LCD12864這個東西咋個接

ID:427491 · 發表于 2018-11-17 19:53

現在有一塊lcd，請問大家，這個如何與52單片機相連用來顯示文字，麻煩說一下具體的接線方法和程序（c語言的），感謝感謝

ID:155507 · 發表于 2018-11-17 21:05

LCD12864（ST7920）線路圖

/*-----------------------------------------------
名稱：LCD12864 字庫液晶芯片組st7920
公司：
網站：
編寫：
日期：
修改： Erics C.L. YOU
內容：修改了顯示數組IC_DAT為1 3 2 4順序的bug
版本：
------------------------------------------------*/
#include <stdio.h>
#include <math.h>
#include <reg52.h>
#include <string.h>
/******************************************************************/
/* 定義數組 */
/******************************************************************/
unsigned char code IC_DAT[];
unsigned char code IC_DAT2[];
unsigned char code Photo1[];
/******************************************************************/
/* 定義接口信息 */
/******************************************************************/
sbit RS =P2^4;
sbit WRD=P2^5;
sbit E= P2^6;
sbit PSB=P2^1;
sbit RES=P2^3;
/******************************************************************/
/* 函數聲明 */
/******************************************************************/
void TransferData(char data1,bit DI);
void display(void);
void display_grapic(void);
void delayms(unsigned int n);
void DisplayLine(unsigned char line1,unsigned char line2);
void DisplayGraphic(unsigned char code *adder);
void delay(unsigned int m);
void lcd_mesg(unsigned char code *adder1);
//顯示的是1行 31行 21行 41行
unsigned char code IC_DAT[]={
"去年今日此門中，"
"人面桃花相映紅。"
"人面不知何處去，"
"桃花依舊笑春風。"
};
unsigned char code IC_DAT2[]={
"人生若只如初見，"
"何事秋風悲畫扇。"
"等閑變卻故人心，"
"卻道故人心易變。"
};
/////////////////////////////////////////////////////////////////////////
// Bitmap點陣數據表 //
// 圖片: E:\..\小豬減肥.bmp,橫向取模左高位,數據排列:從左到右從上到下 //
// 圖片尺寸: 128 * 64 //
/////////////////////////////////////////////////////////////////////////
unsigned char code Photo1[] = // 數據表
{
0x02,0x08,0x00,0x08,0x00,0x00,0x04,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xD0,0x06,0x04,0x08,0x03,0x02,0x00,0x38,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
0x41,0x00,0x09,0x43,0x00,0x04,0xA1,0x80,0x41,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,
0x42,0x00,0x29,0x00,0x00,0x14,0x80,0x00,0x8E,0x00,0xE7,0x00,0x00,0x00,0x00,0x00,
0x32,0x88,0x29,0x30,0x04,0x14,0x98,0x00,0x70,0x00,0x1C,0x80,0x00,0x00,0x00,0x00,
0x0C,0x00,0x16,0x48,0x00,0x0B,0x24,0x00,0x20,0x00,0x08,0x60,0x00,0x00,0x00,0x00,
0x00,0x20,0x4D,0x80,0x00,0x26,0xC0,0x00,0x40,0x00,0x08,0x10,0x00,0x00,0x00,0x00,
0x40,0x20,0x00,0x10,0x00,0x00,0x08,0x00,0x4C,0x00,0x08,0x10,0x00,0x00,0x00,0x00,
0x04,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x90,0x00,0x08,0x20,0x00,0x00,0x00,0x00,
0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x08,0x09,0xC0,0x00,0x00,0x00,0x00,
0x18,0x10,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x04,0x00,0x40,0x00,0x00,0x00,0x00,
0x25,0x3F,0xC3,0xFE,0x3F,0xE0,0x00,0x01,0x10,0x04,0x00,0x40,0x00,0x00,0x00,0x00,
0xA4,0x08,0x40,0x20,0x00,0x41,0x80,0x01,0x10,0x00,0x00,0x20,0x00,0x00,0x00,0x00,
0xA4,0xC8,0x47,0xFF,0x00,0x83,0xC0,0x01,0x00,0x40,0x00,0x20,0x00,0x00,0x00,0x00,
0x59,0x28,0x40,0x20,0x03,0x03,0xC0,0x02,0x00,0x40,0x00,0x20,0x00,0x00,0x00,0x00,
0x36,0x08,0x81,0xFC,0x02,0x03,0xC0,0x02,0xF0,0x40,0x10,0x20,0x00,0x00,0x00,0x00,
0x00,0x44,0x81,0x24,0x02,0x01,0x80,0x05,0x0C,0x04,0x10,0x20,0x00,0x00,0x00,0x00,
0x00,0x05,0x01,0xFC,0x02,0x01,0x80,0x05,0x42,0x00,0x14,0x40,0x00,0x00,0x00,0x00,
0x00,0x02,0x01,0x24,0x02,0x00,0x00,0x05,0x51,0x00,0x1C,0x40,0x00,0x00,0x00,0x00,
0x00,0x05,0x03,0xFE,0x02,0x01,0x80,0x04,0x91,0x03,0xC0,0x40,0x00,0x00,0x00,0x00,
0x00,0x18,0xC0,0x20,0x02,0x01,0x80,0x04,0x61,0x00,0x00,0x40,0x00,0x00,0x00,0x00,
0x02,0x60,0x37,0xFF,0x0E,0x00,0x00,0x04,0x1E,0x00,0x00,0x80,0x00,0x00,0x00,0x00,
0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,
0x40,0x7F,0xF4,0x0A,0x3B,0xF3,0xFE,0x01,0x01,0xF0,0x01,0x00,0x00,0x00,0x00,0x00,
0x38,0x05,0x02,0x0A,0x2A,0x90,0x04,0x00,0xC7,0xF8,0x02,0x00,0x00,0x00,0x00,0x00,
0x04,0x3F,0xE2,0xFF,0x2A,0x90,0x08,0x00,0x70,0xF8,0x04,0x00,0x00,0x00,0x00,0x00,
0x20,0x25,0x20,0x88,0x3A,0x90,0x30,0x00,0xC7,0x00,0x08,0x00,0x00,0x00,0x00,0x00,
0x00,0x3F,0xE2,0xF9,0x2B,0xF0,0x20,0x01,0x00,0x00,0xFE,0x00,0x00,0x00,0x00,0x00,
0x00,0x04,0x02,0x89,0x2A,0x00,0x20,0x02,0x20,0x00,0x01,0x00,0x00,0x00,0x00,0x00,
0x41,0x7F,0xF4,0xFA,0x3A,0x00,0x20,0x04,0x48,0x00,0x00,0x80,0x00,0x00,0x00,0x00,
0x18,0x08,0x84,0xD4,0x2A,0x00,0x20,0x08,0x80,0x08,0x00,0x80,0x00,0x00,0x00,0x00,
0x20,0x1D,0x05,0x75,0x2A,0x10,0x20,0x09,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,
