ocmj15x20d.c

ARM LPC2368控制金鹏电子LCM液晶屏OCMJ15X20D的源码

#include "config.h"



const uint8 LCD_REG_ADDR[] = 
{ 
 0x00,0x01,0x02,0x03,0X10,0X11,0X12,0X21,0X31,0X41,0X51,0X20,0X30,0X40,0X50,0X60, 
 0X61,0X70,0X71,0X72,0X80,0X81,0X91,0X90,0XA0,0XA1,0XA2,0XA3,0XB0,0XB1,0XC0,0XC1, 
 0XC8,0XC9,0XCA,0XD0,0XE0,0XF0,0XF1,0
 
}; 
const uint8 LCD_REG_PARAS[]=
{
 0XCD,0XF2,0X10,0X80,0X6B,0X00,0X91,0X27,0XEF,0X00,0X00,0X27,0XEF,0X00,0X00,0X00, 
 0X00,0X00,0X00,0XEF,0XAA,0X00,0X00,0X06,0X11,0X00,0X00,0X00,0X27,0XEF,0X00,0X0A, 
 0X80,0X80,0X00,0X80,0X00,0XA0,0X0F,0 	
};


void delay(uint32 delay)
{
	volatile uint32 i ;
	volatile uint32 j ;
	for(i = 0; i<delay	;i++)

	for(j = 0; j<(uint32)100	;j++);
}


void lcd_regwr(uint8 regnada) 
{
/*
  lcd_regnada = regnada;
  lcd_cs1 =0; // chip enable.
  lcd_rd = 1; //
  lcd_rs = 0; // rs = 0;
  lcd_wr = 0; // wr = 0;
  ;
  lcd_wr = 1; // wr = 1;
  lcd_rs = 1; // rs = 1;
  lcd_cs1 =1; // chip disable.
  */
	uint32 dataset,dataclr ;
	dataset = regnada & 0xFF ;
	dataclr = ( ~dataset ) & 0xFF ;
	dataset = dataset << PDB0 ;
	dataclr = dataclr << PDB0 ;
	
	LCD_DB_SET = LCD_DB_SET | dataset ;
	LCD_DB_CLR = LCD_DB_CLR | dataclr ;

	LCD_nCS1_CLR	=	LCD_nCS1;
	LCD_RS_CLR 		=	LCD_RS;
	//delay(1) ;
	LCD_nRD_SET		=	LCD_nRD;
	LCD_nWR_CLR 	=	LCD_nWR;
	
	delay(1) ;
	LCD_nWR_SET 	=	LCD_nWR;

	//delay(1) ;
	LCD_RS_SET 		=	LCD_RS;
	LCD_nCS1_SET	=	LCD_nCS1;

	
}

void lcd_regwrite(uint8 regname,uint8 regdata) 
{                                  
  lcd_regwr(regname);
  delay(10);
  lcd_regwr(regdata);
}



//.............................................
void lcd_datawrite(uint8 wrdata) 
{

/*
  while(lcd_busy == 1);
  lcd_data = wrdata;
  lcd_cs1 =0; // chip enable.
  lcd_rd = 1; //
  lcd_rs = 1; // rs = 1;
  lcd_wr = 0; // wr = 0;
  ;
  lcd_wr = 1; // wr = 1;
  lcd_rs = 1; // rs = 1;
  lcd_cs1 =1; // chip disable.
*/
	uint32 dataset,dataclr ;
	
	uint32 read;

	LCD_BUSY_SET		=	( LCD_BUSY	) ;
	read = LCD_BUSY_PIN ;
	read = read & LCD_BUSY ;
	while (read)
	{
		//LCD_BUSY_SET		=	( LCD_BUSY	) ;
		read = LCD_BUSY_PIN ;
		read = read & LCD_BUSY ;
	}
	
	//delay(50) ;
	dataset = wrdata & 0xFF ;
	dataclr = ( ~dataset ) & 0xFF ;
	dataset = dataset << PDB0 ;
	dataclr = dataclr << PDB0 ;

	
	
	LCD_DB_SET = LCD_DB_SET | dataset ;
	LCD_DB_CLR = LCD_DB_CLR | dataclr ;

