Programming with Ada on the Adafruit STM32 Feather Development Board

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Programming with Ada on the Adafruit STM32 Feather Development Board [Copy link]

 

Source: https://blog.adacore.com/ada-on-a-feather

This article describes porting Ada on the Adafruit STM32 Feather development board.

In the last couple of years, the maker community switched from AVR based micro-controllers (popularized by Arduino) to the ARM Cortex-M architecture. AdaFruit was at the forefront of this migration, with boards like the Circuit Playground Express or some of the Feathers.
AdaFruit chose to adopt the Atmel (now Microchip) SAMD micro-controller family. Unfortunately for us it is not in the list of platforms with the most Ada support so far (stay tuned, this might change soon).
So I was quite happy to see AdaFruit release their first Feather format board including a micro-controller with plenty of Ada support, the STM32F4. I bought a board right away and implemented some support code for it.
The support for theFeather STM32F405is now available in the Ada Drivers Library, along with two examples. The first just blinks the on-board LED and the second displays Make With Ada on a CharlieWing expansion board.

Setup

To compile the examples you need to download and install the following: the GNAT arm-elf package from adacore.com/download (I also recommend the native package to get the IDE GNAT Studio) and the Ada Driver Library code from GitHub (

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).

You must then run the script scripts/install_dependencies.py to install the runtime BSP.


Build

To build the examples, open one of the project files examples/feather_stm32f405/blinky/blinky.gpr or examples/feather_stm32f405/charlie_wing/charlie_wing.gpr with GNATstudio (Aka GPS) and click on the "Build All" icon.


Download

Using DFU or programmer