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Thiết kế giao tiếp máy tính với KIT 8085, chương 7

Chia sẻ: Nguyen Van Dau | Ngày: | Loại File: PDF | Số trang:81

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Nội dung Text: Thiết kế giao tiếp máy tính với KIT 8085, chương 7

  1. LUAÂÄN VAÊN TOÁT NGHIEÄP 1 Chương 7: Chöông trình nhaän döõ lieäu ôû Kit thöïc taäp vi xöû lyù 8085. ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++;Chuong trinh nhan du lieu tu may tinh goi xuong Thiet bi thuc tap ;vi xu li 8085. ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++ Org 2500h MVI A,99h ;khoi tao 8255, Mode 0: PortA nhap du lieu, PortB xuat OUT RegCNT ;trang thai, PortC nhan lenh dieu khien. MVI A,80h ;bao cho may tinh biet thiet bi dang ban. OUT PortB MVI C,00h ;reset bien dem dia chi. CALL READY ;xuat chu "READY" ra hien thi tren 5 LED 7 doan. WaitGO: CALL KEYBRD ;doi nhan phim. CPI KeyGO ;chuong trinh chi thuc hien tiep khi nhan dung JNZ WaitGO ;phim "GO". CALL SENDING ;nhan dung phim "GO" se xuat hien "SENDING" tren 8 LED. MVI A,00h ;bao cho may tinh biet thiet bi da san sang tiep ;nhan OUT PortB ;du lieu. CkSTB1:IN PortC ;doc lenh dieu khien STROBE tai PortC. ANI 01h CPI 01h JNZ CkSTB1 ;neu STROBE # 1 thi doi tiep. MVI A,80h ;bao BUSY\ = 0, ACK = 0.
  2. LUAÂÄN VAÊN TOÁT NGHIEÄP 2 OUT PortB IN PortA ;doc du lieu vao. MOV B,A ;tam cat du lieu vao thanh ghi B. MVI A,0C0h ;bao ACK = 1. OUT PortB ChkAF1: IN PortC ;doc lenh dieu khien AF. ANI 02h CPI 02h JNZ ChkAF1 ;neu AF # 1 thi doi tiep. MOV A,B ;hoan tra B lai cho A. ANI 0F0h ;che nibble thap va reset bit ERROR = 0. OUT PortB ;xuat nibble cao va bao ERROR = 0. ChkAF0: IN PortC ;doc lenh dieu khien AF. ANI 02h CPI 00h JNZ ChkAF0 ;neu AF # 0 thi doi tiep. MOV A,B ;hoan tra B lai cho A. RLC ;dich 4 bit thap thanh 4 bit cao tuong ung. RLC RLC RLC ANI 0F0h ;che nua byte thap thap. ORI 08h ;set bit ERROR = 1. OUT PortB ;xuat nibble thap va bao ERROR = 1. ChkSTB0:IN PortC ;doc lenh dieu khien STROBE. ANI 01h CPI 00h JNZ ChkSTB0 ;neu STROBE # 0 thi doi tiep. IN PortA ;doc du lieu. CPI 0FFh ;FFh la ma bao du lieu dung. JZ NoChk CALL PROCESS NoChk: MVI A,40h ;bao BUSY\ = 1. OUT PortB
  3. LUAÂÄN VAÊN TOÁT NGHIEÄP 3 JMP ChkSTB1 ;chuan bi nhan byte ke tiep. ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++ ;Chuong trinh con hien thi "READY" tren nam LED 7 doan. ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++ READY: PUSH PSW MVI A,10h ;khoi tao 8279: hien thi 8 ki tu,loi vao phai, STA CntI79 ;quet ban phim co lap ma, khoa ngoai 2 phim. MVI A,3Eh ;lap trinh xung Clock = 100 KHz. STA CntI79 MVI A,0C3h ;xoa hien thi va xoa FIFO. STA CntI79 MVI A,01h ;tri hoan 0.1 ms > 160 us. CALL DELAY MVI A,90h ;bat dau ghi vao tai LED dau tien ben phai, co STA CntI79 ;tang dia chi tu dong. MVI A,31h ;cho hien thi "R". STA DataI79 MVI A,79h ;cho hien thi "E". STA DataI79 MVI A,77h ;cho hien thi "A". STA DataI79 MVI A,5Eh ;cho hien thi "D". STA DataI79 MVI A,6Eh ;cho hien thi "Y". STA DataI79 POP PSW RET ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++;Chuong trinh con hien thi "SENDING" tren bay LED 7 doan. ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++ SENDING:POP PSW
