單片機控制LCD12864

ID:176586 · 發表于 2017-3-26 17:32

經典LCD12864仿真

#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
unsigned char code xi[]= // xi
{
0x00,0x00,0x22,0x32,0x2A,0xA6,0xA2,0x62,0x21,0x11,0x09,0x81,0x01,0x00,0x00,0x00,
0x00,0x42,0x22,0x13,0x0B,0x42,0x82,0x7E,0x02,0x02,0x0A,0x12,0x23,0x46,0x00,0x00,
};
unsigned char code tong[]= // tong
{
0x20,0x30,0xAC,0x63,0x30,0x00,0x88,0xC8,0xA8,0x99,0x8E,0x88,0xA8,0xC8,0x88,0x00,
0x22,0x67,0x22,0x12,0x12,0x80,0x40,0x30,0x0F,0x00,0x00,0x3F,0x40,0x40,0x71,0x00,
};
unsigned char code chu[]= // chu
{
0x08,0x08,0x89,0xEA,0x18,0x88,0x00,0x04,0x04,0xFC,0x04,0x04,0x04,0xFC,0x00,0x00,
0x02,0x01,0x00,0xFF,0x01,0x86,0x40,0x20,0x18,0x07,0x40,0x80,0x40,0x3F,0x00,0x00,
};
unsigned char code shi[]= // shi
{
0x10,0x10,0xF0,0x1F,0x10,0xF0,0x00,0x40,0xE0,0x58,0x47,0x40,0x50,0x60,0xC0,0x00,
0x40,0x22,0x15,0x08,0x16,0x21,0x00,0x00,0xFE,0x42,0x42,0x42,0x42,0xFE,0x00,0x00,
};
unsigned char code hua[]= // hua
{
0x00,0x80,0x60,0xF8,0x07,0x00,0x00,0x00,0xFF,0x40,0x20,0x10,0x08,0x04,0x00,0x00,
0x01,0x00,0x00,0xFF,0x00,0x04,0x02,0x01,0x3F,0x40,0x40,0x40,0x40,0x40,0x78,0x00,
};
unsigned char code qi[]= // qi
{
0x00,0x00,0x00,0xFC,0x44,0x44,0x44,0x45,0x46,0x44,0x44,0x44,0x44,0x7C,0x00,0x00,
0x40,0x20,0x18,0x07,0x00,0xFC,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0xFC,0x00,0x00,
};
unsigned char code dong[]= // dong
{
0x40,0x44,0xC4,0x44,0x44,0x44,0x40,0x10,0x10,0xFF,0x10,0x10,0x10,0xF0,0x00,0x00,
0x10,0x3C,0x13,0x10,0x14,0xB8,0x40,0x30,0x0E,0x01,0x40,0x80,0x40,0x3F,0x00,0x00,
};
unsigned char code kong[]= // dong
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
unsigned char code shu[]= // dong
{
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,
/*-- 文字: 1 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,
/*-- 文字: 2 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x70,0x08,0x08,0x08,0x08,0xF0,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,
/*-- 文字: 3 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x30,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x18,0x20,0x21,0x21,0x22,0x1C,0x00,
/*-- 文字: 4 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x00,0x80,0x40,0x30,0xF8,0x00,0x00,0x00,0x06,0x05,0x24,0x24,0x3F,0x24,0x24,
/*-- 文字: 5 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0xF8,0x88,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x20,0x20,0x20,0x11,0x0E,0x00,
/*-- 文字: 6 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0xE0,0x10,0x88,0x88,0x90,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x20,0x1F,0x00,
/*-- 文字: 7 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x18,0x08,0x08,0x88,0x68,0x18,0x00,0x00,0x00,0x00,0x3E,0x01,0x00,0x00,0x00,
/*-- 文字: 8 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,
/*-- 文字: 9 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0xF0,0x08,0x08,0x08,0x10,0xE0,0x00,0x00,0x01,0x12,0x22,0x22,0x11,0x0F,0x00,
