写了几个定时的程序

whut_wj · 发表于 2008-12-6 06:45:04

<DIV><SPAN style="FONT-SIZE: 14pt">先简单比较一下HCS12里的定时和计时的几套方案,列出例子,以供参考.</SPAN></DIV><DIV><SPAN style="FONT-SIZE: 14pt">内含详细代码,都经过测试.</SPAN></DIV><DIV><SPAN style="FONT-SIZE: 14pt">1.MDC,这个比较好用,精确,容易计算</SPAN></DIV><DIV><SPAN style="FONT-SIZE: 14pt">2.RTI,这个不额外占资源,以晶振为参与钟,方便,难精确</SPAN></DIV><DIV><SPAN style="FONT-SIZE: 14pt">3.输出比较计时,这个多通道可以计多个时间,耐用,好用</SPAN></DIV><DIV><SPAN style="FONT-SIZE: 14pt">4.TCNT溢出中断,这个是写着玩的.</SPAN></DIV><DIV><SPAN style="FONT-SIZE: 14pt">5 RELAY() 最经典的延时,不多说.....</SPAN></DIV><DIV><SPAN style="FONT-SIZE: 14pt">程序如下:</SPAN></DIV><DIV><SPAN style="FONT-SIZE: 14pt"></SPAN> </DIV><

><A target=_blank href="http://www.rayfile.com/files/4106048a-c67a-11dd-b906-0019d11a795f/" target=_blank>MDCFORTIMING.rar</A><BR><A target=_blank href="http://www.rayfile.com/files/5488121e-c67a-11dd-a092-0019d11a795f/" target=_blank>RTIFORTIMING.rar</A><BR><A target=_blank href="http://www.rayfile.com/files/249ee28a-c67a-11dd-85c1-0019d11a795f/" target=_blank>CAMPAREFORTIMING.rar</A><BR><A target=_blank href="http://www.rayfile.com/files/cefd2975-c67a-11dd-8c1d-0019d11a795f/" target=_blank>TIMEROVERFLOWFORTIMING.rar</A></P><P>RELAY的自己写吧.......</P>