Proteus:简易示波器

Harmony&嵌入式学习 2023-06-14 2329

Harmony&嵌入式学习

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描述

视频链接：https://www.bilibili.com/video/BV1sr4y1C7tH

 寄存器寄存器寄存器寄存器
#include "reg52.h"			 //此文件中定义了单片机的一些特殊功能寄存器
#include < intrins.h >
#define uchar unsigned char
#define uint  unsigned int
#define ulong unsigned long
typedef unsigned int u16;	  //对数据类型进行声明定义
typedef unsigned char u8;

sbit CLK=P3^3;//定义时钟信号口
sbit DIN=P3^1;//定义2543数据写入口
sbit DOUT=P3^0;//定义2543数据读取口
sbit CS=P3^2;//定义2543片选信号口

#define LCD_databus P0 //LCD12864的8位数据口

sbit RS=P2^2; 	//RS为0---命令；1----数据 
sbit RW=P2^1; 	//RW为1---写；0---读 
sbit EN=P2^0; 	//使能端 
sbit CS1=P2^4; 	//片选1低电平有效，控制左半屏 
sbit CS2=P2^3; 	//片选1低电平有效，控制右半屏 
ulong volt;//测量的电压值
ulong Result;

unsigned char code da[]={/*--  文字:  大  --*/
/*--  楷体_GB231212;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x40,0x40,0x40,0x40,0xFF,0x20,0x20,0x20,0x20,0x20,0x00,0x00,0x00,0x00,
0x00,0x20,0x10,0x08,0x04,0x03,0x00,0x01,0x02,0x04,0x08,0x10,0x30,0x20,0x20,0x00};


unsigned char code BMP[][64]={/*--  调入了一幅图像：D:Desktop12848坐标.BMP  --*/
/*--  宽度x高度=128x48  --*/
0X00,0X17,0X15,0X1D,0X00,0X02,0XFE,0X06,0X02,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X07,0X04,0X1F,0X00,0X00,0XFF,0X04,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X15,0X15,0X1F,0X00,0X00,0XFF,0X04,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X0E,0X8B,0X0B,0X00,0X00,0XFF,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0XC0,0X00,0X0F,0X00,0XC0,0X00,0XFF,0X02,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X01,0X02,0X01,0X00,0X78,0X4B,0X7A,0X02,0X02,0X02,0X02,0X02,0X02,0X02,0X02,
0XFB,0X02,0X02,0X02,0X02,0X02,0X02,0X02,0X02,0XEA,0XAA,0XBA,0X02,0X02,0X02,0X02,
0X02,0X02,0XA2,0XAA,0XFA,0X02,0X02,0X02,0X02,0X02,0X02,0X02,0X3A,0X23,0XFA,0X02,
0X02,0X02,0X02,0X02,0X02,0X02,0XBA,0XAB,0XEA,0X02,0X02,0X02,0X02,0X02,0X02,0X02,
0XFA,0XAB,0XEA,0X02,0X02,0X02,0X02,0X02,0X02,0X02,0X0A,0X0B,0XFA,0X02,0X02,0X02,
0X02,0X02,0X02,0X02,0XFA,0XAB,0XFA,0X02,0X02,0X02,0X02,0X02,0X02,0X02,0XBA,0XFA,
0X02,0X02,0X02,0X02,0X02,0X02,0XFA,0X02,0XFB,0X8A,0XFA,0X02,0X02,0X02,0X02,0X02,
0X02,0XFA,0X03,0XFA,0X02,0X02,0X02,0X02,0X07,0X00,0X00,0X00,0X00,0X00,0X02,0X02,
};


void Read_busy()//读“忙”函数-----数据线的最高位DB71则busy		
{
	P0=0x00;
   	RS=0;  
   	RW=1; 
	EN=1;
	while(P0 & 0x80);
	EN=0;
}

void write_LCD_command(uchar value)	//写命令函数 
{
   Read_busy();						//对LCD的每次读写都要读忙 
   RS=0;	 						//选择命令 
   RW=0; 							//读操作 
   LCD_databus=value;
   EN=1;							//EN由1----0锁存有效数据 
   _nop_();
   _nop_(); 
   EN=0;
}

void write_LCD_data(uchar value)//写数据函数	
{
   Read_busy();
   RS=1; 						//选择数据 
   RW=0;	
   LCD_databus=value;
   EN=1;						//EN由1----0锁存有效数据 
   _nop_();		
   _nop_();
   EN=0;
}

uchar Read_LCD(void)			//读数据函数 
{
	uchar value;
	Read_busy();
	LCD_databus=0xFF;			//先进行一次空读操作 
	RS=1;
	RW=1;
	EN=1;
	_nop_();
	_nop_();
	EN=0;
	
