hpm_ov7725.h File Reference

#include "hpm_common.h"
#include "hpm_camera_config.h"

Go to the source code of this file.

Macros
#define	OV7725_ACTIVE_IMAGE_WIDTH   (480U)
	OV7725 definition. More...
#define	OV7725_ACTIVE_IMAGE_HEIGHT   (480U)
#define	OV7725_I2C_ADDR   (0x21U)
#define	OV7725_CHIP_ID_HIGH_BYTE_ADDR   (0x0A)
#define	OV7725_CHIP_ID_HIGH_BYTE_VALUE   (0x77)
#define	OV7725_CHIP_ID_LOW_BYTE_ADDR   (0x0B)
#define	OV7725_CHIP_ID_LOW_BYTE_VALUE   (0x21) /* need to check */
#define	OV7725_RST_ACTIVE   0
#define	OV7725_RST_INACTIVE   1
#define	OV7725_PWDN_ACTIVE   1
#define	OV7725_PWDN_INACTIVE   0
#define	GAIN   (0x00U) /* AGC – Gain control gain setting */
	OV7725 registers. More...
#define	BLUE   (0x01U) /* AWB – Blue channel gain setting */
#define	RED   (0x02U) /* AWB – Red channel gain setting */
#define	GREEN   (0x03U) /* AWB – Green channel gain setting */
#define	BAVG   (0x05U) /* U/B Average Level */
#define	GAVG   (0x06U) /* Y/Gb Average Level */
#define	RAVG   (0x07U) /* V/R Average Level */
#define	AECH   (0x08U) /* Exposure Value – AEC MSBs */
#define	COM2   (0x09U) /* Common Control 2 */
#define	COM2_SOFT_SLEEP   (0x10U) /* Soft sleep mode */
#define	COM2_OUT_DRIVE_1x   (0x00U) /* Output drive capability 1x */
#define	COM2_OUT_DRIVE_2x   (0x01U) /* Output drive capability 2x */
#define	COM2_OUT_DRIVE_3x   (0x02U) /* Output drive capability 3x */
#define	COM2_OUT_DRIVE_4x   (0x03U) /* Output drive capability 4x */
#define	PID   (0x0AU) /* Product ID Number MSB */
#define	VER   (0x0BU) /* Product ID Number LSB */
#define	COM3   (0x0CU) /* Common Control 3 */
#define	COM3_VFLIP   (0x80U) /* Vertical flip image ON/OFF selection */
#define	COM3_MIRROR   (0x40U) /* Horizontal mirror image ON/OFF selection */
#define	COM3_SWAP_BR   (0x20U) /* Swap B/R output sequence in RGB output mode */
#define	COM3_SWAP_YUV   (0x10U) /* Swap Y/UV output sequence in YUV output mode */
#define	COM3_SWAP_MSB   (0x08U) /* Swap output MSB/LSB */
#define	COM3_TRI_CLOCK   (0x04U) /* Tri-state option for output clock at power-down period */
#define	COM3_TRI_DATA   (0x02U) /* Tri-state option for output data at power-down period */
#define	COM3_COLOR_BAR   (0x01U) /* Sensor color bar test pattern output enable */
#define	COM4   (0x0DU) /* Common Control 4 */
#define	COM4_PLL_BYPASS   (0x00U) /* Bypass PLL */
#define	COM4_PLL_4x   (0x40U) /* PLL frequency 4x */
#define	COM4_PLL_6x   (0x80U) /* PLL frequency 6x */
#define	COM4_PLL_8x   (0xc0U) /* PLL frequency 8x */
#define	COM4_AEC_FULL   (0x00U) /* AEC evaluate full window */
#define	COM4_AEC_1_2   (0x10U) /* AEC evaluate 1/2 window */
#define	COM4_AEC_1_4   (0x20U) /* AEC evaluate 1/4 window */
#define	COM4_AEC_2_3   (0x30U) /* AEC evaluate 2/3 window */
#define	COM5   (0x0EU) /* Common Control 5 */
