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標題:
單片機迷你時鐘電路與程序
[打印本頁]
作者:
TYS5262217
時間:
2020-7-3 09:57
標題:
單片機迷你時鐘電路與程序
51hei圖片20200703095713.png
(67.22 KB, 下載次數: 31)
下載附件
2020-7-3 09:57 上傳
單片機源程序如下:
#include "STC15F2K.h"
#include "intrins.h"
#include <math.h>
#define uchar unsigned char
#define uint unsigned int
sfr ADC_LOW2 = 0xBE; //ADC低2位結果
#define ADC_POWER 0x80 //ADC電源控制位
#define ADC_FLAG 0x10 //ADC完成標志
#define ADC_START 0x08 //ADC起始控制位
#define ADC_SPEEDLL 0x00 //540個時鐘
#define ADC_SPEEDL 0x20 //360個時鐘
#define ADC_SPEEDH 0x40 //180個時鐘
#define ADC_SPEEDHH 0x60 //90個時鐘
sbit S1=P3^3;
sbit S2=P3^4;
sbit S3=P3^5;
sbit S4=P3^6;
sbit bell=P3^0;
sbit set=P1^0;
sbit jia=P1^1;
uchar dat1[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xf8,0X80,0X90,0xff,0xc6};
uchar dat2[]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0X00,0X10,0xff};//有小數點
uchar table[4]={1,2,3,4};
uchar xg=0;
char t=0;
int t1;
char ps=0;
char flag=1;
int sudu1=0,sudu2=0;
unsigned int temp[2];
int ld;
extern void init_ds1302_io();
extern void init_ds1302();
extern void read_time();
extern void write_time();
extern void read_nao();
extern uchar miao;
extern uchar fen;
extern uchar shi;
extern uchar nfen;
extern uchar nshi;
void Delayms(uint t)
{
uchar i;
while(t--)
for(i=0;i<100;i++);
}
void display()
{
S1=1;
P2=dat1[table[0]];
Delayms(2);
S1=0;S2=1;
if(flag==0)P2=dat2[table[1]];
if(flag==1)P2=dat1[table[1]];
Delayms(2);
S2=0;S3=1;
P2=dat1[table[2]];
Delayms(2);
S3=0;S4=1;
P2=dat1[table[3]];
Delayms(2);
S1=S2=S3=S4=1;
P2=0xff;
S1=S2=S3=S4=0;
Delayms(2);
}
void init()
{
TMOD= 0x01;
TL0 = (65536-20000)/256; //設置定時初值
TH0 = (65536-20000)%256; //設置定時初值
ET0 = 1;
TR0 = 1;
EA = 1;
}
char menu=0;
bit nf=0;
bit gk=0;
void key()
{
if(set==0)
{
bell=0;
menu++;
if(menu==3){read_nao();}
if(menu==7){menu=0;ET1 = 1;write_time();}
while(set==0);
bell=1;
}
if(menu==1)
{
if(jia==0)
{
bell=0;
if(fen >= 0x60)
fen = 0;
fen=fen+0x01;
if((fen & 0x0f) >= 0x0a)
fen = (fen & 0xf0) + 0x10;
while(jia==0);
bell=1;
}
}
if(menu==2)
{
if(jia==0)
{
bell=0;
shi+=0x01;
if((shi & 0x0f) >= 0x0a)
shi = (shi & 0xf0) + 0x10;
if(shi >= 0x24)
shi = 0;
while(jia==0);
bell=1;
}
}
if(menu==3) //鬧鐘
{
if(jia==0)
{
bell=0;
if(nfen >= 0x60)
nfen = 0;
nfen=nfen+0x01;
if((nfen & 0x0f) >= 0x0a)
nfen = (nfen & 0xf0) + 0x10;
while(jia==0);
bell=1;
}
}
if(menu==4)
{
if(jia==0)
{
bell=0;
nshi+=0x01;
if((nshi & 0x0f) >= 0x0a)
nshi = (nshi & 0xf0) + 0x10;
if(nshi >= 0x24)
nshi = 0;
while(jia==0);
bell=1;
}
}
if(menu==5)
{
if(jia==0)
{
while(jia==0);
nf=!nf;
}
}
if(menu==6)
{
if(jia==0)
{
while(jia==0);
gk=!gk;
}
}
}
void InitADC()
{
P1ASF = 0x03; //Open channels ADC function 0100 0000 p1.6使用AD功能
ADC_RES = 0; //Clear previous result
ADC_LOW2 = 0;
ADC_CONTR = ADC_POWER | ADC_SPEEDLL;
}
void GetADCResult(unsigned char ch,unsigned int *value)
{
ADC_CONTR = ADC_POWER | ADC_SPEEDLL | ch | ADC_START;
_nop_(); //Must wait before inquiry
_nop_();
_nop_();
_nop_();
_nop_(); //Must wait before inquiry
_nop_();
while(!(ADC_CONTR & ADC_FLAG));//Wait complete flag
ADC_CONTR &= ~ADC_FLAG; //Close ADC
*value = 0;
*value = ADC_RES;
*value = ((*value)*4 + ADC_LOW2); //Return ADC result.×¢êíμ?′????ò·μ??8??ADC?á1?
