说明：  用CodeWarriorTM的wizard引导生成一个工程;打开CodeWarriorTM左边的project窗口中的Files页， 可以看到PE生成了多个目录和文件， 包括Generated Code和 User Modules等，如图14所示。其中User Modules中的DP256B_PE_SPI.c就是主函数main所在的文件。双击即可将其打开。
(Generate a project with the wizard of CodeWarriorTM;Opening the Files page in the project window on the left side of CodeWarriorTM, you can see that the PE generates multiple directories and Files, including Generated Code and User Modules, as shown in figure 14.The dp256b_pe_spspi in User Modules is the file that main function main is in.Double click to open it.)