电池容量测试仪 Labview与STC单片机的结合（山山工作室） -

#include<stc12c5a60s2.h>
#include"stdio.h"
#include"intrins.h"
#define uint unsigned int
#define uchar unsigned char
sbit v_cd=P2^0;
sbit v_fd=P2^1;
sbit key=P2^2;
sbit lcdrs=P2^3;
sbit lcden=P2^4;
int volt,aolt,curr,mah;
uchar key_flag=1;
uchar num;
uchar v_shi,v_ge,v_xiao1,v_xiao2;
uchar a_shi,a_ge,a_xiao1,a_xiao2;
uchar h_shi,h_ge,h_xiao1,h_xiao2;
uchar t_shi,t_ge,t_xiao1,t_xiao2;
uchar s,g,x1,x2;
uchar data table[12]; //暂存数组，可以将10改为你需要的数值
uint i=0;
uchar code table1[]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39};
bit com_flag;
uint time;
uint num1,num2;
bit time_flag;
bit shan_flag;
bit lcd_flag;
void AD_init();
unsigned int AD_get(unsigned char channel);
float AD_work(unsigned char channel);
void delayms(uint z);
void delay(unsigned int a); //延时约1ms
void UART_init(void); //初始化函数
void senddata(uchar dat);
//void uart_sendstring(uchar *upStr);
void write_com(uchar com) ;
void write_data(uchar date);
void lcd_init();
void time_init();
void delayms(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
/**********************************************************/
void UART_init(void) //初始化函数
{
SCON = 0x50;
TMOD = 0x21;
TH1 = 0xFD; //波特率9600
TL1 = 0xFD;
TR1 = 1;
ES = 1;
EA = 1;
// TI =0;
// REN = 1;
}
/**********************************************************/
void senddata(uchar dat)
{
ES = 0; //关串口中断
TI = 0; //将串口发送完成中断请求标志清零
SBUF = dat; //写数据到发送缓冲区
while(!TI); //等待发送完成
TI = 0; //将串口发送完成中断请求标志清零
ES = 1; //将串口发送完成中断请求标志清零
}
/* ***************************************************** */
// 函数名称：UART_SendString()
// 函数功能：发送字符串
// 入口参数：待发送的字符串（*upStr）
// 出口参数：无
/* ***************************************************** *
void uart_sendstring(uchar *upStr)
{
while(*upStr) // 检测是否发送完毕
{
senddata(*upStr++);
// 调用UART_SendOneByte函数一个字节一个字节发送数据
}
}
/* ***************************************************** */
void delay(unsigned int a) //延时约1ms
{
unsigned int i;
while (--a!=0)
for(i=600;i>0;i--); //1T单片机i=600，若是12T单片机i=125
}
/*************************************************************/
void write_com(uchar com) //1602 lcd
{
lcdrs=0;
lcden=1;
P0=com;
delayms(5);
lcden=0;
}
/**********************************************************/
void write_data(uchar date) //1602 lcd
{
lcdrs=1;
lcden=1;
P0=date;
delayms(5);
lcden=0;
}
/**********************************************************/
void lcd_init() //lcd初始化
{
write_com(0x38);
delayms(20);
write_com(0x38);
delayms(20);
write_com(0x0c);
delayms(20);
write_com(0x06);
delayms(20);
write_com(0x01);
delayms(20);
}
void AD_init()
{
P1ASF=0xff; //P1口全部作为模拟功能AD使用
ADC_RES=0; //清零转换结果寄存器高8位
ADC_RESL=0; //清零转换结果寄存器低2位
ADC_CONTR=0x80;//开启AD电源
delay(2); //等待1ms，让AD电源稳定
}
void time_init()
{
TH0=(65536-45872)/256;
TL0=(65536-45872)%256;
EA=1;
ET0=1;
TR0=1;
}
void lcd_display()
{
volt=((AD_get(0)*2.5)/AD_get(7))*2*1000;
v_shi=volt/1000;
v_ge=volt%1000/100;
v_xiao1=volt%100/10;
v_xiao2=volt%10;
write_com(0x82);
write_data(table1[v_shi]);
write_com(0x83);
write_data('.');
write_com(0x84);
write_data(table1[v_ge]);
write_com(0x85);
write_data(table1[v_xiao1]);
write_com(0x86);
write_data(table1[v_xiao2]);
write_com(0x87);
write_data('V');
aolt=(AD_get(2)*0.002)*1000;
a_shi=aolt/1000;
a_ge=aolt%1000/100;
a_xiao1=aolt%100/10;
a_xiao2=aolt%10;
write_com(0x89);
write_data(table1[a_shi]);
write_com(0x8a);
write_data('.');
write_com(0x8b);
write_data(table1[a_ge]);
write_com(0x8c);
write_data(table1[a_xiao1]);
write_com(0x8d);
write_data(table1[a_xiao2]);
write_com(0x8e);
write_data('A');
write_com(0xC0);
write_data(' ');
h_shi=mah/1000;
h_ge=mah%1000/100;
