ks0108.h

点菜系统 内置很多功能

#ifndef KS0108_H
#define KS0108_H
/***************************常量定义**********************************/

#ifndef FALSE
#define FALSE 0
#define TRUE (~FALSE)
#endif

#define LCD12864_ON  0x3f
/**********************LCD12864引脚定义*******************************/

#define LCDPORT  (uint32)0xff<<8

#define LCD_DI (1<<20)
#define LCD_RW (1<<24) 
#define LCD_EN (1<<25)
#define CS1    (1<<21)
#define CS2    (1<<23)
uint8 LCDExist;
////////////////////////////////////////////////////////
/////延时
///////////////////////////////////////////////////////
void Delay(uint8 D_time)
{
   uint8 i,j;
   for(j=0;j<D_time;j++)
	 for(i=0;i<124;i++);

}
void Delaym(uint32 D_time)
{
   uint32 i,j;
   for(j=0;j<D_time;j++)
	 for(i=0;i<0xfff;i++);

}
//////////////////////////////////////////////////////
/////////延时判忙
//////////////////////////////////////////////////////
uint8  LCD12864_Delay(void)
{
	uint8 LCD_status=0x90,i;

	IOSET=LCD_RW; //读状态
	IOCLR=LCD_DI;
	
	if(LCDExist)
	{
		while(LCD_status&0x90)//判忙以及复位情况
		{
			if(i<1000)
			{
				IODIR &=~(LCDPORT);
				for (i=0;i<2 ;i++ );
				IOSET=LCD_EN ;
				Delay(1);
				LCD_status =(IO0PIN&LCDPORT)>>8;
				IODIR |=LCDPORT;
				IOCLR=LCD_EN;
				i++;
			}
			else
			{
				LCDExist = FALSE;
				return FALSE;
			}
			
		}
	}
	
	return TRUE;

}
//////////////////////////////////////////////////////////
//////  写数据或命令
//////  D_type:0->写入的是命令，1->写入的是数据
//////  D_code:要写入的数据
////////////////////////////////////////////////////////
void LCD12864_Write_code(uint32 type,uint8 D_code)
{
	LCD12864_Delay();
	
	IOCLR=LCD_RW;
	if(type)
		IOSET=LCD_DI;
	else
		IOCLR=LCD_DI;
	
	IO0PIN=(IO0PIN&(~(LCDPORT)))|(D_code<<8);
	
	IOSET=LCD_EN;
	Delay(1);
	IOCLR=LCD_EN;
}
/////////////////////////////////////////////////////////
///   设置显示地址：
///   L_X:竖直方向(0<=L_X<=7)  L_Y:水平方向(0<=L_Y<=127)
/////////////////////////////////////////////////////////
void LCD_Set_XY(uint8 L_X,uint8 L_Y)
{

	L_Y &= 0x3f; // 0=<L_Y<=63   数据保护
	L_Y |= 0x40; //01xx xxxx
	LCD12864_Write_code(0,L_Y);//写横向地址
	
	L_X &= 0x07; //0<=L_X<=7  数据保护
    L_X |= 0xb8; //1011 1xxx
    LCD12864_Write_code(0,L_X); //写纵向地址
    
}
///////////////////////////////////////////////////////////
//////////清屏
////////////////////////////////////////////////////////
void LCD12864_Clr(void)
{
	uint8 i,j;
	IOSET=CS1;
	IOSET=CS2;
	
	Delay(1);
	for (i=0;i<8;i++ )
	{
		LCD_Set_XY(i, 0);
		for(j=0 ;j<64 ;j++)
		  LCD12864_Write_code(1, 0x00);
	}
	IOCLR=CS1;
    IOCLR=CS2;
	
}
/////////////////////////////////////////////
///////////初始化端口及打开显示
/////////////////////////////////////////////
void LCD12864_Init(void)
{
  IODIR|=(LCDPORT|LCD_DI|LCD_RW|LCD_EN|CS1|CS2);
  IOSET=CS1;
  IOSET=CS2;
  LCD12864_Write_code(0,LCD12864_ON); //开显示
  IOCLR=CS1;
  IOCLR=CS2; 
}
//////////////////////////////////////////////////////////
///////////数字半角显示点阵
////////////////////////////////////////////////////////////
 uint8 BMP_NUM[][16] = {

{0x00,0xF0,0x08,0x08,0x08,0x08,0xF0,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00}, /*0*/
	
{0x00,0x00,0x20,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00}, /*1*/

{0x00,0x30,0x08,0x08,0x08,0x08,0xF0,0x00,0x00,0x20,0x30,0x28,0x24,0x23,0x20,0x00}, /*2*/

{0x00,0x30,0x08,0x08,0x08,0x08,0xF0,0x00,0x00,0x18,0x20,0x21,0x21,0x21,0x1E,0x00}, /*3*/

{0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x06,0x05,0x04,0x04,0x04,0x3F,0x04,0x00}, /*4*/

{0x00,0xC0,0xB8,0x88,0x88,0x88,0x08,0x00,0x00,0x19,0x20,0x20,0x20,0x30,0x0F,0x00}, /*5*/

{0x00,0xF0,0x08,0x88,0x88,0x88,0x30,0x00,0x00,0x1F,0x21,0x20,0x20,0x20,0x1F,0x00}, /*6*/

{0x00,0x08,0x08,0x08,0x88,0x68,0x18,0x00,0x00,0x00,0x00,0x3C,0x03,0x00,0x00,0x00}, /*7*/

{0x00,0xF0,0x08,0x08,0x08,0x08,0xF0,0x00,0x00,0x1E,0x21,0x21,0x21,0x21,0x1E,0x00}, /*8*/

{0x00,0xF0,0x08,0x08,0x08,0x08,0xF0,0x00,0x00,0x19,0x22,0x22,0x22,0x21,0x1F,0x00}, /*9*/

{0x00},
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x06,0x00,0x00},
};
////////////////////////////////////////////////////////
void LCD12864_Darw_bmp_NUM(uint32 position, uint8 c, uint8 Start_x, uint8 Start_y)
{
	uint8 a;
	
	if(!position)
	{
		IOSET=CS1;
		IOCLR=CS2;
	}
	else
	{
		IOCLR=CS1;
		IOSET=CS2;
	}

	LCD_Set_XY(Start_x++, Start_y);//设置显示地址
	for(a=0 ;a<8 ;a++)
		LCD12864_Write_code(1, BMP_NUM[c][a]);
	LCD_Set_XY(Start_x, Start_y);
	for(a=8 ;a<16 ;a++)
		LCD12864_Write_code(1, BMP_NUM[c][a]);

}


///////////////////////////////////////////////
//////////收尾工作
///////////////////////////////////////////////
void shouwei(void)
{
 IOCLR=CS1;
 IOCLR=CS2; 
}   
#endif