#define	COM5_AFR   (0x80U) /* Auto frame rate control ON/OFF selection (night mode) */
#define	COM5_AFR_SPEED   (0x40U) /* Auto frame rate control speed selection */
#define	COM5_AFR_0   (0x00U) /* No reduction of frame rate */
#define	COM5_AFR_1_2   (0x10U) /* Max reduction to 1/2 frame rate */
#define	COM5_AFR_1_4   (0x20U) /* Max reduction to 1/4 frame rate */
#define	COM5_AFR_1_8   (0x30U) /* Max reduction to 1/8 frame rate */
#define	COM5_AFR_4x   (0x04U) /* Add frame when AGC reaches 4x gain */
#define	COM5_AFR_8x   (0x08U) /* Add frame when AGC reaches 8x gain */
#define	COM5_AFR_16x   (0x0cU) /* Add frame when AGC reaches 16x gain */
#define	COM5_AEC_NO_LIMIT   (0x01U) /* No limit to AEC increase step */
#define	COM6   (0x0FU) /* Common Control 6 */
#define	COM6_AUTO_WINDOW   (0x01U) /* Auto window setting ON/OFF selection when format changes */
#define	AEC   (0x10U) /* AEC[7:0] (see register AECH for AEC[15:8]) */
#define	CLKRC   (0x11U) /* Internal Clock */
#define	COM7   (0x12U) /* Common Control 7 */
#define	COM7_RESET   (0x80U) /* SCCB Register Reset */
#define	COM7_RES_VGA   (0x00U) /* Resolution VGA */
#define	COM7_RES_QVGA   (0x40U) /* Resolution QVGA */
#define	COM7_BT656   (0x20U) /* BT.656 protocol ON/OFF */
#define	COM7_SENSOR_RAW   (0x10U) /* Sensor RAW */
#define	COM7_FMT_GBR422   (0x02U) /* RGB output format GBR422 */
#define	COM7_FMT_RGB565   (0x06U) /* RGB output format RGB565 */
#define	COM7_FMT_RGB555   (0x0AU) /* RGB output format RGB555 */
#define	COM7_FMT_RGB444   (0x0EU) /* RGB output format RGB444 */
#define	COM7_FMT_YUV   (0x00U) /* Output format YUV */
#define	COM7_FMT_P_BAYER   (0x01U) /* Output format Processed Bayer RAW */
#define	COM7_FMT_R_BAYER   (0x03U) /* Output format Bayer RAW */
#define	COM8   (0x13U) /* Common Control 8 */
#define	COM8_FAST_AUTO   (0x80U) /* Enable fast AGC/AEC algorithm */
#define	COM8_STEP_VSYNC   (0x00U) /* AEC - Step size limited to vertical blank */
#define	COM8_STEP_UNLIMIT   (0x40U) /* AEC - Step size unlimited step size */
#define	COM8_BANDF_EN   (0x20U) /* Banding filter ON/OFF */
#define	COM8_AEC_BANDF   (0x10U) /* Enable AEC below banding value */
#define	COM8_AEC_FINE_EN   (0x08U) /* Fine AEC ON/OFF control */
#define	COM8_AGC_EN   (0x04U) /* AGC Enable */
#define	COM8_AWB_EN   (0x02U) /* AWB Enable */
#define	COM8_AEC_EN   (0x01U) /* AEC Enable */
#define	COM9   (0x14U) /* Common Control 9 */
#define	COM9_HISTO_AVG   (0x80U) /* Histogram or average based AEC/AGC selection */
#define	COM9_AGC_GAIN_2x   (0x00U) /* Automatic Gain Ceiling 2x */
#define	COM9_AGC_GAIN_4x   (0x10U) /* Automatic Gain Ceiling 4x */
#define	COM9_AGC_GAIN_8x   (0x20U) /* Automatic Gain Ceiling 8x */
#define	COM9_AGC_GAIN_16x   (0x30U) /* Automatic Gain Ceiling 16x */
