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步進(jìn)電機(jī)定圈轉(zhuǎn)動,正反轉(zhuǎn),速率內(nèi)部可調(diào)
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單片機(jī)源程序如下:
- /*-----------------------------------------------
- 名稱:步進(jìn)電機(jī)
- 內(nèi)容:本程序用于測試4相步進(jìn)電機(jī)常規(guī)驅(qū)動
- 使用1-2相勵磁
- 1-2相激勵功率增倍,步進(jìn)角度減半,抖動減少
- 順序如下 a-b-c-d
- ------------------------------------------------*/
- #include <reg52.h>
- #include<intrins.h>
- #include<stdio.h>
- #include<string.h>
- sbit RS = P2^4; //定義端口
- sbit RW = P2^5;
- sbit EN = P2^6;
- sbit A1=P1^0; //定義步進(jìn)電機(jī)連接端口
- sbit B1=P1^1;
- sbit C1=P1^2;
- sbit D1=P1^3;
- #define RS_CLR RS=0
- #define RS_SET RS=1
- #define RW_CLR RW=0
- #define RW_SET RW=1
- #define EN_CLR EN=0
- #define EN_SET EN=1
- #define DataPort P0
- #define KeyPort P3
- #define Coil_AB1 {A1=1;B1=1;C1=0;D1=0;}//AB相通電,其他相斷電
- #define Coil_BC1 {A1=0;B1=1;C1=1;D1=0;}//BC相通電,其他相斷電
- #define Coil_CD1 {A1=0;B1=0;C1=1;D1=1;}//CD相通電,其他相斷電
- #define Coil_DA1 {A1=1;B1=0;C1=0;D1=1;}//D相通電,其他相斷電
- #define Coil_A1 {A1=1;B1=0;C1=0;D1=0;}//A相通電,其他相斷電
- #define Coil_B1 {A1=0;B1=1;C1=0;D1=0;}//B相通電,其他相斷電
- #define Coil_C1 {A1=0;B1=0;C1=1;D1=0;}//C相通電,其他相斷電
- #define Coil_D1 {A1=0;B1=0;C1=0;D1=1;}//D相通電,其他相斷電
- #define Coil_OFF {A1=0;B1=0;C1=0;D1=0;}//全部斷電
- unsigned char count;
- unsigned char Speed;//正轉(zhuǎn)速度
- unsigned char Speed1;//反轉(zhuǎn)速度
- bit Flag;
- unsigned char code dofly_code[]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};//轉(zhuǎn)換成液晶顯示的字符
- /*------------------------------------------------
- uS延時函數(shù),含有輸入?yún)?shù) unsigned char t,無返回值
- unsigned char 是定義無符號字符變量,其值的范圍是
- 0~255 這里使用晶振12M,精確延時請使用匯編,大致延時
- 長度如下 T=tx2+5 uS
- ------------------------------------------------*/
- void DelayUs2x(unsigned char t)
- {
- while(--t);
- }
- /*------------------------------------------------
- mS延時函數(shù),含有輸入?yún)?shù) unsigned char t,無返回值
- unsigned char 是定義無符號字符變量,其值的范圍是
- 0~255 這里使用晶振12M,精確延時請使用匯編
- ------------------------------------------------*/
- void DelayMs(unsigned char t)
- {
-
- while(t--)
- {
- //大致延時1mS
- DelayUs2x(245);
- DelayUs2x(245);
- }
- }
- /*------------------------------------------------
- 判忙函數(shù)
- ------------------------------------------------*/
- bit LCD_Check_Busy(void)
- {
- DataPort= 0xFF;
- RS_CLR;
- RW_SET;
- EN_CLR;
- _nop_();
- EN_SET;
- return (bit)(DataPort & 0x80);
- }
- /*------------------------------------------------
- 寫入命令函數(shù)
- ------------------------------------------------*/
- void LCD_Write_Com(unsigned char com)
- {
- // while(LCD_Check_Busy()); //忙則等待
- DelayMs(5);
- RS_CLR;
- RW_CLR;
- EN_SET;
- DataPort=com;
- _nop_();
- EN_CLR;
- }
- /*------------------------------------------------
- 寫入數(shù)據(jù)函數(shù)
- ------------------------------------------------*/
- void LCD_Write_Data(unsigned char Data)
- {
- //while(LCD_Check_Busy()); //忙則等待
- DelayMs(5);
- RS_SET;
- RW_CLR;
- EN_SET;
- DataPort= Data;
- _nop_();
- EN_CLR;
