完整版)PROTEUS仿真100實(shí)例

1、單片機(jī)C語言程序設(shè)計(jì)實(shí)訓(xùn)100例-基于8051和PROTEUS仿真701/*/單片機(jī)C語言程序設(shè)計(jì)實(shí)訓(xùn)100例一基于8051+Proteus仿真案例第01篇基礎(chǔ)程序設(shè)計(jì)閃爍的LED名稱：閃爍的LED說明：LED按設(shè)定的時(shí)間間隔閃爍#in clude#define uchar un sig ned char#define uint un sig ned int sbit LED=P1A0;/延時(shí)void DelayMS(ui nt x)uchar i;while(x-)for(i=0;i120;i+);II主程序void mai n()RSTPBEJALE EkP1.0P1.1PI 2P1.3P

2、I .4PI.5 PI &PI .7iPD.nfADD PD l/AD IPO沖3 IPO 4/ 斗 PO WADS P0 6/06 FQi卿Fi.DeP2.1M9 F22W D P3 3JA11 P2,4JA12 P2.-5W13PUM14P2JJA15P3J0fRMDp.3 i.mp I 3.3JihrTP3.4JHP3.fliT1 PJ帥西 P3.7JFDkTB9C6l02/*while(1)LED=LED;DelayMS(150);從左到右的流水燈名稱：從左到右的流水燈說明：接在P0 口的8個(gè)LED 從左到右循環(huán)依次點(diǎn)亮， 產(chǎn)生走 馬燈效果*1#in clude#in clude#de

3、fine uchar un sig ned char#define uint un sig ned intJTLii xiI I*-U14ILwTALiR0耳?kz泅：甩也P2 4JAI1P- rJ*1 1P2i.NP7 jjarPI Qpi npi ;料甜噸pi旳3何1PI 4Pi SMW Mi4lP1 KIPI TM TfiTrwr：.i/延時(shí)void DelayMS(ui nt x)uchar i;while(x-)for(i=0;i120;i+);/主程序void mai n()P0=0xfe;while(1)P0=_crol_(P0,1); P0的值向左循環(huán)移動(dòng)DelayMS(150

4、);038只LED左右來回點(diǎn)亮/* 名稱：8只LED左右來回點(diǎn)亮說明：程序利用循環(huán)移位函數(shù)crol和cror形成來回滾動(dòng)的效果 */PDPQlJADlPOZMZPQiWC旳泅塔裁頁說穌憐 FJ&AImI 旳皿壽PI fPI 1H rmt-PI IPiJJlllPI 3PI 4PI 5PiSJTIlPI I町腫pi r=丄亠7#in clude#in clude#define uchar un sig ned char#define uint un sig ned int/延時(shí)void DelayMS(ui nt x)uchar 1;while(x-)for(i=0;i120;i+);/主程序v

5、oid mai n()uchar i;P2=0x01;while(1)for(i=0;i7;i+)P2=_crol_(P2,1); P2的值向左循環(huán)移動(dòng)DelayMS(150);for(i=0;i7;i+)P2=_cror_(P2,1); P2的值向右循環(huán)移動(dòng)DelayMS(150);04花樣流水燈/* 名稱：花樣流水燈說明：16只LED分兩組 按預(yù)設(shè)的多種花樣變換顯示*/#in clude#define uchar un sig ned char#define uint un sig ned int uchar code Patter n_P0= isPOU-Ifl 陽丨兩| P01*D2P

6、D1AD3 昨曲血ro r -AurPH.TiDP3*llP陽定ILsiA0xfc,0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xe7,0xdb,0xbd,0x7e,0xbd,0xdb,0xe7,0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7,0xff,0xaa,0x55,0x18,0xff,0xf0,0x0f,0x00,0xff,0xf8,0xf1,0xe3,0xc7,0x8f,0x1f,0x3f,0x7f,0x7f,0x3f,0x1f,0x8f,0xc

7、7,0xe3,0xf1,0xf8,0xff,0x00,0x00,0xff,0xff,0x0f,0xf0,0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0

8、0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff;uchar code Patter n_P2=0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,0xff,0xe7,0xdb,0xbd,0x7e,0xbd,0xdb,0xe7,0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7,0xff,

9、0xaa,0x55,0x18,0xff,0xf0,0x0f,0x00,0xff,0xf8,0xf1,0xe3,0xc7,0x8f,0x1f,0x3f,0x7f,0x7f,0x3f,0x1f,0x8f,0xc7,0xe3,0xf1,0xf8,0xff,0x00,0x00,0xff,0xff,0x0f,0xf0,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,0xff,0xff,0xff,0xff,

