Các chương trình lập trình Keil C cơ bản phục vụ cho thực tập vi xử lý 1. Hiệu ứng 8 Led đơn #include <REGX51.H> char mangTraiPhai[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; char mangGiuaRa[]={0xe7,0xdb,0xbd,0x7e}; char mangSangDanRaVao[]={0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7}; char mangSangTatBonLed[]={0xee,0xcc,0x88,0x00,0x11,0x33,0x77,0xff}; char mangNhayDuoiXuoi[]={0xfe,0xfc,0xf8,0xf0,0xe0,0xc1,0x83,0x07,0x0f,0x1f,0x3f,0x7f,0xff}; char mangDuoiXuoi2[]={0x11,0x22,0x44,0x88}; char mangZicZac[]={0x55,0xaa,0xcc,0x33}; char mangDonQuaPhai[]={0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00}; //============================ void delay(int time){ while(time ); } //============================================== void traiPhai(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=0;j<8;j++){ P2=mangTraiPhai[j]; delay(10000); } } } //============================================================ void phaiTrai(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=7;j>=0;j ){ P2=mangTraiPhai[j]; delay(10000); } } } //========================================================== void ngoaiVao(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=3;j>=0;j ){ P2=mangGiuaRa[j]; delay(10000); } } } //========================================================== void giuaRa(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=0;j<4;j++){ P2=mangGiuaRa[j]; delay(10000); } } } //========================================================== void sangDonQuaPhai(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=0;j<9;j++){ P2=mangDonQuaPhai[j]; delay(10000); } for(j=8;j>=0;j ){ P2=mangDonQuaPhai[j]; delay(10000); } } } //========================================================== void sangDanRaVao(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=0;j<8;j++){ P2=mangSangDanRaVao[j]; delay(10000); } } } //========================================================== void sangBonLed(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=0;j<8;j++){ P2=mangSangTatBonLed[j]; delay(10000); } } } //========================================================== void tatBonLed(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=7;j>=0;j ){ P2=mangSangTatBonLed[j]; delay(10000); } } } //========================================================== void nhayLed(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ P2=0x00; delay(10000); P2=0xff; delay(10000); } } //========================================================== void nhayDuoiXuoi(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=0;j<13;j++){ P2=mangNhayDuoiXuoi[j]; delay(10000); } } } //========================================================= void nhayDuoiNguoc(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=12;j>=0;j ){ P2=mangNhayDuoiXuoi[j]; delay(10000); } } } //========================================================== void nhayZicZac(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ P2=0x55; delay(20000); P2=0xaa; delay(20000); } } //========================================================== void nhayZicZac2(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ P2=0x33; delay(20000); P2=0xcc; delay(20000); } } //========================================================== void nhayDuoiXuoi2(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=0;j<4;j++){ P2=mangDuoiXuoi2[j]; delay(15000); } } } //========================================================== void nhayDuoiNguoc2(unsigned char soLan){ unsigned char i; for(i=0;i<soLan;i++){ int j; for(j=3;j>=0;j ){ P2=mangDuoiXuoi2[j]; delay(15000); } } } //========================================================= void main(){ while(1){ nhayLed(10);delay(10000); traiPhai(3);delay(10000); phaiTrai(3);delay(10000); giuaRa(3);delay(10000); ngoaiVao(3);delay(10000); sangDanRaVao(3);delay(10000); sangDonQuaPhai(3);delay(10000); sangBonLed(3);delay(10000); tatBonLed(3);delay(10000); nhayDuoiNguoc(3);delay(10000); nhayDuoiXuoi(3);delay(10000); nhayZicZac(8);delay(10000); nhayZicZac2(6);delay(10000); nhayDuoiXuoi2(10);delay(10000); nhayDuoiNguoc2(10);delay(10000); } } 2. Nháy 1 led đơn #include <REGX51.H> void delay(int time) { while(time ); } void main(){ while(1){ P2_0=0; //bat led delay(1000); P2_0=1; //tat