1寸LED时钟修改的热敏电阻温度计显示带有鬼影附单片机程序 -

#include <reg51.h>
#include <math.h>
#include "ADC.H"
sbit LED1 = P3 ^ 7;//数码管1
sbit LED2 = P3 ^ 6;//数码管2
sbit LED3 = P3 ^ 5;//数码管3
sbit LED4 = P3 ^ 4;//数码管4
//为了编程方便定义的位变量
sbit a0 = ACC ^ 0;
sbit a1 = ACC ^ 1;
sbit a2 = ACC ^ 2;
sbit a3 = ACC ^ 3;
sbit a4 = ACC ^ 4;
sbit a5 = ACC ^ 5;
sbit a6 = ACC ^ 6;
sbit a7 = ACC ^ 7;
sfr AUXR = 0x8E; //0000,0000 辅助寄存器
sfr P3M1 = 0xB1;
sfr P3M0 = 0xB2;
bit flag,dot_Bell=1;//闹钟调时闪烁标志位
unsigned char id=1;
unsigned char disbuff[4] ={0};
unsigned char time=0;
unsigned int temp[1];
unsigned int temp_num = 0;
unsigned char code LEDData1 [ ] = { 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff }; //正0-9LED数值
unsigned char code LEDData2 [ ] = { 0xc0,0xcf,0xA4,0x86,0x8B,0x92,0x90,0xc7,0x80,0x82,0xff }; //反0-9LED数值
void Delayms(unsigned int di) //延时
{
unsigned int da,db;
for(da=0;da<di;da++)
for(db=0;db<10;db++);
}
void Display(void) //扫描方式led1~led4循环点亮
{
time++;
if(time==1)
{
if(dot_Bell)
{
P2=LEDData1[disbuff[0]]&0x7f;// 0x7F点亮DP小数点
LED1=0; LED4=1;
}
else
{
P2=LEDData1[disbuff[0]];
LED1=0; LED4=1;
}
}
if(time==2)
{
if(id>=3)
{
P2=(LEDData2[disbuff[1]])&0x7F;
LED1=1; LED2=0;
}
else
if(flag)
{
P2=(LEDData2[disbuff[1]])&0x7F;
LED1=1; LED2=0;
}
else
{
P2=LEDData2[disbuff[1]];
LED1=1; LED2=0;
}
}
if(time==3)
{
if(id>=3)
{
P2=LEDData1[disbuff[2]]&0x7f;
LED2=1; LED3=0;
}
else
if(flag)
{
P2=LEDData1[disbuff[2]]&0x7f;
LED2=1; LED3=0;
}
else
{
P2=LEDData1[disbuff[2]];
LED2=1; LED3=0;
}
}
if(time==4)
{
time=0;
if(disbuff[3]==0)
{
P2=LEDData1[10];
LED3=1; LED4=0;
}
else
{
P2=LEDData1[disbuff[3]];
LED3=1; LED4=0;
}
}
}
/******************************************************************************/
void Timer1Init(void) //20毫秒@12.000MHz
{
AUXR &= 0xBF; //定时器时钟12T模式
TMOD &= 0x0F; //设置定时器模式
TL1 = 0xE0; //设置定时初值
TH1 = 0xB1; //设置定时初值
TF1 = 0; //清除TF1标志
TR1 = 1; //定时器1开始计时
}
/******************************************************************************/
void Timer1(void) interrupt 3 using 1
{
temp_num++;
if(temp_num > 40)
{
temp_num = 0;
}
}
void ADC_convert(void)
{
ET0 = 0;
if(temp_num == 0)
{
GetADCResult(6,&temp[0]);
temp[0]=(unsigned int) ((1/(log(((float)temp[0]*4700/(1024-(float)temp[0]))/10000)/3950+1/298.15)-273.15)*100);
temp_num = 1;
}
P2 = LEDData1[temp[0]/1000]; //千位
LED4 = 0;
Delayms(50);
LED4 = 1;
P2 = (LEDData1[temp[0]%1000/100])&0x7F;//百位
LED3 = 0;
Delayms(50);
LED3 = 1;
P2 = LEDData2[temp[0]%1000%100/10];//十位
LED2 = 0;
Delayms(50);
LED2 = 1;
P2 = 0xa7;//c
LED1 = 0;
Delayms(50);
LED1 = 1;
ET1 = 1;//启动定时器1
}
/******************************************************************************/
void main(void)//主函数
{
P3M1=0x00;
P3M0=0x08;
InitADC(); //初始化ADC
Timer1Init();
EA=1;
while(1)//主循环
{
Display();
switch( id )
{
case 1:ADC_convert();break;//显示温度
default:break;
}
}//while
}//main

