Camera access mode flags

Updated: May 06, 2022

The camera access mode flags that are passed to camera_open() to indicate the type of access required

Synopsis:

#include <camera/camera_api.h>
enum {
    CAMERA_MODE_PREAD =      1<<0,
    CAMERA_MODE_PWRITE =     1<<1,
    CAMERA_MODE_DREAD =      1<<2,
    CAMERA_MODE_DWRITE =     1<<3,
    CAMERA_MODE_ROLL =       1<<4,
    CAMERA_MODE_RO =         (CAMERA_MODE_PREAD | CAMERA_MODE_DREAD),
    CAMERA_MODE_RW =         (CAMERA_MODE_PREAD | CAMERA_MODE_PWRITE |
                              CAMERA_MODE_DREAD | CAMERA_MODE_DWRITE)
};

Data:

CAMERA_MODE_PREAD
Read access to the camera configuration.
CAMERA_MODE_PWRITE
Write access to the camera configuration.
CAMERA_MODE_DREAD
Read access to the camera imaging datapath (image buffers).
CAMERA_MODE_DWRITE
Write access to the camera imaging datapath (image buffers).
CAMERA_MODE_ROLL
Access to the camera roll.

The camera roll creates uniquely named files in the camera roll directory.

CAMERA_MODE_RO
The application has read-only access to the camera's configuration and imaging datapath.
CAMERA_MODE_RW
The application has read and write access to the camera's configuration and imaging datapath.

Use this as an alias for CAMERA_MODE_PREAD, CAMERA_MODE_PWRITE, CAMERA_MODE_DREAD, and CAMERA_MODE_DWRITE.

Library:

libcamapi