led delay(1000); } } 3. Đếm 00 đến 99 #include <REGX51.H> #define led1 P1_0 #define led2 P1_1 #define sang 0 #define tat 1 char so[]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10}; char i; int dem; unsigned char chuc; donVi; void delay(int time) { while(time ); } void main(){ led1 = led2 = tat; while(1){ for (dem = 0; dem <100; dem++){ // tach chu so chuc = dem/10; donVi = dem%10; for(i=0;i<=40;i++){ // lam cham bang cach thay doi i<=10,20, cang tang cang cham lai led1 = sang; P0 = so[chuc]; delay(1000); // co the lam cham lai khi tang tre len led1 = tat; led2 = sang; P0 = so[donVi]; delay(1000); // co the lam cham lai khi tang tre len led2 = tat; } } } } 4. Đếm n Led 7 thanh #include <REGX51.H> char so[]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10}; char maQuet[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0x7e}; char i; unsigned char chuSo[8]; unsigned long dem, temp; //=============================== void delay(int time) { while(time ); } //=============================== void tachChuSo(unsigned long temp, int soLed){ for(i=0;i<soLed;i++){ chuSo[i]=temp%10; temp=temp/10; } } //=============================== void quetLed(int soLed){ int i,j; for(i=0;i<25;i++){ // toc do nhay so for(j=0;j<soLed;j++){ P2=maQuet[j]; P0=so[chuSo[j]]; delay(1200); // toc do nhay so P2=0xff; [...]... nhayDuoiNguoc(5); nhayDuoiXuoi(5); nhayZicZac(10); nhayDuoiXuoi2(10); nhayDuoiNguoc2(10); nhayZicZac2(10); nhayHaiCongMot(1); nhayLed(10); hinhTraiTim(3); } } 9 Nút bấm 8 led đơn #include int dem; char mangTraiPhai[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; char mangGiuaRa[]={0xe7,0xdb,0xbd,0x7e}; char mangSangDanRaVao[]={0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7}; char mangSangTatBonLed[]={0xee,0xcc,0x88,0x00,0x11,0x33,0x77,0xff};... Led trái tim #include char hieuUngSangNguoc[]={0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F}; char mangTraiPhai[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; char mangGiuaRa[]={0xe7,0xdb,0xbd,0x7e}; char mangSangDanRaVao[]={0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7}; char mangSangTatBonLed[]={0xee,0xcc,0x88,0x00,0x11,0x33,0x77,0xff}; char mangNhayDuoiXuoi[]={0xfe,0xfc,0xf8,0xf0,0xe0,0xc1,0x83,0x07,0x0f,0x1f,0x3f,0x7f,0xff... mangSangDanRaVao[]={0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7}; char mangSangTatBonLed[]={0xee,0xcc,0x88,0x00,0x11,0x33,0x77,0xff}; char mangNhayDuoiXuoi[]={0xfe,0xfc,0xf8,0xf0,0xe0,0xc1,0x83,0x07,0x0f,0x1f,0x3f,0x7f,0xff }; char mangDuoiXuoi2[]={0x11,0x22,0x44,0x88}; char mangZicZac[]={0x55,0xaa,0xcc,0x33}; char mangDonQuaPhai[]={0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00}; //============================================================... duoc bam minute++; if(minute>59) minute=0; } down0=down1; down1=down; if((down0==1)&&(down1==0)){ // neu nut down duoc bam minute ; if(minute==-1) minute=59; } break; } case 3: // chinh phut { up0=up1; up1=up; if((up0==1)&&(up1==0)){ // neu nut up duoc bam second++; if(second>59) second=0; } down0=down1; down1=down; if((down0==1)&&(down1==0)){ // neu nut down duoc bam second ; if(second==-1) second=59;... mangNhayDuoiXuoi[]={0xfe,0xfc,0xf8,0xf0,0xe0,0xc1,0x83,0x07,0x0f,0x1f,0x3f,0x7f,0xff }; char mangDuoiXuoi2[]={0x11,0x22,0x44,0x88}; char mangZicZac[]={0x55,0xaa,0xcc,0x33}; char mangDonQuaPhai[]={0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00}; //============================ void delay(int time){ while(time ); } void hinhTraiTim(unsigned char soLan){ unsigned char i; for(i=0;i . C c chương trình lập trình Keil C cơ bản ph c vụ cho th c tập vi xử lý 1. Hiệu ứng 8 Led đơn #include <REGX51.H> char mangTraiPhai[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; char. dem++){ // tach chu so chuc = dem/10; donVi = dem%10; for(i=0;i<=40;i++){ // lam cham bang cach thay doi i<=10,20, cang tang cang cham lai led1 = sang; P0 = so[chuc]; delay(1000); // co the. mangNhayDuoiXuoi[]={0xfe,0xfc,0xf8,0xf0,0xe0,0xc1,0x83,0x07,0x0f,0x1f,0x3f,0x7f,0xff}; char mangDuoiXuoi2[]={0x11,0x22,0x44,0x88}; char mangZicZac[]={0x55,0xaa,0xcc,0x33}; char mangDonQuaPhai[]={0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00}; //============================ void