10、0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00,0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff;/延時(shí)void DelayMS(ui nt x)uchar i;while(x-) for(i=0;i120;i+);/主程序void mai n()uchar

11、 i;P0禾口 P2 口顯示while(1)從數(shù)組中讀取數(shù)據(jù)送至for(i=0;i136;i+)P0=Pattern_P0i;P2=Pattern_P2i; DelayMS(100);05 LED模擬交通燈/* 名稱：LED模擬交通燈 說明：東西向綠燈亮若干秒，黃 燈閃爍5次后紅燈亮，紅燈亮后，南北向由紅燈變?yōu)榫G燈，若干秒后南北 向黃燈閃爍5此后變紅燈，東西向變 綠燈，如此重復(fù)。*/#in cludeHKTWJrsrD 1 -1- + -r.- 6 TK；輛巧討FIEW州#define uchar unsigned char#define uint un sig ned int sbit RE

12、D_A=P0A0;東西向燈sbit YELLOW_A=P0A1;sbit GREEN_A=P0A2;sbit RED_B=P0A3;南北向燈sbit YELLOW_B=P0A4;sbit GREEN_B=P0A5;uchar Flash Count=0,Operation Type=1; 閃爍次數(shù)，操作類型變量/延時(shí)void DelayMS(uint x)uchar i;while(x-) for(i=0;i120;i+); /交通燈切換void Traffic_Light()switch(Operation_Type)case 1:/東西向綠燈與南北向紅燈亮RED_A=1;YELLOW_A=

13、1;GREEN_A=0;RED_B=0;YELLOW_B=1;GREEN_B=1;DelayMS(2000);Operation_Type=2;break;case 2:/東西向黃燈閃爍，綠燈關(guān)閉DelayMS(300);YELLOW_A=YELLOW_A;GREEN_A=1; if(+Flash_Count!=10) return; / 閃爍 5 次 Flash_Count=0;Operation_Type=3;break;case 3:/東西向紅燈，南北向綠燈亮RED_A=0;YELLOW_A=1;GREEN_A=1;RED_B=1;YELLOW_B=1;GREEN_B=0;DelayMS

14、(2000);Operation_Type=4;break;case 4:/ 南北向黃燈閃爍 5 次DelayMS(300);YELLOW_B=YELLOW_B;GREEN_B=1;if(+Flash_Count!=10) return;Flash_Count=0;/主程序 void main()Operation_Type=1;while(1) Traffic_Light(); 06 單只數(shù)碼管循環(huán)顯示 09/* 名稱：?jiǎn)沃粩?shù)碼管循環(huán)顯示 09說明：主程序中的循環(huán)語句反復(fù)將09的段碼送至P0 口，使數(shù)字09循環(huán)顯示*/#in clude#in clude#define uchar un si

15、g ned char#define uint un sig ned intuchar code DSY_C0DE=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff;/延時(shí)void DelayMS(ui nt x)uchar t;while(x-) for(t=0;t120;t+);/主程序void mai n()uchar i=0;P0=0x00;while(1) /* for(;i11;i+) P0=DSY_CODEi; DelayMS(300);/ 注:另一方案 */1-A呼 cm nnU.B .TOP耐J-.X I02-1-RS

16、TRJ.1AA&T P02W2 IO-I MHTalK 丹 F Lil H-d i%. d a- 1IE L35丄H.RP1RFAPMK-8 -4LE EflP1J1P1.1Pl JP1.4P15PW叩31 竝w衛(wèi)XIE3祉P2 燉$P3.1 HKCF r l 廠-i F35/FL卡蘭蘭蘭_LL玄士亠土P0=DSY_CODEi; i=(i+1)%10;DelayMS(300);078只數(shù)碼管滾動(dòng)顯示單個(gè)數(shù)字/* 名稱：8只數(shù)碼管滾動(dòng)顯示單個(gè)數(shù)字 說明：數(shù)碼管從左到右依次滾動(dòng)顯示07,程序通過每次僅循環(huán)選通一只數(shù)碼Tci4曲SEVEM.SEGZ3Q*/C2#in clude#in clude#d

17、efine uchar unsigned char曲審申F nr jamrow皿PWMJ!鬥訊佃Pl 旳比O 軽WFillpuvncM MJPl J3*riPi 5PI TUt#define uint unsigned intuchar code DSY_C0DE=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90;/延時(shí)void DelayMS(uint x)單片機(jī)C語言程序設(shè)計(jì)實(shí)訓(xùn)100例-基于8051和PROTEUS仿真uchar t;while(x-) for(t=0;t120;t+);/主程序void main()uchar i,wei

