STC12C5A60S2单片机制作的锂电池容量测试源程序 -

/*--------------------------------------------------------------*/
#include <STC12C5A60S2.H>
#include "LCD5510_V3.H"
#include "STC12ADC.C"
#define uint unsigned int
#define uchar unsigned char
#define ulong unsigned long
//定义变量
char a[10]={'0','1','2','3','4','5','6','7','8','9'};
int dianya, ge, shi, bai, qian, c=800; //c设定最小电流
float cap4=0, cap5=0, cap6=0, cap7=0;
uint tims=0, cur;
//ulong cap;
/*--------------------------------------------------------------*/
//时间显示函数
void displaytime(uint dat)
{
uint tims1,tims2,timm1,timm2,timh; //定义秒1秒2，分1分2，时
timh=dat/3600;
timm2=(dat-timh*3600)/600;
timm1=(dat-timh*3600)/60%10;
tims2=(dat-timh*3600-timm2*600-timm1*60)/10;
tims1=dat%10;
LCD_prints(0, 5, "RUN");
LCD_printc(7, 5, a[timh]);
LCD_prints(8, 5, ":");
LCD_printc(9, 5, a[timm2]);
LCD_printc(10, 5, a[timm1]);
LCD_prints(11, 5, ":");
LCD_printc(12, 5, a[tims2]);
LCD_printc(13, 5, a[tims1]);
}
/*
//容量显示函数
void displaycap(uint dat)
{
LCD_printc(8, 1, a[dat/1000]);
LCD_printc(9, 1, a[dat/100%10]);
LCD_printc(10, 1, a[dat/10%10]);
LCD_printc(11, 1, a[dat%10]);
}
*/
//表头显示函数
void displaybiaotou()
{
LCD_prints(0, 0, "No");
LCD_prints(3, 0, "I-mA");
LCD_prints(8, 0, "CY-mAH");
LCD_prints(1, 1, "1");
LCD_prints(1, 2, "2");
LCD_prints(1, 3, "3");
LCD_prints(1, 4, "4");
}
/*
//5ms定时器中断函数
void InitTimer0(void)
{
TMOD = 0x01;
TH0 = 0x15;
TL0 = 0x0A0;
EA = 1;
ET0 = 1;
TR0 = 1;
}
*/
//1S延时函数
void delay1s(void) //误差 -0.000000000056us
{
uchar a,b,c,n;
for(c=70;c>0;c--)
for(b=168;b>0;b--)
for(a=249;a>0;a--); //a=249,每10分钟快1秒；a=250，每6分钟慢1秒，每10分钟慢1.4秒
for(n=1;n>0;n--);
}
void delay1ms(void) //误差 0us
{
unsigned char a,b;
for(b=129;b>0;b--)
for(a=45;a>0;a--);
}
//主函数
void main()
{
LCD5510_Init(); //5110初始化
Init_ADC(); //ADC初始化
displaybiaotou(); //显示表头
while(1)
{
uchar lu;
for(lu=4;lu<8;)
{
Get_ADC_Result(lu); //开始转换
//**********以下为放电电流显示语句*********************
dianya = Count(lu)*1000;
LCD_printn(3, lu-3, dianya, 5);
//**********以下为电池容量语句*********************
if(lu == 4)
{
if(dianya > c) //最小电流，假设电阻为1欧姆5W，电压与电流数值相同
{
cap4 = (float)dianya/3600 + cap4;
}
else
{
cap4 = cap4;
}
LCD_printn(8, lu-3, cap4, 4);
}
if(lu == 5)
{
if(dianya > c)
{
cap5 = (float)dianya/3600 + cap5;
}
else
{
cap5 = cap5;
}
LCD_printn(8, lu-3, cap5, 4);
}
if(lu == 6)
{
if(dianya > c)
{
cap6 = (float)dianya/3600 + cap6;
}
else
{
cap6 = cap6;
}
LCD_printn(8, lu-3, cap6, 4);
}
if(lu == 7)
{
if(dianya > c)
{
cap7 = (float)dianya/3600 + cap7;
}
else
{
cap7 = cap7;
}
LCD_printn(8, lu-3, cap7, 4);
}
lu++;
}
displaytime(tims);
tims++;
delay1s();
delay1ms(); //加入延时，每10分钟慢0.6秒
}
}

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