  4. LUAÂÄN VAÊN TOÁT NGHIEÄP 4 MVI A,10h ;khoi tao 8279: hien thi 8 ki tu,loi vao phai, STA CntI79 ;quet ban phim co lap ma, khoa ngoai 2 phim. MVI A,3Eh ;lap trinh xung Clock = 100 KHz. STA CntI79 MVI A,0C3h ;xoa hien thi va xoa FIFO. STA CntI79 MVI A,01h ;tri hoan 0.1 ms > 160 us. CALL DELAY MVI A,90h ;bat dau ghi vao tai LED dau tien ben phai, co STA CntI79 ;tang dia chi tu dong. MVI A,6Dh ;cho hien thi "S". STA DataI79 MVI A,79h ;cho hien thi "E". STA DataI79 MVI A,37h ;cho hien thi "N". STA DataI79 MVI A,5Eh ;cho hien thi "D". STA DataI79 MVI A,06h ;cho hien thi "I". STA DataI79 MVI A,37h ;cho hien thi "N". STA DataI79 MVI A,6Fh ;cho hien thi "G". STA DataI79 POP PSW RET ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++;Chuong trinh con xu li du lieu: Chuong trinh nay se nhan dia chi bat ;dau va dia chi cham dut cua vung du lieu, cac ma may cua chuong trinh ;tren may tinh do xuong se duoc dat trong pham vi vung nay.
  5. LUAÂÄN VAÊN TOÁT NGHIEÄP 5 ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++ PROCESS:MOV A,C ;kiem tra xem co phai day la byte thu nhat ;khong ? CPI 00h JNZ A1 MOV H,B ;neu dung thi cat byte thu nhat vao thanh ghi H. INR C ;tang bien dem byte dia chi len 1 don vi. RET A1: MOV A,C ;kiem tra xem co phai day la byte thu hai khong ? CPI 01h JNZ A2 MOV L,B ;neu dung thi cat byte thu hai vao thanh ghi L. INR C ;tang bien dem byte dia chi len 1 don vi. RET A2: MOV A,C ;kiem tra xem co phai day la byte thu ba khong ? CPI 02h JNZ A3 MOV D,B ;neu dung thi cat byte thu ba vao thanh ghi D. INR C ;tang bien dem byte dia chi len 1 don vi. RET A3: MOV A,C ;kiem tra xem day co phai la byte thu tu khong ? CPI 03h JNZ A4 MOV E,B ;neu dung thi cat byte thu tu vao thanh ghi E. INR C ;tang bien dem byte dia chi len 1 don vi. RET
  6. LUAÂÄN VAÊN TOÁT NGHIEÄP 6 A4: MOV M,B ;ke tu byte thu nam tro di se duoc cat vao o nho co INX H ;dia chi do cap thanh ghi HL quan li. MOV A,D CPI H RNZ MOV A,E CMP L RNZ ;thoat neu HL tro den dia chi cham dut nam trong DE. CALL END ;cho hien thi "END." tren ba LED 7 doan. MVI A,40h ;bao BUSY\ = 1. OUT PortB HLT ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++;Chuong trinh con hien thi "END." tren ba LED 7 doan. ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++ END: PUSH PSW MVI A,10h ;khoi tao 8279: hien thi 8 ki tu,loi vao phai, STA CntI79 ;quet ban phim co lap ma, khoa ngoai 2 phim. MVI A,3Eh ;lap trinh xung Clock = 100 KHz. STA CntI79 MVI A,0C3h ;xoa hien thi va xoa FIFO. STA CntI79 MVI A,01h ;tri hoan 0.1 ms > 160 us. CALL DELAY MVI A,90h ;bat dau ghi vao tai LED dau tien ben phai, co STA CntI79 ;tang dia chi tu dong. MVI A,79h ;cho hien thi "E". STA DataI79 MVI A,54h ;cho hien thi "N". STA DataI79
