?? st7920_serial_c.c

?? 12864點陣液晶
?? C
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/*************************************************************
FUNCTION:              LCD driver Serial Interface
AUTHOR:                耀宇科技
DESCRIPTION:           ST7920
E-mail:                szyaoyujs@126.com
CREAT DATE:            2006-2-28
MODIFICATION DATE: 
***************************************************************/

#include <AT89X52.H>
#include <INTRINS.H>

#define CLK                       P3_1
#define SID                       P3_2
#define CS                        P3_3
#define PS                        P3_6

#define CLEAR_DISPLAY_MEMORY()    Write_Instruction(0x01) //清除顯示
#define RETRUN_HOME_ADDRESS()     Write_Instruction(0x02) //返回DDRAM初始地址
#define SET_SHIFT_DIRECTION()     Write_Instruction(0x06) //指針右移，display不變
#define SET_FUNCTION_BASIC()      Write_Instruction(0x30) //基本指令集
#define SET_FUNCTION_EXTEND_ON()  Write_Instruction(0x36) //擴充指令集
#define SET_FUNCTION_EXTEND_OFF() Write_Instruction(0x34) //擴充指令集
#define DISPLAY_ON()              Write_Instruction(0x0c) //開顯示，關游標
#define DISPLAY_OFF()             Write_Instruction(0x08) //關顯示，關游標
#define REVERSE_DISPLAY_0()       Write_Instruction(0x04)
#define REVERSE_DISPLAY_1()       Write_Instruction(0x05)
#define REVERSE_DISPLAY_2()       Write_Instruction(0x06)
#define REVERSE_DISPLAY_3()       Write_Instruction(0x07)

unsigned char code font[]=
{

0xd2,0xab,0xbf,0xc6,0xd3,0xee,0xbc,0xbc,/*耀宇科技*/

};


unsigned char code ft[]=
{

0xce,0xc2,0xc9,0xcf,0xce,0xc2,0xcf,0xc2,/*溫上下*/

};

unsigned char code pic[]=
{

0xFF,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x01,0x01,0x01,0x01,0x81,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x81,0x81,0x81,0x81,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x41,0x81,0x81,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x81,0x81,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x81,0x01,
0x01,0x01,0x01,0x01,0x01,0x01,0x81,0x81,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0xFF,
0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x08,0x38,0x80,0x81,0xFF,0xA0,0x9C,0x00,0x20,0x25,0xA1,0x81,0x1F,
0x40,0xD2,0x0C,0x08,0x3F,0x01,0x00,0x00,0x00,0x00,0x00,0x60,0x3C,0x08,0x08,0x08,
0x88,0x88,0xC8,0xC9,0x45,0x44,0x44,0x44,0x04,0x04,0x16,0x0C,0x0C,0x08,0x00,0x00,
0x00,0x00,0x80,0x80,0x88,0x88,0xC4,0xC4,0xFA,0x42,0x63,0x00,0x00,0x48,0xC8,0x98,
0x00,0xFF,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x60,0xFF,0x21,
0x20,0x00,0x00,0x20,0x20,0x30,0xFF,0x11,0x10,0x18,0x08,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,

0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x81,0x41,0x21,0x11,0x0C,0x07,0xFF,0xC4,0x20,0x08,0x04,0x02,0xFD,0x00,0x28,
0x29,0xFF,0xA5,0xA5,0x81,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x08,0x18,0x08,0x08,
0x08,0x08,0x08,0x0F,0xFF,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,0x00,0x00,0x00,
0x00,0x40,0x21,0x31,0x18,0x0C,0x06,0xC1,0x7F,0x03,0x03,0x00,0x08,0x04,0x04,0x04,
0x04,0xFF,0x02,0x02,0x02,0x02,0x02,0x02,0x10,0x30,0x30,0x18,0x08,0x0C,0xFF,0x02,
0x02,0x00,0x02,0x0A,0x92,0xD2,0x61,0x59,0xCF,0x83,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,
0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x0E,0x03,0x01,0x01,
0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x04,0x0C,0x1C,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x06,0x07,0x00,
0x00,0x02,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x01,0x03,0x03,0x03,0x02,0x02,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,

