📄 c8051f330_camera.c

📁 OV7670模组带转接板资料
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/*******************************************************************************
*  Copyright (C) 2010 - All Rights Reserved
*		
* 软件作者:	骑飞家族
* 版权所有: 骑飞电子	
* 创建日期:	2010年6月10日 
* 软件历史:	2010年11月2日修改
* Version:  1.0 
* Demo 淘宝地址：http://store.taobao.com/shop/view_shop.htm?asker=wangwang&shop_nick=qifeidianzi
**********************************************************************************************************************************************
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**********************************************************************************************************************************************/
#include <c8051f330.h>
#include <english_16x8.h>

///////////////////////////////////////////////////////
#define	BLACK	0x0000
#define	BLUE	0x001F
#define	RED 	0xF800
#define	GREEN 	0x07E0
#define CYAN	0x07FF
#define MAGENTA 0xF81F
#define YELLOW	0xFFE0
#define WHITE	0xFFFF		

#define AM          001
#define TIME 		   100

#define SDA_IN()		{P0MDOUT= 0X00;}
#define SDA_OUT()		{P0MDOUT= 0XFF;}


//Tft control lines
sbit Tft_RS_PIN=P0^6;
sbit Tft_WR_PIN=P0^7;
sbit Tft_RST_PIN=P0^4;

//camera control lines
sbit I2C_SCL=P0^1;
sbit I2C_SDA=P0^0;
sbit Cmos_VSYNC=P0^5;
sbit SDA_STATE=P0^0;

//sn74lvc245 control lines
sbit Cmos_CS_PIN=P0^2;

//SN74LVC1G125 CONTROL LINES
sbit WR_CONTROL_PIN=P0^3;

void OSCILLATOR_Init (void);
void Port_Init(void);
void Ext_Interrupt_Init (void);

void Tft_Init(void);
void TftClear(unsigned int Color);
void Tft_WR_DATA16(unsigned int inputdata);
void TftWrite16(unsigned int index);
void TftWrite(unsigned int index,unsigned int inputdata);
void TftWR_Str(unsigned int x,unsigned int y,unsigned char *s,unsigned int color,unsigned int xcolor);
void TftWR_SingleStr(unsigned char inputdata,unsigned int color,unsigned int xcolor);
void Tft_SetBackground(unsigned int StartX,unsigned int StartY,unsigned int LongX,unsigned int LongY);
void Tft_SetCursor(unsigned int Xpos, unsigned int Ypos);

unsigned char WrCmos7670(unsigned char regID, unsigned char regDat);
unsigned char Cmos7670_init(void);
void set_Cmos7670reg(void);

void delay_us(unsigned int time);
void delay_ms(unsigned int time);
void delay( unsigned long cnt);

///////////////////////////////////////////
void DelayI2C(void);
void InitI2C(void);
void StartI2C(void);
void StopI2C(void);
void NoAck(void);
unsigned char I2CWrite(unsigned char DData);
////////////////////////////////////////////
unsigned int flag;
///////////////////////////////////////////

void main(void)
{
	PCA0MD &= ~0x40;                       
	OSCILLATOR_Init ();
	Port_Init();
	Ext_Interrupt_Init( );
	WR_CONTROL_PIN=1;
	Tft_Init( );	
	TftClear(BLACK);
	TftWR_Str(60,70,"C8051F330 Camera",RED,BLACK);
	TftWR_Str(60,100,"QI FEI DIAN ZI VER1.0",RED,BLACK);	
	TftWR_Str(60,130,"OV7670 Initializing......",RED,BLACK);
	delay_ms(3000);

	while(1!=Cmos7670_init());
	delay_ms(3000);
	TftClear(BLACK);
	TftWR_Str(60,110,"OV7670  Init  SUCCESS!  ",RED,BLACK);
	delay_ms(5000);

	TftClear(BLACK); 
	EA = 1;
	while(1);
	
  
}



void OSCILLATOR_Init (void)
{
    OSCICN  = 0x83; 
	RSTSRC =	0x04;                
}


void Port_Init(void)
{
  	
  	P0MDIN = 0xFF;
	P1MDIN = 0XFF;