#define	COM9_AGC_GAIN_32x   (0x40U) /* Automatic Gain Ceiling 32x */
#define	COM9_DROP_VSYNC   (0x04U) /* Drop VSYNC output of corrupt frame */
#define	COM9_DROP_HREF   (0x02U) /* Drop HREF output of corrupt frame */
#define	COM10   (0x15U) /* Common Control 10 */
#define	COM10_NEGATIVE   (0x80U) /* Output negative data */
#define	COM10_HSYNC_EN   (0x40U) /* HREF changes to HSYNC */
#define	COM10_PCLK_FREE   (0x00U) /* PCLK output option: free running PCLK */
#define	COM10_PCLK_MASK   (0x20U) /* PCLK output option: masked during horizontal blank */
#define	COM10_PCLK_REV   (0x10U) /* PCLK reverse */
#define	COM10_HREF_REV   (0x08U) /* HREF reverse */
#define	COM10_VSYNC_FALLING   (0x00U) /* VSYNC changes on falling edge of PCLK */
#define	COM10_VSYNC_RISING   (0x04U) /* VSYNC changes on rising edge of PCLK */
#define	COM10_VSYNC_NEG   (0x02U) /* VSYNC negative */
#define	COM10_OUT_RANGE_8   (0x01U) /* Output data range: Full range */
#define	COM10_OUT_RANGE_10   (0x00U) /* Output data range: Data from [10] to [F0] (8 MSBs) */
#define	REG16   (0x16U) /* Register 16 */
#define	REG16_BIT_SHIFT   (0x80U) /* Bit shift test pattern options */
#define	HSTART   (0x17U) /* Horizontal Frame (HREF column) Start 8 MSBs (2 LSBs are at HREF[5:4]) */
#define	HSIZE   (0x18U) /* Horizontal Sensor Size (2 LSBs are at HREF[1:0]) */
#define	VSTART   (0x19U) /* Vertical Frame (row) Start 8 MSBs (1 LSB is at HREF[6]) */
#define	VSIZE   (0x1AU) /* Vertical Sensor Size (1 LSB is at HREF[2]) */
#define	PSHFT   (0x1BU) /* Data Format - Pixel Delay Select */
#define	REG_MIDH   (0x1CU) /* Manufacturer ID Byte – High */
#define	REG_MIDL   (0x1DU) /* Manufacturer ID Byte – Low */
#define	LAEC   (0x1FU) /* Fine AEC Value - defines exposure value less than one row period */
#define	COM11   (0x20U) /* Common Control 11 */
#define	COM11_SNGL_FRAME_EN   (0x02U) /* Single frame ON/OFF selection */
#define	COM11_SNGL_XFR_TRIG   (0x01U) /* Single frame transfer trigger */
#define	BDBASE   (0x22U) /* Banding Filter Minimum AEC Value */
#define	DBSTEP   (0x23U) /* Banding Filter Maximum Step */
#define	AEW   (0x24U) /* AGC/AEC - Stable Operating Region (Upper Limit) */
#define	AEB   (0x25U) /* AGC/AEC - Stable Operating Region (Lower Limit) */
#define	VPT   (0x26U) /* AGC/AEC Fast Mode Operating Region */
#define	REG28   (0x28U) /* Selection on the number of dummy rows, N */
#define	HOUTSIZE   (0x29U) /* Horizontal Data Output Size MSBs (2 LSBs at register EXHCH[1:0]) */
#define	EXHCH   (0x2AU) /* Dummy Pixel Insert MSB */
#define	EXHCL   (0x2BU) /* Dummy Pixel Insert LSB */
#define	VOUTSIZE   (0x2CU) /* Vertical Data Output Size MSBs (LSB at register EXHCH[2]) */
#define	ADVFL   (0x2DU) /* LSB of Insert Dummy Rows in Vertical Sync (1 bit equals 1 row) */
#define	ADVFH   (0x2EU) /* MSB of Insert Dummy Rows in Vertical Sync */
