camera_open()

Request a handle to access a logical camera unit

Synopsis:

#include <camera/camera_api.h>

camera_error_t camera_open(camera_unit_t unit,
                           uint32_t mode,
                           camera_handle_t *handle)

Arguments:

unit: The logical camera unit to open.
mode: The access mode of the camera, which is comprised of the Camera access mode flags ORed together.
handle: A pointer to the returned camera handle if access is granted.

Library:

libcamapi

Description:

If the camera is available, a handle for exclusive access to the camera unit is returned. You must pass in a camera_handle_t value to store the handle. You must also have access permissions to use the camera.

Note:

This function call may block for several seconds if another application already has the camera open.

Returns:

CAMERA_EOK when the function successfully completes, otherwise another camera_error_t value that provides the reason that the call failed.