	
	LCD_nCS1_CLR	= LCD_nCS1;
	LCD_RS_SET 		= LCD_RS;
	//delay(1) ;
	LCD_nRD_SET		= LCD_nRD;
	LCD_nWR_CLR 	= LCD_nWR;
	delay(1) ;
	LCD_nWR_SET 	= LCD_nWR;

	//delay(1) ;
	LCD_RS_SET 		= LCD_RS;
	LCD_nCS1_SET	= LCD_nCS1;

}

void lcd_character(uint8 * cha,int count)
{                                    //显示中文或字符
  int i;
  for(i=0;i<count;i++)
  {
    lcd_datawrite(*cha);
    ++cha;
  }
}
//.............................................
void lcd_character1(int count) 
{                                 //显示中文或字符
    lcd_datawrite(count);
}
//.............................................
extern void gotoxy(uint8 x,uint8 y) 
{                                //定坐标
  lcd_regwrite(0x60,x); // active window top register(awtr)
  lcd_regwrite(0x70,y); // active window top register(awtr)
}


uint8  tab5[]={
"0123456789"
};
//.............................................
uint8 lcd_regread(uint8 regname) 
{                           //读缓存器
  uint8 reg_rddata;
  lcd_regwr(regname);
/*
  lcd_data = 0xff;
  lcd_cs1 =0; // chip enable.
  lcd_wr = 1; // wr = 1;
  lcd_rs = 0; // rs = 0;
  lcd_rd = 0; // rd = 0;
  ;
  reg_rddata = lcd_data;
  lcd_rd = 1; // rd = 1;
  lcd_rs = 1; // rs = 1;
  lcd_cs1 =1; // chip disable.
  */
  return(reg_rddata);
}
//=============================================
//.............................................
void lcd_clear(void) 
{                   //清屏
  uint8 reg_rddata;
  lcd_regwrite(0xe0,0x00);
  //reg_rddata = lcd_regread(0xf0);
  
  reg_rddata = 0xA8;
  lcd_regwrite(0xf0,reg_rddata);
}

//.............................................
void lcd_photo(uint8 *pho) 
{                          //显示图形
  uint8 i,j,k;
  uint8 *pp;

  for(k=0;k<4;k++)
  {
    pp=pho;
    for(j=0;j<60;j++)
    {
      for(i=0;i<40;i++)
      {
        lcd_datawrite(*pp);
        ++pp;
      }
    }
  }
}
//.............................................
void lcd_lattice(uint8 data1,uint8 data2) 
{                                    //显示点阵
  uint8 i,j;

  for(j=0;j<60;j++)
  {
    for(i=0;i<80;i++)
    {
      lcd_datawrite(data1);
    }
    for(i=0;i<80;i++)
    {
      lcd_datawrite(data2);
    }
  }
}
//.............................................

//.............................................


void lcd_reset(void) 
{               //上电复位
  	delay(1200); // delay 120ms 等待上电复位
	LCD_RS_SET 		= LCD_RS;
	LCD_nWR_SET 	= LCD_nWR;
  	LCD_CS2_SET	= LCD_CS2;
	LCD_nRD_SET	= LCD_nRD;
	LCD_RS_SET 		= LCD_RS;
	LCD_nCS1_SET	= LCD_nCS1;
	
	LCD_nRST_CLR = LCD_nRST_CLR | LCD_nRST ;
	delay(1000) ;
	LCD_nRST_SET = LCD_nRST_SET | LCD_nRST ;
	delay(2000) ;
 // lcd_control = 0xff; // lcd_rs/wr/rd/cs1/cs2 normal - skeep high.
}

void LCDInit(void)
{
	volatile uint8	i ;
	volatile uint16	j ;
	volatile uint32 tmp32 ;

/*	
#define  PDB7  	26  //P1.26
#define  PDB6  	25  //P1.25
#define  PDB5  	24  //P1.24
#define  PDB4  	23  //P1.23
#define  PDB3  	22  //P1.22
#define  PDB2  	21  //P1.21
#define  PDB1  	20  //P1.20
#define  PDB0  	19  //P1.19

#define  PnRST  	09  //P0.9
#define  PCS2 	08  //P0.8
#define  PnCS1  	07  //P0.7
#define  PnRD  	06  //P0.6

