Difference between revisions of "OV7670"

Revision as of 11:42, 22 January 2014

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Available commercial modules:

• http://www.elechouse.com/elechouse/index.php?main_page=product_info&cPath=168_169&products_id=803&zenid=0499c29be9e834578ef67f2012de5a4b
• others ?

Kernel config

• Done by default on APF27

$ make linux-menuconfig

Device Drivers  --->
    Multimedia devices  --->
        [*] Video capture adapters  --->
            ...
            <M>   SoC camera support
            ...
            <M>     ov7670 camera support
            ...

Usage

# modprobe mx27_camera

Linux video capture interface: v2.00
mx27-camera mx27-camera.0: initialising
mx27-camera mx27-camera.0: Camera clock frequency: 33250006
mx27-camera mx27-camera.0: Using EMMA

# modprobe ov7670_soc

OmniVision ov7670 sensor driver, at your service
camera 0-0: Camera driver attached to camera 0
mx27-camera mx27-camera.0: mclk_get_divisor not implemented. Running at max speed
ov7670 0-0021: initializing
ov7670 0-0021: found an 0V7670 sensor
camera 0-0: Camera driver detached from camera 0

Test

# capture --cam_width 640 --cam_height 480 --width 640 --height 480 &