};
sbit CS1=P2^0;//片選1,低電平有效，CS1=0開左屏幕，CS1=1關左屏幕
sbit CS2=P2^1;//片選2，低電平有效，CS2=0開右屏幕，CS2=1關右屏幕
sbit RS=P2^2;//數據，指令選擇信號，RS=1為數據操作，RS=0為寫指令或讀狀態（一般為讀忙標志）
sbit RW=P2^3;//讀寫選擇信號，RW=1為讀選通，RW=0為寫選通
sbit EN=P2^4;//讀寫使能信號
sbit k1=P1^0;
void wcmd(uchar cmd)//寫命令
{
RS=0;
RW=0;
P0=cmd;
EN=1;_nop_();_nop_();//在EN下降沿寫入數據和指令
EN=0;
}
void wdata(uchar dat) //寫命令和寫數據只在RS=0或RS=1上不同，其余都相同
{
//busy();
RS=1;
RW=0;
P0=dat;
EN=1;_nop_();_nop_();//在EN下降沿寫入數據和指令
EN=0;
}
void set_page(uchar page)//設置頁，12864LCD共有8頁，每頁有8行點陣點。
{page=0xb8|page; //首頁地址為0XB8
wcmd(page); //page取值范圍為0~7,表示第1到8頁
}
void set_line(uchar line)//設置顯示的起始行，共有0--63行，一般從0行開始顯示
{line=0xc0|line; //起始行地址0XC0
wcmd(line); //line取值范圍為0~63，表示第1到64行
}
void set_column(uchar column)//設置顯示的列
{//column=column&0x3f; //列的最大值為0X3F，即64
column=0x40|column; //列的首地址為0X40,
wcmd(column); //column的取值范圍為0~63，共64列
}
void set_onoff(uchar onoff)//設置顯示開關，onoff取值為0或1
{onoff|=0x3e;//0X3E是關顯示，0X3F是開顯示
wcmd(onoff);//所以若onoff為0，則表示關顯示，onoff為1，則表示開顯示
}
void select_screen(uchar screen)//選屏，screen取值范圍為0,1,2
{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 clear_screen(uchar screen)//清屏
{uchar i,j;
select_screen(screen);//先選屏
for(i=0;i<8;i++)//控制頁數0--7，共8頁
{set_page(i);//設置頁
set_column(0); //設置列，每頁都從第1列開始，共64列
for(j=0;j<64;j++)//控制列數0--63，共64列
wdata(0x00);//寫入0，列地址指針會自動加1
}
}
void init() //LCD初始化
{
select_screen(0);//選屏，全屏
set_onoff(0); //關顯示
select_screen(0); //選屏，全屏
set_onoff(1); //開顯示
select_screen(0); //選屏，全屏
clear_screen(0); //清屏
set_line(0); //起始行：0
}
void show(uchar screen,uchar page,uchar column,uchar *p)//顯示一個漢字，一個漢字有32字節數據
{uchar i; //screen表示選擇屏幕，page表示頁，column表示列，*p表示漢字的數組
select_screen(screen); //選屏
set_page(page); //設置頁，寫上半頁
set_column(column);//設置列
for(i=0;i<16;i++) //控制16列的數據輸出
wdata(p[i]); //漢字的上半部分
set_page(page+1); //寫下半頁
set_column(column); //控制列
for(i=0;i<16;i++) //控制16列的數據輸出
wdata(p[i+16]); //漢字的下半部分
}
void show8(uchar screen,uchar page,uchar column,int qq)//顯示一個漢字，一個漢字有32字節數據
{uchar i; //screen表示選擇屏幕，page表示頁，column表示列，*p表示漢字的數組
select_screen(screen); //選屏
set_page(page); //設置頁，寫上半頁
set_column(column);//設置列
for(i=0;i<8;i++) //控制16列的數據輸出
wdata(shu[i+qq*16]); //漢字的上半部分
set_page(page+1); //寫下半頁
set_column(column); //控制列
for(i=0;i<8;i++) //控制16列的數據輸出
wdata(shu[i+8+qq*16]); //漢字的下半部分
}
void main()
{init(); //LCD初始化
clear_screen(0); //清屏
show(1,0,0,xi);//顯示“初”
show(1,0,16,tong);//顯示“始”
show(1,0,32,chu);//顯示“化”
show(1,0,48,shi);//顯示“化”
show(2,0,0,hua);//顯示“化”
while(1)
{
show8(2,0,32,3);//顯示“化”
if(k1==0)
{
show(1,0,48,qi);//顯示“啟”
show(2,0,0,dong);//顯示“動
show(1,0,32,kong);//顯示“ ”
}
}
}

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仿真工程文件及源碼下載：

128641.rar (58.04 KB, 下載次數: 9)

ID:219500 · 發表于 2017-7-15 20:44

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單片機控制LCD12864

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