#define	YAVE   (0x2FU) /* Y/G Channel Average Value */
#define	LUMHTH   (0x30U) /* Histogram AEC/AGC Luminance High Level Threshold */
#define	LUMLTH   (0x31U) /* Histogram AEC/AGC Luminance Low Level Threshold */
#define	HREF   (0x32U) /* Image Start and Size Control */
#define	DM_LNL   (0x33U) /* Dummy Row Low 8 Bits */
#define	DM_LNH   (0x34U) /* Dummy Row High 8 Bits */
#define	ADOFF_B   (0x35U) /* AD Offset Compensation Value for B Channel */
#define	ADOFF_R   (0x36U) /* AD Offset Compensation Value for R Channel */
#define	ADOFF_GB   (0x37U) /* AD Offset Compensation Value for GB Channel */
#define	ADOFF_GR   (0x38U) /* AD Offset Compensation Value for GR Channel */
#define	OFF_B   (0x39U) /* AD Offset Compensation Value for B Channel */
#define	OFF_R   (0x3AU) /* AD Offset Compensation Value for R Channel */
#define	OFF_GB   (0x3BU) /* AD Offset Compensation Value for GB Channel */
#define	OFF_GR   (0x3CU) /* AD Offset Compensation Value for GR Channel */
#define	COM12   (0x3DU) /* DC offset compensation for analog process */
#define	COM13   (0x3EU) /* Common Control 13 */
#define	COM13_BLC_EN   (0x80U) /* BLC enable */
#define	COM13_ADC_EN   (0x40U) /* ADC channel BLC ON/OFF control */
#define	COM13_ANALOG_BLC   (0x20U) /* Analog processing channel BLC ON/OFF control */
#define	COM13_ABLC_GAIN_EN   (0x04U) /* ABLC gain trigger enable */
#define	COM14   (0x3FU) /* Common Control 14 */
#define	COM15   (0x40U) /* Common Control 15 */
#define	COM16   (0x41U) /* Common Control 16 */
#define	TGT_B   (0x42U) /* BLC Blue Channel Target Value */
#define	TGT_R   (0x43U) /* BLC Red Channel Target Value */
#define	TGT_GB   (0x44U) /* BLC Gb Channel Target Value */
#define	TGT_GR   (0x45U) /* BLC Gr Channel Target Value */
#define	LC_CTR   (0x46U) /* Lens Correction Control */
#define	LC_CTR_RGB_COMP_1   (0x00U) /* R, G, and B channel compensation coefficient is set by LC_COEF ((0x49U)) */
#define	LC_CTR_RGB_COMP_3   (0x04U)
#define	LC_CTR_EN   (0x01U) /* Lens correction enable */
#define	LC_XC   (0x47U) /* X Coordinate of Lens Correction Center Relative to Array Center */
#define	LC_YC   (0x48U) /* Y Coordinate of Lens Correction Center Relative to Array Center */
#define	LC_COEF   (0x49U) /* Lens Correction Coefficient */
#define	LC_RADI   (0x4AU) /* Lens Correction Radius */
#define	LC_COEFB   (0x4BU) /* Lens Correction B Channel Compensation Coefficient */
#define	LC_COEFR   (0x4CU) /* Lens Correction R Channel Compensation Coefficient */
#define	FIXGAIN   (0x4DU) /* Analog Fix Gain Amplifier */
#define	AREF0   (0x4EU) /* Sensor Reference Control */
#define	AREF1   (0x4FU) /* Sensor Reference Current Control */
#define	AREF2   (0x50U) /* Analog Reference Control */
#define	AREF3   (0x51U) /* ADC Reference Control */
