tvp5105.c

ssd192X_LPC2210_V2.0 LPC2210的16位数据口控制SSD1926

#include "ssd192X.h"
#include "i2c.h"
#include "tvp5105.h"
#include "io.h"

int CAM_WIDTH=720;
int CAM_HEIGHT=320;
int CAM_FRAME_RATE=70;


int video_blank_check(void)
{
	UINT8 status;
	I2C i2c;
	i2c.deviceID=I2C_DEVICE_ID;
	i2c.bitRate=1;

//  	ssd192X_i2c_init(&i2c);

	status= ssd192X_i2c_readb(&i2c, 0x88, SSD_I2C_READ_WO_ACK);  	

//     myprintf("vdieo status: %x\n",status);  	

	if 	(status & 0x06) 
		return 0;
	else
		return 1;	
	
}

void cam_hw_init(void)
{
	I2C i2c;
	i2c.deviceID=I2C_DEVICE_ID;
	i2c.bitRate=1;
//	myprintf("DV NTSC\n");
  	ssd192X_i2c_init(&i2c);

      ssd192X_i2c_writeb(&i2c, 0x0, 0x00);//kevinzhu  0x00 	
        ssd192X_i2c_writeb(&i2c, 0x1, 0x15);  
        ssd192X_i2c_writeb(&i2c, 0x2, 0x00);  	
        ssd192X_i2c_writeb(&i2c, 0x3, 0x69);//kevinzhu 0x69
        ssd192X_i2c_writeb(&i2c, 0x4, 0x00);//kevinzhu 0x00  	
        ssd192X_i2c_writeb(&i2c, 0x5, 0x00);  
        ssd192X_i2c_writeb(&i2c, 0x6, 0x10);  	
        ssd192X_i2c_writeb(&i2c, 0x7, 0x60);  
        ssd192X_i2c_writeb(&i2c, 0x8, 0x00);  	
        ssd192X_i2c_writeb(&i2c, 0x9, 0x8c);  
        ssd192X_i2c_writeb(&i2c, 0xa ,0xa0);  	
        ssd192X_i2c_writeb(&i2c, 0xb, 0x00);  
        ssd192X_i2c_writeb(&i2c, 0xc, 0x98);  	
        ssd192X_i2c_writeb(&i2c, 0xd, 0x47);//kevinzhu 0x47  
        ssd192X_i2c_writeb(&i2c, 0xe, 0x00);  	
        ssd192X_i2c_writeb(&i2c, 0xf, 0x0a);  
        ssd192X_i2c_writeb(&i2c, 0x10, 0x00);  	
        ssd192X_i2c_writeb(&i2c, 0x11, 0x00);  //
        ssd192X_i2c_writeb(&i2c, 0x12, 0x00);  //
        ssd192X_i2c_writeb(&i2c, 0x13, 0x00);  //
        ssd192X_i2c_writeb(&i2c, 0x14, 0x00);  //	
        ssd192X_i2c_writeb(&i2c, 0x15, 0x25);  
        ssd192X_i2c_writeb(&i2c, 0x16, 0x80);  	
        ssd192X_i2c_writeb(&i2c, 0x17, 0x00);  
        ssd192X_i2c_writeb(&i2c, 0x18, 0x00);  	
        ssd192X_i2c_writeb(&i2c, 0x19, 0x00);  
        ssd192X_i2c_writeb(&i2c, 0x1a, 0x1c);//kevinzhu 0x1c  	
        ssd192X_i2c_writeb(&i2c, 0x1b, 0x14);  
        ssd192X_i2c_writeb(&i2c, 0x28, 0x00);  	
        ssd192X_i2c_writeb(&i2c, 0x2e, 0x0f);  
        ssd192X_i2c_writeb(&i2c, 0x2f, 0x01); 	
        ssd192X_i2c_writeb(&i2c, 0x30, 0x00); 


//	myprintf("***********dvd cam hw init\n");	
//	SSD_IOW(REG_DV_VMEM_STR_ADDR1_0)= 0x3250; // Set Preview Memory Start Address
//	SSD_IOW(REG_DV_VMEM_STR_ADDR2_0)= 0x5820; // Set Preview Memory Start Address

