nuttx-on-the-stm32f103c8t6

https://microcontrollerelectronics.com/nuttx-on-the-stm32f103c8t6/

codeblocks astyle:

STM32F4DISCOVERY:
https://cwiki.apache.org/confluence/display/NUTTX/STM32F4DISCOVERY+Unix

st-flash --connect-under-reset write nuttx.bin 0x8000000