#define  PnWR  	07  //P2.7
#define  PRS	  	06  //P2.6
#define  PINT  	25  //P3.25
#define  PBUSY	26  //P3.26
*/

	

/*
设置管脚功能
*/
	PINSEL3	=  PINSEL3 & (~ (	(1 << ((PDB0	- 16) * 2)) + (1<<((PDB0	- 16) * 2 + 1)) +
							(1 << ((PDB1	- 16) * 2)) + (1<<((PDB1	- 16) * 2 + 1)) +
							(1 << ((PDB2	- 16) * 2)) + (1<<((PDB2	- 16) * 2 + 1)) +
							(1 << ((PDB3	- 16) * 2)) + (1<<((PDB3	- 16) * 2 + 1)) +
							(1 << ((PDB4	- 16) * 2)) + (1<<((PDB4	- 16) * 2 + 1)) +
							(1 << ((PDB5	- 16) * 2)) + (1<<((PDB5	- 16) * 2 + 1)) +
							(1 << ((PDB6	- 16) * 2)) + (1<<((PDB6	- 16) * 2 + 1)) +
							(1 << ((PDB7	- 16) * 2)) + (1<<((PDB7	- 16) * 2 + 1)) 
						) 	)	;

	PINSEL0 =  PINSEL0 & (~ (	(1<<(PnRST	*2)) + (1<<(PnRST	*2 + 1)) +
							(1<<(PCS2	*2)) + (1<<(PCS2	*2 + 1)) +
							(1<<(PnCS1	*2)) + (1<<(PnCS1	*2 + 1)) +
							(1<<(PnRD	*2)) + (1<<(PnRD	*2 + 1)) 
						 )	)	; 
	 
	
	PINSEL4 = PINSEL4 & (	~ (	(1<<(PnWR	*2)) + (1<<(PnWR	*2 + 1)) +
					(1<<(PRS	*2)) + (1<<(PRS	*2 + 1)) 
				 ))	; 

	
	PINSEL7 =  PINSEL7 & (	~ (	(1<<((PINT	- 16)	*2)) + (1<<((PINT	- 16)	*2 + 1)) +
					(1<<((PBUSY	- 16)	*2)) + (1<<((PBUSY	- 16)	*2 + 1)) 
				 ))	; 


	LCD_nWR_MASK	= LCD_nWR_MASK	&(~(	( 1<<PnWR	)))	; //GPIO_OUTPUT
	LCD_RS_MASK	= LCD_RS_MASK	&(~(	( 1<<PRS	)))	; //GPIO_OUTPUT
	
	LCD_INT_MASK	= LCD_INT_MASK	&(~(	( 1<<PINT	)))	; //GPIO_OUTPUT
	LCD_BUSY_MASK	= LCD_BUSY_MASK	&(~(	( 1<<PBUSY	)))	; //GPIO_OUTPUT

/*
设置GPIO 方向
*/

	LCD_DB_DIR	=	LCD_DB_DIR	| (	( 1<<PDB7	) +  	
  									( 1<<PDB6	) +  	 
									( 1<<PDB5	) +  
									( 1<<PDB4	) +  	
									( 1<<PDB3	) +  	
									( 1<<PDB2	) +  	
									( 1<<PDB1	) +  
									( 1<<PDB0	) 
												) ;  	
					
	LCD_nRST_DIR	=	LCD_nRST_DIR	| (( 1<<PnRST	))	; //GPIO_OUTPUT
	LCD_CS2_DIR	=	LCD_CS2_DIR	| (( 1<<PCS2	))	; //GPIO_OUTPUT
	LCD_nCS1_DIR	=	LCD_nCS1_DIR	| (( 1<<PnCS1	))	; //GPIO_OUTPUT
	LCD_nRD_DIR	=	LCD_nRD_DIR	| (( 1<<PnRD	))	; //GPIO_OUTPUT
	LCD_nWR_DIR	=	LCD_nWR_DIR	| (( 1<<PnWR	))	; //GPIO_OUTPUT
	LCD_RS_DIR		=	LCD_RS_DIR		| (( 1<<PRS	))	; //GPIO_OUTPUT
	