h_xiao1=mah%100/10;
h_xiao2=mah%10;
write_com(0xc1);
write_data(table1[h_shi]);
write_com(0xc2);
write_data(table1[h_ge]);
write_com(0xc3);
write_data(table1[h_xiao1]);
write_com(0xc4);
write_data(table1[h_xiao2]);
write_com(0xc5);
write_data('M');
write_com(0xc6);
write_data('A');
write_com(0xc7);
write_data('H');
write_com(0xc8);
write_data(' ');
write_com(0xc9);
write_data('T');
write_com(0xca);
write_data('=');
t_shi=time/100;
t_ge=time%100/10;
t_xiao1=time%10;
write_com(0xcb);
write_data(table1[t_shi]);
write_com(0xcc);
write_data(table1[t_ge]);
write_com(0xcd);
write_data(table1[t_xiao1]);
write_com(0xce);
write_data('M');
}
// float AD_work(unsigned char channel)
// {
// float AD_val; //定义处理后的数值AD_val为浮点数
// unsigned char i;
// for(i=0;i<100;i++)
// AD_val+=AD_get(channel); //转换100次求平均值(提高精度)
// AD_val/=100;
// // AD_val=(AD_val*2.5)/1024; //AD的参考电压是单片机上的5v，所以乘5即为实际电压值
// return AD_val;
// }
void keysean()
{
if(key==0)
{
delayms(500);
if(key==0)
{
key_flag++;
if(key_flag>3)
key_flag=1;
}
while(!key);
}
if(key_flag==1)
{
v_fd=1;
v_cd=1;
write_com(0x80);
write_data(' ');
num1=0;
time_flag=0;
}
if(key_flag==2)
{
v_fd=1;
v_cd=0;
time=0;
mah=0;
write_com(0x80);
write_data('C');
write_com(0x81);
write_data(' ');
}
if(key_flag==3)
{
v_cd=1;
v_fd=0;
time_flag=1;
if(shan_flag==0)
{
write_com(0x80);
write_data('F');
}
else
{
write_com(0x80);
write_data(' ');
}
volt=((AD_get(0)*2.5)/AD_get(7))*2*1000;
v_shi=volt/1000;
v_ge=volt%1000/100;
if(v_shi==2)
{
v_fd=1;
v_cd=1;
time_flag=0;
key_flag=1;
}
}
}
void main()
{
AD_init();
UART_init();
lcd_init();
time_init();
v_cd=1;
v_fd=1;
while(1)
{
if(com_flag==0)
keysean();
if(lcd_flag==1)
{
lcd_display();
lcd_flag=0;
}
// senddata(table1[v_shi]);
// senddata('-');
// senddata(table1[key_flag]);
// senddata(0x0d);
// senddata(0x0a);
}
}
/**********************************************************/
void interrupt_uart() interrupt 4
{
ES=0; //关串口中断
table[i]=SBUF;//命令存到命令数组
if(table[0]=='W')
i++;
else
i=0;
RI=0; //软件清除接收中断
ES=1;//开串口中断
if(i>8) //如果接受字节大于8个开始检测接受字节后六位数据 Work_v_ad
{
if(table[5]=='v'&&table[6]=='_'&&table[7]=='a'&&table[8]=='d')
{
volt=((AD_get(0)*2.5)/AD_get(7))*2*1000;
v_shi=volt/1000;
v_ge=volt%1000/100;
v_xiao1=volt%100/10;
v_xiao2=volt%10;
senddata(table1[v_shi]);
senddata('.');
senddata(table1[v_ge]);
senddata(table1[v_xiao1]);
senddata(table1[v_xiao2]);
aolt=(AD_get(2)*0.002)*1000;
a_shi=aolt/1000;
a_ge=aolt%1000/100;
a_xiao1=aolt%100/10;
a_xiao2=aolt%10;
senddata('_');
if(a_shi>0)
senddata(table1[a_shi]);
senddata(table1[a_ge]);
senddata(table1[a_xiao1]);
senddata(table1[a_xiao2]);
senddata(0x0d);
senddata(0x0a);
com_flag=1;
}
if(table[5]=='v'&&table[6]=='_'&&table[7]=='a'&&table[8]=='a')
{
aolt=(AD_get(2)*0.002)*1000;
a_shi=aolt/1000;
a_ge=aolt%1000/100;
a_xiao1=aolt%100/10;
a_xiao2=aolt%10;
senddata(table1[a_shi]);
//senddata('.');
senddata(table1[a_ge]);
senddata(table1[a_xiao1]);
senddata(table1[a_xiao2]);
senddata(0x0d);
senddata(0x0a);
com_flag=1;
}
if(table[5]=='v'&&table[6]=='_'&&table[7]=='c'&&table[8]=='d')
{
com_flag=1;
v_fd=1;
v_cd=0;
}
if(table[5]=='v'&&table[6]=='_'&&table[7]=='f'&&table[8]=='d')
{
com_flag=1;
v_cd=1;
v_fd=0;
}
if(table[5]=='v'&&table[6]=='o'&&table[7]=='f'&&table[8]=='f')
{
com_flag=1;
v_cd=1;
v_fd=1;
}
i=0;
}
}
void T0_time() interrupt 1
{
TH0=(65536-45872)/256;
TL0=(65536-45872)%256;
num2++;
if(num2==20)
{
num2=0;
shan_flag=~shan_flag;
lcd_flag=1;
}
if(time_flag==1)
{
num1++;
if(num1==1200)
{
num1=0;
time++;
if(time==1000)
time=0;
mah=(AD_get(2)*0.002)*1000*time/60;
}
}
}

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