}
void ADC_convert(void)
{
GetADCResult(0,&temp[0]);
temp[0] = (unsigned int) ( ( 3950.0 / ( 11.33657 + log( 6.04 * (float)temp[0] / ( 1024.0 - (float)temp[0] ) ) ) - 278.15) * 100 );
}
void main()
{
init();
InitADC();
init_ds1302_io();
init_ds1302();
read_nao();
P3M0=0xf8;P3M1=0x00;
P2M0=0xff;P2M1=0x00;
P1M0=0xff;P1M1=0x00;
P5M0=0x10;P5M1=0x00;
while(1)
{
P1ASF = 0x00;
key();
P1ASF = 0x03;
if(menu==0)
{
read_time();
if(t1>20 && t1<25)
{
ADC_convert();
flag=1;
table[0]=10;
table[1]=temp[0]/1000;
table[2]=temp[0]%1000/100;
table[3]=11;
}
if(t1>0 && t1<20)
{
table[0]=shi/16;
table[1]=shi%16;
table[2]=fen/16;
table[3]=fen%16;
}
if(t1>25)t1=0;
}
if(menu==1)
{
if(flag>0)
{
table[2]=fen/16;
table[3]=fen%16;
}
else
{
table[2]=10;
table[3]=10;
}
table[0]=shi/16;
table[1]=shi%16;
}
if(menu==2)
{
table[2]=fen/16;
table[3]=fen%16;
if(flag>0)
{
table[0]=shi/16;
table[1]=shi%16;
}
else
{
table[0]=10;
table[1]=10;
}
}
if(menu==3)
{
if(flag>0)
{
table[2]=nfen/16;
table[3]=nfen%16;
}
else
{
table[2]=10;
table[3]=10;
}
table[0]=nshi/16;
table[1]=nshi%16;
}
if(menu==4)
{
table[2]=nfen/16;
table[3]=nfen%16;
if(flag>0)
{
table[0]=nshi/16;
table[1]=nshi%16;
}
else
{
table[0]=10;
table[1]=10;
}
}
if(menu==5)
{
table[0]=nf;
table[1]=nf;
table[2]=nf;
table[3]=nf;
}
if(menu==6)
{
table[0]=gk;
……………………
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所有資料51hei提供下載:
程序.rar
(52.64 KB, 下載次數: 8)
2020-7-3 09:57 上傳
點擊文件名下載附件
下載積分: 黑幣 -5
作者:
qazchzhping
時間:
2021-6-20 11:56
第215行 temp[0] = (unsigned int) ( ( 3950.0 / ( 11.33657 + log( 6.04 * (float)temp[0] / ( 1024.0 - (float)temp[0] ) ) ) - 278.15) * 100 ) 公式怎么來的
作者:
qazchzhping
時間:
2021-6-20 11:57
第215行 temp[0] = (unsigned int) ( ( 3950.0 / ( 11.33657 + log( 6.04 * (float)temp[0] / ( 1024.0 - (float)temp[0] ) ) ) - 278.15) * 100 )公式怎么來的
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