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📄 s0011802(lm3033).c

📁 LM3033液晶驱动程序
💻 C
字号:
🔍 
//-------------------------------------------------
// Shenzhen TOPWAY Technology Co.,Ltd.
// LCD Module:		  LM3033
// Display Size:      128x64 (256x32)
// Driver/Controller: ST7920
// Interface:         6800 mode
// by:                Kenny
// Date:			  2006-11-14
// System;            AT89S52 (12MHz)
//-------------------------------------------------

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

#define uchar unsigned char // 0~255
#define uint unsigned int   // 0~65535

#define LCDBUS  	P1
sbit    PSB        = P3^4;
sbit	_RES       = P3^5;
sbit    RS         = P3^1;
sbit    RW         = P3^7;
sbit    E          = P3^6;


//-----------------------------------
// dispaly data (256x32)
//-----------------------------------
uchar code GraphicLogo[]={
/*--  TOPWAY  LOGO 256x32  --*/
0xC0,0x00,0x00,0x00,0x00,0x05,0x55,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x80,0x00,0x00,0x00,0x02,0xAA,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x55,0x54,0x1F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x0A,0xAA,0xA1,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x01,0x55,0x55,0x07,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x2A,0xAA,0xAA,0x3F,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x55,0x55,0x55,0x50,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x0A,0xAA,0xAA,0xAA,0xA3,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x15,0x55,0x4F,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x01,0x04,0x4E,0x38,0xE3,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x02,0xAA,0x1F,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x01,0x06,0xD1,0x45,0x14,0x40,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x05,0x54,0x7F,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x01,0x05,0x41,0x44,0x10,0x40,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0A,0xA9,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x01,0x04,0x42,0x44,0x20,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x05,0x53,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x01,0x04,0x41,0x44,0x10,0x40,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0A,0xA7,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x01,0x04,0x51,0x45,0x14,0x40,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x15,0x4F,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x01,0xF4,0x4E,0x38,0xE3,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x2A,0x9F,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x15,0x3F,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x2A,0x7F,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x54,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0xA9,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x53,0xFF,0xFF,0xFF,0xFF,0x84,0x00,0x12,0x08,0x80,0x02,0x10,0x24,0x40,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0xA7,0xFF,0xFF,0xFF,0xFF,0x82,0xFF,0x12,0x48,0x9F,0xC1,0x20,0x55,0x40,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x01,0x4F,0xFF,0xFF,0xFF,0xFF,0x80,0x81,0x12,0x48,0x84,0x0F,0xFE,0x95,0x40,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x02,0x9F,0xFF,0xFF,0xFF,0xFF,0x88,0x24,0x12,0x4B,0xE4,0x09,0x24,0x1F,0x70,
0x10,0xE3,0x82,0x7C,0xE7,0xCE,0x38,0xE1,0x0E,0x38,0x27,0xCE,0x7C,0xE3,0x8E,0x10,
0x00,0x01,0x3F,0xFF,0xFF,0xFF,0xFF,0x84,0x52,0x7E,0x48,0x88,0x05,0x28,0x20,0xA0,
0x31,0x14,0x46,0x41,0x10,0x51,0x45,0x13,0x11,0x44,0x64,0x11,0x05,0x14,0x51,0x30,
0x00,0x02,0x3F,0xFF,0xFF,0xFF,0xFF,0x80,0x10,0x12,0x48,0xA8,0x1F,0xFE,0x5F,0xA0,
0x10,0x10,0x4A,0x79,0x00,0x91,0x45,0x11,0x01,0x04,0xA7,0x90,0x09,0x14,0x51,0x10,
0x00,0x04,0x70,0x63,0x0D,0xDD,0xDD,0x82,0xFF,0x12,0x48,0xDF,0x80,0x00,0xC0,0xA0,
0x10,0x20,0x92,0x05,0xE1,0x0E,0x3D,0x11,0x02,0x09,0x20,0x5E,0x10,0xE3,0xD1,0x10,
0x00,0x02,0xFD,0xDD,0x75,0xDA,0xEB,0x84,0x10,0x12,0x4B,0xA8,0x83,0xF8,0x4E,0xA0,
0x10,0x40,0x5F,0x05,0x11,0x11,0x05,0x11,0x04,0x05,0xF0,0x51,0x11,0x10,0x51,0x10,
0x00,0x04,0xFD,0xDD,0x0D,0x50,0x77,0x8C,0x38,0x1E,0x48,0x88,0x82,0x08,0x4A,0x40,
0x10,0x84,0x42,0x45,0x11,0x11,0x45,0x11,0x08,0x44,0x24,0x51,0x11,0x14,0x51,0x10,
0x00,0x09,0xFD,0xE3,0x7E,0xB7,0x77,0x84,0x54,0x72,0x48,0x88,0x83,0xF8,0x4B,0x40,
0x39,0xF3,0x82,0x38,0xE1,0x0E,0x38,0xE3,0x9F,0x38,0x23,0x8E,0x10,0xE3,0x8E,0x38,
0x00,0x13,0xFF,0xFF,0xFF,0xFF,0xFF,0x85,0x93,0x24,0x08,0x8F,0x82,0x08,0x52,0xA0,
0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0x84,0x10,0x08,0x09,0x88,0x83,0xF8,0x61,0x10,
0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03};



