液晶显示.c

这是一个用于驱动192×168液晶的程序

#include <reg52.h>
#include <intrins.h>

#define RS P1^0 /*"H" is send or read the data;"L" is the instruction*/
#define RW P1^1
#define E P2^5 /*Operation enable*/
#define CS1 P1^2
#define CS2 P1^3
#define CS3 P1^4

#define DATA P0 
#define uchar unsigned char
#define uint unsigned int

/*----------------------------------------------------------------------------
Delay some time
------------------------------------------------------------------------------*/
void delay10ms(unsigned char x)
{
unsigned char i,j,k;
for(i=0;i<x;i++)
for(j=0;j<10;j++)
for(k=0;k<120;k++);
}
/*----------------------------------------------------------------------------
Send the instruction to the First KS0108 window
------------------------------------------------------------------------------
--*/
void OutFI(uchar i)
{ 
unsigned char data_sta;
do{ 
E=0;
RW=1;
RS=0;
CS1=0;
_nop_();
E=1;
_nop_();
data_sta=DATA;
E=0;
RW=0;
CS1=1;
E=1;
}while(data_sta&0x80);
E=0;
RW=0;
RS=0;
CS1=0;
_nop_();
E=1;
_nop_();
DATA=i;
_nop_();
E=0;
RW=1;
CS1=1;
E=1; 
}
/*----------------------------------------------------------------------------
Send the instruction to the Second KS0108 window.
------------------------------------------------------------------------------
--*/
void OutSI(uchar i)
{ 
unsigned char data_sta;
do{ 
E=0;RW=1;RS=0;CS2=0;_nop_();
E=1;_nop_();
data_sta=DATA;
E=0;RW=0;CS2=1;E=1;
}while(data_sta&0x80);
E=0;RW=0;RS=0;CS2=0;_nop_();
E=1;_nop_();
DATA=i;
_nop_();E=0;RW=1;CS2=1;E=1; 
}
/*----------------------------------------------------------------------------
Send the instruction to the Third KS0108 window
------------------------------------------------------------------------------
--*/
void OutTI(uchar i)
{ 
unsigned char data_sta;
do{ 
E=0;RW=1;RS=0;CS3=0;_nop_();
E=1;_nop_();
data_sta=DATA;
E=0;RW=0;CS3=1;E=1;
}while(data_sta&0x80);
E=0;RW=0;RS=0;CS3=0;_nop_();
E=1;_nop_();
DATA=i;
_nop_();E=0;RW=1;CS3=1;E=1; 
}
/*----------------------------------------------------------------------------
Send the data to the First ks0108 Window
------------------------------------------------------------------------------
--*/
void OutFD(uchar i)
{ 
unsigned char data_sta;
do{ 
E=0;RW=1;RS=0;CS1=0;_nop_();
E=1;_nop_();
data_sta=DATA;
E=0;RW=0;CS1=1;E=1;
}while(data_sta&0x80);
E=0;RW=0;RS=1;CS1=0;_nop_();
E=1;_nop_();
DATA=i;
_nop_();E=0;RW=1;CS1=1;E=1; 
}
/*----------------------------------------------------------------------------
Send the data to the Second ks0108 Window
------------------------------------------------------------------------------
--*/
void OutSD(uchar i)
{ 
unsigned char data_sta;
do{ 
E=0;RW=1;RS=0;CS2=0;_nop_();
E=1;_nop_();
data_sta=DATA;
E=0;RW=0;CS2=1;E=1;
}while(data_sta&0x80);
E=0;RW=0;RS=1;CS2=0;_nop_();
E=1;_nop_();
DATA=i;
_nop_();E=0;RW=1;CS2=1;E=1; 
}
/*----------------------------------------------------------------------------
Send the data to the Third ks0108 Window
------------------------------------------------------------------------------
--*/
void OutTD(uchar i)
{ 
unsigned char data_sta;
do{ 
E=0;RW=1;RS=0;CS3=0;_nop_();
E=1;_nop_();
data_sta=DATA;
E=0;RW=0;CS3=1;E=1;
}while(data_sta&0x80);
E=0;RW=0;RS=1;CS3=0;_nop_();
E=1;_nop_();
DATA=i;
_nop_();E=0;RW=1;CS3=1;E=1; 
}