18、=0x80;while(1)for(i=0;i8;i+)P2=0xff; / 關(guān)閉顯示 wei=_crol_(wei,1);P0=DSY_CODEi; / 發(fā)送數(shù)字段碼P2=wei;/發(fā)送位碼DelayMS(300);08 8 只數(shù)碼管動(dòng)態(tài)顯示多個(gè)不同字符電路如上圖/* 名稱： 8 只數(shù)碼管動(dòng)態(tài)顯示多個(gè)不同字符 說明：數(shù)碼管動(dòng)態(tài)掃描顯示07。*/#include#include#define uchar unsigned char#define uint unsigned intuchar code DSY_CODE=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf

19、8,0x80,0x90; /延時(shí)void DelayMS(uint x)uchar t;while(x-) for(t=0;t120;t+);/主程序void main()uchar i,wei=0x80;while(1) for(i=0;i8;i+) P2=0xff;P0=DSY_CODEi; / 發(fā)送段碼 wei=_crol_(wei,1);P2=wei;/發(fā)送位碼DelayMS(2);09 8 只數(shù)碼管閃爍顯示數(shù)字串電路如上圖/* 名稱： 8 只數(shù)碼管閃爍顯示數(shù)字串 說明：數(shù)碼管閃爍顯示由 07 構(gòu)成的一串?dāng)?shù)字 本例用動(dòng)態(tài)刷新法顯示一串?dāng)?shù)字，在停止刷新時(shí)所有數(shù)字顯示消失。*/#inclu

20、de#define uchar unsigned char#define uint unsigned int/段碼表uchar code DSY_CODE=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90; /位碼表uchar code DSY_IDX=0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80;/延時(shí)void DelayMS(uint x)uchar t;while(x-) for(t=0;t120;t+);/主程序void main()uchar i,j;while(1) for(i=0;i30;i+)

21、for(j=0;j8;j+)P0=0xff;P0=DSY_CODEj; /發(fā)送段碼P2=DSY_IDXj;/ 發(fā)送位碼DelayMS(2);P2=0x00; /關(guān)閉所有數(shù)碼管并延時(shí) DelayMS(1000);10 8 只數(shù)碼管滾動(dòng)顯示數(shù)字串電路如上圖/* 名稱： 8 只數(shù)碼管滾動(dòng)顯示數(shù)字串說明：數(shù)碼管向左滾動(dòng)顯示3 個(gè)字符構(gòu)成的數(shù)字串*/#include#include#define uchar unsigned char#define uint unsigned int/段碼表uchar code DSY_CODE=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0x

22、f8,0x80,0x90,0xff;/ 下面數(shù)組看作環(huán)形隊(duì)列，顯示從某個(gè)數(shù)開始的8 個(gè)數(shù)( 10 表示黑屏)uchar Num=10,10,10,10,10,10,10,10,2,9,8;/延時(shí)void DelayMS(uint x)uchar t;while(x-) for(t=0;t120;t+);/主程序void main()uchar i,j,k=0,m=0x80;while(1)/ 刷新若干次，保持一段時(shí)間的穩(wěn)定顯示for(i=0;i15;i+)for(j=0;j8;j+) / 發(fā)送段碼，采用環(huán)形取法，從第 k 個(gè)開始取第 j 個(gè)P0=0xff;P0=DSY_CODENum(k+j)

23、%11; m=_crol_(m,1);P2=m;/發(fā)送位碼DelayMS(2);k=(k+1)%11; /環(huán)形隊(duì)列首支針 k 遞增， Num 下標(biāo)范圍 010 ，故對(duì) 11 取余 11 K1-K4 控制 LED 移位/* 名稱： K1-K4 控制 LED 移位說明：按下 K1時(shí)，P0 口 LED上移一位；按下K2時(shí)，P0 口 LED下移一位；按下K3時(shí)，P2 口 LED上移一位；按下K4時(shí)，P2 口 LED下移一位；*/ void Move_LED()#in clude#in clude#define uchar un sig ned char#define uint un sig ned i