0x40,0x03,0x85,0x4B,0x4A,0x10,0x20,0x12,0x30,0x00,0x80,0x40,0x00,0x00,0x00,0x00,
0x50,0x7C,0x62,0x11,0x5B,0xF0,0xE0,0x13,0x8F,0xC0,0x80,0x20,0x00,0x00,0x00,0x00,
0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x14,0x78,0x3F,0x00,0x20,0x00,0x00,0x00,0x00,
0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x03,0xC0,0x80,0x20,0x00,0x00,0x00,0x00,
0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x28,0x00,0x0F,0x80,0x20,0x00,0x00,0x00,0x00,
0x84,0x80,0x00,0x1C,0x08,0x0E,0x04,0x28,0x00,0x00,0x40,0x20,0x00,0x00,0x00,0x00,
0x04,0x1C,0x08,0x22,0x00,0x11,0x00,0x18,0x00,0x00,0x20,0x20,0x00,0x00,0x00,0x00,
0x02,0x22,0x00,0x21,0x00,0x10,0x80,0x08,0x00,0x00,0x20,0x20,0x00,0x00,0x00,0x00,
0xA1,0xA1,0x00,0x24,0xE0,0x12,0x70,0x10,0x00,0x00,0x30,0x20,0x00,0x00,0x00,0x00,
0x80,0x24,0xE0,0x18,0x10,0x0C,0x08,0x10,0x00,0x00,0x28,0x20,0x00,0x00,0x00,0x00,
0x98,0x18,0x10,0x00,0x80,0x00,0x40,0x10,0x08,0x00,0x25,0xE0,0x00,0x00,0x00,0x00,
0x24,0x00,0x81,0x00,0x00,0x80,0x00,0x1A,0x08,0x00,0x22,0x20,0x00,0x00,0x00,0x00,
0xC1,0x00,0x00,0x00,0x00,0x00,0x00,0x1D,0x46,0x00,0x22,0xA0,0x00,0x00,0x00,0x00,
0x08,0x00,0x00,0x01,0x04,0x00,0x82,0x0F,0x93,0x40,0x21,0x40,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
/******************************************************************/
/* 液晶初始化-字庫 */
/******************************************************************/
void initinal(void) //LCD字庫初始化程序
{
delay(40); //大于40MS的延時程序
PSB=1; //設置為8BIT并口工作模式
delay(1); //延時
RES=0; //復位
delay(1); //延時
RES=1; //復位置高
delay(10);
TransferData(0x30,0); //Extended Function Set :8BIT設置,RE=0: basic instruction set, G=0 :graphic display OFF
delay(100); //大于100uS的延時程序
TransferData(0x30,0); //Function Set
delay(37); ////大于37uS的延時程序
TransferData(0x08,0); //Display on Control
delay(100); //大于100uS的延時程序
TransferData(0x10,0); //Cursor Display Control光標設置
delay(100); //大于100uS的延時程序
TransferData(0x0C,0); //Display Control,D=1,顯示開
delay(100); //大于100uS的延時程序
TransferData(0x01,0); //Display Clear
delay(10); //大于10mS的延時程序
TransferData(0x06,0); //Enry Mode Set,光標從右向左加1位移動
delay(100); //大于100uS的延時程序
}
/******************************************************************/
/* 液晶初始化-圖形 */
/******************************************************************/
void initina2(void) //LCD顯示圖片(擴展)初始化程序
{
delay(40); //大于40MS的延時程序
PSB=1; //設置為8BIT并口工作模式
delay(1); //延時
RES=0; //復位
delay(1); //延時
RES=1; //復位置高
delay(10);
TransferData(0x36,0); //Extended Function Set RE=1: extended instruction
delay(100); //大于100uS的延時程序
TransferData(0x36,0); //Extended Function Set:RE=1: extended instruction set
delay(37); ////大于37uS的延時程序
TransferData(0x3E,0); //EXFUNCTION(DL=8BITS,RE=1,G=1)
delay(100); //大于100uS的延時程序
TransferData(0x01,0); //CLEAR SCREEN
delay(100); //大于100uS的延時程序
}
/******************************************************************/
/* 主程序 */
/******************************************************************/
void main(void)
{
while(1)
{
//initina2(); //調用LCD顯示圖片(擴展)初始化程序
// delayms(200);
// DisplayGraphic(Photo1); //顯示圖片1
// delayms(500);
initinal(); //調用LCD字庫初始化程序
delay(100); //大于100uS的延時程序
lcd_mesg(IC_DAT); //顯示中文漢字1
delayms(240);
delayms(240);
initinal(); //調用LCD字庫初始化程序
delay(100); //大于100uS的延時程序
lcd_mesg(IC_DAT2); //顯示中文漢字2
delayms(240);
delayms(240);
}
}
/******************************************************************/
/* 函數聲明 */
/******************************************************************/
void lcd_mesg(unsigned char code *adder1)
{
unsigned char i;
TransferData(0x80,0); //Set Graphic Display RAM Address
delay(100);
for(i=0;i<16;i++)
{
TransferData(*adder1,1);
adder1++;
}
TransferData(0x90,0); //Set Graphic Display RAM Address
delay(100);
for(i=0;i<16;i++)
{
TransferData(*adder1,1);
adder1++;
}
TransferData(0x88,0); //Set Graphic Display RAM Address
delay(100);
for(i=0;i<16;i++)
{
TransferData(*adder1,1);
adder1++;
}
TransferData(0x98,0); //Set Graphic Display RAM Address
delay(100);
for(i=0;i<16;i++)
{
TransferData(*adder1,1);
adder1++;
}
}
/******************************************************************/
/* 函數聲明 */
/******************************************************************/
void TransferData(char data1,bit DI) //傳送數據或者命令,當DI=0是,傳送命令,當DI=1,傳送數據.
{
WRD=0;
RS=DI;
delay(1);
P0=data1;
E=1;
delay(1);
E=0;
}
void delayms(unsigned int n) //延時10×n毫秒程序
{
unsigned int i,j;
for(i=0;i<n;i++)
for(j=0;j<2000;j++);
}
void delay(unsigned int m) //延時程序
{
unsigned int i,j;
for(i=0;i<m;i++)
for(j=0;j<10;j++);
}