	P0MDOUT= 0XFF;
	P1MDOUT= 0XFF;
 
  	P0SKIP = 0X00;
	P1SKIP = 0X00;

    XBR0   = 0x00;
    XBR1   = 0x40;


}



void Ext_Interrupt_Init (void)    
{
    IT01CF    = 0x0d;
	IT0=1;
    IE        = 0x01;
}


void INT0_ISR (void) interrupt 0  
{

	EA=0;
	IE0=0; 

	P0MDOUT= 0xff;
	WR_CONTROL_PIN=1;
	Cmos_CS_PIN=1;

	TftWrite(0x0020,0x0000);
	TftWrite(0x0021,0x013f); 
	TftWrite(0x0050,0x00);
	TftWrite(0x0051,239);
	TftWrite(0x0052,0x00);
	TftWrite(0x0053,319);
	TftWrite(0x0003,0x1018);
	TftWrite16(0x0022);


	Tft_RS_PIN=1;
	Tft_WR_PIN=0;


	WR_CONTROL_PIN=0;
	Cmos_CS_PIN=0;
 
 	EA=1;

}

void Tft_Init(void)
{
	 	
	Tft_RST_PIN=1;
	delay_ms(10);; 
	Tft_RST_PIN=0;
	delay_ms(10);
	Tft_RST_PIN=1;
	delay_ms(150);


		TftWrite(0x00e5, 0x8000);	
		TftWrite(0x0000, 0x0001);	
		TftWrite(0x0001, 0x0100);
		TftWrite(0x0002, 0x0700);
	#if AM==000       
		TftWrite(0x0003,0x1000);
	#elif AM==001        
		TftWrite(0x0003,0x1008);      
	#elif AM==010  
	    TftWrite(0x0003,0x1010);        
	#elif AM==011
		TftWrite(0x0003,0x1018);
	#elif AM==100  
		TftWrite(0x0003,0x1020);      
	#elif AM==101  
		TftWrite(0x0003,0x1028);      
	#elif AM==110  
		TftWrite(0x0003,0x1030);      
	#elif AM==111  
		TftWrite(0x0003,0x1038);
	#endif
		TftWrite(0x0004, 0x0000);
		TftWrite(0x0008, 0x0202);	
		TftWrite(0x0009, 0x0000);	
		TftWrite(0x000A, 0x0000);
		TftWrite(0x000C, 0x0000);	
		TftWrite(0x000D, 0x0000);	
		TftWrite(0x000F, 0x0000);	
		TftWrite(0x0010, 0x0000);	
		TftWrite(0x0011, 0x0007);	
		TftWrite(0x0012, 0x0000);	
		TftWrite(0x0013, 0x0000);	
		delay_ms(1000);
		TftWrite(0x0010, 0x17B0);	
		TftWrite(0x0011, 0x0007);	
		delay_ms(1000);
		TftWrite(0x0012, 0x013A);	
		delay_ms(1000);
		TftWrite(0x0013, 0x1A00);	
		TftWrite(0x0029, 0x000c);		
		delay_ms(1000);
		TftWrite(0x0030, 0x0000);	
		TftWrite(0x0031, 0x0505);	
		TftWrite(0x0032, 0x0004);	
		TftWrite(0x0035, 0x0006);	
		TftWrite(0x0036, 0x0707);	
		TftWrite(0x0037, 0x0105);	
		TftWrite(0x0038, 0x0002);	
		TftWrite(0x0039, 0x0707);	
		TftWrite(0x003C, 0x0704);	
		TftWrite(0x003D, 0x0807);	
		TftWrite(0x0050, 0x0000);
		TftWrite(0x0051, 0x00EF);
		TftWrite(0x0052, 0x0000);
		TftWrite(0x0053, 0x013F);
		TftWrite(0x0060, 0x2700);
		TftWrite(0x0061, 0x0001);
		TftWrite(0x006A, 0x0000);
	#if AM==000         
		TftWrite(0x0020,0x00ef);
		TftWrite(0x0021,0x013f);      
	#elif AM==001
		TftWrite(0x0020,0x00ef);
		TftWrite(0x0021,0x013f);      
	#elif AM==010
		TftWrite(0x0020,0x0000);
		TftWrite(0x0021,0x013f);      
	#elif AM==011
		TftWrite(0x0020,0x0000);
		TftWrite(0x0021,0x013f);       
	#elif AM==100
		TftWrite(0x0020,0x00ef);
		TftWrite(0x0021,0x0000);      
	#elif AM==101  
		TftWrite(0x0020,0x00ef);
		TftWrite(0x0021,0x0000);      
	#elif AM==110
		TftWrite(0x0020,0x0000);
		TftWrite(0x0021,0x0000);      
	#elif AM==111
		TftWrite(0x0020,0x0000);
		TftWrite(0x0021,0x0000);         
	#endif  	
		TftWrite(0x0080, 0x0000);	
		TftWrite(0x0081, 0x0000);
		TftWrite(0x0082, 0x0000);
		TftWrite(0x0083, 0x0000);
		TftWrite(0x0084, 0x0000);	
		TftWrite(0x0085, 0x0000);
		TftWrite(0x0090, 0x0010);	
		TftWrite(0x0092, 0x0000);
		TftWrite(0x0093, 0x0003);
		TftWrite(0x0095, 0x0110);
		TftWrite(0x0097, 0x0000);	
		TftWrite(0x0098, 0x0000);	
		TftWrite(0x0007, 0x0173);	
		delay_ms(1000);


