STM32F103RBT6控制2.8寸TFT屏的整个工程文件，不带操作系统的，纯I/O口操作，代码少，特别适合初学者。-STM32F103RBT6 control of 2.8-inch TFT screen the entire project file, without the operating system, pure I/O port operation, code less, especially for beginners