Introduction - If you have any usage issues, please Google them yourself
This example shows how to retarget the C library printf function to the USART.
This implementation output the printf message on the Hyperterminal using USARTx.
USARTx can be USART1, USART2 or USART3 to select the USART interface to be used
uncomment the #define USE_USARTx line in main.h file.