libraries and projects

heater

An FPGA "heater" design to use LFSR data to toggle logic for the purpose of stressing the power supply.

i2c_simple

An attempt to write a very simple IIC interface for use in fpga designs.

iir_filter

IIR digital filter implemented using Vivado HLS and C++

kcu105_pcie_test

testing some new features of the Ultrascale PCIe port.

kintex-pcie-board

KiCad project for Kintex 7 PCIe board

kria_ubuntu

Ubuntu for FPGA control on Kria Vision AI Kit

litefury_pcie

A little project to provide the fpga design for a PCIe board being done in KiCad.

make_for_vivado

experimentation with gnu make for Xilinx Vivado compilation. dependencies can be complicated.

matlab_vhdl_sim

demo of using Matlab to make stimulus and receive results from VHDL simulation

microblaze_command_processor

microblaze_ddr3_linux

I need to test the ddr3 interface on a board. Maybe I can then run Linux on a Microblaze.

microblaze_linux

MicroBlaze petalinux targeting Arty A7 100T, UART, QSPI, Ethernet, XADC, GPIO

my_kicad

Miscellaneous KiCad work