  
}


void Tft_WR_DATA16(unsigned int inputdata)
{
     unsigned int inputdatah;
	 unsigned int inputdatal;
	 unsigned int x;
	 x=inputdata;
	 inputdatal=inputdata&0x00ff;
	 inputdatah=(inputdata&0xff00)>>8;
	 P1MDOUT= 0XFF;
	 Tft_RS_PIN=1;
	 P1=0x00;
	 P1=inputdatah; 
     Tft_WR_PIN=0;
     Tft_WR_PIN=1;
	 P1=0x00;
	 P1=inputdatal;
     Tft_WR_PIN=0;
     Tft_WR_PIN=1;	 
	 P1MDOUT= 0X00;
  
}


void TftWrite16(unsigned int index)
{   
     unsigned int indexh;
	 unsigned int indexl;
	 indexh=(index&0xff00)>>8;
	 indexl=index&0x00ff;
	 P1MDOUT= 0XFF;
	 Tft_RS_PIN=0;

	 P1=0x00;
     P1=indexh; 
	 Tft_WR_PIN=0;
     Tft_WR_PIN=1;

     P1=0x00;
	 P1=indexl;

	 Tft_WR_PIN=0;
     Tft_WR_PIN=1;

	 P1MDOUT= 0X00;

}


void TftWrite(unsigned int index,unsigned int inputdata)
{
    unsigned int x;
	unsigned int y;
    unsigned int indexh;
	unsigned int indexl;
	unsigned int inputdatah;
	unsigned int inputdatal;
	x=index;
	y=inputdata;
    indexh=(index&0xff00)>>8;
	indexl=index&0x00ff;
	inputdatah=(inputdata&0xff00)>>8;
	inputdatal=inputdata&0x00ff;
	P1MDOUT= 0XFF;
	Tft_RS_PIN= 0;

	P1=0;	
	P1=indexh;
	Tft_WR_PIN=0;   
	Tft_WR_PIN=1;
	P1=0;
	P1=indexl; 
	Tft_WR_PIN=0;   
	Tft_WR_PIN=1;

	Tft_RS_PIN=1; 
	P1=0;
	P1=inputdatah;
    Tft_WR_PIN=0;	
    Tft_WR_PIN=1;
	P1=0;
	P1=inputdatal; 
    Tft_WR_PIN=0;	
    Tft_WR_PIN=1;

	P1MDOUT= 0X00;

}

void TftClear(unsigned int Color)
{
  unsigned long index = 0;

	TftWrite(0x0050,0x00);
	TftWrite(0x0051,239);
	TftWrite(0x0052,0x00);
	TftWrite(0x0053,319);
	TftWrite(0x0020,0x0000);
	TftWrite(0x0021,0x0000);  
	TftWrite16(0x0022);    

  for(index = 0; index < 76800; index++)
  {
    Tft_WR_DATA16(Color);
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