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请教:用msp430实现WDF低通滤波的问题



TI公司网站上下载了LWDF数字滤波器例程wdf_exm_1(网址为http://www.ti.com/mcu/docs/litabsmultiplefilelist.tsp?sectionId=96&tabId=1502&literatureNumber=slaa331&docCategoryId=1&familyId=2922),根据readme.txt的说明在IAR平台下(版本IAR for MSP430 IDE,VER5.502)进行组建编译,但是debug出错,似乎主函数调用子函数后无法继续往下执行,出现堆栈溢出的情况。请问该问题该如何解决?
       附件为运行到子程序DCO()的时候出现的问题。我试过将该程序屏蔽,运行到另一个子程序wdf_ex1时也会出现同样的问题。请大侠不吝赐教,十分感谢!