復制代碼

http://www.zg4o1577.cn/bbs/dpj-50055-1.html

http://www.zg4o1577.cn/bbs/dpj-79329-1.html

ID:168851 · 發表于 2018-11-17 23:30

可以借鑒51黑中這個去看看學習學習，里面有原理圖和程序，好好學習學習，有什么不懂的可以留言問
http://www.zg4o1577.cn/bbs/dpj-85669-1.html（LCD12864大數字顯示萬年歷制作,有單片機代碼有圖有真相）

ID:111634 · 發表于 2018-11-18 08:04

本帖最后由 zl2168 于 2018-11-18 09:55 編輯

LCD12864顯示屏顯示漢字

⒈ AMPIRE 12864型LCD顯示屏簡介

⑴ 引腳功能 …

⑵ 顯示屏數據結構 …

⒉ 漢字編碼

⑴ 漢字編碼概述 …

⑵ 漢字點陣顯示代碼 …

⑶ 漢字點陣取模軟件 …

⒊ 電路和應用程序 …

⒋ Keil調試 …

⒌ Proteus仿真 …

先Proteus仿真一下，確認有效。

實驗25 LCD12864顯示屏顯示.rar (60.48 KB, 下載次數: 9)

以上摘自張志良編著《80C51單片機仿真設計實例教程——基于Keil C和Proteus》清華大學出版社ISBN 978-7-302-41682-1，內有常用的單片機應用100案例，用于仿真實驗操作，電路與程序真實可靠可信可行，可演示，可觀測，程序語句條條有注解。仿真電路和Hex文件能在清華出版社網站免費下載，程序源代碼只能到書上看了。

ID:303383 · 發表于 2018-11-18 10:20

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LCD12864這個東西咋個接