Initialization and configuration of the MT9F002 CMOS Chip. More...

#include "std.h"
#include "mcu_periph/i2c.h"
#include "generated/airframe.h"

Include dependency graph for mt9f002.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	mt9f002_t

Macros
#define	CFG_SCALER_M_MIN 16

#define	CFG_SCALER_M_MAX 128

#define	CFG_MT9F002_WINDOW_WIDTH_MIN 1

#define	CFG_MT9F002_WINDOW_HEIGHT_MIN 1

#define	CFG_MT9F002_PIXEL_ARRAY_HEIGHT 3288

#define	CFG_MT9F002_PIXEL_ARRAY_WIDTH 4608

#define	CFG_MT9F002_X_ADDR_MIN 24

#define	CFG_MT9F002_X_ADDR_MAX 4647

#define	CFG_MT9F002_Y_ADDR_MIN 0

#define	CFG_MT9F002_Y_ADDR_MAX CFG_MT9F002_PIXEL_ARRAY_HEIGHT

#define	RES_VGA 0

#define	RES_720p 1

#define	RES_720p_4_3 2

#define	RES_1080p 3

#define	RES_1080p_4_3 4

#define	RES_FULL 5

#define	MT9F002_OUTPUT_WIDTH 640

#define	MT9F002_OUTPUT_HEIGHT 640

#define	MT9F002_OFFSET_X 0.

#define	MT9F002_OFFSET_Y 0.

#define	MT9F002_ZOOM 1.

#define	MT9F002_TARGET_FPS 30

#define	MT9F002_FOCAL_X (MT9F002_ZOOM * MT9F002_OUTPUT_WIDTH / 2.f)

#define	MT9F002_FOCAL_Y (MT9F002_ZOOM * MT9F002_OUTPUT_HEIGHT / 2.f)

#define	MT9F002_CENTER_X (MT9F002_OUTPUT_WIDTH * (.5f - MT9F002_ZOOM * MT9F002_OFFSET_X))

#define	MT9F002_CENTER_Y (MT9F002_OUTPUT_HEIGHT * (.5f - MT9F002_ZOOM * MT9F002_OFFSET_Y))

#define	MT9F002_DHANE_K 1.25f

Enumerations
enum	mt9f002_interface { MT9F002_MIPI, MT9F002_HiSPi, MT9F002_PARALLEL }

Functions
void	mt9f002_init (struct mt9f002_t *mt)
	Initialisation of the Aptina MT9F002 CMOS sensor (front camera) More...

void	mt9f002_reset_exposure (struct mt9f002_t *mt)

void	mt9f002_set_exposure (struct mt9f002_t *mt)
	Set the exposure configuration Depends on the blanking (and therefore the FPS) More...

void	mt9f002_reset_color (struct mt9f002_t *mt)

void	mt9f002_set_gains (struct mt9f002_t *mt)
	Sets the GreenR, Blue, Red and GreenB gains. More...

void	mt9f002_setting_update_resolution (float in)

void	mt9f002_setting_update_color (float in)

void	mt9f002_setting_update_exposure (float in)

Variables
struct mt9f002_t	mt9f002

float	mt9f002_send_resolution

float	mt9f002_send_color

float	mt9f002_send_exposure

Detailed Description

Initialization and configuration of the MT9F002 CMOS Chip.

Definition in file mt9f002.h.

Data Structure Documentation

struct mt9f002_t

Definition at line 133 of file mt9f002.h.

Collaboration diagram for mt9f002_t:

Data Fields
uint16_t	frame_length	Calculated frame length of blanking.
float	gain_blue	Gain for the Blue pixels [1., 63.50].
float	gain_green1	Gain for the GreenR pixels [1., 63.50].
float	gain_green2	Gain for the GreenB pixels [1., 63.50].
float	gain_red	Gain for the Red pixels [1., 63.50].
struct i2c_periph *	i2c_periph	I2C peripheral used to communicate over.
struct i2c_transaction	i2c_trans	I2C transaction for communication with CMOS chip.
float	input_clk_freq	Input clock frequency.
enum mt9f002_interface	interface	Interface used to connect.
uint16_t	line_length	Calculated line length of blanking.
uint16_t	offset_x	Offset from left in pixels.
uint16_t	offset_y	Offset from top in pixels.
float	op_pix_clk	Calculated based on PLL.
uint16_t	op_pix_clk_div	Fixed PLL config from calculator tool.
uint16_t	op_sys_clk_div	Fixed PLL config from calculator tool.
uint16_t	output_height	Output height.
uint16_t	output_scaler	Output scaler.
uint16_t	output_width	Output width.
uint16_t	pll_multiplier	Fixed PLL config from calculator tool.
uint16_t	pre_pll_clk_div	Fixed PLL config from calculator tool.
float	real_exposure	Real exposure time in ms.
float	real_fps	Real calculated FPS.
uint8_t	row_speed_10_8	Fixed PLL config from calculator tool.
uint8_t	rowSpeed_2_0	Fixed PLL config from calculator tool.
uint16_t	scaled_height	Height after corrected scaling.
uint16_t	scaled_width	Width after corrected scaling.
uint16_t	sensor_height
uint16_t	sensor_width
float	set_offset_x	Signed fractional offset from centre of image of original sensor [-0.5,0.5].
float	set_offset_y	Signed fractional offset from centre of image of original sensor [-0.5,0.5].
float	set_zoom	Image zoom set point.
uint8_t	shift_vt_pix_clk_div	Fixed PLL config from calculator tool.
float	target_exposure	Target exposure time in ms.
float	target_fps	FPS wanted.
float	vt_pix_clk	Calculated based on PLL.
uint16_t	vt_pix_clk_div	Fixed PLL config from calculator tool.
uint16_t	vt_sys_clk_div	Fixed PLL config from calculator tool.
uint8_t	x_odd_inc	X increment for subsampling (1,3,7,15,31 accepted)
uint8_t	y_odd_inc	Y increment for subsampling (1,3,7,15,31 accepted)