ARM課程設(shè)計——步進電機鍵盤控制可調(diào)速

1、步進電機（鍵盤控制可調(diào)速）#in elude <reg51.h>#defi ne uchar un sig ned charstatic un sig ned int count;計數(shù)static int stepndex;步進索引數(shù)，值為 0 7static bit turn; 步進電機轉(zhuǎn)動方向static bit stop_flag;/步進電機停止標志static int speedlevel; /步進電機轉(zhuǎn)速參數(shù)，數(shù)值越大速度越大，最小值為1，速度最慢static int spcou nt;/步進電機轉(zhuǎn)速參數(shù)計數(shù)void ddelay(void); 鍵盤掃描延時函數(shù)void

2、delay(unsigned int endcount);延時函數(shù)，延時為 endcount*1 毫秒void goru n();步進電機控制步進函數(shù)sbit P10=P2A0 ;電機端口定義sbit P1 仁 P2A1 ;sbit P12=P2A2;sbit P13=P2A3 ;/*鍵消抖延時函數(shù)*/void ddelay(void)uchar i;for (i=300;i>0;i-);/*鍵掃描函數(shù)*/uchar keysca n(v oid)uchar sca ncode;uchar tmpcode;P1 = 0xf8;/發(fā)全0行掃描碼if (P1 &0 xf8)!=0xf

3、8)/ 若有鍵按下ddelay(); /延時去抖動if (P1 &0 xf8)!=0xf8) / 延時后再判斷一次，去除抖動影響sca ncode = 0xfe;while(sca ncode&0 x08)!=0) /逐行掃描P1 = sea ncode; / 輸出行掃描碼if (P1 &0xf8)!=0xf8) / 本行有鍵按下tmpcode = (P1 &0 xf8)|0x07;return(sca ncode)+(tmpcode); /返回特征字節(jié)碼，為1的位即對應(yīng)于行和列else scan code = (sca ncode<<1)|0x01

4、; /行掃描碼左移一位return(0); /無鍵按下，返回值為0void ma in (void)uchar key;count = 0;step_i ndex = 0;spco unt = 0;P10 = 0;P11 = 0;P12 = 0;P13 = 0;EA = 1;允許CPU中斷TMOD = 0x11; /設(shè)定時器0和1為16位模式1ET0 = 1;定時器0中斷允許TH0 = 0xFc;TL0 = 0x18;設(shè)定時每隔1ms中斷一次TR0 = 1;/開始計數(shù)stop_flag = 0;turn=0;speedlevel = 20;while(1)key = keysca n();sw

5、itch(key)case 0x09:按鍵#， 正轉(zhuǎn)以 speedlevel = 1 的速度轉(zhuǎn) 1000*0.5MS=0.5Sstop_flag=0;turn = 0;speedlevel =10;goru n();delay(IOOO);break;case 0x0c:/按鍵*,停止 2000*0.5MS=0.5Sstop_flag=1;break;case 0x0a:/按鍵 0,反轉(zhuǎn)以 speedlevel = 1 的速度轉(zhuǎn) 1000*0.5MS=0.5Sstop_flag=0;turn=1;speedlevel =10;goru n();delay(1000);break;case 0x

6、11:按鍵 9, 以-speedlevel 的加速轉(zhuǎn) 1000*0.5MS=0.5Sstop_flag=0;if (speedlevel=1) speedlevel=1;else -speedlevel;goru n();delay(1000);break;case 0x12: / 按鍵 8, 以 +speedlevel 的減速轉(zhuǎn) 1000*0.5MS=0.5S stop_flag=0;+speedlevel;goru n();delay(1000);break;/定時器0中斷處理void timeint(void) interrupt 1TH0=0xFc;TL0=0x18; /設(shè)定時每隔1m

7、s中斷一次coun t+;SPEEDLEVEL越大，延時越長（延時約為spco un t-;if(spcou nt<=0)/ 速度調(diào)整,1MS*SPEEDLEVEL ),/頻率越小，速度越慢spco unt = speedlevel;goru n(); 延時函數(shù)，延時為endcount*0.5毫秒void delay (un sig ned int en dco un t)/coun t=0;dowhile(co un t<e ndcoun t);void gorun()if (stop_flag=1)P10 = 0;P11 = 0;P12 = 0;P13 = 0;return;s

8、witch(step_i ndex) _case 0: 0P10 = 1;P11 = 0;P12 = 0;P13 = 0;break;case 1: 0、1P10 = 1;P11 = 1;P12 = 0;P13 = 0;break;case 2: 1P10 = 0;P11 = 1;P12 = 0;P13 = 0;break;case 3: 1、2P10 = 0;P11 = 1;P12 = 1;P13 = 0;break;case 4:2P10 = 0;P11 = 0;P12 = 1;P13 = 0;break;case 5: 2、3P10 = 0;P11 = 0;P12 = 1;P13 = 1

