dianliuyuan.zip_current source_generation

//#include<STC12C5A60S2.H> //头文件 #include <intrins.h> #include "DA.h" #include "7705.h" #include <reg52.h> #define uchar unsigned char #define uint unsigned int #define Vref 2.048 //TLV5616比较电压 sbit key1=P2^0; sbit key2=P2^1; sbit key3=P2^2; sbit key4=P2^7; sbit LCD_EN = P2^4; //LCD使能信号 sbit LCD_RS = P2^3; //LCD寄存器选择H=data; L=command; double V11,R=1.2,DAA; uint DA,AD=0,V=20,I=0; uchar digit[16]={"0123456789ABCDEF"}; uchar wan,qian,bai,shi,ge; //延时函数 void delay(uint z) { uint x,y; for(x=z;x>0;x--) for(y=123;y>0;y--); } void command(uchar command) { LCD_RS=0; P0=command; delay(5); LCD_EN=1; delay(5); LCD_EN=0; } void dat(uchar dat) { delay(5); LCD_RS = 1; P0=dat; delay(5); LCD_EN=1; delay(5); LCD_EN=0; } void init1602() { LCD_EN=0; command(0x38); delay(5); command(0x0c); delay(5); command(0x06); delay(5); command(0x01); delay(5); } void display(uint Y,uint X) { uint temp; uchar address; temp=X; wan=temp/10000; qian=temp/1000%10; bai=temp/100%10 ; shi=temp/10%10; //十位 ge=temp%10; //个位 if(Y==1) { address=0x80; //0<=x<8; } else if(Y==2) { address=0x80+0x40; } else if(Y==3) { address=0x80+0x40+7; } command(address); dat('I'); dat('='); dat(digit[wan]); dat(digit[qian]); dat(digit[bai]); dat(digit[shi]); dat(digit[ge]); } /********************************************************************************************* 函数名：主函数 调 用：无 参 数：无 返回值：无 结 果：程序开始处，无限循环 备 注：/**********************************************************************************************/ void main (void) { unsigned int DAA=0; init1602(); Adc7705Init(); while(1) { if(key1==0) { delay(10); if(key1==0) { V--; } while(!key1); } if(key2==0) { delay(10); if(key2==0) { V++; } while(!key2); } if(key3==0) { delay(10); if(key3==0) { V=V-50; } while(!key3); } if(key4==0) { delay(10); if(key4==0) { V=V+50; } while(!key4); } display(1,V); delay(10); //*************************DA输出******************************************** // DAA=(V/1000)/Vref*2048 ; DA=(uint)DAA; // DA=V; tlv5616_da(DA); _nop_(); _nop_(); //*************************AD检测******************************************** // AD=AverAdc7705(); V11=(double)(AD*Vref/65536.0*1000); I=(uint)(V11); display(2,I); //位数是否正确需检验 display(3,AD); delay(10); /* if(I==V) { DAA=DAA; } else if(I>V) { DAA--; } else if(I<V) { DAA++; } */ } } /**********************************************************************************************/