飞凌FL2440开发板裸机ADS实验工程文件，可以直接用RVDS打开使用，包含所有源代码和工程项目。这个是串口实验。-Feiling FL2440 development board bare metal ADS experimental project file, you can directly open with RVDS, contains all the source code and projects. This is the serial experiment.