STC8H单片机驱动ST7565R 12864 LCD的测试代码 -

#include <reg51.h>
sfr P3M0 = 0xB2;
sfr P3M1 = 0xB1;
sfr P_SW1 = 0xA2;
sbit CS=P3^5;
sbit RESET=P3^7;
sbit CD=P3^6;
sbit SCL=P3^2;
sbit SDA=P3^4;
sbit KEY_PRESS=P1^3;
sbit DEC_KEY=P1^2;
sbit EXIT_KEY=P1^1;
/**********************************/
/* Parameter Define */
/**********************************/
#define CONTRAST=0x0C
#define DATA0=0x40
#define DATA1=0x41
unsigned char page_width;
unsigned char seg_width;
unsigned char Buf_1,Buf_2,Buf_3,conversion;
unsigned char *char_point;
int contrast;
/**********************************/
/* Picture data */
/**********************************/
unsigned char code row_table[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
unsigned char code char_0[]={62,65,65,62,0 };
unsigned char code char_1[]={0,66,127,64,0 };
unsigned char code char_2[]={98,81,73,70,0};
unsigned char code char_3[]={34,73,73,54,0 };
unsigned char code char_4[]={28,18,127,16,0 };
unsigned char code char_5[]={39,69,69,57,0};
unsigned char code char_6[]={62,73,73,50,0};
unsigned char code char_7[]={1,121,7,1,0};
unsigned char code char_8[]={54,73,73,54,0 };
unsigned char code char_9[]={6,73,73,62,0};
/**********************************/
/* Time Delay */
/**********************************/
void Delay(long i)
{
while(i!=0)
{
i--;
}
}
/**********************************/
/* Transfer Commmand */
/**********************************/
void Write_Command(unsigned char command)
{
int i,j;
j=0x80;
CS=0;
CD=0;
for(i=0;i<8;i++)
{
SCL=0;
if(command&j)SDA=1;
else SDA=0;
SCL=1;
j=j>>1;
}
CS=1;
}
/**********************************/
/* Transfer Data */
/**********************************/
void Write_Data(unsigned char data1)
{
int i,j;
j=0x80;
CS=0;
CD=1;
for(i=0;i<8;i++)
{
SCL=0;
if(data1&j)SDA=1;
else SDA=0;
SCL=1;
j=j>>1;
}
CS=1;
}
//-------------------------------------------------------------------
void Set_column_addr(unsigned char add)
{
unsigned char temp;
temp=add;
add=add>>4;
add=add&0x0f;
add=add|0x10;
Write_Command(add); //Set upper addr;
add=temp;
add=add&0x0F;
Write_Command(add); //Set lower addr;
}
//-----------------------------------------------------------------
void Set_row_addr(unsigned char row)
{
row=row&0x0F;
row=row|0x0B0;
Write_Command(row); //page addr set
}
/**********************************/
/* LCD Initial Code */
/**********************************/
void Lcd_Set()
{
RESET=0;
Delay(1000);
RESET=1;
Delay(1000);
Write_Command(0xE2); //Software Reset
Write_Command(0xA2); //Set Bias 0xA2
Write_Command(0xA0); //Segment Direction Select ,bit0=1,reverse;=0,normal;
Write_Command(0xC8); //Common Direction Select,bit3=1,reverse direction;=0,normal;
Write_Command(0x2C); //Power Control Set
Delay(10);
Write_Command(0x2E); //Power Control Set
Delay(10);
Write_Command(0x2F); //Power Control Set
Delay(10);
Write_Command(0x24); //set ra/rb 0x25
Write_Command(0x81); //Set Contrast
Write_Command(0x2C); //29
Write_Command(0xAF); //Display ON
}
/**********************************/
/* Clear Display */
/**********************************/
void Display_Clear(data1,data2)
{
int i,j,m;
m=0xb0;
for(i=0;i<9;i++)
{
Write_Command(m);
Write_Command(0x10);
Write_Command(0x00);
for(j=0;j<66;j++)
{
Write_Data(data1);
Write_Data(data2);
}
m++;
}
}
void show_three_h_bar(int row)
{
int i,page,row_data;
page=row/8;
i=row%8;
row_data=row_table[i];
Set_row_addr(page-1); //清除前一条横线
Set_column_addr(00);
for(i=0;i<132;i++)
{
Write_Data(0x00);
}
Set_row_addr(page); //清除前一条横线
Set_column_addr(00);
for(i=0;i<132;i++)
{
Write_Data(0x00);
}
Set_row_addr(page);
Set_column_addr(00);
for(i=0;i<132;i++)
{
Write_Data(row_data);
}
}
/**********************************/
/* three vertical bar */
/**********************************/
void show_three_v_bar(int bar)
{
int i;
Set_column_addr(bar-1);
for(i=0;i<9;i++)
{
Set_row_addr(i);
Set_column_addr(bar-1);
Write_Data(0x00);
}
Set_column_addr(bar);
for(i=0;i<9;i++)
{
Set_row_addr(i);
Set_column_addr(bar);
Write_Data(0x0ff);
}
for(i=0;i<9;i++)
{
Set_row_addr(i);
Set_column_addr(bar+1);
Write_Data(0x0ff);
}
for(i=0;i<9;i++)
{
Set_row_addr(i);
Set_column_addr(bar+2);
Write_Data(0x0ff);
}
}
/**********************************/
/* one vertical bar */
/**********************************/
void show_one_v_bar(int bar)
{
int i;
Set_column_addr(bar-1);
for(i=0;i<9;i++)
{
Set_row_addr(i);