	//LCD_INT_DIR		=	LCD_INT_DIR		& (~( 1<<PINT	))	; //GPIO_INTPUT
	//LCD_BUSY_DIR	=	LCD_BUSY_DIR	& (~( 1<<PBUSY ))	; //GPIO_INPUT
	LCD_INT_DIR		=	LCD_INT_DIR		& (~( 1<<PINT	))	; //GPIO_INTPUT
	LCD_BUSY_DIR	=	LCD_BUSY_DIR	& (~( 1<<PBUSY ))	; //GPIO_INPUT

	LCD_BUSY_SET		=	( LCD_BUSY	) ;
	LCD_INT_SET		=	( LCD_INT	) ;
	
	

/*
设置低电平
*/
	
	LCD_nRST_CLR	=	( 1<<PnRST	)	; 
	LCD_CS2_CLR	=	( 1<<PCS2	)	; 
	LCD_nCS1_CLR	=	( 1<<PnCS1	)	; 
	LCD_nRD_CLR	=	( 1<<PnRD	)	; 
	LCD_nWR_CLR	=	( 1<<PnWR	)	; 
	LCD_RS_CLR		=	( 1<<PRS	)	;
	LCD_DB_CLR		=	( 1<<PDB7	) +  //P1.26
  						( 1<<PDB6	) +  	 //P1.25
						( 1<<PDB5	) +  	 //P1.24
						( 1<<PDB4	) +  	 //P1.23
						( 1<<PDB3	) +  	 //P1.22
						( 1<<PDB2	) +  	 //P1.21
						( 1<<PDB1	) +  	 //P1.20
						( 1<<PDB0	)  ;  	 //P1.19

	

/*
设置高电平
*/
	LCD_nRST_SET	=	( 1<<PnRST	)	; 
	LCD_CS2_SET	=	( 1<<PCS2	)	; 
	LCD_nCS1_SET	=	( 1<<PnCS1	)	; 
	LCD_nRD_SET	=	( 1<<PnRD	)	; 
	LCD_nWR_SET	=	( 1<<PnWR	)	; 
	LCD_RS_SET		=	( 1<<PRS	)	;
	LCD_DB_SET		=	( 1<<PDB7	) +  //P1.26
  						( 1<<PDB6	) +  	 //P1.25
						( 1<<PDB5	) +  	 //P1.24
						( 1<<PDB4	) +  	 //P1.23
						( 1<<PDB3	) +  	 //P1.22
						( 1<<PDB2	) +  	 //P1.21
						( 1<<PDB1	) +  	 //P1.20
						( 1<<PDB0	)  ;  	 //P1.19


/*
设置低电平
*/
	LCD_nRST_CLR	=	( 1<<PnRST	)	; 
	LCD_CS2_CLR	=	( 1<<PCS2	)	; 
	LCD_nCS1_CLR	=	( 1<<PnCS1	)	; 
	LCD_nRD_CLR	=	( 1<<PnRD	)	; 
	LCD_nWR_CLR	=	( 1<<PnWR	)	; 
	LCD_RS_CLR		=	( 1<<PRS	)	;
	LCD_DB_CLR		=	( 1<<PDB7	) +  //P1.26
  						( 1<<PDB6	) +  	 //P1.25
						( 1<<PDB5	) +  	 //P1.24
						( 1<<PDB4	) +  	 //P1.23
						( 1<<PDB3	) +  	 //P1.22
						( 1<<PDB2	) +  	 //P1.21
						( 1<<PDB1	) +  	 //P1.20
						( 1<<PDB0	)  ;  	 //P1.19
						
	LCD_BUSY_SET		=	( LCD_BUSY	) ;
  						
						

	LCD_DB_PIN = 0xFFFFFFFF ;
	LCD_DB_PIN = 0 ;
	LCD_DB_PIN = 0xFFFFFFFF ;



lcd_reset();


	
	
	for(i=0;i<39;i++)	
	lcd_regwrite(LCD_REG_ADDR[i],LCD_REG_PARAS[i]); // lcd control register(lcr) 
	lcd_clear();
	//LCD_RegWrite(LCD_REG_ADDR[i],LCD_REG_PARAS[i]); 
  //lcd_character(tab4,160);


 }