- }
- /*------------------------------------------------
- 清屏函數(shù)
- ------------------------------------------------*/
- void LCD_Clear(void)
- {
- LCD_Write_Com(0x01);
- DelayMs(5);
- }
- /*------------------------------------------------
- 寫入字符串函數(shù)
- ------------------------------------------------*/
- void LCD_Write_String(unsigned char x,unsigned char y,unsigned char *s)
- {
- if (y == 0)
- {
- LCD_Write_Com(0x80 + x);
- }
- else
- {
- LCD_Write_Com(0xC0 + x);
- }
- while (*s)
- {
- LCD_Write_Data( *s);
- s ++;
- }
- }
- /*------------------------------------------------
- 寫入字符函數(shù)
- ------------------------------------------------*/
- void LCD_Write_Char(unsigned char x,unsigned char y,unsigned char Data)
- {
- if (y == 0)
- {
- LCD_Write_Com(0x80 + x);
- }
- else
- {
- LCD_Write_Com(0xC0 + x);
- }
- LCD_Write_Data( Data);
- }
- /*------------------------------------------------
- 初始化函數(shù)
- ------------------------------------------------*/
- void LCD_Init(void)
- {
- LCD_Write_Com(0x38); /*顯示模式設(shè)置*/
- DelayMs(5);
- LCD_Write_Com(0x38);
- DelayMs(5);
- LCD_Write_Com(0x38);
- DelayMs(5);
- LCD_Write_Com(0x38);
- LCD_Write_Com(0x08); /*顯示關(guān)閉*/
- LCD_Write_Com(0x01); /*顯示清屏*/
- LCD_Write_Com(0x06); /*顯示光標(biāo)移動設(shè)置*/
- DelayMs(5);
- LCD_Write_Com(0x0C); /*顯示開及光標(biāo)設(shè)置*/
- }
-
- /*------------------------------------------------
- 按鍵掃描函數(shù),返回掃描鍵值
- ------------------------------------------------*/
- unsigned char KeyScan(void) //鍵盤掃描函數(shù),使用行列反轉(zhuǎn)掃描法
- {
- unsigned char cord_h,cord_l;//行列值中間變量
- KeyPort=0x0f; //行線輸出全為0
- cord_h=KeyPort&0x0f; //讀入列線值
- if(cord_h!=0x0f) //先檢測有無按鍵按下
- {
- DelayMs(10); //去抖
- if((KeyPort&0x0f)!=0x0f)
- {
- cord_h=KeyPort&0x0f; //讀入列線值
- KeyPort=cord_h|0xf0; //輸出當(dāng)前列線值
- cord_l=KeyPort&0xf0; //讀入行線值
- while((KeyPort&0xf0)!=0xf0);//等待松開并輸出
- return(cord_h+cord_l);//鍵盤最后組合碼值
- }
- }return(0xff); //返回該值
- }
- ///*------------------------------------------------
- // 按鍵值處理函數(shù),返回掃鍵值
- // 可以根據(jù)需要改變返回值
- // | 1 | 2 | 3 | A |
- // | 4 | 5 | 6 | B |
- // | 7 | 8 | 9 | C |
- // | * | 0 | # | D |
- //------------------------------------------------*/
- unsigned char KeyPro(void)
- {
- switch(KeyScan())
- {
- case 0x7e:return 10;break;//0 按下相應(yīng)的鍵顯示相對應(yīng)的碼值
- case 0x7d:return 11;break;//1
- case 0x7b:return 12;break;//2
- case 0x77:return 13;break;//3
- case 0xbe:return 3;break;//4
- case 0xbd:return 6;break;//5
- case 0xbb:return 9;break;//6
- case 0xb7:return 14;break;//7
- case 0xde:return 2;break;//8
- case 0xdd:return 5;break;//9
- case 0xdb:return 8;break;//a
- case 0xd7:return 0;break;//b
- case 0xee:return 1;break;//c
- case 0xed:return 4;break;//d
- case 0xeb:return 7;break;//e
- case 0xe7:return 15;break;//f
- default:return 0xff;break;
- }
- }
- /*------------------------------------------------
- 主函數(shù)
- ------------------------------------------------*/
- main()
- {
- unsigned int m=50;//旋轉(zhuǎn)一周時間