  7. LUAÂÄN VAÊN TOÁT NGHIEÄP 7 MVI A,0DEh ;cho hien thi "D.". STA DataI79 POP PSW RET ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++;Hai chuong trinh con sau day da co san trong thiet bi thuc tap Vi xu ;li 8085 ;nen nguoi thuc hien de tai nay thay khong can thiet phai viet lai va ;trinh bay ;ra. Do la 2 chuong trinh: ;KeyKRB : Chuong trinh con quet ban phim. Ma cua phim an duoc cat ;trong thanh ; ghi A. ;DELAY : Chuong trinh con tri hoan theo thoi hang 0.1 ms. He so tri ;hoan duoc ; nap vao thanh ghi A. ;+++++++++++++++++++++++++++++++++++++++++++ +++++++++++++++++++++++++++++++++++ ;########################################### ##########################;Khai bao cac nhan duoc su dung. ;########################################### ########################## RegCNT equ 03h PortA equ 00h PortB equ 01h PortC equ 02h CntI79 equ 0A001h DataI79 equ 0A000h KEYBRD equ 0216h DELAY equ 0310h KeyGO equ 17h ;+++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++ End
  8. LUAÂÄN VAÊN TOÁT NGHIEÄP 8 B.Module Demo.cpp #include #include #include #include #include #include #include #include #include #include #include #include "screen.h" #include "mouse.h" #include "button.hpp" #include "textbox.hpp" #include "list.hpp" #include "disklist.hpp" #include "send.hpp" #define NumBox 2 #define NumBut 2 LPEVENT lpEvent; //bien chua cac bien co chuot char szMessage[128]; BUTTON But[NumBut],NutKiem; TEXTBOX Box[NumBox],Port; char DiskName[27],DName; char ftype[15]="*.prn"; char inter_Path[100]=""; char RequF[100]; unsigned int St_address,End_address=0; char Sta_hex[5],End_hex[5]; //------------------------------------------ ---------------
  9. LUAÂÄN VAÊN TOÁT NGHIEÄP 9 int TestPressedButton(int x,LPEVENT lpEvent); int TestPressTexbox(int x,LPEVENT lpEvent,char layra[],unsigned *attribp); void MainProgram(); int TestPressList(LIST L,LPEVENT lpEvent,char s[],unsigned *attrib,char *typ);//nhap bang liet ke int SendFile(); //------------------------------------------ --------------- void main(void) { InitGraphics(); InitValues("Download Program."); InitScreen(); if (!InitMouse(&MainWindow.rViewPort)) { OutMessage("Mouse driver not found. Init mouse and return"); getch(); closegraph(); exit(1); } ShowMouse(); MainProgram(); closegraph(); } //------------------------------------------ --------------- void MainProgram() { char Name[20],buffer[MAXPATH]; unsigned attrib,Attribp; SEND Send; LIST L;
