给大家分享下步进电机,用ULN2003A驱动,可控制正反转,加速和减速
仿真原理图如下(proteus仿真工程文件可到本帖附件中下载)全部资料下载地址:
单片机源程序如下:
- #include "reg52.h"
- #include<lcd1602.h>
- #include "delay.h"
- #include "motor4B.h"
- sbit K1 = P3^2;//加速
- sbit K2 = P3^3;//减速
- sbit K3 = P3^4;//正传
- sbit K4 = P3^5;//反转
- sbit K5 = P3^6;//启动
- sbit K6 = P3^7;//停止
- void main( )
- {
- bit fangxiang = 1;//0是逆时针
- bit kaiqi = 0;//0是停止
- int sudu = 4;//每次步进间隔时间为 1ms * sudu,也就是最快每秒25转
- char str_buff[] = { "00.00" };
- int speed = 0;
- init_lcd();
- lcd( 0, 0, "LCD_INIT" );
- delay( 100 );
- lcd( 0, 0, " " );
- Init_Motor();
- Set_Motor(kaiqi, fangxiang, sudu);
- lcd( 1, 0, " reversal " );
- lcd( 0, 0, "Speed: " );
- lcd( 0, 12, "r/s" );
- speed = 1000 / ( 1.0 * 8.0 * sudu ) * 1000;
- str_buff[0] = speed / 10000 % 10 + '0';
- str_buff[1] = speed / 1000 % 10 + '0';
- str_buff[3] = speed / 100 % 10 + '0';
- str_buff[4] = speed % 10 + '0';
- lcd( 0, 6, str_buff );
- while(1)
- {
- //////////////////////////////////////////////////////////////////////加速
- if( K1 == 0 )
- {
- delay( 50 );
- if( K1 == 0 )
- {
- sudu--;
- if( sudu <= 3 )
- {
- sudu = 4;
- }
- speed = 1000 / ( 1.0 * 8.0 * sudu ) * 1000;
- str_buff[0] = speed / 10000 % 10 + '0';
- str_buff[1] = speed / 1000 % 10 + '0';
- str_buff[3] = speed / 100 % 10 + '0';
- str_buff[4] = speed % 10 + '0';
- lcd( 0, 6, str_buff );
- Set_Motor(kaiqi, fangxiang, sudu);
- // while( K1 == 0 );
- }
- }
- //////////////////////////////////////////////////////////////////////减速
- if( K2 == 0 )
- {
- delay( 50 );
- if( K2 == 0 )
- {
- sudu++;
- if( sudu >= 60000 )
- {
- sudu = 60000;
- }
- speed = 1000 / ( 1.0 * 8.0 * sudu ) * 1000;
- str_buff[0] = speed / 10000 % 10 + '0';
- str_buff[1] = speed / 1000 % 10 + '0';
- str_buff[3] = speed / 100 % 10 + '0';
- str_buff[4] = speed % 10 + '0';
- lcd( 0, 6, str_buff );
- Set_Motor(kaiqi, fangxiang, sudu);
- // while( K1 == 0 );
- }
- }
- //////////////////////////////////////////////////////////////////////正
- if( K3 == 0 )
- {
- delay( 50 );
- if( K3 == 0 )
- {
- fangxiang = 1;
- lcd( 1, 0, "Forward rotation" );
- Set_Motor(kaiqi, fangxiang, sudu);
- while( K3 == 0 );
- }
- }
- //////////////////////////////////////////////////////////////////////反
- if( K4 == 0 )
- {
- delay( 50 );
- if( K4 == 0 )
- {
- fangxiang = 0;
- lcd( 1, 0, " reversal " );
- Set_Motor(kaiqi, fangxiang, sudu);
- while( K4 == 0 );
- }
- }
- //////////////////////////////////////////////////////////////////////启
- if( K5 == 0 )
- {
- delay( 50 );
- if( K5 == 0 )
- {
- kaiqi = 1;
- Set_Motor(kaiqi, fangxiang, sudu);
- while( K6 == 0 );
- }
- }
- //////////////////////////////////////////////////////////////////////停
- if( K6 == 0 )
- {
- delay( 50 );
- if( K6 == 0 )
- {
- kaiqi = 0;
- Set_Motor(kaiqi, fangxiang, sudu);
- while( K6 == 0 );
- }
- }
- }
- }
复制代码
所有资料51hei提供下载(Proteus仿真程序):
电机.rar
(180.8 KB, 下载次数: 203)
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