/*************************************** ***************************************
Function Introduction: The program driver 12864 displays a pair of images.
**************************************** **************************************** ****/
Implemented using the modulo Software
# Include <reg51.h>
# Include <intrins. h>
# Define uchar unsigned char
# Define uint unsigned int
/* 12864 port definition */
# Define LCD _data P0 // data port
Sbit LCD _rs = P3 ^ 5; // register selection Input
Sbit LCD _rw = P3 ^ 6; // LCD read/write control
Sbit LCD _en = P3 ^ 4; // LCD enabling control
Sbit LCD _psb = P3 ^ 7; // string/parallel control
Sbit wela = P2 ^ 6;
Sbit Dula = P2 ^ 7;
Unsigned char code Zhu [] = // Image Code
{
0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x05, 0xae, 0x90, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0x80, 0 x, 0 x, 0 x, 0x00, 0x2b, 0x55, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xa8, 0 x, 0x15, 0x20, 0 x, 0 x, 0 x, 0x97, 0xfb, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0x45, 0x55, 0x08, 0xa0, 0 x, 0 x, 0x00, 0x0a, 0x6f, 0xf4, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xb2, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00, 0xba, 0xe0, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0x4d, 0x55,0x15,0x15,0x20,0x00,0x00,0x95, 0xd5, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xff, 0xe8, 0x40,0x40,0x00,0x00,0x00, 0x4a, 0xaa, 0x80 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xff, 0xff, 0x2a, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xff, 0xfd, 0xd0, 0xaa, 0x01,0 X, 0 x, 0x25, 0x20, 0x10, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xff, 0xff, 0xb6, 0 x, 0x10, 0 x, 0x01, 0x4a, 0x49,0 X, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xff, 0xff, 0xfd, 0xe8, 0x50, 0 x, 0 x, 0 x, 0x24, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xab, 0xff, 0xff, 0x55, 0 x, 0 x, 0 x, 0 x, 0x49, 0x5e, 0xa0, 0 x, 0 x, 0 x, 0 x, 0x00,
0x84, 0xbf, 0xff, 0xf4, 0x88,0 X, 0 x, 0 x, 0 x, 0x05, 0xff, 0xf4, 0 x, 0 x, 0 x, 0x00,
0x29, 0x0b, 0xff, 0xfa, 0x20, 0x00,0x00,0x00,0x02, 0xbf, 0xff, 0xfc, 0x00,0x00,0x00,0x00,0x00,
0x44, 0xa0, 0x57, 0xfd, 0x80, 0 x, 0 x, 0 x, 0x08, 0x5f, 0xff, 0xff, 0x80, 0 x, 0 x, 0x00, 0x00,
0x91, 0x0a, 0xaa, 0xf6, 0x50,0x00,0x00,0x00,0X41, 0xff, 0xff, 0xff, 0xc0, 0x00,0x00,0x00,
0x44, 0xa0, 0x01, 0x1b, 0 x, 0 x, 0 x, 0x26, 0xff, 0xff, 0xff, 0x90, 0 x, 0 x, 0 x, 0x00,
0x11, 0x0a, 0xaa, 0x6d, 0x68,0x00,0x00,0x00, 0x0b, 0xfb, 0xff, 0xef, 0xe0, 0x00,0x00,0x00,
0xc4, 0xa0, 0x01,0x02,0x82,0x00,0x00,0x00,0X43, 0xf1, 0xfe, 0x63, 0xf0, 0x00,0x00,0x00,
0x15,0x55,0x54,0x55, 0x6a, 0x00,0x00,0x00, 0x9f, 0xe3, 0xfc, 0x87,0x38,0x00,0x00,0x00,
0xca, 0xab, 0x91,0x00,0x90,0x00,0x00,0x00,0x07, 0xc1, 0xfa, 0x2a, 0x80 ,0x00,0x00,0x00,0x00,
0x25, 0xff, 0xfe, 0x95, 0x2a, 0x00,0x00,0x00, 0x2f, 0x13, 0xfe, 0xfc, 0x10, 0 x, 0 x, 0x00,
0x95, 0xff, 0xff, 0xc0, 0x50, 0 x, 0 x, 0x00, 0x0f, 0x41, 0xff, 0xf3, 0x80, 0 x, 0 x, 0x00, 0x00,
0x4f, 0xff, 0xff, 0xf9, 0x2a, 0x08,0x00,0x00, 0x9f, 0x08, 0xff, 0xd4, 0x00,0x00,0x00,0x00,0x00,
0xb3, 0xff, 0xff, 0xfe, 0x54,0 X, 0 x, 0x00, 0x1e, 0xa0, 0x7f, 0xa0, 0 x, 0 x, 0 x, 0x00, 0x00,
0x5f, 0xfe, 0x7f, 0xfe, 0xaa, 0x00,0x08,0x00, 0x5f, 0x57, 0xfe, 0x00,0x00,0x00,0x00,0x00,0x00,
0xaf, 0xfd, 0x7f, 0xff, 0 x, 0 x, 0x00, 0x1f, 0xfe, 0xe8, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0x7f, 0xfa, 0x7f, 0x5f, 0xca, 0x00,0x00,0x06, 0x3f, 0x55,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xaf, 0xf1, 0x7f, 0xde, 0xf5, 0x40, 0 x, 0x00, 0x1a, 0xa0, 0x80, 0 x, 0 x, 0 x, 0 x, 0x00,
0xdf, 0xf2, 0x3f, 0xfc, 0xc2, 0x00,0x00,0x00,0x50,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x2f, 0xfa, 0xbf, 0xff, 0xf4, 0xa0, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0x97, 0xfe, 0x3f, 0xff, 0xe3, 0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x68, 0xff, 0xdf, 0xd5, 0 x, 0x40, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0x07, 0x5f, 0xff, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xd0, 0xaa, 0xf4, 0xa0, 0xaa, 0x40, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xa1, 0x28, 0xa0, 0x00,0x44,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xa5, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0x04, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xaa, 0x50, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0 x, 0x90, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xd4, 0 x, 0x10, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0x20, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0xa4, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0 x, 0 x, 0 x, 0x00, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01, 0xEE, 0x00,0x00,0x00,0x00,0x00,0x00,