uchar code TextLogo[]={
/*--  Text 256x32  --*/
"-TOPWAY  LM3033-""128x64  图形点阵"
"内置简体(GB)字库""单片机接口      "};



//-----------------------------------
// Delay Routine
//-----------------------------------
void delayms(uint m)        // 12MHz Xtal, close to ms value
{
	uint j;
	uint i;
	
	for(i=0; i<m; i++)
	    for(j=0; j<109; j++)
	        _nop_();
}



//-----------------------------------
// IO Routine
//-----------------------------------
void SdCmd(uchar Command)   //send command
{
    RW = 0;
    E = 0;
    RS = 0;
    LCDBUS = Command;
    _nop_();
    E =1;
    _nop_();
    E =0;
    _nop_(); _nop_();
    _nop_(); _nop_();
    _nop_(); _nop_();
    _nop_(); _nop_();
}

void SdData(uchar DData)    //send display data
{
    RW = 0;
    E = 0;
    RS = 1;
    LCDBUS = DData;
    _nop_();
    E =1;
    _nop_();
    E =0;
    _nop_(); _nop_();
    _nop_(); _nop_();
    _nop_(); _nop_();
    _nop_(); _nop_();
}



//-----------------------------------
// Write a Screen
//-----------------------------------
void WriteGraphicScreen(uchar *GDData)
// DisplayData should be 256x32/8 = 1024byte
// and graphic screen=on
{
	uchar TempData;
	uchar i, j;
	
    for(i=0;i<0x20;i++)
        {
    	SdCmd(0x34);        // 8bit I/F, extend command
    	SdCmd(0x80|i);      // Y address
    	SdCmd(0x80);        // X address
    	SdCmd(0x36);        // 8bit I/F, basic command, graphic on
      	for(j=0;j<0x10;j++)
     		{
     		TempData=(*(GDData+(i*32)+(j*2)+0)); // send high-byte
     		SdData(TempData);
     		TempData=(*(GDData+(i*32)+(j*2)+1)); // send low-byte
     		SdData(TempData);     		
 		    }
        }
}



void WriteTextScreen(uchar *TxtData)
// DisplayData should be (8x4)x2 = 64byte
// and graphic screen=off
{
	uchar TempData;
	uchar j;
	
   	SdCmd(0x34);        // 8bit I/F, basic command
   	SdCmd(0x30);        // 8bit I/F, basic command, graphic off

   	SdCmd(0x80);        // first line
   	for(j=0;j<0x10;j++)
   		{
   		TempData=(*(TxtData+0+(j*2)+0)); // send high-byte
   		SdData(TempData);
   		TempData=(*(TxtData+0+(j*2)+1)); // send low-byte
   		SdData(TempData);     		
	    }

   	SdCmd(0x90);        // second line
   	for(j=0;j<0x10;j++)
   		{
   		TempData=(*(TxtData+32+(j*2)+0)); // send high-byte
   		SdData(TempData);
   		TempData=(*(TxtData+32+(j*2)+1)); // send low-byte
   		SdData(TempData);     		
	    }
}



//-----------------------------------
// Init LCD module
//-----------------------------------
void initLCDM(void)
{
    E       = 0;
    RW      = 0;
    RS      = 0;
    PSB     = 1;    // parallel mode
    LCDBUS  = 0xff; // pull up
	_RES    = 1;    // reset pin
	_RES    = 0;
	delayms(1);
	_RES    = 1;
	delayms(1);

	SdCmd(0x30);    // 8bit I/F, basic command, graphic off
	SdCmd(0x06);    // cursor right shift
	SdCmd(0x0C);    // display on
}



//-----------------------------------
// Main Program
//-----------------------------------
void main()
{
	SP=0x60;
	EA = 0;                 // disable interrupts

   	initLCDM();

	while(1)
	{
	SdCmd(0x30);          // 8bit I/F, basic command, graphic off
	SdCmd(0x01);          // clr text screen
	delayms(10);
	
    WriteGraphicScreen(GraphicLogo);
   	delayms(250); delayms(250); delayms(250); delayms(250);

    WriteTextScreen(TextLogo);
   	delayms(250); delayms(250); delayms(250); delayms(250);
   	}
}
//end of program

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