51單片機(jī)步進(jìn)電機(jī)正反轉(zhuǎn)調(diào)速1602顯示(共8頁)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上51單片機(jī)步進(jìn)電機(jī)正反轉(zhuǎn)調(diào)速1602顯示 - C51源代碼#include <reg51.h> /51芯片管腳定義頭文件#include <intrins.h> /內(nèi)部包含延時(shí)函數(shù) _nop_();#define uchar unsigned char#define uint unsigned int#define delayNOP(); _nop_();_nop_();_nop_();_nop_();uchar code FFW8=0xf1,0xf3,0xf2,0xf6,0xf4,0xfc,0xf8,0xf9;uchar code REV8=

2、0xf9,0xf8,0xfc,0xf4,0xf6,0xf2,0xf3,0xf1;sbit K1 = P32; /運(yùn)行與停止sbit K2 = P33; /設(shè)定圈數(shù)sbit K3 = P34; /方向轉(zhuǎn)換sbit K4 = P35; /速率調(diào)整sbit BEEP = P36; /蜂鳴器sbit LCD_RS = P20; sbit LCD_RW = P21;sbit LCD_EN = P22;bit on_off=0; /運(yùn)行與停止標(biāo)志bit direction=1; /方向標(biāo)志bit rate_dr=1; /速率標(biāo)志bit snum_dr=1; /圈數(shù)標(biāo)志uchar code cdis1 =

3、" STEPPING MOTOR "uchar code cdis2 = "CONTROL PROCESS"uchar code cdis3 = " STOP "uchar code cdis4 = "NUM: RATE: "uchar code cdis5 = " RUNNING "uchar m,v=0,q=0;uint number=0,number1=0; uchar snum=10,snum1=10; /預(yù)設(shè)定圈數(shù)uchar rate=2; /預(yù)設(shè)定速率uchar data_temp,

4、data_temP1,data_temp2; /*/* /* 延時(shí)t毫秒 /* 11.0592MHz時(shí)鐘，延時(shí)約1ms /* /*/void delay(uint t) uchar k; while(t-) for(k=0; k<125; k+) /*/void delayB(uchar x) /x*0.14MS uchar i; while(x-) for (i=0; i<13; i+) /*/void beep() uchar j; for (j=0;j<100;j+) delayB(4); BEEP=!BEEP; /BEEP取反 BEEP=1; /關(guān)閉蜂鳴器 delay

5、(170); /*/* /*檢查LCD忙狀態(tài) /*lcd_busy為1時(shí)，忙，等待。為0時(shí),閑，可寫指令與數(shù)據(jù)。 /* /*/ bit lcd_busy() bit result; LCD_RS = 0; LCD_RW = 1; LCD_EN = 1; delayNOP(); result = (bit)(P0&0x80); LCD_EN = 0; return(result); /*/* /*寫指令數(shù)據(jù)到LCD /*RS=L，RW=L，E=高脈沖，D0-D7=指令碼。 /* /*/void lcd_wcmd(uchar cmd) while(lcd_busy(); LCD_RS =

6、0; LCD_RW = 0; LCD_EN = 0; _nop_(); _nop_(); P0 = cmd; delayNOP(); LCD_EN = 1; delayNOP(); LCD_EN = 0; /*/* /*寫顯示數(shù)據(jù)到LCD /*RS=H，RW=L，E=高脈沖，D0-D7=數(shù)據(jù)。 /* /*/void lcd_wdat(uchar dat) while(lcd_busy(); LCD_RS = 1; LCD_RW = 0; LCD_EN = 0; P0 = dat; delayNOP(); LCD_EN = 1; delayNOP(); LCD_EN = 0; /*/* /* L

7、CD初始化設(shè)定 /* /*/void lcd_init() delay(30); lcd_wcmd(0x38); /16*2顯示，5*7點(diǎn)陣，8位數(shù)據(jù) delay(5); lcd_wcmd(0x38); delay(5); lcd_wcmd(0x38); delay(5); lcd_wcmd(0x0c); /顯示開，關(guān)光標(biāo) delay(5); lcd_wcmd(0x06); /移動(dòng)光標(biāo) delay(5); lcd_wcmd(0x01); /清除LCD的顯示內(nèi)容 delay(5);/*/* /* 設(shè)定顯示位置 /* /*/void lcd_pos(uchar pos) lcd_wcmd(pos

