Bare metal projects using FrameworkLibOpenCM3

How to build PlatformIO based project

1. Install PlatformIO Core
2. Download development platform with examples
3. Extract ZIP archive
4. Run these commands:

# Change directory to example
$ cd platform-ststm32/examples/libopencm3-blink

# Build project
$ pio run

# Upload firmware
$ pio run --target upload

# Build specific environment
$ pio run -e disco_f407vg

# Upload firmware for the specific environment
$ pio run -e disco_f407vg --target upload

# Clean build files
$ pio run --target clean

STM32_metal