24、nt/延時(shí)void DelayMS(ui nt x)uchar i;while(x-) for(i=0;i17if(P1 &0 x10)=0) P0=_cror_(P0,1);K1else if(P1 &0x20)=0) P0=_crol_(P0,1);K2else if(P1 &0x40)=0) P2=_cror_(P2,1);K3else if(P1 &0x80)=0) P2=_crol_(P2,1);K4/主程序void mai n()uchar Recent_Key; / 最近按鍵P0=0xfe;P2=0xfe;P仁 Oxff;Recen t_Key=0xff;while(1)if(R

25、ece nt_Key!=P1)Recen t_Key=P1;/保存最近按鍵Move_LED();DelayMS(10);12 K1-K4按鍵狀態(tài)顯示/* 名稱：K1-K4按鍵狀態(tài)顯示說明：K1、K2按下時(shí)LED點(diǎn)亮，松開時(shí)熄滅，K3、K4按下并釋放時(shí)LED點(diǎn)亮，再次按下并釋放時(shí)熄滅;13*/#in clude#defi ne uchar un sig ned char#defi ne uint un sig ned int sbit LED1=P0A0;sbit LED2=P0A1；sbit LED3=P0A2;sbit LED4=P0A3;sbit K仁 P1A0；sbit K2=P1A1；

26、sbit K3=P1A2;sbit K4=P1A3;/延時(shí)void DelayMS(ui nt x)uchar i;ClIIIC2 - LIIw1C3OF-PT 3P14PI 5rumwLHRDuMH罰兇心Flj 初3K伽06 用軸噴 fei fjworP?沖盯P7-3JMI1R25MI3r-L!叭饑 P-:廠： PH JJTL!P3 3jijnPJ4/OP5.5/Hinpx詢7while(x-) for(i=0;i120;i+);/主程序 void mai n() P0=0xff;P1=0xff;while(1)LED 1=K1;LED2=K2;if(K3=0)while(K3=0); LE

27、D3=LED3;if(K4=0)while(K4=0);LED4=LED4;DelayMS(10);13 K1-K4 分組控制 LEDI* 名稱：K1-K4分組控制LED說明：每次按下 K1時(shí)遞增點(diǎn)亮一只LED，全亮?xí)r再次按下則再次循環(huán)開始，K2按下后點(diǎn)亮上面 4只LED，K3按下后點(diǎn)亮下面 4只LED，K4按下后關(guān)閉所有 LED*I#in clude#define uchar un sig ned char #define uint un sig ned int/延時(shí)void DelayMS(ui nt x)uchar i;while(x-) for(i=0;i120;i+);/主程序voi

28、d mai n()uchar k,t,Key State;P0=0xff;P仁 Oxff;while(1)t=P1;if(t!=0xff)DelayMS(10);if(t!=P1) continue;Clhin- XI:民1匚. XT zL；-As?J、斗sjg.5、sJ 3Za SC31*FI四4諜下毎澆旳140 畑怕 i 2.412 K iF? 715P3.1JT4;k=0;II檢查1所在位置，累加獲取按鍵號(hào)k while(Key_State!=0)k+;Key_State=1;II根據(jù)按鍵號(hào)k進(jìn)行4種處理switch(k)case 1:if(P0=0x00) P0=0xff;P0=1;D

29、elayMS(200); break;單片機(jī)C語言程序設(shè)計(jì)實(shí)訓(xùn)100例-基于8051和PROTEUS仿真case 2:P0=0xf0;break;case 3:P0=0x0f;break;case 4:P0=0xff;14K1-K4控制數(shù)碼管移位顯示/* 名稱：K1-K4控制數(shù)碼管移位顯示說明：按下 K1時(shí)加1計(jì)數(shù)并增加顯示位， 按下K2時(shí)減1計(jì)數(shù)并減少顯示位， 按下K3時(shí)清零。*/#in clude#define uchar un sig ned char#define uint un sig ned intII段碼uchar code DSY_CODE=0xc0,0xf9,0xa4,0xb

30、0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff;II位碼 uchar code DSY_I ndex=0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01;II待顯示到各數(shù)碼管的數(shù)字緩沖（開始僅在0位顯示0，其他黑屏） uchar Display_Buffer=0,10,10,10,10,10,10,10;II延時(shí)void DelayMS(ui nt x) uchar i;while(x-) for(i=0;i120;i+); void Show_Co un t_ON_DSY() uchar i;for(i=0;i8) Key_Cou nts