/*----------------------------------------------------------------------------
Read the data to the First ks0108 Window
------------------------------------------------------------------------------
--*/
unsigned char RD_data_F()
{ 
unsigned char data_sta;
do{ 
E=0;RW=1;RS=0;CS1=0;_nop_();
E=1;_nop_();
data_sta=DATA;
E=0;RW=0;CS1=1;E=1;
}while(data_sta&0x80);
E=0;RW=1;RS=1;CS1=0;_nop_();
E=1;_nop_();_nop_();_nop_();
data_sta=DATA;
_nop_();E=0;RW=0;CS1=1;E=1; 
return (data_sta);
}
/*----------------------------------------------------------------------------
Read the data to the Second ks0108 Window
------------------------------------------------------------------------------
--*/
unsigned char RD_data_S()
{ 
unsigned char data_sta;
do{ 
E=0;RW=1;RS=0;CS2=0;_nop_();
E=1;_nop_();_nop_();_nop_();
data_sta=DATA;
E=0;RW=0;CS2=1;E=1;
}while(data_sta&0x80);
E=0;RW=1;RS=1;CS2=0;_nop_();
E=1;_nop_();
data_sta=DATA;
_nop_();E=0;CS2=1;E=1; 
return (data_sta);
}
/*----------------------------------------------------------------------------
Read the data to the Third ks0108 Window
------------------------------------------------------------------------------
--*/
unsigned char RD_data_T()
{ 
unsigned char data_sta;
do{ 
E=0;RW=1;RS=0;CS3=0;_nop_();
E=1;_nop_();_nop_();_nop_();
data_sta=DATA;
E=0;RW=0;CS3=1;E=1;
}while(data_sta&0x80);
E=0;RW=1;RS=1;CS3=0;_nop_();
E=1;_nop_();
data_sta=DATA;
_nop_();E=0;CS3=1;E=1; 
return(data_sta);
}
/*------------------------------------------------------------------------------
Initialize the LCD,The system reset,invoke First time
--------------------------------------------------------------------------------
-*/
void InitLCD()
{
OutFI(0x40); /*Set the Y address 0 */
OutSI(0x40);
OutTI(0x40);
OutFI(0xb8); /*Set the Page 0 */
OutSI(0xb8);
OutTI(0xb8); 
OutFI(0xc0); /*Set the display start line 0 */
OutSI(0xc0);
OutTI(0xc0); 
OutFI(0x3f); /*Display ON */
OutSI(0x3f);
OutTI(0x3f); 
}
/*------------------------------------------------------------------------------
Clear the three ks0108's display ram. 
Clrscr screen
--------------------------------------------------------------------------------
-*/
void Clrscreen()
{
unsigned char i,j;
for(i=0;i<8;i++)
{
OutFI(0xb8|i); 
for(j=0;j<64;j++)
{
OutFI(j|0x40);
OutFD(0);
}
}
for(i=0;i<8;i++)
{
OutSI(0xb8|i); 
for(j=0;j<64;j++)
{
OutSI(j|0x40);
OutSD(0);
}
}
for(i=0;i<8;i++)
{
OutTI(0xb8|i); 
for(j=0;j<64;j++)
{
OutTI(j|0x40);
OutTD(0);
}
}
}
/*------------------------------------------------------------------------------
--
Display Chinese ideograph;x_add is the x address;It has 4 layers,0,1,2,3;
Width is the Chinese ideograph width;bmp is the table's name 
--------------------------------------------------------------------------------
-*/
void DrawBmp(uchar x_add,uchar layer,uchar width,uchar *bmp)
{ 
unsigned char x;
unsigned int i=0;
for(x=x_add;x<x_add+width;x++)
{
if (x>127) /*The Third KS0108*/
{
OutTI((x-128)|0x40); /*Set the x address*/
OutTI(layer|0xb8); /*Set the y address*/
OutTD(bmp[i]); /*Send thd data to LCD ram*/
OutTI((x-128)|0x40); /*Display the down screen*/
OutTI((layer|0xb8)+1); 
i++; /*Display zimo table address add 1*/
OutTD(bmp[i]);
}
else if (x>63) /*The Second ks0108*/ 
{
OutSI((x-64)|0x40);
OutSI(layer|0xb8);
OutSD(bmp[i]);