复制代码

#include <reg51.h>
#include <math.h>
#include "ADC.H"
/*
sbit LED1 = P3 ^ 7;//数码管1
sbit LED2 = P3 ^ 6;//数码管2
sbit LED3 = P3 ^ 5;//数码管3
sbit LED4 = P3 ^ 4;//数码管4
*/
sfr AUXR = 0x8E; //0000,0000 辅助寄存器
sfr P3M1 = 0xB1;
sfr P3M0 = 0xB2;
unsigned char time=0;
unsigned char code LEDData1[ ] = { 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff }; //正0-9LED数值
unsigned char code LEDData2[ ] = { 0xc0,0xcf,0xa4,0x86,0x8B,0x92,0x90,0xc7,0x80,0x82,0xff }; //反0-9LED数值
unsigned char data disbuff[4];
unsigned int temp[1];
/******************************************************************************/
void Timer1Init(void) //2毫秒@12.000MHz
{
AUXR |= 0x40; //定时器时钟1T模式
TMOD &= 0x0F; //设置定时器模式
TL1 = 0x40; //设置定时初始值
TH1 = 0xA2; //设置定时初始值
TF1 = 0; //清除TF1标志
TR1 = 1; //定时器1开始计时
}
void ADC_convert(void)
{
if(temp_num == 0)
{
GetADCResult(6,&temp[0]);
Temp=(unsigned int) ((1/(log(((float)temp[0]*4700/(1024-(float)temp[0]))/10000)/3950+1/298.15)-273.15)*100);
temp_num = 1;
}
}
void Display(void) //扫描方式led1~led4循环点亮
{
disbuff[0]=0x70;//.C
disbuff[1]=LEDData2[temp[0]/10%10];
disbuff[2]=LEDData1[temp[0]/100%10]&0x7f;
disbuff[3]=LEDData1[temp[0]/1000%10];
P3|=0xf0;//消隐
P2=disbuff[time];//段码
P3&=~(0x10<<time);//位码
time=++time%4;
}
/******************************************************************************/
void main(void)//主函数
{
P3M1=0x00;
P3M0=0x08;
InitADC(); //初始化ADC
Timer1Init();
while(1)//主循环
{
if(TF1)//查询T1中断请求标志
{
TF1=0;//清0 TF1标志
ADC_convert()//读取ADC并转换为温度值
Display();//动态数码管显示
}
}//while
}//main

复制代码

#include <reg51.h>
#include <intrins.h>
sfr AUXR = 0x8E;
sfr P0M0 = 0x94; //
sfr P0M1 = 0x93; //
sfr P1M0 = 0x92; //
sfr P1M1 = 0x91;
sfr P2M0 = 0x96; //
sfr P2M1 = 0x95; //
sfr P3M0 = 0xB2; //
sfr P3M1 = 0xB1; //
sfr P4 = 0xC0;
sfr P4M0 = 0xB4; //
sfr P4M1 = 0xB3; //
sfr ADC_CONTR = 0xBC; //ADC控制寄存器
sfr ADC_RES = 0xBD; //ADC高8位结果
sfr ADC_LOW2 = 0xBE; //ADC低2位结果
sfr P1ASF = 0x9D; //P1口第2功能控制寄存器
/*
sbit LED1 = P3 ^ 7;//数码管1
sbit LED2 = P3 ^ 6;//数码管2
sbit LED3 = P3 ^ 5;//数码管3
sbit LED4 = P3 ^ 4;//数码管4
*/
#define ADC_POWER 0x80 //ADC电源控制位
#define ADC_FLAG 0x10 //ADC完成标志
#define ADC_START 0x08 //ADC起始控制位
#define ADC_SPEEDLL 0x00 //540个时钟
#define ADC_SPEEDL 0x20 //360个时钟
#define ADC_SPEEDH 0x40 //180个时钟
#define ADC_SPEEDHH 0x60 //90个时钟
#define ADC_Channel 6 //选择ADC通道110 将P1.6为温度接口
unsigned char disbuff[4]={0};
unsigned char time=0;
unsigned int temp[1];
unsigned char code LEDData1 [ ] = { 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff }; //正0-9LED数值
unsigned char code LEDData2 [ ] = { 0xc0,0xcf,0xA4,0x86,0x8B,0x92,0x90,0xc7,0x80,0x82,0xff }; //反0-9LED数值
void GetADCResult(unsigned char ch,unsigned int *value);
void InitADC(void);
void ADC_convert(void);
void Timer0Init(void);
/*----------------------------
Get ADC result
----------------------------*/
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?
}
/*----------------------------
Initial ADC sfr
----------------------------*/
void InitADC(void)
{
P1ASF = 0x40; //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; //ADC power-on and dela
}
/******************************************************************************/
void Display(void) //扫描方式led1~led4循环点亮
{
disbuff[0]=0x70;//.C
disbuff[1]=LEDData2[temp[0]/10%10];
disbuff[2]=LEDData1[temp[0]/100%10]&0x7f;
disbuff[3]=LEDData1[temp[0]/1000%10];
P3|=0xf0;//消隐
P2=disbuff[time];//段码
P3&=~(0x10<<time);//位码
time=++time%4;
}
/******************************************************************************/
void Timer0Init(void) //5毫秒@11.0592MHz
{
AUXR |= 0x80; //定时器时钟1T模式
TMOD &= 0xF0; //设置定时器模式
TL0 = 0x00; //设置定时初始值
TH0 = 0x28; //设置定时初始值
TF0 = 0; //清除TF0标志
TR0 = 1; //定时器0开始计时
}
/******************************************************************************/
void ADC_convert(void)
{
GetADCResult(6,&temp[0]);
// 此处计算方法有问题，log是什么鬼？temp[0]保存的是ADC结果，数据范围0~1023，代入显示函数可以正常显示ADC结果
// temp[0]=(unsigned int) ((1/(log(((float)temp[0]*4700/(1024-(float)temp[0]))/10000)/3950+1/298.15)-273.15)*100);
}
/******************************************************************************/
void main(void)//主函数
{
P0M0 = 0x00;
P0M1 = 0x00;
P1M0 = 0x00;
P1M1 = 0x40;
P2M0 = 0x00;
P2M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
P4M0 = 0x00;
P4M1 = 0x00;
InitADC(); //初始化ADC
Timer0Init();//定时器T0初始化
while(1)//主循环
{
if(TF0)
{
TF0=0;
ADC_convert();
Display();
}
}
}

复制代码