51单片机步进电机正反转调速1602显示8页

1、51单片机步进电机正反转调速1602显示 - C51源代码#include /51芯片管脚定义头文件#include /内部包含延时函数 _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=0xf9,0xf8,0xfc,0xf4,0xf6,0xf2,0xf3,0xf1;sbit K1

2、 = P32; /运行与停止sbit K2 = P33; /设定圈数sbit K3 = P34; /方向转换sbit K4 = P35; /速率调整sbit BEEP = P36; /蜂鸣器sbit LCD_RS = P20; sbit LCD_RW = P21;sbit LCD_EN = P22;bit on_off=0; /运行与停止标志bit direction=1; /方向标志bit rate_dr=1; /速率标志bit snum_dr=1; /圈数标志uchar code cdis1 = STEPPING MOTOR ;uchar code cdis2 = CONTROL PROC

3、ESS;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; /预设定圈数uchar rate=2; /预设定速率uchar data_temp,data_temP1,data_temp2; /*/* /* 延时t毫秒 /* 11.0592MHz时钟，延时约1ms /* /*/void delay(uint t) uchar k; while(t-) f

4、or(k=0; k125; k+) /*/void delayB(uchar x) /x*0.14MS uchar i; while(x-) for (i=0; i13; i+) /*/void beep() uchar j; for (j=0;j100;j+) delayB(4); BEEP=!BEEP; /BEEP取反 BEEP=1; /关闭蜂鸣器 delay(170); /*/* /*检查LCD忙状态 /*lcd_busy为1时，忙，等待。为0时,闲，可写指令与数据。 /* /*/ bit lcd_busy() bit result; LCD_RS = 0; LCD_RW = 1; LC

5、D_EN = 1; delayNOP(); result = (bit)(P0&0x80); LCD_EN = 0; return(result); /*/* /*写指令数据到LCD /*RS=L，RW=L，E=高脉冲，D0-D7=指令码。 /* /*/void lcd_wcmd(uchar cmd) while(lcd_busy(); LCD_RS = 0; LCD_RW = 0; LCD_EN = 0; _nop_(); _nop_(); P0 = cmd; delayNOP(); LCD_EN = 1; delayNOP(); LCD_EN = 0; /*/* /*写显示数据到LCD /

6、*RS=H，RW=L，E=高脉冲，D0-D7=数据。 /* /*/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; /*/* /* LCD初始化设定 /* /*/void lcd_init() delay(30); lcd_wcmd(0x38); /16*2显示，5*7点阵，8位数据 delay(5); lcd_wcmd(0x38); delay(5); lcd_wcmd(

7、0x38); delay(5); lcd_wcmd(0x0c); /显示开，关光标 delay(5); lcd_wcmd(0x06); /移动光标 delay(5); lcd_wcmd(0x01); /清除LCD的显示内容 delay(5);/*/* /* 设定显示位置 /* /*/void lcd_pos(uchar pos) lcd_wcmd(pos | 0x80); /数据指针=80+地址变量/*/* /* LCD1602初始显示子程序 /* /*/void LCD_init_DIS() delay(10); /延时 lcd_init(); /初始化LCD lcd_pos(0); /设置

8、显示位置为第一行的第1个字符 m = 0; while(cdis1m != 0) /显示字符 lcd_wdat(cdis1m); m+; lcd_pos(0x40); /设置显示位置为第二行第1个字符 m = 0; while(cdis2m != 0) lcd_wdat(cdis2m); /显示字符 m+; delay(3000); /延时 lcd_pos(0); /设置显示位置为第一行的第1个字符 m = 0; while(cdis3m != 0) /显示字符 lcd_wdat(cdis3m); m+; lcd_pos(0x40); /设置显示位置为第二行第1个字符 m = 0; while

9、(cdis4m != 0) lcd_wdat(cdis4m); /显示字符 m+; for(m=0;m2;m+) lcd_pos(0x0c+m); /显示方向符号 lcd_wdat(0x3e); /*/*/*数据转换子程序/*/*/void data_conv() data_temP1=data_temp/10; /高位 if(data_temP1=0) data_temP1=0x20; /高位为0不显示 else data_temP1=data_temP1+0x30; data_temp2=data_temp%10; /低位 data_temp2=data_temp2+0x30; /*/*/

10、*数据显示子程序/*/*/void data_dis() data_temp = snum; /显示圈数 data_conv(); lcd_pos(0x44); lcd_wdat(data_temP1); lcd_pos(0x45); lcd_wdat(data_temp2); data_temp = rate; /显示速率 data_conv(); lcd_pos(0x4d); lcd_wdat(data_temP1); lcd_pos(0x4e); lcd_wdat(data_temp2);/*/*/* 显示运行方向符号/*/*/void motor_DR() if(direction=1

11、) /正转方向标志 for(m=0;m2;m+) lcd_pos(0x0c+m); /显示方向符号 lcd_wdat(0x3e); else for(m=0;m2;m+) /反转方向标志 lcd_pos(0x0c+m); /显示方向符号 lcd_wdat(0x3c); /*/*/* 显示运行状态/*/*/void motor_RUN() if(on_off=1) TR0=1; lcd_pos(0); /设置显示位置为第一行的第1个字符 m = 0; while(cdis5m != 0) lcd_wdat(cdis5m); /RUNNING m+; motor_DR(); / else TR0=

12、0; P1 =0x0f; lcd_pos(0); /设置显示位置为第一行的第1个字符 m = 0; while(cdis3m != 0) lcd_wdat(cdis3m); /STOP m+; motor_DR(); / snum=snum1; / number1=0; /清圈数计数器 /* * 主程序 * */main() LCD_init_DIS(); TMOD = 0x01; /T0定时方式1 TL0 = 0x33; TH0 = 0xf5; EA = 1; ET0 = 1; P1 = 0x0f; while(1) if(K1=0) beep(); while(K1=0); /等待键释放

13、on_off=on_off; motor_RUN(); /K1 end/*/ if(K2=0) beep(); if(snum_dr=1) snum+; snum1=snum; if(snum=0x14) snum_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) /与设定圈数是否相等 number1=0; on_off=0; TR0=0; snum=snum1; P1=0x0f; motor_RUN(); data_dis(); / while(1) end /main end/*/*/* 定时器 0 中断 /*/*/void motor_onoff() interrupt 1 TL0 = 0x33; TH0 = 0xf5; q+;