Discover WRansohoff/GD32VF103_templates Open Source project

Example firmware to run an SSD1306 display as a demonstration of C++ inheritance in an embedded application on an STM32 ARM Cortex-M chip.

STM32_CPP_Inheritance

game_and_watch_fun

Repository containing code to run on a Nintendo Game and Watch.

KiCAD_STM32_Example

Example project containing a KiCAD project for a basic STM32 breakout board.

STM32F723E_QSPI_Example

Example program demonstrating how to access Quad-SPI Flash chips using an STM32F723E Discovery Kit.

min_freertos_blink

An example FreeRTOS project for STM32 microcontrollers. I'm hoping this can be a simple starting point for learning about using a realtime operating system.

STM32_LiPo_Example

Simple lithium battery-powered STM32 board using an MCP73831 for charging.

OLED_test_boards

Repository with KiCAD projects for two boards which provide SPI communication to a 30-pin 128x64 monochrome SSD1306 display panel, and a 23-pin 96x64 multicolor SSD1331 one.

rv32i_nmigen_blog

Minimal RISC-V RV32I CPU design as described in a companion blog post.

A few simple example projects demonstrating how to use some core features of STM32 UART peripherals.

STM32_UART_Examples

STM32WB55Cx_minimal

(Currently untested) minimal STM32WB board. These look cool because they have a bluetooth / 802.15.4 radio and an internal switching power supply. Fun!

SQLite3_STM32_SDMMC

Repository to test building sqlite3 as a static library for an ARM Cortex-M platform. Nothing functional yet, but I plan to use the 'Gristle' FAT filesystem library with a custom SD/MMC peripheral driver for the STM32L4 line of microcontrollers. Why? Because I want to make a handheld GPS mapping device, and it'd be cool to use spatialite databases.

CP2102N_simple

Simple breakout board for a CP2102N USB / UART bridge.

W1209_ADC_Monitor

Example firmware to monitor the ADC and display it to a 3-digit 7-segment display on a W1209 board.

STM32_ILI9341_HWSPI

Minimal code example for using the STM32's hardware SPI peripheral to drive an ILI9341 TFT display.

STM32_DMA_Examples

Some simple examples demonstrating how to use STM32 DMA peripherals

STM32F0_minimal_GPIO

Minimal STM32 project for using GPIO pins - as an example, this uses a button connected to pin B1 to control an LED connected to pin B3.

nmigen_getting_started

A few basic designs to demonstrate the syntax for using nMigen's basic features.

Various practical examples for getting started with developing on Cortex-M platforms using Thumb assembly. Work-in-progress as I learn

ARM_Cortex_M_Assembly

A couple of examples demonstrating how to run ephemeral programs in RAM and use Tightly-Coupled Memories on an STM32F723E Discovery Kit.

STM32F7_ramloaders

Tetris-PebbleTime

Tetris for the Pebble Time watch.

RFM95W_LoRa_test

Minimal STM32 application to demonstrate sending and receiving messages over LoRa using a HopeRF RFM95W radio module.

nmigen_ice40_spi_flash

Simple test application to read data out of an iCE40 FPGA board's SPI Flash chip.

A few examples showing how to configure the STM32 external memory controller to communicate with the PSRAM and display on an STM32F723E Discovery Kit.

STM32F723E_FMC_Examples

STM32_quickstart

Another 'quickstart' recipe for starting a new STM32-based GCC project. I've tried a few different project layouts for bare-metal C applications targeting Cortex-M microcontrollers, and this repository is an effort to reduce the common pain points that I encounter by minimizing external dependencies and auto-generating tedious compenets like the vector table.

STM32F0_SSD1331_softSPI

Example code for drawing to a 96x64-pixel SSD1331 16-bit color OLED display over SPI from an STM32F031 chip, without using the hardware SPI peripheral.

STM32x0_timer_example

Example project demonstrating how to set up the core system clock and use it to drive a timer peripheral to blink an LED every second on an STM32F031K6 or STM32L031K6

nmigen_rv32i_min

Minimal work-in-progress implementation of a RISC-V CPU using nMigen. It supports the core RV32I instructions, but it is too large and still in-progress.

Example firmware for an STM32F0 or L0 to draw to a 2.9" eink display using its SPI peripheral.

STM32_Epaper29_Example

STM32_ExternalMemory

Minimal example demonstrating how to map external memories to an STM32's internal memory space using its Quad-SPI and "Flexible Memory Controller" peripherals.

STM32G0_HelloWorld

Just an example test program for a pretty new line of STM32 chips.

W1209_Example_Firmware

Example firmware for the STM8-based W1209 digital thermostat/relay board.

svd2rust_example_stm32l0x1

Example repository demonstrating how to generate a Rust 'peripheral access crate' from an SVD file, and how to use that library to blink an LED.

Addressable RGB LEDs can be a fun and festive addition to any holiday!

HolidayStarLights

STM32G0_TFT_DMA

Example embedded Rust project demonstrating how to use an auto-generated 'Peripheral Access Crate' to drive a small TFT display over SPI using DMA.

Super-simple templates to remind me of the syntax for Rust/C interoperability.

Rust_C_Interop_Templates

STM32_Rust_HAL_Blink

Example repository to blink an LED on an STM32F3 board using the 'cortex-m-quickstart' Rust template and the 'stm32f30x-hal' crate.

Simple scripts to partially automate generating visualizations of STM32 peripheral mappings. The scripts are in pretty rough shape though, and they still require some manual steps.

STM32_viz_gen

Minimal STM32 project for using GPIO pins - as an example, this uses a button connected to pin B1 to control an LED connected to pin B3. This is a minimal project to demonstrate supporting two different chip architectures - the STM32F031 (Cortex-M0) and STM32L031 (Cortex-M0+).

STM32x0_minimal_GPIO

FPM-C_STM32_Example

Adapted example code from the 'FPM-C' fingerprint sensor library for an STM32L4 core. The library does include an example for the cheap-and-cheerful 'blue pill' board, but I'm not sure what it uses as a build system: https://github.com/brianrho/FPM-C

STM32x0_DS3231_I2C_Example

An example project for using an STM32F0 or L0 chip to communicate with a DS3231 Real-Time Clock module over I2C. Example code for using an EEPROM chip on the same bus is also included.

NiMH_battery_checker

A simple STM8 application to check the charge level of an NiMH battery and light up one of three LEDs.

STM32_Rust_PAC_Blink

Example repository to blink an LED on an STM32F3 board using one of Rust's "Peripheral Access Crates". It's a step down from a HAL, similar to a header file full or register structs and bit definitions in C.

Script to generate flexible rectangular areas of plywood.

flexible_plywood_generator

Example of how to use an STM32G0's DMA driven by its DACs in order to generate two audio tones.

STM32G0_Rust_DMA

Simple Rust project which converts SVD files to JSON using the svd2rust crate.

svd2json