Default CSTD to c99, no default for CXXSTD, but if provided it will be used. Add required gnu99 flags to projects using gnu styles.
README
This is a simple polling example that sends the value read out from the temperature sensor ADC channel of the STM32 to the USART2.
This example polls injected channels.
The terminal settings for the receiving device/PC are 115200 8n1.