中断无法返回的问题

ghdong88

<>/*初始化递减模数计数器，定时MCCNT个周期时间*/<BR>void Init_MDC(void) <BR>{<BR>&nbsp; //打开模数减计数器的中断使能, 模数减计数器使能,预分频24M/2/16=750K<BR>&nbsp;// MCCTL=0xCF;&nbsp; //11001111<BR>&nbsp; MCCTL_MCPR=0b11;//预分频16<BR>&nbsp; MCCTL_MCEN=0;//计数器被预置为0xFFFF<BR>&nbsp; MCCTL_MODMC=1;//循环计数方式<BR>&nbsp; MCCTL_MCZI=1;//中断使能<BR>&nbsp; MCCTL_MCEN=1;//计数器使能&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp; MCCNT=0x0EA6;<BR>&nbsp; //把模数常数寄存器的值加载到模数计数器<BR>&nbsp; MCCTL_FLMC=1;; <BR>&nbsp; <BR>}<BR>interrupt void MDC_ISR(void)<BR>&nbsp;{<BR>&nbsp;&nbsp;&nbsp; DisableInterrupts;<BR>&nbsp;&nbsp;&nbsp;&nbsp; <BR>&nbsp;&nbsp; &nbsp;// 侧路面&nbsp;</P><P>&nbsp;&nbsp;&nbsp; //测速<BR>&nbsp;&nbsp;&nbsp; MCFLG_MCZF=1;&nbsp;&nbsp;&nbsp;&nbsp; //清标识位&nbsp;&nbsp; 16位减计数器标志寄存器<BR>&nbsp;&nbsp;&nbsp; EnableInterrupts ;<BR>&nbsp;}<BR>上面是我的MDC的初始化和中断服务函数，还是昨天的问题，进了中断就再也出不来了，就一直在里面循环了。我是的真的没有办法了，能帮我看看哪里出了问题吗？万分感谢您。</P>

whut_wj

看是不是中断向量设错了,或是中断地址搞错了.

王洪亮

请问怎么返回中断里面的值啊，定义全局变量以后，用return怎么不行啊？