Set_column_addr(bar-1);
Write_Data(0x00);
}
Set_column_addr(bar);
for(i=0;i<9;i++)
{
Set_row_addr(i);
Set_column_addr(bar);
Write_Data(0x0ff);
}
}
/**********************************/
/* one horizontal bar */
/**********************************/
void show_one_h_bar(int row)
{
int i,page,row_data;
page=row/8;
i=row%8;
row_data=row_table[i];
Set_row_addr(page-1); //清除前一条横线
Set_column_addr(00);
for(i=0;i<132;i++)
{
Write_Data(0x00);
}
Set_row_addr(page); //清除前一条横线
Set_column_addr(00);
for(i=0;i<132;i++)
{
Write_Data(0x00);
}
Set_row_addr(page);
Set_column_addr(00);
for(i=0;i<132;i++)
{
Write_Data(row_data);
}
}
/**********************************/
/* Display Font */
/**********************************/
void Display_Font(unsigned char page0,seg0,unsigned char *p)
{
int i,m,n;
m=((seg0&0xf0)>>4)|0x10;
n=seg0&0x0f;
Write_Command(page0);
Write_Command(m);
Write_Command(n);
for(i=0;i<5;i++)
{
Write_Data(*p++);
}
}
/**********************************/
/* Display Hanzi */
/**********************************/
void Display_Hanzi(unsigned char page0,seg0,unsigned char *p)
{
int i,m,n;
m=((seg0&0xf0)>>4)|0x10;
n=seg0&0x0f;
Write_Command(page0);
Write_Command(m);
Write_Command(n);
for(i=0;i<16;i++)
{
Write_Data(*p++);
}
m=((seg0&0xf0)>>4)|0x10;
n=seg0&0x0f;
Write_Command(page0+1);
Write_Command(m);
Write_Command(n);
for(i=0;i<16;i++)
{
Write_Data(*p++);
}
}
/**********************************/
/* Display Character */
/**********************************/
void Display_Character(unsigned char page0,seg0,unsigned char *p0)
{
int step0=10;
int step1=5;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
seg0=seg0+step0;
p0=p0+step1;
Display_Font(page0,seg0,p0);
}
void Show_one_char(unsigned char xs,unsigned char page,unsigned char *p)
{
int i;
Set_column_addr(xs); //column addr set
Set_row_addr(page);
for(i=0;i<5;i++) //5X8 font
{
Write_Data(*(p++));
//Write_Data(*(p++));
}
}
void Conversion_T0_char(int number)
{
Buf_1=number/100;
conversion=number%100;
Buf_2=conversion/10;
Buf_3=conversion%10;
}
char *Get_addr(int num)
{
unsigned char *pt;
switch(num)
{
case 0: pt=char_0;break;
case 1: pt=char_1;break;
case 2: pt=char_2;break;
case 3: pt=char_3;break;
case 4: pt=char_4;break;
case 5: pt=char_5;break;
case 6: pt=char_6;break;
case 7: pt=char_7;break;
case 8: pt=char_8;break;
case 9: pt=char_9;break;
}
return pt;
}
void show_three_number(unsigned char x,y,int n)
{
Conversion_T0_char(n);
char_point=Get_addr(Buf_1);
Show_one_char(x,y,char_point);
char_point=Get_addr(Buf_2);
x=x+5;
Show_one_char(x,y,char_point);
char_point=Get_addr(Buf_3);
x=x+5;
Show_one_char(x,y,char_point);
}
void Wait_Press()
{
while(KEY_PRESS);
Delay(0x5000);
}
/**********************************/
/* Draw a image */
/**********************************/
void Display_Image(unsigned char page0,seg0,pagew,segw,unsigned char *p)
{
int i,j,m,n;
m=((seg0&0xf0)>>4)|0x10;
n=seg0&0x0f;
for(i=0;i<pagew;i++)
{
Write_Command(page0);
Write_Command(m);
Write_Command(n);
for(j=0;j<segw;j++)
{
Write_Data(*(p++));
}
page0++;
}
}
//REGULATE CONTRAST
void Regulate_contrast()
{
while(EXIT_KEY&&01)
{
if(KEY_PRESS==0)
{
contrast=contrast+1;
Write_Command(0x81); //Set Contrast
Write_Command(contrast);
Delay(0x5000);
}
if(DEC_KEY==0)
{
contrast=contrast-1;
Write_Command(0x81); //Set Contrast
Write_Command(contrast);
Delay(0x5000);
}
}
}
void main()
{
int i;
int j=0x40;
contrast=0x0C;
//P_SW1 |= 0x0C;
P3M0 = 0x00;
P3M1 = 0x00;
Lcd_Set();
while(1)
{
Display_Image(0xb0,0x01,8,128,description1);
Wait_Press(); //Delay(0x5000);
Display_Image(0xb0,0x01,8,128,description2);
Wait_Press(); //Delay(0x5000);
Display_Image(0xb0,0x01,8,128,description3);
Wait_Press(); //Delay(0x5000);
Display_Image(0xb0,0x01,8,128,description4);
Wait_Press(); //Delay(0x5000);
Display_Image(0xb0,0x01,8,128,description5);
Wait_Press(); //Delay(0x5000);
Display_Clear(0x00,0x00);
Display_Clear(0x55,0xaa); //SNOW
Wait_Press();
Display_Clear(0x00,0x00);
Display_Clear(0xFF,0xFF); //BLACK
Wait_Press();
Display_Clear(0x00,0x00);
Display_Clear(0xff,0x00); //V_BAR
Wait_Press();
Display_Clear(0x00,0x00);
Display_Clear(0x55,0x55); //H_BAR
Wait_Press();
Display_Clear(0x00,0x00);
//Display_Clear(0xFF,0xFF); //BLACK
for(i=0;i<65;i++)
{
show_one_h_bar(i);
show_three_number(4,3,i);
Wait_Press();
}
}
}

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