压力传感器 HX711 程序

#include#define uchar unsigned char#define uint unsigned int#define ulongunsigned longuchar code table=0123456789;uchar code table1=.Kg;sbit lcden=P34;sbit lcdrs=P35;sbit ADDO=P23;sbit ADSK=P24;sbit beep=P22; uint shiqian,qian,bai,shi,ge;ulong zhl;void delay(uint ms)uint i,j;for(i=ms;i0;i-)for(j=110;j0;j-);void write_com(uchar com)lcdrs=0;P1=com;delay(10);lcden=1;delay(5);lcden=0;void init()lcden=0;write_com(0x38);/0011 1000 显示模式 16*2显示，5*7点阵，8位数据接口write_com(0x0c);/0000 1100 开显示 不显示光标 光标不闪烁write_com(0x06);/0000 0110 当读或写一字符后地址指针加一且光标加一，显示不移动write_com(0x01);/0000 0001 显示清零 数据指针清零void write_data(uchar date)lcdrs=1;P1=date;delay(10);lcden=1;delay(5);lcden=0;void display()ulong tamp,zhl;if(zhl0|zhl16777216)/进行判断是否满足条件tamp=(zhl*298)/100000)-24714;/进行AD转换计算shiqian=tamp/10000; /进行计算qian=tamp%10000/1000;bai=tamp%10000%1000/100;shi=tamp%10000%1000%100/10;ge=tamp%10000%1000%100%10;write_com(0x80+0x05); /表示使用哪个1602中的地址显示write_data(tableshiqian); / 显示值delay(50);write_com(0x80+0x06); /表示使用哪个1602中的地址显示write_data(tableqian); / 显示值delay(50); /延时，主要是用来解决显示屏是否忙还是不忙write_com(0x80+0x07);write_data(table10);delay(50);write_com(0x80+0x08);write_data(tablebai);delay(50);write_com(0x80+0x09);write_data(tableshi);delay(50);write_com(0x80+0x0A);write_data(tablege);delay(50);write_com(0x80+0x0B);write_data(table1);delay(50);write_com(0x80+0x0C);write_data(table12);delay(50);elseuint z;for(z=0;z=15;z+)/判断条件是否超出量程，报警。beep=1;delay(50);beep=0;delay(50);ulong hx711()ulong Count;uchar z;ADSK=0;/PD_SCK置低Count=0;while(ADDO);/AD转换结束时DO置0，退出读取for(z=0;z24;z+)ADSK=1;Count=Count1;/下降沿来时左移一位，右补0ADSK=0;if(ADDO)Count+;ADSK=1;Count=Count0x800000;