51單片機(jī)控制步進(jìn)電機(jī)硬件圖及C語(yǔ)言編程(共12頁(yè))

1、51單片機(jī)控制步進(jìn)電機(jī)硬件圖#include /51芯片管腳定義頭文件#include /內(nèi)部包含延時(shí)函數(shù) _nop_();#include#define uchar unsigned char#define uint unsigned intuchar code FFW8=0x01,0x03,0x02,0x06,0x04,0x0c,0x08,0x09; /四相八拍正轉(zhuǎn)編碼uchar code REV8=0x09,0x08,0x0c,0x04,0x06,0x02,0x03,0x01; /四相八拍反轉(zhuǎn)編碼sbit P14=P14; /將P14位定義為P1.4引腳sbit P15=P15; /將P

2、15位定義為P1.5引腳sbit P16=P16; /將P16位定義為P1.6引腳sbit P17=P17; /將P17位定義為P1.7引腳sbit P20=P20;/將P20位定義為P2.0引腳sbit P21=P21;/將P21位定義為P2.1引腳sbit P22=P22;/將P22位定義為P2.2引腳sbit P23=P23;/將P23位定義為P2.3引腳sbit P24=P24; /將P24位定義為P2.4引腳sbit P25=P25; /將P25位定義為P2.5引腳sbit P26=P26; /將P26位定義為P2.6引腳sbit P27=P27; /將P27位定義為P2.7引腳sb

3、it P34=P34; /將P34位定義為P3.4引腳sbit P35=P35; /將P35位定義為P3.5引腳sbit P36=P36; /將P36位定義為P3.6引腳sbit P37=P37; /將P37位定義為P3.7引腳sbit P30=P30; /將P30位定義為P3.0引腳sbit P31=P31; /將P31位定義為P3.1引腳sbit BEEP=P32; /蜂鳴器bit on=0; bit off=1; /運(yùn)行與停止標(biāo)志bit zdirection=0; /方向標(biāo)志bit fdirection=0; /方向標(biāo)志uchar h,l,k;/定義行鍵值/定義列鍵值uchar idat

4、a count3; /0-9數(shù)值儲(chǔ)存unsigned char code Tab =0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90; /數(shù)字09的段碼uchar keyval=0; /定義變量?jī)?chǔ)存按鍵值uchar dat=0; /按鍵值uint run_i=0;uchar count_i=0;uint run=0;/需要運(yùn)行的步數(shù)uint drun=0; /當(dāng)前運(yùn)行的步數(shù)bit flag; uint x=60;uint y=60;uint z=0;/*uint k=0; /調(diào)速按鍵次 */ /*/void led_delay1(void) u

5、nsigned char j;for(j=0;j52;j+) ; void beep() uchar j; for (j=0;j200;j+) led_delay1(); BEEP=!BEEP; /BEEP取反 BEEP=1; /關(guān)閉蜂鳴器 /*函數(shù)功能：數(shù)碼管動(dòng)態(tài)掃描延時(shí)*/void led_delay(void) unsigned char j;for(j=0;j200;j+) ; /*/*函數(shù)功能：軟件延時(shí)去抖動(dòng)子程序*/ void delay20ms(void) unsigned char i,j;for(i=0;i70;i+) for(j=0;j=0)&(dat=9)&(on=0)&

6、(off=1) countcount_i=dat;if(count0!=0)count_i+;if(count_i=3)&(on=0)&(off=1)count_i=0;if(count_i=0)&(on=0)&(off=1) if(count0=0)run=0; else run=count0*100+count1*10+count2;if(count_i=1)&(on=0)&(off=1)run=count0;if(count_i=2)&(on=0)&(off=1) run=count0*10+count1; if(dat=0)&(on=1)off=1;if(dat=16);flag=0;

7、 /*if(run!=0)*/ ddisplay(drun); dddisplay(); display(run);/* */ /調(diào)用按鍵值的數(shù)碼管顯示子程序if(run=drun)&run!=0)on=0;off=1;beep(); drun=0; run=0;count0=0; /顯示清零count1=0;count2=0;count_i=0; /* 外部中斷鍵盤(pán)掃描鍵值保存在dat中 */ void Interrupt1() interrupt 2 using 3 flag=1; /*/ void Interrupt2() interrupt 1 using 1 TR0=0; EX1=1

8、; TH0=0xec; TL0=0x78; x-; if(x=0) if(zdirection=1)&(fdirection=0)&(on=1)&(off=0)P1=FFWrun_i;fdirection=0; led_delay(); /動(dòng)態(tài)掃描延時(shí) led_delay(); /動(dòng)態(tài)掃描延時(shí) led_delay(); /動(dòng)態(tài)掃描延時(shí) led_delay(); /動(dòng)態(tài)掃描延時(shí) drun+;run_i+;if(run_i=8)run_i=0;if(run=drun)on=0;off=1; if(zdirection=0)&(fdirection=1)&(on=1)&(off=0)P1=REVrun_i; led_delay(); /動(dòng)態(tài)掃描延時(shí) led_delay(); /動(dòng)態(tài)掃描延時(shí) led_delay(); /動(dòng)態(tài)掃描延時(shí)