README.md

stm32-minimal

For this particular project, you also need the STM32CubeL1:

http://www.st.com/content/st_com/en/products/embedded-software/mcus-embedded-software/stm32-embedded-software/stm32cube-mcu-packages/stm32cubel1.html

and extract the content of the Drivers/ directory of this archive to the one in this project.