单片机驱动步进电机程序代码

1、/*实现功能：正转程序使用芯片：AT89S52晶振：11.0592MHZ编译环境：Keil作者：【声明】此程序仅用于学习与参考，引用请注明版权和作者信息！ */#include<reg52.h> /库文件#define uchar unsigned char/字符型宏定义#define uint unsigned int/整型宏定义uchar tcnt; /定时器计数初值定义uint sec; /速度值定义uchar buf11;uchar bai,shi,ge;/*把握位定义*/sbit shi_neng=P10; /使能把握位sbit fang_shi=P11; /工作方式把握

2、位sbit fang_xiang=P12;/旋转方向把握位sbit mai_chong=P13; / 脉冲把握位/*延时函数*/void delay1ms(uchar z)uchar x,y;for(x=0;x<z;x+)for(y=0;y<110;y+);/*定时中断服务函数*/void t0(void) interrupt 1 using 0 /定时中断服务函数tcnt+; /每过250ust tcnt 加一if(tcnt=1) /当tcnt满足条件时tcnt=0; /计满重新再计sec+;if(sec=6) /括号内数值越小，电机转动速度越快sec=0; /计满重新再计mai

3、_chong=mai_chong; /脉冲输出/*定时器0/1初始化*/void T0_Init()ET0 = 1;TMOD = 0x22;TH0=0x06; /对TH0 TL0 赋值TL0=0x06;TR0=1; /开头定时sec=0;mai_chong=1; / 脉冲把握位/*串口初始化*/void Uart_Init()TMOD = 0x22;TH1 = 0xFD;TL1 = 0xFD;SCON = 0x50;PCON &= 0xef;TR1 = 1;/*数据接收函数*/void ReceiveBuf()int i;for(i=0;i<11;i+)bufi = SBUF;w

4、hile(RI = 0);RI=0;/*角度把握函数*/void Control()if(bai=buf5)&(shi=buf6)&(ge=buf7)shi_neng=0;if(bai<buf5)shi_neng=1;fang_xiang=0;else if(bai>buf5)shi_neng=1;fang_xiang=1;if(bai=buf5)&shi<buf6)shi_neng=1;fang_xiang=0;else if(bai=buf5&shi>buf6)shi_neng=1;fang_xiang=1;if(bai=buf5)&(shi=buf6&(ge<buf7)shi_neng=1;fang_xiang=0;else if(bai=buf5)&(shi=buf6)&(ge>buf7)shi_neng=1;fang_xiang=1;if(bai=buf5)&(shi=buf6)&(ge=buf7)shi_neng=0;delay1ms(3);bai=buf5;shi=buf6;ge=buf7;/*主函数*/main()EA=1;T0_Init();Uart_Init();while(1)/shi_neng=1; /使能把握位