ATM13
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(→Sestava s programátorem PRESTO) |
(→Sestava s programátorem PRESTO) |
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Řádka 54: | Řádka 54: | ||
DB 00001000B ;0x0F 9D | DB 00001000B ;0x0F 9D | ||
END | END | ||
+ | </source> | ||
+ | |||
+ | <source lang="cpp"> | ||
+ | //2 Digit 7-Segment Up Down Counter Project using 8051 Microcontroller | ||
+ | //https://electronicswork.wordpress.com/2012/10/10/2-digit-7-segment-up-down-counter-project-using-8051-microcontroller/ | ||
+ | #include <at89x51.h> | ||
+ | |||
+ | #define h P3_2 //up counter button | ||
+ | #define g P3_3 //down counter button | ||
+ | |||
+ | int m=0; | ||
+ | int n=0; | ||
+ | int a,b; | ||
+ | int arr[10]={0x21,0x7D,0x13,0x19,0x4D,0x89,0x81,0x3D,0x01,0x09}; | ||
+ | |||
+ | void main() | ||
+ | { | ||
+ | P2=0x21; | ||
+ | P0=0x21; | ||
+ | while(1) | ||
+ | { | ||
+ | P3=0xFF; | ||
+ | if(h==0) | ||
+ | { | ||
+ | if(n==99&&m==99) | ||
+ | { | ||
+ | P2=0xFE; | ||
+ | P0=0xFE; | ||
+ | } | ||
+ | else | ||
+ | { | ||
+ | m=m+1; | ||
+ | n=n+1; | ||
+ | a=m/10; | ||
+ | b=n%10; | ||
+ | P2=arr[a]; | ||
+ | P0=arr[b]; | ||
+ | |||
+ | while(h==0); | ||
+ | } | ||
+ | } | ||
+ | |||
+ | if(g==0) | ||
+ | { | ||
+ | if(n==0&&m==0) | ||
+ | { | ||
+ | P2=0x3F; | ||
+ | P0=0x3F; | ||
+ | } | ||
+ | else | ||
+ | { | ||
+ | m=m-1; | ||
+ | n=n-1; | ||
+ | a=m/10; | ||
+ | b=n%10; | ||
+ | P2=arr[a]; | ||
+ | P0=arr[b]; | ||
+ | while(g==0); | ||
+ | } | ||
+ | } | ||
+ | } | ||
+ | } | ||
</source> | </source> |
Aktuální verze z 12. 12. 2017, 16:09
ATM13 - Board
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Sestava s programátorem PRESTO
MOV DPTR,#TAB tens: MOV P0,#00000010B MOV R5,#01H units: MOV R3,#00H next: MOV A,R3 MOVC A,@A+DPTR MOV P0,A ACALL delay INC R3 CJNE R3,#10D,next MOV A,R5 MOVC A,@a+dptr MOV P2,A INC R5 CJNE R5,#11D,again SJMP tens again: SJMP units delay: MOV R2,#06D temp2: MOV R1,#255D temp1: MOV R0,#255D DJNZ R0,$ DJNZ R1,temp1 DJNZ R2,temp2 RET TAB: DB 01000010B ;0x02 0D DB 10011111B ;0x9F 1D DB 00100100B ;0x24 2D DB 00001100B ;0x1C 3D DB 10011000B ;0x98 4D DB 01001000B ;0x48 5D DB 01000000B ;0x40 6D DB 00011110B ;0x1E 7D DB 00000000B ;0x00 8D DB 00001000B ;0x0F 9D END
//2 Digit 7-Segment Up Down Counter Project using 8051 Microcontroller //https://electronicswork.wordpress.com/2012/10/10/2-digit-7-segment-up-down-counter-project-using-8051-microcontroller/ #include <at89x51.h> #define h P3_2 //up counter button #define g P3_3 //down counter button int m=0; int n=0; int a,b; int arr[10]={0x21,0x7D,0x13,0x19,0x4D,0x89,0x81,0x3D,0x01,0x09}; void main() { P2=0x21; P0=0x21; while(1) { P3=0xFF; if(h==0) { if(n==99&&m==99) { P2=0xFE; P0=0xFE; } else { m=m+1; n=n+1; a=m/10; b=n%10; P2=arr[a]; P0=arr[b]; while(h==0); } } if(g==0) { if(n==0&&m==0) { P2=0x3F; P0=0x3F; } else { m=m-1; n=n-1; a=m/10; b=n%10; P2=arr[a]; P0=arr[b]; while(g==0); } } } }