Proteus:簡易示波器
視頻鏈接：https://www.bilibili.com/video/BV1sr4y1C7tH
#include "reg52.h" //此文件中定義了單片機的一些特殊功能寄存器
#include
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
typedef unsigned int u16; //對數(shù)據(jù)類型進行聲明定義
typedef unsigned char u8;
sbit CLK=P3^3;//定義時鐘信號口
sbit DIN=P3^1;//定義2543數(shù)據(jù)寫入口
sbit DOUT=P3^0;//定義2543數(shù)據(jù)讀取口
sbit CS=P3^2;//定義2543片選信號口
#define LCD_databus P0 //LCD12864的8位數(shù)據(jù)口
sbit RS=P2^2; //RS為0---命令；1----數(shù)據(jù)
sbit RW=P2^1; //RW為1---寫；0---讀
sbit EN=P2^0; //使能端
sbit CS1=P2^4; //片選1低電平有效，控制左半屏
sbit CS2=P2^3; //片選1低電平有效，控制右半屏
ulong volt;//測量的電壓值
ulong Result;
unsigned char code da[]={/*-- 文字: 大 --*/
/*-- 楷體_GB231212; 此字體下對應的點陣為：寬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]={/*-- 調(diào)入了一幅圖像：D:Desktop12848坐標.BMP --*/
/*-- 寬度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()//讀“忙”函數(shù)-----數(shù)據(jù)線的最高位DB71則busy
{
P0=0x00;
RS=0;
RW=1;
EN=1;
while(P0 & 0x80);
EN=0;
}
void write_LCD_command(uchar value) //寫命令函數(shù)
{
Read_busy(); //對LCD的每次讀寫都要讀忙
RS=0; //選擇命令
RW=0; //讀操作
LCD_databus=value;
EN=1; //EN由1----0鎖存有效數(shù)據(jù)
_nop_();
_nop_();
EN=0;
}
void write_LCD_data(uchar value)//寫數(shù)據(jù)函數(shù)
{
Read_busy();
RS=1; //選擇數(shù)據(jù)
RW=0;
LCD_databus=value;
EN=1; //EN由1----0鎖存有效數(shù)據(jù)
_nop_();
_nop_();
EN=0;
}
uchar Read_LCD(void) //讀數(shù)據(jù)函數(shù)
{
uchar value;
Read_busy();
LCD_databus=0xFF; //先進行一次空讀操作
RS=1;
RW=1;
EN=1;
_nop_();
_nop_();
EN=0;
LCD_databus=0xFF; //讀取真正的數(shù)據(jù)
RS=1;
RW=1;
EN=1;
value=LCD_databus;
_nop_();
_nop_();
EN=0;
return value;
}
void Set_page(uchar page) //設置“頁”LCD12864共8頁，一頁是8行點陣點
{
page=0xb8|page; //頁的首地址為0xB8
write_LCD_command(page);
}
void Set_line(uchar startline) //設置顯示的起始行
{
startline=0xC0|startline; //起始行地址為0xC0
write_LCD_command(startline); //設置從哪行開始：共0--63;一般從0 行開始顯示
}
void Set_column(uchar column) //設置顯示的列
{
column=column &0x3f; //列的最大值為64
column= 0x40|column; //列的首地址為0x40
write_LCD_command(column); //規(guī)定顯示的列的位置
}
void SetOnOff(uchar onoff) //顯示開關函數(shù)：0x3E是關顯示，0x3F是開顯示
{
onoff=0x3e|onoff; //onoff:1---開顯示；0---關顯示
write_LCD_command(onoff);
}
void SelectScreen(uchar screen) //選擇屏幕
{
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) //清屏函數(shù)
{
uchar i,j;
SelectScreen(screen); //0--全屏；1---左半屏；2---右半屏
for(i=0;i>3); //計算出該點屬于哪個字節(jié)
x_bit=y-(x_byte63) //x>63則顯示在右半屏
{
SelectScreen(2);
x=x-64;
}
else //顯示在左半屏
{
SelectScreen(1);
}
Set_page(x_byte); //設置行地址
Set_column(x); //設置列地址
Temp_data=Read_LCD(); //先讀出沒打點前LCD中的數(shù)據(jù)
switch(color)
{
case 0x01 : Temp_data &= ~(1=1;
volt=ad;//取走轉換結果
volt=volt*1221;//例子的滿量程為5V，轉換分辯率為12位（2的12次方=4096） 。即最大值是255，5/4096=1221mV,即例子中的1V代表實際1221mV
}
void delay(uchar ms)
{ // 延時子程序
uchar i;
while(ms--)
{
for(i = 0;i
審核編輯：湯梓紅);break;>
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