Code is cloned from here: https://cgit.pinealservo.com/BluePill_Rust And examples from here: https://github.com/lupyuen/stm32-blue-pill-rust
To flash the STM32, run this from working directory: cargo flash --release --chip STM32F103C8 (Builds the code and flashes the chip)
To flash and see the debug console: cargo embed --release