單片機驅(qū)動步進電機程序代碼.doc

/*實現(xiàn)功能：正轉(zhuǎn)程序使用芯片：AT89S52晶振：11.0592MHZ編譯環(huán)境：Keil作者：【聲明】此程序僅用于學習與參考，引用請注明版權(quán)和作者信息！ */#include /庫文件#define uchar unsigned char/字符型宏定義#define uint unsigned int/整型宏定義uchar tcnt; /定時器計數(shù)初值定義uint sec; /速度值定義uchar buf11;uchar bai,shi,ge;/*控制位定義*/sbit shi_neng=P10; /使能控制位sbit fang_shi=P11; /工作方式控制位sbit fang_xiang=P12;/旋轉(zhuǎn)方向控制位sbit mai_chong=P13; / 脈沖控制位/*延時函數(shù)*/void delay1ms(uchar z)uchar x,y;for(x=0;xz;x+)for(y=0;y110;y+);/*定時中斷服務(wù)函數(shù)*/void t0(void) interrupt 1 using 0 /定時中斷服務(wù)函數(shù)tcnt+; /每過250ust tcnt 加一if(tcnt=1) /當tcnt滿足條件時tcnt=0; /計滿重新再計sec+;if(sec=6) /括號內(nèi)數(shù)值越小，電機轉(zhuǎn)動速度越快sec=0; /計滿重新再計mai_chong=mai_chong; /脈沖輸出/*定時器0/1初始化*/void T0_Init()ET0 = 1;TMOD = 0x22;TH0=0x06; /對TH0 TL0 賦值TL0=0x06;TR0=1; /開始定時sec=0;mai_chong=1; / 脈沖控制位/*串口初始化*/void Uart_Init()TMOD = 0x22;TH1 = 0xFD;TL1 = 0xFD;SCON = 0x50;PCON &= 0xef;TR1 = 1;/*數(shù)據(jù)接收函數(shù)*/void ReceiveBuf()int i;for(i=0;i11;i+)bufi = SBUF;while(RI = 0);RI=0;/*角度控制函數(shù)*/void Control()if(bai=buf5)&(shi=buf6)&(ge=buf7)shi_neng=0;if(baibuf5)shi_neng=1;fang_xiang=1;if(bai=buf5)&shibuf6)shi_neng=1;fang_xiang=1;if(bai=buf5)&(shi=buf6&(gebuf7)shi_neng=1;fang_xiang=1;if(bai=buf5)&(shi=buf6)&(ge=buf7)shi_neng=0;delay1ms(3);bai=buf5;shi=buf6;ge=buf7;/*主函數(shù)*/main()EA=1;T0_Init();Uart_Init();while(1)/shi_neng=1; /使能控制位fang_shi