Difference between revisions of "OV7670"
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* http://www.elechouse.com/elechouse/index.php?main_page=product_info&cPath=168_169&products_id=803&zenid=0499c29be9e834578ef67f2012de5a4b | * http://www.elechouse.com/elechouse/index.php?main_page=product_info&cPath=168_169&products_id=803&zenid=0499c29be9e834578ef67f2012de5a4b | ||
* others ? | * others ? | ||
| + | |||
| + | ==Connecting the Elechouse module to the APF27== | ||
| + | * OV7670 normally needs a 1,8V logic core voltage and an I/O Voltage >= 2,5V, but the modules don't care about 1,8V... Strange but it seems to work... | ||
| + | * Montage is straightforward, only a special cable is needed (or single wires): | ||
==Kernel config== | ==Kernel config== | ||
Revision as of 13:06, 22 January 2014
Page under construction...
Informations on this page are not guaranteed !!
Available commercial modules:
Connecting the Elechouse module to the APF27
- OV7670 normally needs a 1,8V logic core voltage and an I/O Voltage >= 2,5V, but the modules don't care about 1,8V... Strange but it seems to work...
- Montage is straightforward, only a special cable is needed (or single wires):
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 &
