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標題: LCD1602模塊化代碼，超級方便，以后再不用打那么長的代碼LCD1602.c和LCD1602.h [打印本頁]

作者: 洛倫茲力量 時間: 2021-7-12 09:40
標題: LCD1602模塊化代碼，超級方便，以后再不用打那么長的代碼LCD1602.c和LCD1602.h
主要內容顯示如下：
模塊化LCD1602.c和LCD1602.h如下文件

#include <REGX52.H>

sbit LCD_RW=P2^5;
sbit LCD_RS=P2^6;//1為數據，0為指令
sbit LCD_E=P2^7;

#define LCD_DataPort P0

void Delay(unsigned char xms)
{
      unsigned char i=2,j=199;
      while(xms--)
      {
            do
            {
                     while(--j);
            }while(--i);
      }
}

void LCD_WriteCommand(unsigned char Command)
{
      LCD_RS=0;
      LCD_RW=0;

      LCD_DataPort=Command;

      LCD_E=1;
      Delay(1);

      LCD_E=0;
      Delay(1);
}

void LCD_WriteData(unsigned char Data)
{

      LCD_RS=1;
      LCD_RW=0;

      LCD_DataPort=Data;

      LCD_E=1;
      Delay(1);

      LCD_E=0;
      Delay(1);
}

void LCD_Init(void)
{
      LCD_WriteCommand(0x38);
      LCD_WriteCommand(0x0C);
      LCD_WriteCommand(0x06);
      LCD_WriteCommand(0x01);
}

void LCD_SetAC(unsigned char Line,unsigned char Column)
{
      LCD_WriteCommand(0x80);
      if(Line==1)
      {
            LCD_WriteCommand(0x80|(Column-1));
      }
      else if(Line==2)
      {
            LCD_WriteCommand(0x80|(Column-1)+0x40);
      }
}

void LCD_ShowChar(unsigned char Line,unsigned char Column,unsigned char Char)
{
      LCD_SetAC(Line,Column);
      LCD_WriteData(Char);
}

void LCD_ShowString(unsigned char Line,unsigned char Column,unsigned char *String)
{
      LCD_SetAC(Line,Column);
      while(1)
      {
            if(*String!='\0'){LCD_WriteData(*String);}
            else{break;}
            String++;
      }
}
int Power(unsigned char X,unsigned char Y)
{
      unsigned char i;
      int result=1;
      for(i=0;i<Y;i++)
      {
            result*=X;
      }
      return result;
}

void LCD_ShowNum(unsigned char Line,unsigned char Column,int Number,unsigned char Length)
{
      unsigned char i;
      LCD_SetAC(Line,Column);
      for(i=Length;i>0;i--)
      {
            LCD_WriteData('0'+Number/Power(10,i-1)%10);
      }
}
void LCD_ShowsignedNum(unsigned char Line,unsigned char Column,int Num1,unsigned char Length)
{
      int Number1;
      unsigned char i;
      LCD_SetAC(Line,Column);
      if(Num1>0)
      {
            LCD_WriteData('+');
            Number1=Num1;
      }
      else if(Num1<0)
      {
            LCD_WriteData('-');
            Number1=-Num1;
      }
      for(i=Length;i>0;i--)
      {
            LCD_WriteData('0'+Number1/Power(10,i-1)%10);
      }
}

void main()
{
            LCD_Init();
            LCD_ShowChar(1,1,'A');
            LCD_ShowString(1,3,"Hello");
            LCD_ShowNum(1,9,66,2);
            LCD_ShowsignedNum(1,12,-88,2);
            while(1)
            {

            }
}

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LCD1602模塊化

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