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📄 image_sensor.c

📁 格克威0316 驱动源码
💻 C
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		break;
	}
#endif

	image_window->grab_start_x=8;////IMAGE_SENSOR_VGA_INSERTED_PIXELS;
	image_window->grab_start_y=4;//IMAGE_SENSOR_VGA_INSERTED_LINES+dummy_lines;
	
	#if 0
	image_window->exposure_window_width=IMAGE_SENSOR_VGA_WIDTH;
	image_window->exposure_window_height=IMAGE_SENSOR_VGA_HEIGHT-4;
	#else
	image_window->exposure_window_width=IMAGE_SENSOR_VGA_WIDTH-w_blank;
	image_window->exposure_window_height=IMAGE_SENSOR_VGA_HEIGHT-h_blank;
	#endif
	
	kal_sleep_task(10);		
}	/* GC0316_preview */




void GC0316_capture(image_sensor_exposure_window_struct *image_window, image_sensor_config_struct *sensor_config_data)
{
    volatile kal_uint32 shutter=exposure_lines;
    kal_uint8 temp_reg;
    
    sensor_cap_state=KAL_TRUE;
	
	if(MPEG4_encode_mode)
	    ASSERT(0);
	
	//if(sensor_config_data->enable_shutter_tansfer==KAL_TRUE)
		//shutter=sensor_config_data->capture_shutter;
		
	#ifdef OUTPUT_DEBUG_INFO
	sprintf(temp_buffer, "Begin of GC0316_capture");
	rmmi_write_to_uart((kal_uint8*) temp_buffer, strlen(temp_buffer), KAL_TRUE);
	sprintf(temp_buffer, "cap_shutter:%d, pre_shut:%d", shutter, exposure_lines);
	rmmi_write_to_uart((kal_uint8*) temp_buffer, strlen(temp_buffer), KAL_TRUE);
	#endif

    if(!(sensor_config_data->frame_rate==0xF0))	// If not WEBCAM mode.
    {        
	// turn off night mode
                
    }
    	
	if ((image_window->image_target_width<=IMAGE_SENSOR_1M_WIDTH)&&
		(image_window->image_target_height<=IMAGE_SENSOR_1M_HEIGHT))
	{	/* Less than VGA Mode */
		if (image_window->digital_zoom_factor>=(ISP_DIGITAL_ZOOM_INTERVAL<<1))
		{
			
			SET_TG_PIXEL_CLK_DIVIDER(7);
			SET_CMOS_DATA_LATCH(4);
			
			if ((image_window->image_target_width==IMAGE_SENSOR_1M_WIDTH)&&
				(image_window->image_target_height==IMAGE_SENSOR_1M_HEIGHT))
			//	dummy_pixels=2000;
				dummy_pixels=0;
			else
				dummy_pixels=VGA_PERIOD_PIXEL_NUMS/4;
			dummy_lines=0;
		}
		else
		{
			if(sensor_config_data->frame_rate==0xF0)	// That means WEBCAM mode.
			{
			   	write_cmos_sensor(0x01,0xe7); 
			write_cmos_sensor(0x02,0x98); 
			write_cmos_sensor(0xd6,0x50);
			write_cmos_sensor(0x28, 0x01); //                                                                                                                                                                                                                                                                    
			write_cmos_sensor(0x29, 0x90);                                                                                                                                                                                                                                                                       
			write_cmos_sensor(0x2a, 0x01); //exp_level_1, 14fps                                                                                                                                                                                                                                                  
			write_cmos_sensor(0x2b, 0x90);                                                                                                                                                                                                                                                                       
			write_cmos_sensor(0x2c, 0x04); //exp_level_2 , 7c4~7FPS, 58c~10FPS, 6a8~8.2FPS                                                                                                                                                                                                                       
			write_cmos_sensor(0x2d, 0xb0);                                                                                                                                                                                                                                                                       
			write_cmos_sensor(0x2e, 0x09); //exp_level_3                                                                                                                                                                                                                                                         
			write_cmos_sensor(0x2f, 0x60);    					
	
