适合STM32全系列的串口应用软件包，功能丰富，包含环形缓冲区应用，中断写入缓冲，应用读取缓冲，命令帧解析根据需要自定义，包含从串口终端输入整数/字符串，极大地方便调试测试；(Suitable for the full range of STM32 serial application software package, rich features, including the application of ring buffer, interrupt write buffer, application buffer, command frame analysis according to the need of custom, including serial terminal input / integer string, which greatly facilitates debugging and testing;)