0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x00,0x80,0x80,0x00,
0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x80,
0x80,0x00,0x80,0x80,0x00,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x80,
0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x00,
0x80,0x00,0x00,0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x80,0x80,
0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x00,0x80,0x80,0x80,
0x00,0x00,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,
0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFC,0x03,0x00,0x00,
0x00,0xF0,0x2C,0x27,0x78,0x80,0x00,0x00,0x7F,0x80,0x00,0x80,0x7F,0x00,0x00,0x00,
0x0F,0xFC,0x03,0x00,0x00,0x00,0x7F,0x80,0x00,0xC0,0x3F,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0xF7,0x88,0x88,0x88,0x81,
0x00,0x00,0x7F,0x80,0x00,0x00,0x81,0x00,0x00,0xFF,0x10,0x10,0x10,0xFF,0x00,0x00,
0xFF,0x03,0x0C,0x30,0xFF,0x00,0x00,0x7F,0x80,0x00,0x80,0x7F,0x00,0x00,0xFF,0x80,
0x80,0x80,0x80,0x00,0x00,0x7F,0x80,0x00,0x80,0x7F,0x00,0x00,0x7F,0x80,0x00,0x13,
0xF0,0x00,0x00,0x00,0x0F,0xFC,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,
0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,
0xFF,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0xFF,

};

/***********************************
** 函數名稱: Delay
** 功能描述: 延時時間=（n*9+17）*12/F
** 輸　入: n
** 輸　出 : 無
** 全局變量:無
** 調用模塊: 無
** 
** 作　者: 耀宇科技
** 日　期: 2006-2-28
******************************************/
void Delay(unsigned int n)
{
    while(n--);
	return;
}

/***********************************
** 函數名稱: Write_Data
** 功能描述: 傳送數據
** 輸　入: dat
** 輸　出 : 無
** 全局變量:無
** 調用模塊:Delay
** 
** 作　者: 耀宇科技
** 日　期: 2006-2-28
******************************************/
#pragma disable
void Write_Data(unsigned char idata dat) //6800
{
    unsigned char i;
    SID=1;
	_nop_();
    CLK=0;
    for(i=0;i<0x5;i++)
	{
      _nop_();
	  _nop_();
      CLK=1;
      _nop_();
	  _nop_();
      CLK=0;
    }
	_nop_();
	_nop_();
    SID=0;
	_nop_();
    CLK=1;
	_nop_();
	_nop_();
    CLK=0;
	_nop_();
	_nop_();
    SID=1;
	_nop_();
    CLK=1;
	_nop_();
	_nop_();
    CLK=0;
	_nop_();
	_nop_();
    SID=0;
	_nop_();
    CLK=1;
	_nop_();
	_nop_();
    CLK=0;
    for(i=0;i<0x4;i++)
	{
	  SID=dat&0x80;
	  dat=dat<<1;
	  _nop_();
	  _nop_();
      CLK=1;
	  _nop_();
	  _nop_();
      CLK=0;
	  _nop_();
	  _nop_();
    }
	SID=0;
    for(i=0;i<0x4;i++)
	{
	  _nop_();
	  _nop_();
      CLK=1;
	  _nop_();
	  _nop_();
      CLK=0;
	  _nop_();
	  _nop_();
    }
    for(i=0;i<0x4;i++)
	{
	  SID=dat&0x80;
	  dat=dat<<1;
	  _nop_();
	  _nop_();
      CLK=1;
	  _nop_();
	  _nop_();
      CLK=0;
	  _nop_();
	  _nop_();
    }
	SID=0;
    for(i=0;i<0x4;i++)
	{
	  _nop_();
	  _nop_();
      CLK=1;
	  _nop_();
	  _nop_();
      CLK=0;
	  _nop_();
	  _nop_();
    }
	Delay(5);
	return;
}

/***********************************
** 函數名稱: Write_Instruction
** 功能描述: 傳送命令
** 輸　入: cmd
** 輸　出 : 無
** 全局變量:無
** 調用模塊: Delay
** 
** 作　者: 耀宇科技
** 日　期: 2006-2-28
******************************************/
#pragma disable
void Write_Instruction(unsigned char idata cmd)
{
    unsigned char i;
    SID=1;
	_nop_();
    CLK=0;
    for(i=0;i<0x5;i++)
	{
      _nop_();
	  _nop_();
      CLK=1;
      _nop_();
	  _nop_();
      CLK=0;
    }
	_nop_();
	_nop_();
    SID=0;
	_nop_();
    CLK=1;
	_nop_();
	_nop_();
    CLK=0;
	_nop_();
	_nop_();
    SID=0;
	_nop_();
    CLK=1;
	_nop_();
	_nop_();
    CLK=0;
	_nop_();
	_nop_();
    SID=0;
	_nop_();
    CLK=1;
	_nop_();
	_nop_();
    CLK=0;
    for(i=0;i<0x4;i++)
	{
	  SID=cmd&0x80;
	  cmd=cmd<<1;
	  _nop_();
	  _nop_();
      CLK=1;
	  _nop_();
	  _nop_();
      CLK=0;
	  _nop_();
	  _nop_();
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