#define	AREF4   (0x52U) /* ADC Reference Control */
#define	AREF5   (0x53U) /* ADC Reference Control */
#define	AREF6   (0x54U) /* Analog Reference Control */
#define	AREF7   (0x55U) /* Analog Reference Control */
#define	UFIX   (0x60U) /* U Channel Fixed Value Output */
#define	VFIX   (0x61U) /* V Channel Fixed Value Output */
#define	AWBB_BLK   (0x62U) /* AWB Option for Advanced AWB */
#define	AWB_CTRL0   (0x63U) /* AWB Control Byte 0 */
#define	AWB_CTRL0_GAIN_EN   (0x80U) /* AWB gain enable */
#define	AWB_CTRL0_CALC_EN   (0x40U) /* AWB calculate enable */
#define	AWB_CTRL0_WBC_MASK   (0x0FU) /* WBC threshold 2 */
#define	DSP_CTRL1   (0x64U) /* DSP Control Byte 1 */
#define	DSP_CTRL1_FIFO_EN   (0x80U) /* FIFO enable/disable selection */
#define	DSP_CTRL1_UV_EN   (0x40U) /* UV adjust function ON/OFF selection */
#define	DSP_CTRL1_SDE_EN   (0x20U) /* SDE enable */
#define	DSP_CTRL1_MTRX_EN   (0x10U) /* Color matrix ON/OFF selection */
#define	DSP_CTRL1_INTRP_EN   (0x08U) /* Interpolation ON/OFF selection */
#define	DSP_CTRL1_GAMMA_EN   (0x04U) /* Gamma function ON/OFF selection */
#define	DSP_CTRL1_BLACK_EN   (0x02U) /* Black defect auto correction ON/OFF */
#define	DSP_CTRL1_WHITE_EN   (0x01U) /* White defect auto correction ON/OFF */
#define	DSP_CTRL2   (0x65U) /* DSP Control Byte 2 */
#define	DSP_CTRL2_VDCW_EN   (0x08U) /* Vertical DCW enable */
#define	DSP_CTRL2_HDCW_EN   (0x04U) /* Horizontal DCW enable */
#define	DSP_CTRL2_VZOOM_EN   (0x02U) /* Vertical zoom out enable */
#define	DSP_CTRL2_HZOOM_EN   (0x01U) /* Horizontal zoom out enable */
#define	DSP_CTRL3   (0x66U) /* DSP Control Byte 3 */
#define	DSP_CTRL3_UV_EN   (0x80U) /* UV output sequence option */
#define	DSP_CTRL3_CBAR_EN   (0x20U) /* DSP color bar ON/OFF selection */
#define	DSP_CTRL3_FIFO_EN   (0x08U) /* FIFO power down ON/OFF selection */
#define	DSP_CTRL3_SCAL1_PWDN   (0x04U) /* Scaling module power down control 1 */
#define	DSP_CTRL3_SCAL2_PWDN   (0x02U) /* Scaling module power down control 2 */
#define	DSP_CTRL3_INTRP_PWDN   (0x01U) /* Interpolation module power down control */
#define	DSP_CTRL4   (0x67U) /* DSP Control Byte 4 */
#define	DSP_CTRL4_YUV_RGB   (0x00U) /* Output selection YUV or RGB */
#define	DSP_CTRL4_RAW8   (0x02U) /* Output selection RAW8 */
#define	DSP_CTRL4_RAW10   (0x03U) /* Output selection RAW10 */
#define	AWB_BIAS   (0x68U) /* AWB BLC Level Clip */
#define	AWB_CTRL1   (0x69U) /* AWB Control 1 */
#define	AWB_CTRL2   (0x6AU) /* AWB Control 2 */
#define	AWB_CTRL3   (0x6BU) /* AWB Control 3 */
#define	AWB_CTRL3_ADVANCED   (0x80U) /* AWB mode select - Advanced AWB */
#define	AWB_CTRL3_SIMPLE   (0x00U) /* AWB mode select - Simple AWB */
#define	AWB_CTRL4   (0x6CU) /* AWB Control 4 */
#define	AWB_CTRL5   (0x6DU) /* AWB Control 5 */
#define	AWB_CTRL6   (0x6EU) /* AWB Control 6 */
