MCU 8051 IDE
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MCU 8051 IDE | |
popis: | Vývoj aplikace pro 8051 v asm nebo C |
vývojář | Martin Ošmera |
aktuální verze | 1.4 (2011) |
OS | Unix-like, Microsoft Windows, freeBSD |
typ softwaru | aplikační |
licence | GNU General Public License |
web | mcu8051ide.sf.net wiki |
Obsah |
Instalace programu
Založení nového projektu
Simulace programu
Example
Write to Port
org 0 ;pseudoinstrukce umistujici program do pameti programu pocitace adresou 000h start: mov A,#01010101b mov P3,A acall delay mov A,#10101010b mov P3,A acall delay sjmp start delay: mov R0,#01h skok1: mov R1,#01h skok2: mov R2,#01h skok: DJNZ R2,skok DJNZ R1,skok2 DJNZ R0,skok1 ret end
Read from Ports
org 0 ;pseudoinstrukce umistujici program do pameti programu pocitace adresou 000h start: mov A,#P1 mov P3,A sjmp start
Runing Light
org 0 ;pseudoinstrukce umistujici program od 00h mov P3,#11111110B ;0. bit na log "0" loop: mov A,P3 rlc A ;posun obsah A přes C doleva mov P3,A acall delay ;zavolá podprogram pro zpoždění 1s sjmp loop ;skočí zpět k rotaci P1 delay: mov R0,#01h ;podprogram zpoždění skok1: mov R1,#01h skok2: mov R2,#01h skok: djnz R2,skok djnz R1,skok2 djnz R0,skok1 ret end
7 segment
ORG 00H ljmp MAIN ORG 0030H MAIN: mov SP,#7H mov R2,#0 ;Set the initial value of R2, 0, R2 to display the value stored in mov R5,#16 START: djnz R5,NEXT mov R5,#16 mov R2,#0 NEXT: mov DPTR,#TAB mov A,R2 movc A,@A+DPTR mov P3,A inc R2 lcall DELAY jmp START DELAY: mov R0,#1 DELAY0: mov R7,#1 DELAY1: mov R6,#1 djnz R6,$ djnz R7,DELAY1 djnz R0,DELAY0 ret TAB: DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H ;0,1,2,3,4,5,6,7,8,9, DB 08H,03H,46H,21H,06H,0EH ;A,B,C,D,E,F END
7 segment - C
#include <reg51.h> #include <at89x51.h> #include <stdio.h> #define DELAYTIME 65000 //Defined delay time constant unsigned int temp1; void delay(unsigned int temp)//Delay process { while(--temp); } void main() { P2=255;//led is off while(1) { P2=0Xc0;//Display 0,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0XF9;//Display 1,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0XA4;//Display 2,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0XB0;//Display 3,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0X99;//Display 4,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0X92;//Display 5,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0X82;//Display 6,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0Xf8;//Display 7,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0X80;//Display 8,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0X90;//Display 9,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0X08;//Display A,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0X03;//Display B,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0X46;//Display C,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0X21;//Display D,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0X06;//Display E,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); P2=0X0E;//Display F,P2 port output of their section of the election code temp1=DELAYTIME; delay(temp1); temp1=DELAYTIME; delay(temp1); } }