STM32 Morse device

An STM32F103C6T6 microcontroller firmware. Textual information goes to the USART pins on a microcontroller, while Morse signal is on one of the digital pins, for example, connected to LED. Sending ASCII letters through USART will make an LED blink accordingly to the decoded Morse signal, and otherwise. It is my first firmware made with Zig programming language, and it serves as a great example of…