31、=8;Display_BufferKey_Cou nts-1=Key_Cou nts;break;case 0xfd:if(Key_Cou nts0)Display_Buffer-Key_Cou nts=10;break;case 0xfb:Display_Buffer0=0;for(i=1;i8;i+) Display_Bufferi=10;Key_Cou nts=0;若鍵未釋放則僅刷新顯示，不進(jìn)行鍵掃描while(P1!=0xff) Show_Co unt_O N_DSY();15K1-K4控制數(shù)碼管加減演示/* 名稱：K1-K4控制數(shù)碼管加減演示 說明：按下 K1后加1計(jì)數(shù)，按下 K2

32、后減1計(jì)數(shù)，按下K3后清零。*/#in clude#in clude#define uchar un sig ned char#define uint un sig ned intII段碼uchar code DSY_CODE=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff;II待顯示的3位緩沖uchar Num_Buffer=0,0,0;II按鍵代碼，按鍵計(jì)數(shù)uchar Key_Code,Key_Co un ts=0;II延時(shí)void DelayMS(ui nt x)uchar i;while(x-) for(i=0;i120;i

33、+);/顯示函數(shù)void Show_Counts_ON_DSY()uchar i,j=0x01;Num_Buffer2=Key_Counts/100;Num_Buffer1=Key_Counts/10%10;Num_Buffer0=Key_Counts%10;for(i=0;i3;i+)j=_cror_(j,1);P0=0xff;P0=DSY_CODENum_Bufferi;P2=j;DelayMS(1);/主程序void main()uchar i;P0=0xff;P1=0xff;P2=0x00;Key_Code=0xff;while(1)Show_Counts_ON_DSY();P1=0x

34、ff;Key_Code=P1;/有鍵按下時(shí)，數(shù)碼管刷新顯示30 次，該行代碼同時(shí)起到延時(shí)作用if(Key_Code!=0xff)for(i=0;i30;i+) Show_Counts_ON_DSY();switch(Key_Code)case 0xfe: if(Key_Counts0) Key_Counts-;break;case 0xfb:Key_Counts=0;Key_Code=0xff;29164X4矩陣鍵盤控制條形LED顯示/* 名稱：4X4矩陣鍵盤控 制條形LED顯示說明：運(yùn)行本例時(shí)，按 下的按鍵值越大點(diǎn)亮的LED越多。*/#in clude#in clude#define uch

35、ar un sig ned char#define uint un sig ned int/矩陣鍵盤按鍵特征碼表N1ALJ社tD 11 .4 r.c Bb 1. pl円PIplRplhk.1比1a 燈JL11 j=11-.J呈k.I I .MEh2.lJD 旳 ZUMJ冃*.鼻IR PSSWrs 冃仙IP2 TiAf =.HlIjWPl LirJTir ! J iilTT州朋ft-uuchar code KeyCodeTable=0x11,0x12,0x14,0x18,0x21, 0x22,0x24,0x28,0x41,0x42,0x44,0x48,0x81,0x82,0x84,0x88;/延

36、時(shí) void DelayMS(ui nt x)uchar i;while(x-) for(i=0;i120;i+);鍵盤掃描uchar Keys_Sca n()uchar sCode,kCode,i,k;/低4位置0，放入4行P仁 0xf0;/若高4位出現(xiàn)0，則有鍵按下if(P1 &0xf0)!=0xf0)DelayMS(2);if(P1 &0 xf0)!=0xf0)sCode=0xfe;行掃描碼初值for(k=0;k4;k+)/對(duì)4行分別進(jìn)行掃描P仁 sCode;if(P1 &0xf0)!=0xf0) kCode=P1;for(i=0;i16;i+)查表得到按鍵序號(hào)并返回if(kCode=K

37、eyCodeTablei) return(i);elsesCode=_crol_(sCode,1);return(-1);II主程序void mai n()uchar i,P2_LED,P3_LED;uchar KeyNo=-1;II按鍵序號(hào)，-1表示無按鍵while(1)KeyNo=Keys_Sca n();II掃描鍵盤獲取按鍵序號(hào)if(KeyNo!=-1)P2_LED=0xff;P3_LED=0xff;for(i=0;i=KeyNo;i+)鍵值越大，點(diǎn)亮的if(i=1;elseP2_LED=1;P3=P3_LED; II點(diǎn)亮條形 LEDP2=P2_LED;17數(shù)碼管顯示4X4矩陣鍵盤按鍵號(hào)

38、o N口 PiI* 名稱：數(shù)碼管顯示 4X4矩陣 鍵盤按鍵號(hào)說明：按下任意鍵時(shí)，數(shù)碼 管都會(huì)顯示其鍵的序號(hào)，掃描程 序首先判斷按鍵發(fā)生在哪一列， 然后根據(jù)所發(fā)生的行附加不同的 值，從而得到按鍵的序號(hào)。IbM 刊RO Pl Wl 賊42ssssMtnut*M2PiffleM 1PI m sP1Fl fE卯耳*/ #include#define uchar unsigned char#define uint unsigned int/段碼uchar code DSY_CODE=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90, 0x88,0x83,