0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x0, 0 x, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0 x, 0x00, 0x1f, 0xfe, 0x80, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0 x, 0 x, 0x10, 0x00, 0x0c, 0x03, 0xe0, 0xb8, 0 x, 0x30, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0 x, 0 x, 0x10, 0 x, 0x07, 0xff, 0xff, 0xf0, 0x00, 0xb0, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x01, 0x0, 0 x, 0 x, 0 x, 0 x, 0x00,
0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x03, 0xc0, 0 x, 0 x, 0 x, 0 x, 0x00,
0x00,0x00,0x00,0x00, 0x0f, 0xe0, 0x00,0x00,0x00,0x00, 0x0f, 0x00,0x00,0x00,0x00,0x00,0x00,
0 x, 0 x, 0 x, 0 x, 0x01, 0xff, 0xe0, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0 x, 0x00,
0x00,0x00,0x00,0x00,0x00,0x00, 0x1f, 0xe0, 0x00,0x03, 0xf0, 0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x03, 0xff, 0x80, 0x7e, 0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0xff, 0xf0, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
# Define delaynop (); {_ NOP _();};
Void delay0 (uchar X); // x * 0.14 Ms
Void BEEP ();
Void dataconv ();
Void LCD _pos (uchar X, uchar y); // determine the display position
Void delay (ms int)
{
While (MS --)
{
Uchar I;
For (I = 0; I <250; I ++)
{
_ NOP _();
_ NOP _();
_ NOP _();
_ NOP _();
}
}
}
/*************************************** ****************************/
/**/
/* Check the LCD busy status */
/* When LCD _busy is 1, it is busy. Wait. When LCD-busy is 0, it is idle and can write commands and data. */
/**/
/*************************************** ****************************/
Bit LCD _busy ()
{
Bit result;
LCD _rs = 0;
LCD _rw = 1;
LCD _en = 1;
Delaynop ();
Result = (BIT) (P0 & 0x80 );
LCD _en = 0;
Return (result );
}
/*************************************** ****************************/
/**/
/* Write command data to LCD */
/* Rs = L, RW = L, E = high pulse, D0-D7 = instruction code. */
/**/
/*************************************** ****************************/
Void LCD _wcmd (uchar cmd)
{
While (LCD _busy ());
LCD _rs = 0;
LCD _rw = 0;
LCD _en = 0;
_ NOP _();
_ NOP _();
P0 = cmd;
Delaynop ();
LCD _en = 1;
Delaynop ();
LCD _en = 0;
}
/*************************************** ****************************/
/**/
/* Write the display data to the LCD */
/* Rs = H, RW = L, E = high pulse, D0-D7 = data. */
/**/
/*************************************** ****************************/
Void LCD _wdat (uchar dat)
{
While (LCD _busy ());
LCD _rs = 1;
LCD _rw = 0;
LCD _en = 0;
P0 = dat;
Delaynop ();
LCD _en = 1;
Delaynop ();
LCD _en = 0;
}
/*************************************** ****************************/
/**/
/* LCD initialization settings */
/**/
/*************************************** ****************************/
Void LCD _init ()
{
LCD _psb = 1; // parallel port Mode
LCD _wcmd (0x34); // extended command operation
Delay (5 );
LCD _wcmd (0x30); // basic command operation
Delay (5 );
LCD _wcmd (0x0c); // display on, close the cursor
Delay (5 );
LCD _wcmd (0x01); // clear the LCD display content
Delay (5 );
}
/*************************************** ****
Function Name: draw_pm
Function: drawing on the entire LCD screen
Parameter count: None
Return Value: None
**************************************** ****/
Void draw_pm (const uchar * PTR)
{
Uchar I, J, K;
Wela = 0;
Dula = 0;
LCD _wcmd (0x34); // enable the Extended Instruction Set
I = 0x80;
For (j = 0; j <32; j ++)
{
LCD _wcmd (I ++ );
LCD _wcmd (0x80 );
For (k = 0; k <16; k ++)
{
LCD _wdat (* PTR ++ );
}
}
I = 0x80;
For (j = 0; j <32; j ++)
{
LCD _wcmd (I ++ );
LCD _wcmd (0x88 );
For (k = 0; k <16; k ++)
{
LCD _wdat (* PTR ++ );
}
}
LCD _wcmd (0x36); // open the drawing display.
LCD _wcmd (0x30); // return to the basic instruction set
}
Main ()
{
Wela = 0;
Dula = 0;
LCD _init (); // initialize the LCD
Draw_pm (Zhu); // display pictures of cute pig
While (1 );
}
12864 show images