#define	AWB_CTRL7   (0x6FU) /* AWB Control 7 */
#define	AWB_CTRL8   (0x70U) /* AWB Control 8 */
#define	AWB_CTRL9   (0x71U) /* AWB Control 9 */
#define	AWB_CTRL10   (0x72U) /* AWB Control 10 */
#define	AWB_CTRL11   (0x73U) /* AWB Control 11 */
#define	AWB_CTRL12   (0x74U) /* AWB Control 12 */
#define	AWB_CTRL13   (0x75U) /* AWB Control 13 */
#define	AWB_CTRL14   (0x76U) /* AWB Control 14 */
#define	AWB_CTRL15   (0x77U) /* AWB Control 15 */
#define	AWB_CTRL16   (0x78U) /* AWB Control 16 */
#define	AWB_CTRL17   (0x79U) /* AWB Control 17 */
#define	AWB_CTRL18   (0x7AU) /* AWB Control 18 */
#define	AWB_CTRL19   (0x7BU) /* AWB Control 19 */
#define	AWB_CTRL20   (0x7CU) /* AWB Control 20 */
#define	AWB_CTRL21   (0x7DU) /* AWB Control 21 */
#define	GAM1   (0x7EU) /* Gamma Curve 1st Segment Input End Point (0x04U) Output Value */
#define	GAM2   (0x7FU) /* Gamma Curve 2nd Segment Input End Point (0x08U) Output Value */
#define	GAM3   (0x80U) /* Gamma Curve 3rd Segment Input End Point (0x10U) Output Value */
#define	GAM4   (0x81U) /* Gamma Curve 4th Segment Input End Point (0x20U) Output Value */
#define	GAM5   (0x82U) /* Gamma Curve 5th Segment Input End Point (0x28U) Output Value */
#define	GAM6   (0x83U) /* Gamma Curve 6th Segment Input End Point (0x30U) Output Value */
#define	GAM7   (0x84U) /* Gamma Curve 7th Segment Input End Point (0x38U) Output Value */
#define	GAM8   (0x85U) /* Gamma Curve 8th Segment Input End Point (0x40U) Output Value */
#define	GAM9   (0x86U) /* Gamma Curve 9th Segment Input End Point (0x48U) Output Value */
#define	GAM10   (0x87U) /* Gamma Curve 10th Segment Input End Point (0x50U) Output Value */
#define	GAM11   (0x88U) /* Gamma Curve 11th Segment Input End Point (0x60U) Output Value */
#define	GAM12   (0x89U) /* Gamma Curve 12th Segment Input End Point (0x70U) Output Value */
#define	GAM13   (0x8AU) /* Gamma Curve 13th Segment Input End Point (0x90U) Output Value */
#define	GAM14   (0x8BU) /* Gamma Curve 14th Segment Input End Point (0xB0U) Output Value */
#define	GAM15   (0x8CU) /* Gamma Curve 15th Segment Input End Point (0xD0U) Output Value */
#define	SLOP   (0x8DU) /* Gamma Curve Highest Segment Slope */
#define	DNSTH   (0x8EU) /* De-noise Threshold */
#define	EDGE0   (0x8FU) /* Edge Enhancement Strength Control */
#define	EDGE1   (0x90U) /* Edge Enhancement Threshold Control */
#define	DNSOFF   (0x91U) /* Auto De-noise Threshold Control */
#define	EDGE2   (0x92U) /* Edge Enhancement Strength Upper Limit */
#define	EDGE3   (0x93U) /* Edge Enhancement Strength Upper Limit */
#define	MTX1   (0x94U) /* Matrix Coefficient 1 */
#define	MTX2   (0x95U) /* Matrix Coefficient 2 */
#define	MTX3   (0x96U) /* Matrix Coefficient 3 */
#define	MTX4   (0x97U) /* Matrix Coefficient 4 */
#define	MTX5   (0x98U) /* Matrix Coefficient 5 */