//	SSD_IOW(REG_DV_DV0_START_ADDR_0)= 0x3250; // Set Digital Video Window Display Start Address
// 	SSD_IOW(REG_DV_DV1_START_ADDR_0)= 0x5820; // Set Digital Video Window Display Start Address
 
 	//note the setting below is assuming a normal DVD player input,
 	//with dimension of 720x240
 	//the display target window have dimension of 160x120,
 	//to demonstrate horizontal and vertical scaling function,
 	//the crop window size is set to 640x240
	//with horizontal and vertical downscaling of 4 and 2 respectively
	//setup the crop window
// 	SSD_IOW(REG_DV_HCROP_STR_0)=0x0028;
// 	SSD_IOW(REG_DV_VCROP_STR_0)=12;//Philips codec specific 12:NTSC;0 for PAL mode
// 	SSD_IOW(REG_DV_HCROP_SIZE_0)=0x0280;
//	SSD_IOW(REG_DV_VCROP_SIZE_0)=0x00f0;
// 	SSD_IOB(REG_DV_VHDEC_RATIO)=0x02;   // Set horizontal scaling = 4
// 	SSD_IOB(REG_DV_VVDEC_RATIO)=0x01;   // Set vertical scaling = 2
 
	//below registers are something I have no idea.  Please do not touch
	SSD_REGWW(REG_DV_NFRAME_POS_0, 0x0002);  // Set Frame Position
	SSD_REGWW(REG_DV_HORI_PERIOD_0, 0x0270);  // Set Horizontal Period

	//  WriteRegByte(REG_DV_TV_0,0x02);
	//  WriteRegByte(REG_DV_TV_1,0x2d);
	//  WriteRegByte(REG_DV_TV_2,0x01);

	//  WriteRegByte(0x17e, 0x3f);  // DV test

	//  WriteRegByte(REG_DV_OP_MODE,0x12);

	// below settting for 8 bit DVD mode only
	//SSD_REGWB(REG_DV_OP_MODE,0x02);
	SSD_REGWB(REG_DV_TV_0,0x02);
	SSD_REGWB(REG_DV_TV_1,0x0d);
	SSD_REGWB(REG_DV_TV_2,0x01);

	SSD_REGWB(REG_VCLK_CONFIG_1,0x04);//real chip =7; FPGA=4
//	SSD_IOB(REG_MAIN_WIN_ADDR_OFFSET0)=0x6e;
	SSD_REGWB(REG_SPECIAL_EFFECTS,0x40);

	SSD_REGWB(REG_DV_FRAME_SAMPLING,0x01);//0x161:1frame per 2frames	
//	SSD_IOW(REG_MAIN_WIN_DISP_START_ADDR0)=0x157b;

	//SSD_IOL(REG_PCLK_FREQ_RATIO_0)=0x17fff;
// 176 x 220 pannel ssd1278
// rotate 90 degree
//      SSD_IOB(REG_DV_HCROP_STR_0 )=0x8c;//dummy space=(720-440);starting pos= (720-440)/2
//      SSD_IOW(REG_DV_HCROP_SIZE_0)=0x1b8;//440=220*2
//      SSD_IOB(REG_DV_VCROP_SIZE_0)=0xf0;//240
//      SSD_IOB(REG_DV_VHDEC_RATIO )=0x1;//divide 440 by 2 (2^1=2)
//      SSD_IOB( REG_DV_VVDEC_RATIO)=0x0;//divide 240 by 1
// casio 160x240 panel
//	SSD_IOB(REG_DV_HCROP_STR_0 )=40;//(720-640)/2
//	SSD_IOW(REG_DV_HCROP_SIZE_0)=640;//640
//	SSD_IOB(REG_DV_VCROP_SIZE_0)=0xf0;//240
//	SSD_IOB(REG_DV_VHDEC_RATIO )=0x2; // 2^2 = 4 (640/4=160)
//	SSD_IOB( REG_DV_VVDEC_RATIO)=0x0; // 2^0 = 1 (240/1=240)
/*	myprintf(">>>>>>>>>>>>>>>>>>%X\n",SSD_IOW(REG_DV_HCROP_SIZE_0)); */
}

void cam_hw_still(void)
{		
	
	// bt656 / field stuff select
//	myprintf("**********dvd cam hw still\n");
	SSD_REGWB(REG_DV_FRAME_PULSE_WIDTH,0x08);
}