		    /* config TG of ISP to match the setting of image sensor*/
		    SET_TG_OUTPUT_CLK_DIVIDER(5);	
		    SET_CMOS_RISING_EDGE(0);
		    SET_CMOS_FALLING_EDGE(3);  
		   ENABLE_CAMERA_PIXEL_CLKIN_ENABLE;
		   //DISABLE_CAMERA_PIXEL_CLKIN_ENABLE;		    
		    SET_TG_PIXEL_CLK_DIVIDER(5);
		    SET_CMOS_DATA_LATCH(3);


				w_blank=80;
				h_blank=60;

        		dummy_pixels=0;
        		dummy_lines=20;

				
				
			}
			else
			{

				if ((image_window->image_target_width==IMAGE_SENSOR_1M_WIDTH)&&
				(image_window->image_target_height==IMAGE_SENSOR_1M_HEIGHT))
				{
					SET_TG_OUTPUT_CLK_DIVIDER(7);	
		            SET_CMOS_RISING_EDGE(0);
		            SET_CMOS_FALLING_EDGE(5);
					ENABLE_CAMERA_PIXEL_CLKIN_ENABLE;
					SET_TG_PIXEL_CLK_DIVIDER(7);
					SET_CMOS_DATA_LATCH(5);
					shutter=read_GC0316_shutter();  
					shutter = shutter/4;
					write_GC0316_shutter(shutter);   

				}
			 
			else
			{
			    		SET_TG_OUTPUT_CLK_DIVIDER(2);	
		      			SET_CMOS_RISING_EDGE(0);
		      			SET_CMOS_FALLING_EDGE(1);
		      			ENABLE_CAMERA_PIXEL_CLKIN_ENABLE;
					SET_TG_PIXEL_CLK_DIVIDER(2);
					SET_CMOS_DATA_LATCH(1);

					shutter=read_GC0316_shutter();  
					//shutter = shutter/2;
					kal_prompt_trace(MOD_MMI,"third, shutter=%d " ,shutter);
					write_GC0316_shutter(shutter);  

				}	
				dummy_lines=0;
			}
		}
		
		capture_pclk_division=((DRV_Reg32(ISP_TG_PHASE_COUNTER_REG)&0xF0)>>4)+1;

		//shutter=read_GC0316_shutter();  //william 20070613
		//shutter=(shutter*preview_pclk_division)/capture_pclk_division;
		//shutter=(shutter*VGA_PERIOD_PIXEL_NUMS)/(VGA_PERIOD_PIXEL_NUMS+dummy_pixels);

		image_window->grab_start_x=8;  //IMAGE_SENSOR_VGA_INSERTED_PIXELS;
		image_window->grab_start_y=4;  //IMAGE_SENSOR_VGA_INSERTED_LINES+dummy_lines;
		image_window->exposure_window_width=IMAGE_SENSOR_VGA_WIDTH;
		image_window->exposure_window_height=IMAGE_SENSOR_VGA_HEIGHT-4 ; // minus 1 to avoid the last black line
	}
	
}	/* GC0316_capture() */

/*************************************************************************
* FUNCTION
*	write_GC0316_reg
*
* DESCRIPTION
*	This function set the register of GC0316.
*
* PARAMETERS
*	addr : the register index of GC0316
*  para : setting parameter of the specified register of GC0316
*
* RETURNS
*	None
*
* GLOBALS AFFECTED
*
*************************************************************************/
void write_GC0316_reg(kal_uint32 addr, kal_uint32 para)
{
	//write_cmos_sensor(addr,para);
}	/* write_GC0316_reg() */

