camera_set_manual_focus_step()
Change the focus to a desired level manually on the camera.
Synopsis:
#include <camera/camera_api.h>
camera_error_t camera_set_manual_focus_step(camera_handle_t handle, int step)
Arguments:
- handle
-
The handle returned by a call to the camera_open() function.
- step
-
The location to set the focus. Use the camera_get_manual_focus_step() function to retrieve the details on the range accepted for this argument.
Library:
libcamapiDescription:
This function can be called if the CAMERA_FEATURE_MANUALFOCUS feature is available. You can determine whether the feature is available by calling the camera_can_feature() function.
Before you can change the focus manually, you need to set the camera to CAMERA_FOCUSMODE_MANUAL using the camera_set_focus_mode() function.
Returns:
CAMERA_EOK when the function successfully completes, otherwise another camera_error_t value that provides the reason that the call failed.