?? st7920_serial_c.c
字號(hào):
/*************************************************************
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(kuò)充指令集
#define SET_FUNCTION_EXTEND_OFF() Write_Instruction(0x34) //擴(kuò)充指令集
#define DISPLAY_ON() Write_Instruction(0x0c) //開(kāi)顯示,關(guān)游標(biāo)
#define DISPLAY_OFF() Write_Instruction(0x08) //關(guān)顯示,關(guān)游標(biāo)
#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(shù)名稱(chēng): Delay
** 功能描述: 延時(shí)時(shí)間=(n*9+17)*12/F
** 輸 入: n
** 輸 出 : 無(wú)
** 全局變量:無(wú)
** 調(diào)用模塊: 無(wú)
**
** 作 者: 耀宇科技
** 日 期: 2006-2-28
******************************************/
void Delay(unsigned int n)
{
while(n--);
return;
}
/***********************************
** 函數(shù)名稱(chēng): Write_Data
** 功能描述: 傳送數(shù)據(jù)
** 輸 入: dat
** 輸 出 : 無(wú)
** 全局變量:無(wú)
** 調(diào)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(shù)名稱(chēng): Write_Instruction
** 功能描述: 傳送命令
** 輸 入: cmd
** 輸 出 : 無(wú)
** 全局變量:無(wú)
** 調(diào)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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