Sunday, June 1, 2025

Gowin EDA on Ubuntu 24.04.2 LTS

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To run on Ubuntu open terminal  cd into the gowin installed directory where bin lib directories are after the untar  export LD_LIBRARY_PATH=...
Saturday, May 31, 2025

Using Gowin IDE on ubuntu 22.04

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 Need to install QT    sudo apt install -y qtcreator qtbase5-dev qt5-qmake cmake Open terminal and use cd <to where the gowin tools are...
Monday, April 7, 2025

Raspberry PI Zero freeing up serial port /dev/ttyAMA0 for

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The Pi Zeros only have two serial ports, only one can be mapped to the GPIO pin header at a time.  So, how to free up the serial port for a ...
Tuesday, August 29, 2023

Sipeed M1S Dock Hello world how to

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 Sipeed is selling a M1s Dock at several places pricing is around $13USD.  The main processor, has uses the BL808 which has 3 processors: RI...
Friday, August 26, 2022

SPI slave as a Wishbone master for offloading Pi Zero Flight controller (BaseFlight)

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(This is still work in progress but wanted to publish it and keep working on it)  The Raspberry PI zero has a good price performance ratio, ...
Tuesday, October 20, 2020

Using asyncio with libgpiod on an OrangePI Zero

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 Python is a great tool to create simple/fast test code, combine that with libgpiod, now you can toggle and monitor gpio pins.   In recent L...
2 comments:
Sunday, August 30, 2020

Using FPGA to accelerate serial protocol handling adding two AXI Stream blocks.

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 I have been working on communication protocol to the CMOD-S7 and CYC1000 via the FTDI over USB.  One of the issues is round-trip-time.  Cur...