OutSI((x-64)|0x40);
OutSI((layer|0xb8)+1); 
i++;
OutSD(bmp[i]);
}
else /*The First ks0108*/
{
OutFI(x|0x40);
OutFI(layer|0xb8);
OutFD(bmp[i]);
OutFI(x|0x40);
OutFI((layer|0xb8)+1); 
i++; 
OutFD(bmp[i]);
}
i++;
}
}
/*------------------------------------------------------------------------------
--
Display Chinese ideograph;x_add is the x address;It has 4 layers,0,1,2,3;
Width is the Chinese ideograph width;bmp is the table's name. 
--------------------------------------------------------------------------------
-*/
void DrawBmp_f(uchar x_add,uchar layer,uchar width,uchar *bmp)
{ 
unsigned char x;
unsigned int i=0;
for(x=x_add;x<x_add+width;x++)
{
if (x>127)
{
OutTI((x-128)|0x40);
OutTI(layer|0xb8);
OutTD(~bmp[i]);
OutTI((x-128)|0x40);
OutTI((layer|0xb8)+1); 
i++;
OutTD(~bmp[i]);
}
else if (x>63) 
{
OutSI((x-64)|0x40);
OutSI(layer|0xb8);
OutSD(~bmp[i]);

OutSI((x-64)|0x40);
OutSI((layer|0xb8)+1); 
i++;
OutSD(~bmp[i]);
}
else 
{
OutFI(x|0x40);
OutFI(layer|0xb8);
OutFD(~bmp[i]);
OutFI(x|0x40);
OutFI((layer|0xb8)+1); 
i++;
OutFD(~bmp[i]);
}
i++;
}
}
/*------------------------------------------------------------------------------
--
Display indention; x_add is the x address;It has 4 layers,0,1,2,3;
Width is the Chinese ideograph width
--------------------------------------------------------------------------------
-*/
void _DrawBmp_(uchar x_add,uchar layer,uchar width)
{ 
unsigned char x;
for(x=x_add;x<x_add+width;x++)
{
if (x>127)
{
OutTI((x-128)|0x40);
OutTI(layer|0xb8);
OutTD(0);
OutTI((x-128)|0x40);
OutTI((layer|0xb8)+1); 
OutTD(0);
}
else if (x>63) 
{
OutSI((x-64)|0x40);
OutSI(layer|0xb8);
OutSD(0);

OutSI((x-64)|0x40);
OutSI((layer|0xb8)+1);
OutSD(0);
}
else 
{
OutFI(x|0x40);
OutFI(layer|0xb8);
OutFD(0);
OutFI(x|0x40);
OutFI((layer|0xb8)+1); 
OutFD(0);
}
}
}
/*------------------------------------------------------------------------------
--
Display indention; x_add is the x address;It has 4 layers,0,1,2,3;
Width is the Chinese ideograph width
--------------------------------------------------------------------------------
-*/
void _DrawBmp_black(uchar x_add,uchar layer,uchar width)
{ 
unsigned char x;
for(x=x_add;x<x_add+width;x++)
{
if (x>127)
{
OutTI((x-128)|0x40);
OutTI(layer|0xb8);
OutTD(0xff);
OutTI((x-128)|0x40);
OutTI((layer|0xb8)+1); 
OutTD(0xff);
}
else if (x>63) 
{
OutSI((x-64)|0x40);
OutSI(layer|0xb8);
OutSD(0xff);

OutSI((x-64)|0x40);
OutSI((layer|0xb8)+1);
OutSD(0xff);
}
else 
{
OutFI(x|0x40);
OutFI(layer|0xb8);
OutFD(0xff);
OutFI(x|0x40);
OutFI((layer|0xb8)+1); 
OutFD(0xff);
}
}
}
/*------------------------------------------------------------------------------
--
Display the line
display_data_graph is the display graph data
--------------------------------------------------------------------------------
-*/
void _DrawBmp_line(uchar x_add,uchar layer,uchar width,uchar display_data_graph)
{ 
unsigned char x;
unsigned int i=0;
for(x=x_add;x<x_add+width;x++)
{
if (x>127)
{
OutTI((x-128)|0x40);
OutTI(layer|0xb8); 
OutTD(display_data_graph);
}
else if (x>63) 
{
OutSI((x-64)|0x40);
OutSI(layer|0xb8); 
OutSD(display_data_graph);
}
else 
{
OutFI(x|0x40);
OutFI(layer|0xb8); 
OutFD(display_data_graph);
}
i++;
}
}
/*------------------------------------------------------------------------------
--
Display the column
display_data_graph is the display graph data
--------------------------------------------------------------------------------
-*/
void _DrawBmp_column(uchar x,uchar width)
{ 
unsigned int i=0;
if (x>127)
{
for(i=0;i<width;i++)
{
OutTI((x-128)|0x40);
OutTI(i|0xb8); 
OutTD(0xff);
}
}
else if (x>63) 
{
for(i=0;i<width;i++)
{
OutSI((x-64)|0x40);
OutSI(i|0xb8); 
OutSD(0xff);
}
}
else 
{
for(i=0;i<width;i++)
{
OutFI(x|0x40);
OutFI(i|0xb8); 
OutFD(0xff);
}
}
}
 
main(){}