- unsigned int k,p,i;
- unsigned char num;
- unsigned char temp[8];
- Speed=2;//正轉(zhuǎn)速度
- Speed1=2;//反轉(zhuǎn)速度
-
-
- LCD_Init();
- LCD_Write_Com(0x0F);//光標(biāo)開,光標(biāo)閃爍開
- LCD_Write_String(0,0,"Press the key ");
- LCD_Write_String(0,1,"*=zheng or #=fan ");
-
- Coil_OFF
- i=0;
- while(1)
- {
-
- Coil_OFF
- num=KeyPro();
-
- while(num!=10)
- {
- Speed++;
- LCD_Clear();
- LCD_print("U= mV");
- sprintf(Speed,"%3f",num);
-
- }
-
- if(num==15)
- {
- DelayMs(10);
- if(num==15)
- {
- // LCD_Write_String(0,1,"Speed= ");
- // sprintf(1,"%1d",1);
- LCD_Clear();
- LCD_Write_String(0,0,"Zheng Zhuan:");
- while(num!=14)
- {
- num=KeyPro();
- if(num!=0xff)//如果掃描是按鍵有效值則進(jìn)行處理
- {
- if((num==10)||(num==11)||(num==12)||(num==13)||(num==14)||(num==15))
- {
- LCD_Write_String(0,1,"ERR,enter * or #");
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- LCD_Write_String(0,1," ");
- i=0;
- break;
- }
-
- if(i==0)
- LCD_Write_String(0,1," ");//清除該行
- if(i<2) //密碼是8位,大于8位時不再輸入按鍵值
- {//num=KeyPro();
- if(num==10)
- Speed++;
- temp[i]=num;
- LCD_Write_Char(i,1,num+'0');
- }
- i++;
- if(i==2)//8位后的按鍵不輸入數(shù)值,相當(dāng)于確認(rèn)按鍵(任意按鍵即可)
- {
- LCD_Write_String(0,1,"waiting");
- i=0; //計數(shù)器復(fù)位
- p=(temp[0]*512/*+temp[1]*100+temp[2]*10+temp[3]*/);/*****************************************************/
- for(k=0;k<p;k++)
- {
-
- Coil_A1
- DelayMs(Speed); //遇到Coil_AB1 用{A1=1;B1=1;C1=0;D1=0;}代替
- //改變這個參數(shù)可以調(diào)整電機(jī)轉(zhuǎn)速 ,
- //數(shù)字越小,轉(zhuǎn)速越大,力矩越小
- Coil_B1
- DelayMs(Speed);
- Coil_C1
- DelayMs(Speed);
- Coil_D1
- DelayMs(Speed);
- }
- p=0;
- LCD_Write_String(0,1," ");
- }
- }
- }
- i=0;
- }
- }
- if(num==14)
- {
- DelayMs(10);
- if(num==14)
- {
- LCD_Clear();
- LCD_Write_String(0,0,"Fan Zhuan:");
- while(num!=15)
- {
- num=KeyPro();
- if(num!=0xff) //如果掃描是按鍵有效值則進(jìn)行處理
- {
- if((num==10)||(num==11)||(num==12)||(num==13)||(num==15)||(num==14))
- {
- LCD_Write_String(0,1,"ERR,enter * or #");
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- DelayMs(4000);
- LCD_Write_String(0,1," ");
- i=0;
- break;
- }
- if(i==0) //輸入是第一個字符的時候需要把改行清空,方便觀看密碼
- LCD_Write_String(0,1," ");//清除該行
- if(i<2) //密碼是8位,大于8位時不再輸入按鍵值
- {
- temp[i]=num;
- LCD_Write_Char(i,1,num+'0');
- }
- i++;
- if(i==2)//8位后的按鍵不輸入數(shù)值,相當(dāng)于確認(rèn)按鍵(任意按鍵即可)
- {
- LCD_Write_String(0,1,"waiting");
- i=0; //計數(shù)器復(fù)位
- p=(temp[0]*512/*+temp[1]*10+temp[2]*/);/*****************************************************************/
- for(k=0;k<p;k++)
- {
- Coil_A1
- DelayMs(Speed1); //遇到Coil_AB1 用{A1=1;B1=1;C1=0;D1=0;}代替
- //改變這個參數(shù)可以調(diào)整電機(jī)轉(zhuǎn)速 ,
- //數(shù)字越小,轉(zhuǎn)速越大,力矩越小
- Coil_D1
- DelayMs(Speed1);
- Coil_C1
- DelayMs(Speed1);
- Coil_B1
- DelayMs(Speed1);
- }
- p=0;
- LCD_Write_String(0,1," ");
- }
- }
- }
- i=0;
- }
- }
- }
- }
復(fù)制代碼
以上51hei提供下載:
步進(jìn)電機(jī)LED顯示按鍵控制轉(zhuǎn)動圈數(shù),速度程序內(nèi)部可調(diào).zip
(36.7 KB, 下載次數(shù): 77)
2020-9-18 15:24 上傳
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