  10. LUAÂÄN VAÊN TOÁT NGHIEÄP 10 But[0].InitButton(200,380,250,400,LIGHTGRAY, "Send"); But[1].InitButton(400,380,450,400,LIGHTGRAY, "Exit"); Box[0].InitTextBox(50,70,477,90,GREEN,LIGHTG REEN,"Open File"); Port.InitTextBox(50,270,250,290,GREEN,LIGHTG REEN,"Out port"); Port.GetS_in("LPT1"); L.InitList(480,70,500,90,LIGHTGRAY); But[0].OutButton();//xuat nut lenh But[1].OutButton();//xuat nut lenh Box[0].OutTextBox();//xuat hop nhap text Port.OutTextBox(); L.Show(); setcolor(BLACK); line(50,150,250,150); line(50,150,50,215); setcolor(WHITE); line(50,215,250,215); line(250,150,250,215); outtextxy(50,130,"Free memory request"); outtextxy(55,158,"Start ad :"); outtextxy(55,178,"End ad :"); outtextxy(55,198,"Total :"); OutMessage("Click mouse to chose action"); int kkkk; char RequestFile[15]=""; do//kiem tra nhap chuot chon cong viec {
  11. LUAÂÄN VAÊN TOÁT NGHIEÄP 11 ShowMouse(); lpEvent = GetEvent();//lay bien co chuot if(TestPressedButton(2,lpEvent)==0)//kiem tra xem da click vao nut nao //0:nhan OK { char InName[100],OutName[100]; Box[0].GetS(InName); if(InName[strlen(InName)-1]=='\\') InName[strlen(InName)-1]='\0'; _dos_getfileattr(InName,&attrib); if(attrib==16) { OutMessage(""); OutError("Please enter a file name"); OutMessage("Click mouse to chose action"); } else//la file { if(End_address!=0) { if(OutError("Are you sure ?")) { OutMessage("Sending... Press Esc to stop if time is over."); Send.CatFile(Sta_hex,End_hex,inter_Path); Send.Out(); HideMouse(); if(Send.Out()!=-1) { HideMouse(); OutMessage(""); OutError("Task is complete.");
  12. LUAÂÄN VAÊN TOÁT NGHIEÄP 12 OutMessage("Click mouse to choose action"); } else { HideMouse(); OutMessage("Click mouse to choose action"); } } } } }//if(TestPressedButton if(TestPressList(L,lpEvent,Name,&attrib,ftyp e)==1) //chon OK { switch (attrib) { case 16:chdir(Name); getcwd(buffer, MAXPATH);//lay duong dan hien thoi vao buffer strcpy(inter_Path,buffer); Box[0].GetS_in(inter_Path); Box[0].OutTextBox(); break; default: getcwd(buffer, MAXPATH);//lay duong dan hien thoi vao buffer strcpy(inter_Path,buffer); if(inter_Path[strlen(inter_Path)-1]!='\\') strcat(inter_Path,"\\"); strcat(inter_Path,Name); Box[0].GetS_in(inter_Path); Box[0].DuongDan(inter_Path); Box[0].OutTextBox(); break;
  13. LUAÂÄN VAÊN TOÁT NGHIEÄP 13 }//end switch }//if(TestPressList( //chon Cancel TestPressTexbox(NumBox,lpEvent,inter_Path,&A ttribp);//Path lay ra duong dan cho file nhap vao //ShowMouse(); if(kbhit()) { kkkk=getch(); if(kkkk==0)kkkk=getch(); } Box[0].GetS(RequF); { int n=strlen(RequF); if(n>5)//?.??? if(RequF[n-1]!='\\') { while(n>0&&RequF[n-1]!='\\') { n--; } char *strtemp=RequF; for(int m=0;m
  14. LUAÂÄN VAÊN TOÁT NGHIEÄP 14 { fprintf(stderr, "Cannot open input file.\n"); return ; } else//neu mo duoc file { clock_t start, end; int period=0; char c,address[7],buf[8]; int thoat; int dem; char KyTu_Hex[]={'0','1','2','3','4','5','6','7', '8','9','A','B','C','D','E','F','a','b','c', 'd','e','f'}; int Gtri_Dec[]={0,1,2,3,4,5,6,7,8,9,10,11,12,13, 14,15,10,11,12,13,14,15}; double Value1=0,Value2=0; char Total[10]; int FindPos,FindValue; start = clock(); do { fread(&c,1,1,f); end = clock(); }while(c!='\''&&(period=(end - start) / CLK_TCK)=2) goto Error; fseek(f,-5,SEEK_CUR); fread(address,10,1,f); address[4]='\0'; strcpy(Sta_hex,address);
