stm32通过串口接收GPS信号，并且在显示屏上输出GPS信息-use UART to receive GPS information with stm32 board,printf GPS information on tft screen.

stm32F103ZE串口测试程序，可以通过超级终端输出和输入数据，此程序完整可用。-stm32F103ZE serial port test program, you can output and input data HyperTerminal, the integrity of the process is available.