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#include<reg52.h>
#define uchar unsigned char
#define unit unsigned int
uchar code Hzk[]={
/*-- 文字: 輸 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=16x16 --*/
0x88,0x68,0x1F,0xC8,0x08,0x10,0xC8,0x54,0x52,0xD1,0x12,0x94,0x08,0xD0,0x10,0x00,
0x09,0x19,0x09,0xFF,0x05,0x00,0xFF,0x12,0x92,0xFF,0x00,0x5F,0x80,0x7F,0x00,0x00,
/*-- 文字: 出 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=16x16 --*/
0x00,0x00,0x7C,0x40,0x40,0x40,0x40,0xFF,0x40,0x40,0x40,0x40,0xFC,0x00,0x00,0x00,
0x00,0x7C,0x40,0x40,0x40,0x40,0x40,0x7F,0x40,0x40,0x40,0x40,0x40,0xFC,0x00,0x00,
/*-- 文字: 電 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=16x16 --*/
0x00,0x00,0xF8,0x88,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x88,0xF8,0x00,0x00,0x00,
0x00,0x00,0x1F,0x08,0x08,0x08,0x08,0x7F,0x88,0x88,0x88,0x88,0x9F,0x80,0xF0,0x00,
/*-- 文字: 壓 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=16x16 --*/
0x00,0x00,0xFE,0x02,0x82,0x82,0x82,0x82,0xFA,0x82,0x82,0x82,0x82,0x82,0x02,0x00,
0x80,0x60,0x1F,0x40,0x40,0x40,0x40,0x40,0x7F,0x40,0x40,0x44,0x58,0x40,0x40,0x00,
/*-- 文字: 為 --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=16x16 --*/
0x00,0x20,0x22,0x2C,0x20,0x20,0xE0,0x3F,0x20,0x20,0x20,0x20,0xE0,0x00,0x00,0x00,
0x80,0x40,0x20,0x10,0x08,0x06,0x01,0x00,0x01,0x46,0x80,0x40,0x3F,0x00,0x00,0x00,
};
#define LCD_databus P0
uchar num;
long int sum;
sbit EN=P2^0;
sbit RW=P2^1;
sbit RS=P2^2;
sbit CS2=P2^3;
sbit CS1=P2^4;
sbit ST=P3^0;
sbit OE=P3^1;
sbit EOC=P3^2;
sbit CLK=P3^3;
void delay1ms()
{
uchar a,b;
for(b=105;b>0;b--)
for(a=8;a>0;a--);
}
void Read_busy()
{
uchar dat;//狀態信息（判斷是否忙）
RS=0; // 數據\指令選擇，D/I（RS）=“L” ，表示 DB7∽DB0 為顯示指令數據
RW=1; //R/W=“H” ，E=“H”數據被讀到DB7∽DB0
do{
LCD_databus=0x00;
EN=1; //EN下降沿
dat=LCD_databus;
EN=0;
dat=0x80 & dat; //僅當第7位為0時才可操作(判別busy信號)
}while(!(dat==0x00));
}
void write_LCD_command(uchar value)
{
Read_busy();
RS=0;
RW=0;
LCD_databus=value;
EN=1;
delay1ms();
EN=0;
}
void write_LCD_data(uchar value)
{
Read_busy();
RS=1;
RW=0;
LCD_databus=value;
EN=1;
delay1ms();
EN=0;
}
void Set_page(uchar page)
{
page=0xb8|page;
write_LCD_command(page);
}
void Set_line(uchar startline)
{
startline=0xc0|startline;
write_LCD_command(startline);
}
void Set_lie(uchar lie)
{
lie=lie&0x3f;
lie=0x40|lie;
write_LCD_command(lie);
}
void Setonoff(uchar onoff)
{
onoff=0x3e|onoff;
write_LCD_command(onoff);
}
void SelectScreen(uchar screen)
{
switch(screen)
{
case 0:CS1=0;CS2=0 ;break;
case 1:CS1=0;CS2=1 ;break;
case 2:CS1=1;CS2=0 ;break;
default: break;
}
}
void ClearScreen(uchar screen)
{
uchar i,j;
SelectScreen(screen);
for(i=0;i<8;i++)
{
Set_page(i);
Set_lie(0);
for(j=0;j<64;j++)
{
write_LCD_data(0x00);
}
}
}
void Display(uchar ss,uchar page,uchar lie,uchar number)
{
int i; //選屏參數，page選頁參數，column選列參數，number選第幾漢字輸出
SelectScreen(ss);
lie=lie&0x3f;
Set_page(page); //寫上半頁
Set_lie(lie); //控制列
for(i=0;i<16;i++) //控制16列的數據輸出
{write_LCD_data(Hzk[i+32*number]);} //i+32*number漢字的前16個數據輸出
Set_page(page+1); //寫下半頁
Set_lie(lie); //控制列
for(i=0;i<16;i++) //控制16列的數據輸出
{write_LCD_data(Hzk[i+32*number+16]);}//i+32*number+16漢字的后16個數據輸出
}
void Init()
{
Read_busy();
SelectScreen(0);
Setonoff(0);
SelectScreen(0);
Setonoff(1);
SelectScreen(0);
ClearScreen(0);
Set_line(0);
}
void Init1()
{
EA=1;
TMOD=0x01;
TH0=(65536-150)/256;
TL0=(65536-150)%256;
ET0=1;
TR0=1;
}
void main()
{
Init();
ClearScreen(0);
Set_line(0);
Init1();
OE=1;
ST=0;
ST=1;
ST=0;//啟動轉換
while(EOC==0); //等待轉換結果
OE=1; //允許輸出
sum=P1*1.0/255*5000;
LCD_databus=sum;
Display(0,0,16,LCD_databus);
while(1);
}
void Timer0() interrupt 1
{
TH0=(65536-150)/256;
TL0=(65536-150)%256;
CLK=~CLK;//ADC0809時鐘信號
}

復制代碼

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