單片機數(shù)碼管顯示萬年歷日期時間 NTC溫度顯示ADC0832 程序仿真

ID:622274 · 發(fā)表于 2022-12-11 21:14

仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）

花了兩天時間弄出來的，希望能幫到你們

單片機源程序如下:

#include<reg52.h> // 包含51單片機寄存器定義的頭文件;
#include <intrins.h>
#include <math.h>
sbit P20=P2^0;
sbit P21=P2^1;
sbit P22=P2^2;
sbit P23=P2^3;
sbit P24=P2^4;
sbit P25=P2^5;
sbit P26=P2^6;
sbit P27=P2^7;
sbit P30=P3^0;
sbit P31=P3^1;
sbit P32=P3^2;
sbit P33=P3^3;
sbit P34=P3^4;
sbit P35=P3^5;
sbit hoursetting=P1^1;
sbit minsetting=P1^2;
sbit monthsetting=P1^3;
sbit yearsetting=P1^4;
sbit CS = P3^6;//ADC0832 PIN1
sbit Clk = P1^7;//ADC0832 PIN7
sbit DATI = P3^7;//ADC0832 PIN5
sbit DATO = P3^7;//ADC0832 PIN6
unsigned int Tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//共陰數(shù)碼管顯示0～9的段碼表
//unsigned int Tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//共陽數(shù)碼管顯示0～9的段碼表
/*******************************共陰LED段碼表*******************************/
unsigned char code temptab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
/*******************************定義全局變量********************************/
unsigned char dat = 0x00; //AD值
unsigned char count = 0x00; //定時器計數(shù)
unsigned char CH; //通道變量
unsigned char dis[4]; //顯示數(shù)值
unsigned int sum=0;
unsigned int sec_time; //記錄中斷次數(shù)
unsigned char second,min,hour,year,month,day; //儲存秒
//數(shù)組下標就是對應溫度
code unsigned char Temp_adc[]={
196, 194, 191, 189, 186, 184, 181, 179, 176, 173, 170, 168,
165, 162, 159, 157, 154, 151, 148, 145, 142, 139, 136, 132,
129, 126, 123, 117, 114, 113, 112, 110, 109, 106, 104, 101,
99, 96, 94, 91, 89, 87, 84, 82, 80, 78, 76, 74, 71, 70, 68, 66, 64, 62,
60, 59, 57, 55, 54, 52, 51, 49, 48, 47, 45, 44, 43, 41, 40, 39, 38, 37,
36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 27, 26, 25, 24, 24, 23, 22, 22,
21, 21, 20, 20, 19, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 12,
12, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3,
2, 2, 1, 1};
//查找相近值，并返回下標
unsigned char Find_data(unsigned char *a,unsigned char x,unsigned char len)
{
unsigned char i,min,r=0;
min=abs(*a-x);
for(i=0;i<len;i++)
{
if(abs(a[i]-x)<min)
{
min=abs(a[i]-x);
r=i;
}
}
return r;
}
/****************************************************************************
函數(shù)功能:AD轉(zhuǎn)換子程序
入口參數(shù):CH
出口參數(shù):dat
****************************************************************************/
unsigned char adc0832(unsigned char CH)
{
unsigned char i,test,adval;
unsigned char m;
adval = 0x00;
test = 0x00;
Clk = 0; //初始化
DATI = 1;
_nop_();
CS = 0;
_nop_();
Clk = 1;
_nop_();
if ( CH == 0x00 ) //通道選擇
{
Clk = 0;
DATI = 1; //通道0的第一位
_nop_();
Clk = 1;
_nop_();
Clk = 0;
DATI = 0; //通道0的第二位
_nop_();
Clk = 1;
_nop_();
}
else
{
Clk = 0;
DATI = 1; //通道1的第一位
_nop_();
Clk = 1;
_nop_();
Clk = 0;
DATI = 1; //通道1的第二位
_nop_();
Clk = 1;
_nop_();
}
Clk = 0;
DATI = 1;
for( i = 0;i < 8;i++ ) //讀取前8位的值
{
_nop_();
adval <<= 1;
Clk = 1;
_nop_();
Clk = 0;
if (DATO)
adval |= 0x01;
else
adval |= 0x00;
}
for (i = 0; i < 8; i++) //讀取后8位的值
{
test >>= 1;
if (DATO)
test |= 0x80;
else
test |= 0x00;
_nop_();
Clk = 1;
_nop_();
Clk = 0;
}
if (adval == test) //比較前8位與后8位的值，如果不相同舍去。若一直出現(xiàn)顯示為零，請將該行去掉
dat = test;
nop_();
CS = 1; //釋放ADC0832
DATO = 1;
Clk = 1;
return dat;
}
/***********************************************************************
函數(shù)功能：快速動態(tài)掃描延時,延時約0.6毫秒
************************************************************************/
void delay(void)
{
unsigned int i;
for(i=0;i<80;i++)
;
}
/******************************************************************
函數(shù)功能：顯示計數(shù)次數(shù)的子程序
入口參數(shù)：x
********************************************************************/
void Display(second,min,hour,year,month,day,unsigned char temperature)
{
P0=temptab[temperature%100/10];
if(temperature>9)
{P34=0; }
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…………限于本文篇幅余下代碼請從51黑下載附件…………