ks0108.c

单片机Ｃ语言程序设计．日历时钟用液晶显示

#include "c8051F020.h"
#include <intrins.h>
#include "lcd_zk.h"
#define nop _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_()
void Delay1ms(unsigned char);


//控制信号宏定义
#define LCD_DATA P2
#define LCD_RS P35
#define LCD_RW P36
#define LCD_E  P37
#define LCD_CS1  P10
#define LCD_CS2  P11
#define LCD_RST  P12


#define SELECTCS 0
void LCD_WaitReady1(void) //判断LCD控制芯片KS0108是否忙
{
	LCD_DATA=0xff;
	nop;
	LCD_CS2=SELECTCS;
	LCD_RW=1;
	LCD_RS=0;
	LCD_E=1;
	while (LCD_DATA&0x80);
	LCD_CS2=!SELECTCS;
}

void LCD_WaitReady2(void) //判断LCD控制芯片KS0108是否忙
{
	LCD_DATA=0xff;
	nop;
	LCD_CS1=SELECTCS;
	LCD_RW=1;
	LCD_RS=0;
	LCD_E=1;
	while (LCD_DATA&0x80);
	LCD_CS1=!SELECTCS;
}

void LCD_WriteCommand1(char ch) //向LCD控制芯片KS0108发送控制命令
{
	LCD_WaitReady1();
	LCD_CS2=SELECTCS;
	LCD_RW=0;
	LCD_RS=0;
	LCD_DATA=ch;
	LCD_E=1;
	LCD_E=0;
	LCD_CS2=!SELECTCS;
}

void LCD_WriteCommand2(char ch)	//向LCD控制芯片KS0108发送控制命令
{
	LCD_WaitReady2();
	LCD_CS1=SELECTCS;
	LCD_RW=0;
	LCD_RS=0;
	LCD_DATA=ch;
	LCD_E=1;
	LCD_E=0;
	LCD_CS1=!SELECTCS;
}

void LCD_WriteData1(char ch)	//向LCD控制芯片KS0108发送数据命令
{
	LCD_WaitReady1();
	LCD_CS2=SELECTCS;
	LCD_RW=0;
	LCD_RS=1;
	LCD_DATA=ch;
	LCD_E=1;
	LCD_E=0;
	LCD_CS2=!SELECTCS;
}

void LCD_WriteData2(char ch)	//向LCD控制芯片KS0108发送数据命令
{
	LCD_WaitReady2();
	LCD_CS1=SELECTCS;
	LCD_RW=0;
	LCD_RS=1;
	LCD_DATA=ch;
	LCD_E=1;
	LCD_E=0;
	LCD_CS1=!SELECTCS;
}



void LCD_WriteHZ(char x,char y,char *Dot) //显示16*16点阵汉字
{
char i;
	for (i=0;i<32;i++)
	{
		if ((x+i%16)<64)
		{
			LCD_WriteCommand1(0xB8+y+i/16);
			LCD_WriteCommand1(0x40+x+i%16);
			LCD_WriteData1(Dot[i]);
		}
		else
		{
			LCD_WriteCommand2(0xB8+y+i/16);
			LCD_WriteCommand2(0x40+x-64+i%16);
			LCD_WriteData2(Dot[i]);
		}
	}
}

///////////////////////////////////////////////////////////////////
/*  void LCD_WriteChar(char x,char y,char *Dot) //显示8*16点阵字符
{
char i;
	for (i=0;i<16;i++)
	{
		if ((x+i%8)<64)
		{
			LCD_WriteCommand1(0xB8+y+i/8);
			LCD_WriteCommand1(0x40+x+i%8);
			LCD_WriteData1(Dot[i]);
		}
		else
		{
			LCD_WriteCommand2(0xB8+y+i/8);
			LCD_WriteCommand2(0x40+x-64+i%8);
			LCD_WriteData2(Dot[i]);
		}
	}
}
void LCD_DispChar(char x,char y,char ch) //128*64  取值x=0-128 y=0-8
{
	if ((ch>=0)&&(ch<=0xb))
	{
		LCD_WriteChar(x,y,&Number[ch*16]);
	}
}  */
/////////////////////////////////////////////////////////////////////


void LCD_DispChar(char x,char y,char ch)
{
	unsigned char i;
	unsigned char code *Dot;
	Dot=Number[ch-0x20];
	for (i=0;i<16;i++)
	{
		if ((x+i%8)<64)
		{
			LCD_WriteCommand1(0xB8+y+i/8);
			LCD_WriteCommand1(0x40+x+i%8);
			LCD_WriteData1(Dot[i]);
		}
		else
		{
			LCD_WriteCommand2(0xB8+y+i/8);
			LCD_WriteCommand2(0x40+x-64+i%8);
			LCD_WriteData2(Dot[i]);
		}
	}
}


void Display(char x,char y,char *str)
{
	while(*str)
	{
		LCD_DispChar(x,y,*str++);
		x+=8;
	}
}


void InitLCD(void)	//初始化LCD
{
	char i,j;
	LCD_RST=0;
	Delay1ms(1);
	LCD_RST=1;

	LCD_WriteCommand1(0xc0);	
	LCD_WriteCommand2(0xc0);
	LCD_WriteCommand1(0x3f);  	//开显示
	LCD_WriteCommand2(0x3f);

	for (j=0;j<8;j++)			//清屏
	{
		LCD_WriteCommand1(0xB8+j);	//清左半屏
		LCD_WriteCommand1(0x40);
		for (i=0;i<64;i++)
			LCD_WriteData1(0x00);

		LCD_WriteCommand2(0xB8+j);	//清右半屏
		LCD_WriteCommand2(0x40);
		for (i=0;i<64;i++)
			LCD_WriteData2(0x00);
	}
}

void DispBmp(char *buf)	//显示一幅位图
{
int i,j;
	for (j=0;j<8;j++)			//显示位图
	{
		LCD_WriteCommand1(0xB8+j);	
		LCD_WriteCommand1(0x40);
		for (i=0;i<64;i++)
			LCD_WriteData1(buf[(j*2)*64+i]);
		LCD_WriteCommand2(0xB8+j);	
		LCD_WriteCommand2(0x40);
		for (i=0;i<64;i++)
			LCD_WriteData2(buf[(j*2+1)*64+i]);
	}
}

void Delay1s(unsigned char T);
void TestLCD(void)
{
    char i;
	InitLCD();
	DispBmp(screen);
	for (i=0;i<64;i++)
	{
		Delay1ms(50);
		LCD_WriteCommand1(0xc0+i%64);	//设置起始行,实现向上滚动
		LCD_WriteCommand2(0xc0+i%64);
	}
	Delay1s(3);

		/*DispBmp(screen1);
		Delay1s(3);
		DispBmp(screen2);
		Delay1s(3);
		InitLCD();
		LCD_WriteHZ(2,1,Han); //显示16*16点阵汉字'汉'
		LCD_WriteHZ(60,3,Zi); //显示16*16点阵汉字'字'
		Delay1s(3);*/
}