MCU 8051 IDE
(Rozdíly mezi verzemi)
(→7 segment - C) |
|||
Řádka 58: | Řádka 58: | ||
=== Read from Ports === | === Read from Ports === | ||
− | [[Soubor:RD2kit_09.jpg|400px]] | + | [[Soubor:RD2kit_09.jpg|400px|right]] |
<source lang="asm"> | <source lang="asm"> | ||
Řádka 71: | Řádka 71: | ||
=== Runing Light === | === Runing Light === | ||
− | [[Soubor:MCU-8051-IDE_03.jpg|400px]] | + | [[Soubor:MCU-8051-IDE_03.jpg|400px|right]] |
<source lang="asm"> | <source lang="asm"> | ||
Řádka 97: | Řádka 97: | ||
=== 7 segment === | === 7 segment === | ||
− | [[Soubor:MCU-8051-IDE_04.jpg|400px]] | + | [[Soubor:MCU-8051-IDE_04.jpg|400px|right]] |
<source lang="asm"> | <source lang="asm"> |
Verze z 10. 6. 2012, 19:41
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
__sfr __at (0xB0) P3; #define DELAYTIME 15 //Defined delay time constant, originally 65000 unsigned int temp1; void delay(unsigned int temp)//Delay process { while(--temp); } void main() { P3=255; //led is off HGFEDCBA = "1" while(1) { P3=0Xc0; //0 HG = "1" OFF temp1=DELAYTIME; delay(temp1); P3=0XF9; //1 BC = "0" = ON temp1=DELAYTIME; delay(temp1); } }
7 segment - C (tab)
#include <at89x51.h> __code unsigned char out[16] = {0xC0,0xF9,0xA4,0xB0, //0,1,2,3 0x99,0x92,0x82,0xF8, //4,5,6,7 0x80,0x90,0x08,0x03, //8.9.A.B 0x46,0x21,0x06,0x0E};//C,D,E,F void main(void) { __data unsigned char i = 0; while (1) // program loop { P3 = out[i++]; if (i==16) i=0; } }