9、; break;case 6: 3P10 = 0;P11 = 0;P12 = 0;P13 = 1;break;case 7: 3、0P10 = 1;P11 = 0;P12 = 0;P13 = 1;if (turn=0)/ 正轉(zhuǎn)step_i ndex+;if (step_i ndex>7) step_i ndex=0; _else反轉(zhuǎn)step_i ndex-;if (stepndex<0) stepndex=7;步進電機（鍵盤控制可調(diào)速加顯示）#in elude <reg51.h>#defi ne uchar un sig ned charstatic un sig ne

10、d int count; 計數(shù)static int step_index;步進索引數(shù)，值為 0 7static bit turn; 步進電機轉(zhuǎn)動方向static bit stop_flag;/步進電機停止標志static int speedlevel; /步進電機轉(zhuǎn)速參數(shù)，數(shù)值越大速度越大，最小值為1，速度最慢static int spcou nt;/步進電機轉(zhuǎn)速參數(shù)計數(shù)void ddelay(void); 鍵盤掃描延時函數(shù)void delay(unsigned int endcount);延時函數(shù)，延時為 endcount*1 毫秒void goru n();步進電機控制步進函數(shù)void D

11、elay400Ms(void);void LCMI ni t(void); LCM 初始化void WriteCommandLCM(unsigned char WCLCM,BuysC); /BuysC 為 0 時忽略忙檢測void Display On eChar(uchar X, uchar Y, uchar DData);void DisplayListChar(uchar X, uchar Y,uchar ListLe ngth, uchar *DData,ucharn);sbit P10=P3A0 ;電機端口定義sbit P1 仁 P3A1 ;sbit P12=P3A2;sbit P1

12、3=P3A3 ;ucharcodespeed= 0x3a,0x39,0x38,0x37,0x36,0x35,0x34,0x33,0x32,0x31,0x30;uchar code stop = "stop"uchar code go = "go:"uchar code back = "back:"uchar code max = "max:8"/*鍵消抖延時函數(shù)*/void ddelay(void)uchar i;for (i=300;i>0;i-);/*鍵掃描函數(shù)*/uchar keysca n(v oid

13、)uchar sca ncode;uchar tmpcode;P1 = 0xf8;/發(fā)全0行掃描碼if (P1 &0 xf8)!=0xf8) / 若有鍵按下ddelay(); /延時去抖動if (P1 &0 xf8)!=0xf8) / 延時后再判斷一次，去除抖動影響sca ncode = 0xfe;while(sca ncode&0 x08)!=0) / 逐行掃描P1 = sca ncode; / 輸出行掃描碼if (P1 &0xf8)!=0xf8) / 本行有鍵按下tmpcode = (P1 &0 xf8)|0x07;return(sca ncode)

14、+(tmpcode); /返回特征字節(jié)碼，為1的位即對應(yīng)于行和列else scan code = (sca ncode<<1)|0x01; /行掃描碼左移一位return(0); /無鍵按下，返回值為0void ma in (void)uchar key;count = 0;step_i ndex = 0;spco unt = 0;P10 = 0；P11 = 0；P12 = 0;P13 = 0;EA = 1;允許CPU中斷TMOD = 0x11; /設(shè)定時器0和1為16位模式1ET0 = 1;定時器0中斷允許TH0 = OxFc;TL0 = 0x18;設(shè)定時每隔1ms中斷一次TR0

15、 = 1;/開始計數(shù)P0=0XFF;P3 &=OXEF; 573 片選LCMInit(); /LCM 初始化Delay400Ms();stop_flag = 0;turn=0;speedlevel = 5;DisplayListChar(0,0,3,go,1); / 每次掃描鍵盤顯示更新一次 uchar code go DisplayOneChar(0,1,0x35); /每次掃描鍵盤顯示更新一次while(1)key = keysca n();switch(key)case 0x09:按鍵#， 正轉(zhuǎn)以 speedlevel = 1 的速度轉(zhuǎn) 1000*0.5MS=0.5Sstop_f

16、lag=0;turn = 0;speedlevel =5;goru n();WriteCommandLCM(0x01,1); 顯示清屏，DisplayListChar(0,0,3,go,0); / 每次掃描鍵盤顯示更新一次 uchar code goDisplayOneChar(0,1,0x35); /每次掃描鍵盤顯示更新一次 delay(1000);break;case 0x0c:/按鍵*，停止 2000*0.5MS=0.5Sstop_flag=1;WriteCommandLCM(0x01,1); 顯示清屏，DisplayListChar(0,0,4,stop,0); /每次掃描鍵盤顯示更新

