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#include <reg52.h> //包含單片機(jī)的頭文件
//#include <intrins.h>
//#include <string.h>
//#include <math.h>
//#include "stdio.h"
//#include <stdarg.h>
//#include<stdlib.h>
#include"lcd.h" //包含LCD的頭文件
#include"iic.h" //包含IIC通信的頭文件
#define uchar unsigned char //自定義的數(shù)據(jù)類型
#define uint unsigned int //自定義的數(shù)據(jù)類型
sbit RED = P3^5; //定義RED接在單片機(jī)的P3^5引腳上
sbit YELLOW = P3^6; //定義YELLOW接在單片機(jī)的P3^6引腳上
sbit GREEN = P3^7; //定義GREEN接在單片機(jī)的P3^7引腳上
int AD; //AD
int CYCLE; //電壓
float CYC; //電壓
int ELE; //電量（百分比）
/******************************************//*
*
*函數(shù)名：void delay(uint z)
*參數(shù)：uint z
*返回值：void
*函數(shù)功能：延時(shí)函數(shù)
*
*//******************************************/
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=120;y>0;y--);
}
/******************************************//*
*
*函數(shù)名：int main() 改為int main()
*參數(shù)：void
*返回值：int
*函數(shù)功能：主函數(shù)
*
*//******************************************/
void main()
{
LcdInit(); //調(diào)用LCD初始化函數(shù)，進(jìn)行LCD的初始化
init_pcf8591(0x03); //應(yīng)該也是個(gè)初始化函數(shù)
RED = 0;YELLOW=0;GREEN=0; //讓RED,YELLOW,GREEN引腳都為零
while(1)
{
AD = adc_pcf8591(); //采集電壓，讓數(shù)值送入AD變量
LcdWriteCom(0x80); //對LCD顯示屏進(jìn)行寫命令
LcdWriteData('A'); //對LCD顯示屏進(jìn)行寫數(shù)據(jù)（顯示的東西）
LcdWriteData('D');
LcdWriteData(':');
LcdWriteData('0'+AD/100); //‘0’+AD/100這個(gè)加‘0’的意思是進(jìn)行ASCII碼的轉(zhuǎn)換
LcdWriteData('0'+AD/10%10);
LcdWriteData('0'+AD%10);
CYC = (AD*100)/51; //CYC變量進(jìn)行運(yùn)算
CYCLE = CYC;
LcdWriteCom(0x80+0X40); //對LCD顯示屏進(jìn)行寫命令
LcdWriteData('V'); //對LCD顯示屏進(jìn)行寫數(shù)據(jù)（顯示的東西）
LcdWriteData('O');
LcdWriteData(':');
LcdWriteData('0'+CYCLE/100);
LcdWriteData('.');
LcdWriteData('0'+CYCLE/10%10);
LcdWriteData('0'+CYCLE%10);
LcdWriteData('V');
//3.20V-4.20V
ELE = CYCLE-320;
LcdWriteCom(0x8A+0X40);
LcdWriteData('E');
LcdWriteData(':');
LcdWriteData('0'+ELE/100);
LcdWriteData('0'+ELE/10%10);
LcdWriteData('0'+ELE%10);
LcdWriteData('%');
//以下內(nèi)容就是對數(shù)據(jù)進(jìn)行選擇處理，讀取并顯示電壓以及電量百分比 并依據(jù)不同的百分比驅(qū)動(dòng)不同的指示燈
switch(ELE/10%10)
{
case 0:
case 1:
case 2:
case 3:
{
RED = 1;
YELLOW=0;
GREEN=0;
} break; //電量在0-30% 紅燈亮
case 4:
case 5:
case 6:
case 7:
{
RED = 0;
YELLOW=1;
GREEN=0;
} break;
case 8: case 9: {RED = 0;YELLOW=0;GREEN=1;} break;
default : {RED = 0;YELLOW=0;GREEN=0;} break;
}
// delay(100);
}
} |
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