Camera

Collaboration diagram for Camera:

Data Structures
struct	camera_t

Functions
status_e	camera_init (const struct camera_t *cam)
	Initialize camera. More...
status_e	camera_setup (const struct camera_t *cam, const struct camera_image_options_t *new_options)
	Camera setup. More...
status_e	camera_one_shot_start (const struct camera_t *cam, void(*done_handler)(status_e, const struct camera_t *), void *dst, size_t size)
	Camera take one shot. More...
status_e	camera_one_shot_wait (const struct camera_t *cam)
	Camera wait one shot finished. More...
status_e	camera_one_shot_status (const struct camera_t *cam)
	Camera wait one shot status. More...
status_e	camera_continuous_start (const struct camera_t *cam, void *(*next_handler)(const struct camera_t *), void(*done_handler)(status_e status, const struct camera_t *), size_t size)
	Start continuous capture of camera images. More...
status_e	camera_continuous_stop (const struct camera_t *cam)
	Camera stop continous capture. More...
uint32_t	camera_get_image_size (const struct camera_t *cam)
	Compute image byte size using current parameters. More...

Detailed Description

Function Documentation

status_e camera_init

(

const struct camera_t *

cam

)

Initialize camera.

Parameters

cam	the camera

Returns

NO_ERROR for no problem

Definition at line 273 of file stm32_camera.c.

References Camera_DMA_IRQ_Handler(), DCMI_IRQn, DMA2_Stream1_IRQn, gpio_setup(), gpio_setup_list(), NO_ERROR, NVIC_InitTypeDef::NVIC_IRQChannel, NVIC_InitTypeDef::NVIC_IRQChannelCmd, NVIC_InitTypeDef::NVIC_IRQChannelPreemptionPriority, and NVIC_InitTypeDef::NVIC_IRQChannelSubPriority.

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status_e camera_setup	(	const struct camera_t *	cam,
		const struct camera_image_options_t *	new_options
	)

Camera setup.

Parameters

cam	the camera
new_options	the new options

Returns

NO_ERROR for no problem

Definition at line 342 of file stm32_camera.c.

References camera_continuous_start(), camera_continuous_stop(), and NO_ERROR.

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status_e camera_one_shot_start	(	const struct camera_t *	cam,
		void(*)(status_e, const struct camera_t *)	done_handler,
		void *	dst,
		size_t	size
	)

Camera take one shot.

Parameters

cam	the camera
done_handler	the handler when image is taken, can be NULL
dst	where to put the data
size	the size of the data

Returns

NO_ERROR for no problem

Definition at line 485 of file stm32_camera.c.

References memset(), and NO_ERROR.

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status_e camera_one_shot_wait

(

const struct camera_t *

cam

)

Camera wait one shot finished.

Parameters

cam	the camera

Returns

NO_ERROR for no problem

Definition at line 455 of file stm32_camera.c.

References ERROR_TIMEOUT, time_elapsed(), and time_set_timeout_ms().

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status_e camera_one_shot_status

(

const struct camera_t *

cam

)

Camera wait one shot status.

Returns

ERROR_AGAIN when not finished, NO_ERROR for no problem

Definition at line 472 of file stm32_camera.c.

References ERROR_AGAIN.

status_e camera_continuous_start	(	const struct camera_t *	cam,
		void *(*)(const struct camera_t *)	next_handler,
		void(*)(status_e status, const struct camera_t *)	done_handler,
		size_t	size
	)

Start continuous capture of camera images.

Parameters

*cam	the camera
*next_handler
*done_handler
size

Returns

NO_ERROR for no problem

Definition at line 409 of file stm32_camera.c.

References ERROR_BAD_PARAM, memset(), and NO_ERROR.

Referenced by camera_setup().

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status_e camera_continuous_stop

(

const struct camera_t *

cam

)

Camera stop continous capture.

Returns

NO_ERROR for no problem

Definition at line 373 of file stm32_camera.c.

References NO_ERROR, time_elapsed(), and time_set_timeout_ms().

Referenced by camera_setup().

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uint32_t camera_get_image_size

(

const struct camera_t *

cam

)

Compute image byte size using current parameters.

Returns

byte size of the image

Definition at line 536 of file stm32_camera.c.