  15. LUAÂÄN VAÊN TOÁT NGHIEÄP 15 HideMouse(); strcat(address," Hex"); outtextxy(170,158,address); for (FindPos=3;FindPos>=0;FindPos--) for(FindValue=0;FindValue
  16. LUAÂÄN VAÊN TOÁT NGHIEÄP 16 if(period>=15) goto Error; fseek(f,-1,SEEK_CUR); start = clock(); do { dem=0; do { fread(&c,1,1,f); if(c=='\n') fseek(f,-3,SEEK_CUR); else fseek(f,-2,SEEK_CUR); end = clock(); }while(c!='\''&&(period=(end - start) / CLK_TCK)=10) goto Error; do { dem++; fread(&c,1,1,f); if(c=='\n') dem=20; fseek(f,-2,SEEK_CUR); end = clock(); }while(dem
  17. LUAÂÄN VAÊN TOÁT NGHIEÄP 17 }while(c!='\''&&(period=(end - start) / CLK_TCK)=10) goto Error; fseek(f,-5,SEEK_CUR); fread(buf,4,1,f); buf[4]='\0'; HideMouse(); strcpy(End_hex,buf); strcat(buf," Hex"); outtextxy(170,178,buf); for (FindPos=3;FindPos>=0;FindPos--) for(FindValue=0;FindValue
  18. LUAÂÄN VAÊN TOÁT NGHIEÄP 18 ShowMouse(); } fcloseall(); } } else { OutMessage(""); } } } } if(kkkk==27) { HideMouse(); if(!OutError("Do you want to quit ?")) kkkk=0; ShowMouse(); } }while(kkkk!=27); } //------------------------------------------ --------------- int TestPressedButton(int x,LPEVENT lpEvent)//kiem tra cac nut { if(lpEvent->Msg==1) { for(int i=0;i=lpEvent- >Posx&&But[i].Bottom()>=lpEvent->Posy) { HideMouse(); But[i].PressButton(); delay(100); But[i].OutButton(); if(i==1)
  19. LUAÂÄN VAÊN TOÁT NGHIEÄP 19 { if(OutError("Do you want to quit ?")==0) return -1; closegraph(); exit(1); } ShowMouse(); return i; } } return -1; } //------------------------------------------ --------------- int TestPressTexbox(int x,LPEVENT lpEvent,char layra[],unsigned *attribp) { *attribp=0; if(lpEvent->Msg==1) { for(int i=0;i=lpEvent- >Posx&&Box[i].Bottom()>=lpEvent->Posy) { HideMouse();//giau chuot de khong bi vet lem mau o vi tri chuot char LastName[100]; Box[i].GetS(LastName); OutMessage("Enter a file name. Press Enter to finish, Esc to ignore."); Box[i].Path();//lay Path vao bien S cua TEXTBOX Box[i].OutTextBox(); Box[i].GetS(layra);//lay ra text da nhap vao
  20. LUAÂÄN VAÊN TOÁT NGHIEÄP 20 //tao chuan cho chuoi Path if(layra[strlen(layra)-1]=='>')//gat bo dau \> sau thu muc nhung van giu lai doi voi o dia if(layra[strlen(layra)-2]=='\\') if(layra[strlen(layra)- 3]==':')//dang a:\> layra[strlen(layra)- 1]='\0';//ra a:\ else //dang a:\fname\> layra[strlen(layra)- 2]='\0';//ra dang a:\fname else layra[strlen(layra)-1]='\0';//bo dau > if(layra[strlen(layra)- 1]=='\\')//gat bo dau \ sau thu muc nhung van giu lai doi voi o dia if(layra[strlen(layra)- 2]!=':')//dang a:\fname\ layra[strlen(layra)-1]='\0'; if(layra[strlen(layra)-1]==':') if(strlen(layra)==2)//dang a: strcat(layra,"\\");//ra a:\ int NotExist=_dos_getfileattr(layra, attribp); int m=strlen(layra)-1; while(layra[m]!='\\')//dem so ky tu thuoc ve phan Path m--; for(int n=0;n='a'&&layra[n]
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