#define	MTX6   (0x99U) /* Matrix Coefficient 6 */
#define	MTX_CTRL   (0x9AU) /* Matrix Control */
#define	MTX_CTRL_DBL_EN   (0x80U) /* Matrix double ON/OFF selection */
#define	BRIGHTNESS   (0x9BU) /* Brightness Control */
#define	CONTRAST   (0x9CU) /* Contrast Gain */
#define	UVADJ0   (0x9EU) /* Auto UV Adjust Control 0 */
#define	UVADJ1   (0x9FU) /* Auto UV Adjust Control 1 */
#define	SCAL0   (0xA0U) /* DCW Ratio Control */
#define	SCAL1   (0xA1U) /* Horizontal Zoom Out Control */
#define	SCAL2   (0xA2U) /* Vertical Zoom Out Control */
#define	FIFODLYM   (0xA3U) /* FIFO Manual Mode Delay Control */
#define	FIFODLYA   (0xA4U) /* FIFO Auto Mode Delay Control */
#define	SDE   (0xA6U) /* Special Digital Effect Control */
#define	SDE_NEGATIVE_EN   (0x40U) /* Negative image enable */
#define	SDE_GRAYSCALE_EN   (0x20U) /* Gray scale image enable */
#define	SDE_V_FIXED_EN   (0x10U) /* V fixed value enable */
#define	SDE_U_FIXED_EN   (0x08U) /* U fixed value enable */
#define	SDE_CONT_BRIGHT_EN   (0x04U) /* Contrast/Brightness enable */
#define	SDE_SATURATION_EN   (0x02U) /* Saturation enable */
#define	SDE_HUE_EN   (0x01U) /* Hue enable */
#define	USAT   (0xA7U) /* U Component Saturation Gain */
#define	VSAT   (0xA8U) /* V Component Saturation Gain */
#define	HUECOS   (0xA9U) /* Cosine value × (0x80U) */
#define	HUESIN   (0xAAU) /* Sine value × (0x80U) */
#define	SIGN_BIT   (0xABU) /* Sign Bit for Hue and Brightness */
#define	DSPAUTO   (0xACU) /* DSP Auto Function ON/OFF Control */
#define	DSPAUTO_AWB_EN   (0x80U) /* AWB auto threshold control */
#define	DSPAUTO_DENOISE_EN   (0x40U) /* De-noise auto threshold control */
#define	DSPAUTO_EDGE_EN   (0x20U) /* Sharpness (edge enhancement) auto strength control */
#define	DSPAUTO_UV_EN   (0x10U) /* UV adjust auto slope control */
#define	DSPAUTO_SCAL0_EN   (0x08U) /* Auto scaling factor control (register SCAL0 ((0xA0U))) */
#define	DSPAUTO_SCAL1_EN   (0x04U) /* Auto scaling factor control (registers SCAL1 ((0xA1U) and SCAL2 ((0xA2U)))*/

Functions
hpm_stat_t	ov7725_init (camera_context_t *context, camera_config_t *ov_config)
	ov7725 initialization routine More...
hpm_stat_t	ov7725_read_register (camera_context_t *context, uint8_t reg, uint8_t *buf)
	ov7725 read register More...
hpm_stat_t	ov7725_write_register (camera_context_t *context, uint8_t reg, uint8_t val)
	ov7725 write register More...
hpm_stat_t	ov7725_software_reset (camera_context_t *context)
	ov7725 reset More...
hpm_stat_t	ov7725_check_chip_id (camera_context_t *context)
	ov7725 check chip id More...
hpm_stat_t	ov7725_load_settings (camera_context_t *context, uint8_t *reg_values, uint32_t count)
	ov7725 load set of register-value pairs More...
void	ov7725_power_up (camera_context_t *context)
	ov7725 power up More...