17、一次 break;case OxOa:/按鍵 0,反轉(zhuǎn)以 speedlevel = 1 的速度轉(zhuǎn) 1000*0.5MS=0.5Sstop_flag=0;turn=1;speedlevel =5;goru n();WriteCommandLCM(0x01,1); 顯示清屏，DisplayListChar(0,0,5,back,0); /每次掃描鍵盤顯示更新一次DisplayOneChar(0,1,0x35); /每次掃描鍵盤顯示更新一次 delay(1000);break;case 0x11:按鍵 9, 以-speedlevel 的加速轉(zhuǎn) 1000*0.5MS=0.5Sstop_flag=0;i

18、f (speedlevel=2) speedlevel=2;else speedlevel-;goru n();if(speedlevel=2) DisplayListChar(0,1,5,max,0);else DisplayO neChar(0,1, speedspeedlevel); /每次掃描鍵盤顯示更新一次delay(1000);break;case 0x12: / 按鍵 8， 以 +speedlevel 的減速轉(zhuǎn) 1000*0.5MS=0.5S stop_flag=0;speedlevel+;goru n();WriteCommandLCM(0x01,1); 顯示清屏，if(tur

19、n=0)DisplayListChar(0,0,3,go,0); / 每次掃描鍵盤顯示更新一次 uchar code go Display On eChar(0,1, speedspeedlevel); /每次掃描鍵盤顯示更新一次else DisplayListChar(0,0,5,back,0); / 每次掃描鍵盤顯示更新一次Display On eChar(0,1,speedspeedlevel); / 每次掃描鍵盤顯示更新一次 delay(1000);break;/定時器0中斷處理void timeint(void) interrupt 1 THO=OxFc;TL0=0x18; /設(shè)定時

20、每隔1ms中斷一次coun t+;spco un t-;if(spcou nt<=0) /速度調(diào)整，SPEEDLEVEL 越大，延時越長(延時約為1MS*SPEEDLEVEL ),/頻率越小，速度越慢spco unt = speedlevel;goru n();void delay(unsigned int endcount) 延時函數(shù)，延時為 endcount*0.5 毫秒coun t=0;dowhile(co un t<e ndcoun t);void gorun()if (stop_flag=1)P10 = 0;P11 = 0;P12 = 0;P13 = 0;return;s

21、witch(step_i ndex)case 0: 0P10 = 1;P11 = 0;P12 = 0;P13 = 0;break;case 1: 0、1P10 = 1;P11 = 1;P12 = 0;P13 = 0;break;case 2: 1P10 = 0;P11 = 1;P12 = 0;P13 = 0;break;case 3: 1、2P10 = 0;P11 = 1;P12 = 1;P13 = 0; break;case 4:2P10 = 0;P11 = 0;P12 = 1;P13 = 0;break;case 5: 2、3P10 = 0;P11 = 0;P12 = 1;P13 = 1;

22、break;case 6: 3P10 = 0;P11 = 0;P12 = 0;P13 = 1;break;case 7: 3、0P10 = 1;P11 = 0;P12 = 0;P13 = 1;if (turn=0)/ 正轉(zhuǎn)step_i ndex+; if (step_i ndex>7) step_i ndex=0;else反轉(zhuǎn)stepndex-;if (step_i ndex<0)step_i ndex=7; _步進電機（自動循環(huán)調(diào)速）#in elude <reg51.h> sbit P00=P2A0 ; sbit P01=P2A1 ； sbit P02=P2A2; s

23、bit P03=P2A3 ;static un sig ned int count;計數(shù)static int step_index;步進索引數(shù)，值為 0 7static bit turn;步進電機轉(zhuǎn)動方向static bit stop_flag;/步進電機停止標志static int speedlevel; /步進電機轉(zhuǎn)速參數(shù)，數(shù)值越大速度越快，最小值為1，速度最慢static int spcou nt;/步進電機轉(zhuǎn)速參數(shù)計數(shù)void delay(unsigned int endcount);延時函數(shù)，延時為 endcount*0.5 毫秒void goru n();步進電機控制步進函數(shù)voi

24、d ma in (void)count = 0;step_i ndex = 0;spco unt = 0;stop_flag = 0;P00 = 0;P01 = 0;P02 = 0;P03 = 0;EA = 1;允許CPU中斷TMOD = 0x11; /設(shè)定時器0和1為16位模式1ET0 = 1;定時器0中斷允許TH0 = 0xFE;17TL0 = 0x0C;TR0 = 1;/設(shè)定時每隔0.5ms中斷一次/開始計數(shù)turn = 0;dospeedlevel =4;delay(10000);/以 speedlevel = 4 的速度轉(zhuǎn) 2000*0.5MS=1Sspeedlevel =4;delay(10000);/以 speedlevel = 4 的速度轉(zhuǎn) 2000*0.5MS=1Sstop_flag=1;delay(6000); 停止，2000*0.5MS=3Sstop_flag=0;whil