基于51单片机lcd1602直接实时显示HX711模块称重代码

以下是基于51单片机和HX711模块的称重代码，实时将重量显示在LCD1602上：

#include <reg51.h>
#include <intrins.h>

#define LCD_DB P0
sbit LCD_RS=P3^6;
sbit LCD_RW=P3^5;
sbit LCD_EN=P3^4;

sbit DOUT=P2^7; // HX711模块的数据输出引脚
sbit PD_SCK=P2^6; // HX711模块的时钟引脚

void Delay1ms(unsigned int);
void InitLcd1602();
void WriteCommand(unsigned char);
void WriteData(unsigned char);
void LcdDisplay(unsigned char,unsigned char,unsigned char);

void main()
{
    unsigned long weight = 0;
    unsigned char i = 0;
    unsigned char j = 0;
    unsigned char buff[16];
    
    InitLcd1602(); // 初始化LCD1602
    
    while(1)
    {
        // 读HX711模块的数据
        while(DOUT);
        for(i=0;i<24;i++)
        {
            PD_SCK=1;
            weight=weight<<1;
            PD_SCK=0;
            if(DOUT) weight++;
        }
        for(j=0;j<1;j++)
        {
            PD_SCK=1;
            PD_SCK=0;
        }
        
        // 将重量显示在LCD1602上
        sprintf(buff,"%lu",weight);
        LcdDisplay(2,1,'w');
        LcdDisplay(2,2,'e');
        LcdDisplay(2,3,'i');
        LcdDisplay(2,4,'g');
        LcdDisplay(2,5,'h');
        LcdDisplay(2,6,'t');
        LcdDisplay(2,7,':');
        LcdDisplay(2,8,' ');
        LcdDisplay(2,9,buff[0]);
        LcdDisplay(2,10,buff[1]);
        LcdDisplay(2,11,buff[2]);
        LcdDisplay(2,12,buff[3]);
        LcdDisplay(2,13,buff[4]);
        LcdDisplay(2,14,buff[5]);
        LcdDisplay(2,15,'g');
        LcdDisplay(2,16,0);
        
        weight = 0; // 清空重量
    }
}

void Delay1ms(unsigned int i)
{
    unsigned int j;
    for(;i>0;i--)
    {
        for(j=110;j>0;j--);
    }
}

void InitLcd1602()
{
    WriteCommand(0x38); // 初始化LCD1602
    WriteCommand(0x0c);
    WriteCommand(0x06);
    WriteCommand(0x01);
    Delay1ms(10);
}

void WriteCommand(unsigned char c)
{
    LCD_RS = 0;
    LCD_RW = 0;
    LCD_DB = c;
    LCD_EN = 1;
    _nop_();
    _nop_();
    LCD_EN = 0;
}

void WriteData(unsigned char c)
{
    LCD_RS = 1;
    LCD_RW = 0;
    LCD_DB = c;
    LCD_EN = 1;
    _nop_();
    _nop_();
    LCD_EN = 0;
}

void LcdDisplay(unsigned char y,unsigned char x,unsigned char c)
{
    unsigned char address;
    if(y!=1)
    {
        address=0xc0+x-1;
    }
    else
    {
        address=0x80+x-1;
    }
    WriteCommand(address);
    WriteData(c);
}

注意：以上代码仅供参考，实际应用中需要根据具体硬件配置和需求进行修改。