参考程序框架：.doc

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1、参考程序框架：引脚定义:#define按钮1Px_x;#define按钮2Px_x;.......变量定义:......       设置定时器工作方式；       开定时器中断；        开定时器；//定时器中断处理程序{              停定时器；               步进脚电平翻转；              清空标志位；              重新装入定时值；//与速度有关；              if（停止开关未闭合）                         {启动定时器；}} //主程序：『while(1){       while(试用开

2、关未闭合)；           //等待              //试用程序：            『                           步数清零；                            //向右走:                                                                        设为慢速度（设置定时器）；                                           方向＝右；                                             w

3、hile(到位开关未闭合)                                                      『                                                                    方向＝右；                                                        』                                              //如果到达；                                                 

4、  停定时器；                                                   总步数＝当前步数；                                                   速度＝50秒/总步数；                                                   以速度值设置定时器；                 』            试用开关＝闭合；             //至此完成试用；             // 查询左行或右行             if(左行开关闭合){   

5、                                             while(当前步数不为0)      //未走到最左；                                                                     {                                                                                    方向＝左；                                                                    

6、                if（右行开关闭合）{break;}                                                                        }                                             }             if(右行开关闭合){                                                while(当前步数不为总步数)      //未走到最左；                                             

7、                        {                                                                                    方向＝左；                                                                                     i