8、| 0x80); /數(shù)據(jù)指針=80+地址變量/*/* /* LCD1602初始顯示子程序 /* /*/void LCD_init_DIS() delay(10); /延時(shí) lcd_init(); /初始化LCD lcd_pos(0); /設(shè)置顯示位置為第一行的第1個(gè)字符 m = 0; while(cdis1m != '0') /顯示字符 lcd_wdat(cdis1m); m+; lcd_pos(0x40); /設(shè)置顯示位置為第二行第1個(gè)字符 m = 0; while(cdis2m != '0') lcd_wdat(cdis2m); /顯示字符 m+; dela

9、y(3000); /延時(shí) lcd_pos(0); /設(shè)置顯示位置為第一行的第1個(gè)字符 m = 0; while(cdis3m != '0') /顯示字符 lcd_wdat(cdis3m); m+; lcd_pos(0x40); /設(shè)置顯示位置為第二行第1個(gè)字符 m = 0; while(cdis4m != '0') lcd_wdat(cdis4m); /顯示字符 m+; for(m=0;m<2;m+) lcd_pos(0x0c+m); /顯示方向符號(hào) lcd_wdat(0x3e); /*/*/*數(shù)據(jù)轉(zhuǎn)換子程序/*/*/void data_conv() da

10、ta_temP1=data_temp/10; /高位 if(data_temP1=0) data_temP1=0x20; /高位為0不顯示 else data_temP1=data_temP1+0x30; data_temp2=data_temp%10; /低位 data_temp2=data_temp2+0x30; /*/*/*數(shù)據(jù)顯示子程序/*/*/void data_dis() data_temp = snum; /顯示圈數(shù) data_conv(); lcd_pos(0x44); lcd_wdat(data_temP1); lcd_pos(0x45); lcd_wdat(data_tem

11、p2); data_temp = rate; /顯示速率 data_conv(); lcd_pos(0x4d); lcd_wdat(data_temP1); lcd_pos(0x4e); lcd_wdat(data_temp2);/*/*/* 顯示運(yùn)行方向符號(hào)/*/*/void motor_DR() if(direction=1) /正轉(zhuǎn)方向標(biāo)志 for(m=0;m<2;m+) lcd_pos(0x0c+m); /顯示方向符號(hào) lcd_wdat(0x3e); else for(m=0;m<2;m+) /反轉(zhuǎn)方向標(biāo)志 lcd_pos(0x0c+m); /顯示方向符號(hào) lcd_wdat

12、(0x3c); /*/*/* 顯示運(yùn)行狀態(tài)/*/*/void motor_RUN() if(on_off=1) TR0=1; lcd_pos(0); /設(shè)置顯示位置為第一行的第1個(gè)字符 m = 0; while(cdis5m != '0') lcd_wdat(cdis5m); /RUNNING m+; motor_DR(); / else TR0=0; P1 =0x0f; lcd_pos(0); /設(shè)置顯示位置為第一行的第1個(gè)字符 m = 0; while(cdis3m != '0') lcd_wdat(cdis3m); /STOP m+; motor_DR()

13、; / snum=snum1; / number1=0; /清圈數(shù)計(jì)數(shù)器 /* * 主程序 * */main() LCD_init_DIS(); TMOD = 0x01; /T0定時(shí)方式1 TL0 = 0x33; TH0 = 0xf5; EA = 1; ET0 = 1; P1 = 0x0f; while(1) if(K1=0) beep(); while(K1=0); /等待鍵釋放 on_off=on_off; motor_RUN(); /K1 end/*/ if(K2=0) beep(); if(snum_dr=1) snum+; snum1=snum; if(snum=0x14) snum

14、_dr=snum_dr; else snum-; snum1=snum; if(snum=0x01) snum_dr=snum_dr; /K2 end/*/ if(K3=0) beep(); direction=direction; motor_DR(); /K3 end/*/ if(K4=0) beep(); if(rate_dr=1) rate+; if(rate=0x10) rate_dr=rate_dr; else rate-; if(rate=0x01) rate_dr=rate_dr; /K4 end /*/ if(number1=snum1) /與設(shè)定圈數(shù)是否相等 number1=0; on_off=0; TR0=0; snum=snum1; P1=0x0f; motor_RUN(); data_dis(); / while(1) end /main end/*/*/* 定時(shí)器 0 中斷 /*/*/void motor_onoff() interrupt 1 TL0 = 0x33; TH0 = 0xf5; q+; if(q <