但是工程下，include 文件夹下的已经包含DSP2833X_CPUTIMERS.H文件了。文件里面也有定义，如下：请高手帮忙看看是什么情况啊?
extern volatile struct CPUTIMER_REGS CpuTimer0Regs;
extern struct CPUTIMER_VARS CpuTimer0;
undefined first referenced
symbol in file
--------- ----------------
_ConfigCpuTimer D:\\CCStudio_v3.3PLA\\MyProjects\\test\\test\\Debug\\Example_2833xLEDBlink.obj
_CpuTimer0 D:\\CCStudio_v3.3PLA\\MyProjects\\test\\test\\Debug\\Example_2833xLEDBlink.obj
_InitCpuTimers D:\\CCStudio_v3.3PLA\\MyProjects\\test\\test\\Debug\\Example_2833xLEDBlink.obj
error: unresolved symbols remain
error: errors encountered during linking; "./Debug/test.out" not built
