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<code id="ki20o"></code>

#include "STC12S5A60S2.h" //調用STC單片機頭文件
#include <intrins.H>
#include <stdio.h>
#include "Delay.h" //延時函數頭文件
#include "ADC.h" //模數轉換頭文件
#include "Lcd1602.h"
#include "TLC5615.h"
sbit CE=P2^3;
sbit KEY1=P1^4;
sbit KEY2=P1^5;
sbit KEY3=P1^6;
sbit KEY4=P1^7;
sbit BEEP=P3^7;
uint ADVal0,ADVal1; //AD0電池電壓 AD1輸出電流檢測
int DA=1; //5oh 負載電阻 X 200mA =1V
bit LoadFlag=0;
bit CEFlag=0;
bit SecFlag=0;
float fAD0=0;//,fAD1=0;
uint AD1=0;
uchar arrAD0[5];
uchar arrAD1[5];
//float fSI=0;
uint SI=0;
uchar arrfSI[5];
bit Flag=0;
bit OkFlag=0;
bit SetFlag=0;
uint SetNum=0;
int Qian=0, Bai=0, Shi=0 ,Ge=0;
uchar Cnt=0;
void KeyScan()
{
if(KEY1==0)
{
DelayMS(2);
if(KEY1==0)
{
while(!KEY1);//設置鍵
SetFlag=~SetFlag;
if(SetFlag==1)
{
WriteCommand(0x0f);
WriteCommand(0x80+3);
OkFlag=0;
SetNum=1;
}
else
{
WriteCommand(0x0c);
WriteCommand(0x80+3);
}
}
}
if(KEY2==0) //右移
{
DelayMS(2);
if(KEY2==0)
{
while(!KEY2);
SetNum++;
switch(SetNum)
{
case 1:
WriteCommand(0x80+3);
break;
case 2:
WriteCommand(0x80+4);
break;
case 3:
WriteCommand(0x80+5);
break;
case 4:
SetNum=0;
WriteCommand(0x80+6);
break;
}
}
}
if(KEY3==0) //+
{
DelayMS(2);
if(KEY3==0)
{
while(!KEY3);
switch(SetNum)
{
case 1:
Qian++;
if(Qian>9) Qian=0;
WriteData(Qian+0x30);
WriteCommand(0x80+3);
break;
case 2:
Bai++;
if(Bai>9) Bai=0;
WriteData(Bai+0x30);
WriteCommand(0x80+4);
break;
case 3:
Shi++;
if(Shi>9) Shi=0;
WriteData(Shi+0x30);
WriteCommand(0x80+5);
break;
case 4:
Ge++;
if(Ge>9) Ge=0;
WriteData(Ge+0x30);
WriteCommand(0x80+6);
break;
}
}
}
if(KEY4==0) //-
{
DelayMS(2);
if(KEY4==0)
{
while(!KEY4);
switch(SetNum)
{
case 1:
Qian--;
if(Qian<0) Qian=9;
WriteData(Qian+0x30);
WriteCommand(0x80+3);
break;
case 2:
Bai--;
if(Bai<0) Bai=9;
WriteData(Bai+0x30);
WriteCommand(0x80+4);
break;
case 3:
Shi--;
if(Shi<0) Shi=9;
WriteData(Shi+0x30);
WriteCommand(0x80+5);
break;
case 4:
Ge--;
if(Ge<0) Ge=9;
WriteData(Ge+0x30);
WriteCommand(0x80+6);
break;
}
}
}
}
void InitTimer()
{
TMOD=0X01; //定時器工作在方式1 定時模式
TH0=0X3C; //初值 50ms
TL0=0XB0;
ET0=1; //開啟定時器使能標志
TR0=1; //運行定時器0
EA=1; //開總中斷
}
void main()
{
CE=0; //使能輸出
P1M1=0X03;
P1M0=0X00; //初始化單片機P1口，設置P10 P11 為AD輸入口
InitLcd(); //初始化液晶
DisplayString("SI=0000mA ",0x00);
DisplayString("I =0000mA V=0.00V",0x40); //液晶初始界面
InitTimer(); //初始化定時器 50ms
InitADC(); //初始化單片機AD
TLC5615(DA); //初始DA輸出
while(1)
{
KeyScan(); //按鍵掃描
if(SecFlag==1) //1秒鐘時間到
{
SecFlag=0;
if(SetFlag==0)
{
ADVal0=ADC(0);//電池1檢測
fAD0=ADVal0*0.004883*6; //20K 與100K分壓
sprintf(arrAD0,"%4f",fAD0);
arrAD0[4]='\0';
GotoXY(11,1);
Print(arrAD0);
if(fAD0<1)
{
GotoXY(2,1);
Print("0000\0");
DA=1;
TLC5615(DA);
}
SI=Qian*1000+Bai*100+Shi*10+Ge;
if(SI>1000)
{
SI=1000;
GotoXY(3,0);
Print("1000\0");
Qian=1;
Bai=0;
Shi=0;
Ge=0;
}
if(OkFlag==0)
{
ADVal1=ADC(1);//負載檢測 0.5R
AD1=ADVal1*9; //0.009766
sprintf(arrAD1,"%04d",AD1);
arrAD1[4]='\0';
GotoXY(2,1);
Print(arrAD1);
Flag=0;
if(SI>5)
{
if(AD1<(SI-5))
{
DA++;
Flag=1;
}
if(AD1>(SI+5))
{
DA--;
if(DA<1)
{
DA=1;
}
Flag=1;
}
if(Flag==0)
{
……………………
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