	LCD_databus=0xFF;			//读取真正的数据 
	RS=1;
	RW=1;
	EN=1;
	value=LCD_databus;
	_nop_();
	_nop_();
	EN=0;
	
	return value; 
}

void Set_page(uchar page)		//设置“页”LCD12864共8页，一页是8行点阵点	
{
  page=0xb8|page; 				//页的首地址为0xB8
  write_LCD_command(page);
}

void Set_line(uchar startline)  //设置显示的起始行	   
{
  startline=0xC0|startline;     //起始行地址为0xC0 
  write_LCD_command(startline); //设置从哪行开始：共0--63;一般从0 行开始显示
}

void Set_column(uchar column)	//设置显示的列	
{
  column=column &0x3f; 			//列的最大值为64
  column= 0x40|column; 			//列的首地址为0x40 
  write_LCD_command(column);	//规定显示的列的位置 
}

void SetOnOff(uchar onoff)		//显示开关函数：0x3E是关显示，0x3F是开显示   
{
	onoff=0x3e|onoff; 			//onoff:1---开显示；0---关显示
	write_LCD_command(onoff);
}

void SelectScreen(uchar screen)	//选择屏幕 
{ 						 
   switch(screen)
   { 
   	 case 0: CS1=0;CS2=0;break; //全屏     
     case 1: CS1=0;CS2=1;break;//左半屏        
     case 2: CS1=1;CS2=0;break;//右半屏       
     default:break; 
   }
}

void ClearScreen(uchar screen)	//清屏函数  
{ 	
     uchar i,j;
     SelectScreen(screen);		//0--全屏；1---左半屏；2---右半屏 
	 for(i=0;i< 8;i++)	 		//控制页数0-7，共8页
	 {
        Set_page(i);
		Set_column(0);
      	for(j=0;j< 64;j++)	   //控制列数0-63，共64列
	  	{
          write_LCD_data(0x00); //写入0，地址指针自加1 
      	}
     }					 
}

void InitLCD() 					//LCD的初始化  
{ 
	SetOnOff(1); 				//开显示
	SelectScreen(0);
	ClearScreen(0);				//清屏
	Set_line(0); 				//开始行:0
}

void Draw_dots(uchar x,uchar y,uchar color)
{
	uchar x_byte;
	uchar x_bit; 
	uchar Temp_data;		//暂时存放从LCD读出的数据 
	x_byte=(y >>3);  		//计算出该点属于哪个字节 
	x_bit=y-(x_byte< <3);	//属于字节的哪一位?

	
	if(x >63)				//x >63则显示在右半屏 
	{
		SelectScreen(2);
		x=x-64;
	}
	else					//显示在左半屏 
	{
		SelectScreen(1); 
	}
	Set_page(x_byte);		//设置行地址 
	Set_column(x);			//设置列地址
 	Temp_data=Read_LCD();	//先读出没打点前LCD中的数据 
	switch(color)
	{
		case 0x01 : Temp_data &= ~(1< >=1;
	volt=ad;//取走转换结果
	volt=volt*1221;//例子的满量程为5V，转换分辩率为12位（2的12次方=4096） 。即最大值是255，5/4096=1221mV,即例子中的1V代表实际1221mV        
}

void delay(uchar ms) 
{  // 延时子程序 
uchar i; 
while(ms--) 
{ 
  for(i = 0;i< 250;i++);  
} 
}


void main()
{	
  uchar x,y;
  InitLCD();			//初始12864  
  ClearScreen(0);		//清屏
  Set_line(0);		//显示开始行
		
	Display_picture(BMP);  		//坐标图
	Display_HZ(1,0,0,da);
	Display_HZ(2,0,2,da);
	
	while(1)
	{
		
			for(x=12;x< 128;x++)			//正弦曲线
	{
		read2543(0);
	  Result = volt / 125030;
		y=56-Result;
		Draw_dots(x,y,2);
		delay(20);
	}
	Display_picture(BMP);  		//坐标图
	}
}
　　　 审核编辑：汤梓红
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