电子发烧友

全套零件。。没有视频。。求高手

2012-06-18 15:02

#include#define uchar unsigned char#define uintunsigned int#define FOSC12000000L#define TSTEP0(65536-FOSC*16875/12000000)//16875*1us计时***it KEY0=P3^2;//反向加速按键//***it KEY2=P3^3;***it POUT=P0^4;***it POUT1=P0^5;uchar Count0 = 0;uint s;uint s1;//uchar Count1 = 0;void delay500ms(void){ uchar i,j,k; for(i=15;i>0;i--) for(j=202;j>0;j--) for(k=81;k>0;k--);}void delay1(uint del1)//延时del1X0.1ms 函数{ uint i,j; for(i=0;i8;TR0= 1;//启动定时器ET0= 1;//打开定时器中断允许位}void Time0_Int() interrupt 1{TH0 = TSTEP0;TL0 = TSTEP0>>8;Count0++;//长度加1}*/void Time1_Init(){//TMOD = 0x10; //定时器1选用方式1TH1= TSTEP0; //初值的计算TL1= TSTEP0>>8;TR1= 1;//启动定时器ET1= 1;//打开定时器中断允许位}void Time1_Int() interrupt 3{TH1 = TSTEP0;TL1 = TSTEP0>>8;Count0++;//长度加1}void Outside_Init0(void){IT0 = 0;//低电平触发EX0 = 1;//外部中断0允许//IT1 = 0;//低电平触发//EX1 = 1;//外部中断1允许}void Outside_Int0(void) interrupt 0//高速反转中断函数{ delay500ms();//延时500ms给步进电机反向旋转缓冲POUT1=0;//反向s=250;s1=1;//改s1可以修改反转速率 while(1) {if(KEY0==0&&25000/s>s1){delay1(25000/s);//缓慢加速至高速s++;POUT=!POUT; } else if(KEY0==0&&(25000/s

2016-06-15 16:10

求救啊``大神来帮忙帮我改下这个程序``使单片机输出驱动电机正转的时候一个输出脚高电平一个输出脚低电平反转两个引脚输出电平相反我要用这个程序来运行L298N电机驱动模块单片机是89c51rc``感谢

2013-04-27 10:36

AT89C51RC2哪种型号比较好？AT89C51RC2-IM ？AT89C51RC2-UM ？ AT89C51RC2-CM ？还是其他型号的好？

2012-07-06 09:56