39、0xc6,0xa1,0x86,0x8e,0x00;sbit BEEP=P3A7;/ 上次按鍵和當(dāng)前按鍵的序號(hào)，該矩陣中序號(hào)范圍015，16 表示無按鍵uchar Pre_KeyNo=16,KeyNo=16;/延時(shí) void DelayMS(uint x)uchar i;while(x-) for(i=0;i120;i+);/矩陣鍵盤掃描void Keys_Scan()uchar Tmp;P1=0x0f; / 高 4 位置 0，放入 4 行DelayMS(1);Tmp=P1Ax0f；按鍵后0f變成0000XXXX , X中一個(gè)為0, 3個(gè)仍為1,通過異或把 3個(gè)1變?yōu)?,唯 一的 0 變?yōu)?1s

40、witch(Tmp) /判斷按鍵發(fā)生于 03 列的哪一列 case 1: KeyNo=0；break；case 2: KeyNo=1；break；case 4: KeyNo=2；break；case 8: KeyNo=3；break； default:KeyNo=16； / 無鍵按下 P1=0xf0；/低 4位置 0,放入 4 列DelayMS(1)；Tmp=P14A0x0f;按鍵后f0變成XXXX0000，X中有1個(gè)為0，三個(gè)仍為1；高4位轉(zhuǎn)移到低4位并 異或得到改變的值switch(Tmp) /對(duì) 03 行分別附加起始值 0, 4, 8, 12case 1: KeyNo+=0;break;

41、case 2: KeyNo+=4;break;case 4: KeyNo+=8;break;case 8: KeyNo+=12;/蜂鳴器void Beep()uchar i;for(i=0;i100;i+)DelayMS(1);BEEP=BEEP;BEEP=0;II主程序void mai n()P0=0x00;BEEP=0;while(1)P仁 0xf0;if(P1!=0xf0) Keys_Sca n();II 獲取鍵序號(hào)if(Pre_KeyNo!=KeyNo)P0=DSY_CODEKeyNo;Beep();Pre_KeyNo=KeyNo;DelayMS(100);18 開關(guān)控制LEDI*名稱

42、：開關(guān)控制 LED說明：開關(guān)S1和S2分別控 制 LED1 和 LED2。*I#in cludesbit S仁 P1A0;sbit S2=P1A1;sbit LED仁P0A0;sbit LED2=P0A1;II主程序void mai n()while(1)匚1U1匚H：HXT.iL1號(hào)TR1-PD.2AADQre.wra 心腫P0鬥A站FCijrAM.Ki.?rADfP2：1/A-9P2JJAI0P2 -ijai jP2SJA13 咫QAM P2 F活F3DRHDr .g moP3：4TH-P 扌 4/W 卩呂的 円三賑 ps rmram mm mmLED 1=S1;LED2=S2;19繼電器

43、控制照明設(shè)備/* 名稱：繼電器控制照明設(shè)備 說明：按下K1燈點(diǎn)亮，再次按下時(shí)燈熄滅*/#in clude#defi ne uchar un sig ned char#defi ne uint un sig ned intsbit K仁 P1A0;sbit RELAY=P2A4;/延時(shí)& I JH 門r丄XLC2HI-KJCUADO 町T網(wǎng)K和.HAFOJgJADE吩畑wr4LiR5JfwTALE.町也站FZ MIOFZ.tilZPIH im&pi.if-Ai巧后匪3Rll. U Ml 1 PI 2Pll Ji 工曲恥I4 公void DelayMS(uint ms)uchar t;while(ms-)for(t=0;t120;t+);/主程序void mai n()P1=0xff;RELAY=1; while(1) if(K1=0)while(K1=0);RELAY=RELAY;DelayMS(20);匚iiiJ.C2r-1 o XI. LH 也 TAl20數(shù)碼管顯示撥碼開關(guān)編碼臼汕1-12 .2占卜燈期H11MD1XlkLu1RQiipiro期宙Pi 34F P2 電Ml?P： llAlSPi 秫*5EApi 口哪 i R3 i/THtP3iTC爭(zhēng)、詢廠F3.4mi 片池 M *詐p| a叭PiP|.Spi ji眄!；5PI fi.