/*************************************************************************
* FUNCTION
*	read_cmos_sensor
*
* DESCRIPTION
*	This function read parameter of specified register from GC0316.
*
* PARAMETERS
*	addr : the register index of GC0316
*
* RETURNS
*	the data that read from GC0316
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint32 read_GC0316_reg(kal_uint32 addr)
{

	return (read_cmos_sensor(addr));		
}	/* read_GC0316_reg() */

/*************************************************************************
* FUNCTION
*	set_GC0316_shutter
*
* DESCRIPTION
*	This function set e-shutter of GC0316 to change exposure time.
*
* PARAMETERS
*	shutter : exposured lines
*
* RETURNS
*	None
*
* GLOBALS AFFECTED
*
*************************************************************************/
void set_GC0316_shutter(kal_uint16 shutter)
{
	exposure_lines=shutter;
	//write_GC0316_shutter(shutter);
}	/* set_GC0316_shutter */

/*************************************************************************
* FUNCTION
*	set_GC0316_gain
*
* DESCRIPTION
*	This function is to set global gain to sensor.
*
* PARAMETERS
*	gain : sensor global gain(base: 0x40)
*
* RETURNS
*	the actually gain set to sensor.
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint16 set_GC0316_gain(kal_uint16 gain)
{


}

/*************************************************************************
* FUNCTION
*	GC0316_night_mode
*
* DESCRIPTION
*	This function night mode of GC0316.
*
* PARAMETERS
*	none
*
* RETURNS
*	None
*
* GLOBALS AFFECTED
*
*************************************************************************/
void GC0316_night_mode(kal_bool enable)
{

	kal_uint8  temp_reg;
	Delayms_GC(100);    //daemon 2008-3-27	
	temp_reg=read_cmos_sensor(0x41);
		
  	if(enable)
	{
		MAX_EXPOSURE_LINES=2*(PIXEL_CLK/MIN_FRAME_RATE)/VGA_PERIOD_PIXEL_NUMS;

		sensor_night_mode=KAL_TRUE;
		write_cmos_sensor(	0x19	,	0x33	);
		write_cmos_sensor(	0x1a	,	0x33	);
		
		write_cmos_sensor(	0x8d	,	0x13	);
		write_cmos_sensor(	0xdd	,	0x30	);
//		write_cmos_sensor( 0x41  , temp_reg & 0xdf);   // CLOSE ABS	
//		Delayms_GC(100);
//		write_cmos_sensor(	0xb0	,	0xf0	);
		write_cmos_sensor(	0x82	,	0x11	);		
		write_cmos_sensor(	0x87	,	0x91	);
		write_cmos_sensor(	0x88	,	0x10	);
		write_cmos_sensor(	0x89	,	0x08	);		


	}
	else
  	{
		MAX_EXPOSURE_LINES=(PIXEL_CLK/MIN_FRAME_RATE)/VGA_PERIOD_PIXEL_NUMS;

		sensor_night_mode=KAL_FALSE;
/*		if(gc_EnterCarvingEffect)
		{
			write_cmos_sensor(	0x8d	,	0xff	);
			write_cmos_sensor( 0x41  , 0x00);   // CLOSE ABS
		}
		else
		{
			write_cmos_sensor(	0x8d	,	0x23	);
			write_cmos_sensor( 0x41  , temp_reg | 0x20);   // Enable ABS
		}*/
		write_cmos_sensor(	0x19	,	0x00	);
		write_cmos_sensor(	0x1a	,	0x00	);

		write_cmos_sensor(	0xdd	,	0x10	);
		
		write_cmos_sensor(	0x82	,	0x34	);		
		write_cmos_sensor(	0x87	,	0x93	);
		write_cmos_sensor(	0x88	,	0x0a	);
		write_cmos_sensor(	0x89	,	0x4	);

		

	}

	Delayms_GC(100);
	if(camera_oper_data.pregain_mode==ISP_ONLY)
	    sensor_gain_base=BASEGAIN;
}

/*************************************************************************
* FUNCTION
*	set_GC0316_flashlight
*
* DESCRIPTION
*	turn on/off GC0316 flashlight .
*
* PARAMETERS
*	none
*
* RETURNS
*	None
*
* GLOBALS AFFECTED
*
*************************************************************************/
void set_GC0316_flashlight(kal_bool enable)
{
	// Todo
}

/*************************************************************************
* FUNCTION
*	set_GC0316_param_zoom
*
* DESCRIPTION
*	GC0316 zoom setting.
*

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