1-程序长按校准.rar_LCD_压力传感器_压力校准_温度传感器_程序

#include <reg52.h> #include <intrins.h> #include <string.h> #include "LCD1602.h" #include "HX711.h" #include "chaoshengbo.h" #include "ds18b20.h" #define uchar unsigned char #define uint unsigned int #define ulong unsigned long /************************管脚引用**************** sbit Trig = P2^1; //产生脉冲引脚 sbit Echo = P3^2; //回波引脚 sbit buzzer=P2^0; sbit LCD_RS=P1^0;//定义引脚 sbit LCD_RW=P1^1; sbit LCD_E=P1^2; sbit DQ=P3^6; ******************************************/ /*****************全局变量******************* uchar tempL=0,tempH=0,sdata,xiaoshu1;xiaoshu2; 依次表示DS18B20的读温度低八位，读温度高八位，温度整数，第一位小数，第二位小数 */ int wendu=500,wendu1=0; unsigned long HX711_Buffer = 0; sbit qupi=P3^7; long Weight_Shiwu = 0; long Weight_pi = 0; sbit con=P1^4; sbit add=P3^5; sbit reduce=P3^4; void Delay_ms(unsigned int n); //显示重量，单位kg，两位整数，三位小数 void Display_Weight() { if(Weight_Shiwu<0) { LCD1602_write_com(0x80+0x40+2); LCD1602_write_word("----"); } else{ Weight_Shiwu=Weight_Shiwu/4; LCD1602_write_com(0x80+0x40+2); LCD1602_write_data(Weight_Shiwu%1000000/100000 + 0x30); // LCD1602_write_data('.'); LCD1602_write_data(Weight_Shiwu%100000/10000 + 0x30); LCD1602_write_data(Weight_Shiwu%10000/1000 + 0x30); LCD1602_write_data(Weight_Shiwu%1000/100 + 0x30); } } void delay1(uchar i) { uchar j,k; for(j=i;j>0;j--) for(k=125;k>0;k--); } void run() { distance_0(); ReadTemperature(); Delay_ms(100); read(); LCD1602_write_com(0x80+2); LCD1602_write_data(sdata/100+0x30); LCD1602_write_data(sdata/10%10+0x30); LCD1602_write_data('.'); LCD1602_write_data(sdata%10+0x30); LCD1602_write_com(0x80+11); // LCD1602_write_data(T[bai]+0x30); // LCD1602_write_data(T[shi]+0x30); // LCD1602_write_data(T[ge]+0x30); LCD1602_write_data(wendu1/100+0x30); LCD1602_write_data(wendu1/10%10+0x30); LCD1602_write_data(wendu1%10+0x30); Weight_Shiwu = HX711_Read()-Weight_pi; Display_Weight(); LCD1602_write_com(0x80+0x40+13); LCD1602_write_data(T[wendu/100]+0x30); LCD1602_write_data(T[wendu/10%10]+0x30); if(con==1) LCD1602_write_data('L'); else LCD1602_write_data('H'); } //**************************************************** //主函数 //**************************************************** void main() { int k; Init_LCD1602(); //初始化LCD1602 LCD1602_write_com(0x80); LCD1602_write_word("T:00.0C D:000mm"); LCD1602_write_com(0x80+0x40); //指针设置 LCD1602_write_word("W:0000g SET:00"); Trig=0; //首先拉低脉冲输入引脚 TMOD=0x11; //定时器0，定时器1，16位工作方式 TR0=1; //启动定时器0 IT0=0; //由高电平变低电平，触发外部中断 ET0=1; //打开定时器0中断 EX0=0; //关闭外部中断 EA=1; //打开总中断0 while(1) { run(); con=1;wendu1=0; while(wendu>sdata) { wendu1=sdata+((wendu-sdata)/200)*((wendu-sdata)/200)*((wendu-sdata)/200)*10+((wendu-sdata)/80)*((wendu-sdata)/80)*5+((wendu-sdata)/10); while(sdata<wendu1) { con=0; run(); } con=1; for(k=0;k<50;k++) run(); } } } //**************************************************** //MS延时函数(12M晶振下测试) //**************************************************** void Delay_ms(unsigned int n) { unsigned int i,j; if(add==0) if(wendu<1000) wendu=wendu+10; if(reduce==0) if(wendu>0) wendu=wendu-10; for(i=0;i<n;i++) { if(qupi==0) Weight_pi = HX711_Read(); for(j=0;j<255;j++); } }