动态数码管循环显示设计(HUBU电信)
实验任务(两个实验)：
1.单只数码管循环显示0-9；
2.8只数码管滚动显示单个数字。
第一题实验电路如下：
此题我写的代码比较笨，同学们可以进行TAB列表操作进行修改，详见下方C语言
本文档仅供学习参考之用，作业请勿抄袭
第一题 汇编代码：
ORG 0000H
LJMP MAIN
ORG 0100H
MAIN:
MOVTMOD,#01H
MOV TL0,#10H
MOVTH0,#00H
SETB TR0
MOV R0,#0FEH
MOV A ,R0
LOOP0: JBCTF0,PTF0 ; 既使用了查询方式计时，也使用了子程序计时 SJMP LOOP0
PTF0: MOV A,#3fH
MOV p0,A
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOVTL0,#10H
MOV TH0,#000H
LOOP1: JBCTF0,PTF1; 循环9次，最后进行一个大循环
SJMP LOOP1
PTF1: MOV A,#06H
MOV p0,A
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOV TL0,#10H
MOV TH0,#000H
LOOP2: JBC
TF0,PTF2
SJMP LOOP2
PTF2: MOV A,#5bH
MOV p0,A
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOVTL0,#10H
MOV TH0,#000H
LOOP3: JBCTF0,PTF3
SJMP LOOP3PTF3:
MOV A,#4fH
MOV p0,A
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOVTL0,#10H
MOV TH0,#000H
LOOP4: JBCTF0,PTF4
SJMP LOOP4PTF4:
MOV A,#66H
MOV p0,A
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOVTL0,#10H
MOV TH0,#000H
LOOP5: JBCTF0,PTF5
SJMP LOOP5
PTF5: MOV A,#6dH
MOV p0,A
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOVTL0,#10H
MOV TH0,#000H
LOOP6: JBCTF0,PTF6
SJMP LOOP6
PTF6: MOV A,#7dH
MOV p0,A
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOVTL0,#10H
MOV TH0,#000H
LOOP7: JBCTF0,PTF7
SJMP LOOP7
PTF7: MOV A,#07H
MOV p0,A
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOVTL0,#10H
MOV TH0,#000H
LOOP8: JBCTF0,PTF8
SJMP LOOP8
PTF8: MOV A,#7fH
MOV p0,A
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOVTL0,#10H
MOV TH0,#000H
LOOP9: JBCTF0,PTF9
SJMP LOOP9
PTF9: MOV A,#6fH
MOV p0,A
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOVTL0,#10H
MOV TH0,#000H
AJMP LOOP0
DELAY: MOV R7,#250
D1: MOV R6,#250
D2: DJNZ R6,D2
DJNZ R7,D1
RET
END
第一题c语言代码：
#include"reg51.h"
void delay (void) {
TMOD=0x01;
TR0=1;
TH0=(65536)/256; //查询方式计时
TL0=(65536)%256;
while (! TF0)
{}
TF0=0;
}
void main(){
int i=0;
int table [10] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f}; //定义数码表while(1){
for(i=0;i<10;i++){
P0 = table[i];
delay();
delay(); //使用延时程序delay();
}
}
}
第二题电路图：
第二题 汇编代码：
ORG 0000H
LJMP MAIN
ORG 0100H
MAIN: MOV TMOD,#01H
MOV TL0,#00H
MOV TH0,#00H
SETB TR0
MOV R0,#0FEH
MOV A ,R0
LOOP0: JBC TF0,PTF0; 既使用了查询方式计时，也使用了子程序计时
SJMP LOOP0
PTF0: MOV A,#0c0H
MOV p0,A
MOV p2,#01H
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOV TL0,#00H
MOV TH0,#00H
LOOP1: JBC TF0,PTF1; 循环9次，最后进行一个大循环 SJMP LOOP1
PTF1: MOV A,#0f9H
MOV p0,A
MOV p2,#02H
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOV TL0,#00H
MOV TH0,#00H
LOOP2: JBC TF0,PTF2
SJMP LOOP2
PTF2: MOV A,#0a4H
MOV p0,A
MOV p2,#04H
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOV TL0,#00H
MOV TH0,#00H
LOOP3: JBC TF0,PTF3
SJMP LOOP3
PTF3: MOV A,#0b0H
MOV p2,#08H
MOV p0,A
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOV TL0,#00H
MOV TH0,#00H
LOOP4: JBC TF0,PTF4
SJMP LOOP4
PTF4: MOV A,#99H
MOV p0,A
MOV p2,#10H
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOV TL0,#00H
MOV TH0,#00H
LOOP5: JBC TF0,PTF5
SJMP LOOP5
PTF5: MOV A,#92H
MOV p0,A
MOV p2,#20H
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOV TL0,#00H
MOV TH0,#00H
LOOP6: JBC TF0,PTF6
SJMP LOOP6
PTF6: MOV A,#82H
MOV p0,A
MOV p2,#40H
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOV TL0,#00H
MOV TH0,#00H
LOOP7: JBC TF0,PTF7
SJMP LOOP7
PTF7: MOV A,#0f8H
MOV p0,A
MOV p2,#80H
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOV TL0,#00H
MOV TH0,#00H
LOOP8: JBC TF0,PTF8
SJMP LOOP8
PTF8: MOV A,#80H
MOV p0,A
MOV p2,#01H
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOV TL0,#00H
MOV TH0,#00H
LOOP9: JBC TF0,PTF9
SJMP LOOP9
PTF9: MOV A,#90H
MOV p0,A
MOV p2,#02H
ACALL DELAY
ACALL DELAY
ACALL DELAY
MOV TL0,#00H
MOV TH0,#00H
AJMP LOOP0
DELAY: MOV R7,#250
D1: MOV R6,#250
D2: DJNZ R6,D2
DJNZ R7,D1
RET
END
第二题C语言代码：
#includevoid delay (void) {
TMOD=0x01;
TR0=1;
TH0=(65536)/256;
TL0=(65536)%256; //查询方式计时
while (! TF0)
{}
TF0=0;
}
void main(){
int i=0;
int j=0x80;
int table [10] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; //定义数码表
int weima[10] = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80}; //定义位码表
while(1){
for(i=0;i<10;i++){
P0 = table[i];
P2 = weima[i];
delay();
delay();
delay(); //延时程序调用，多次调用则会增长延时时间
delay();
delay();
}
}
}
实验结果：
第一题实验结果：
第二题实验结果：
