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→Permissions
== Camera setup ==
== Camera setup ==
[https://www.raspberrypi.org/help/camera-module-setup/ Setup]
== Permissions ==
Create a group with permission tu use the camera, and add the user that will be using it:
<nowiki>
# echo 'SUBSYSTEM=="vchiq",GROUP="video",MODE="0660"' \
> > /etc/udev/rules.d/10-vchiq-permissions.rules
# usermod -a -G video pi</nowiki>
Reboot.
Set paths:
edit $HOME/.bashrc, add:
add:
<nowiki>
export PATH=$PATH:/opt/vc/bin
export LD_LIBRARY_PATH=$LD_LIBRARYPATH:/opt/vc/lib</nowiki>
== Bash ==
== Bash ==
{| class="wikitable"
{| class="wikitable"
| raspiyuv || Capturing still photographs and generating raw unprocessed image files
| raspiyuv || Capturing still photographs and generating raw unprocessed image files
|}
|}
== Python ==
First install the python-picamera
<nowiki>
sudo apt-get update
sudo apt-get install python-picamera</nowiki>
== Usage ==
<source lang="python">
# Import module
import picamera
# Create an instance
camera = picamera.PiCamera()
# Take a picture
camera.capture('image.jpg')
# Horizontal/Vertical flip
camera.hflip = True
camera.vflip = True
# Start/Stop preview
camera.start_preview()
camera.stop_preview()
# Camera Settings
camera.brightness = 70 #Defoult is 50
# Other settings default values:
camera.sharpness = 0
camera.contrast = 0
camera.brightness = 50
camera.saturation = 0
camera.ISO = 0
camera.video_stabilization = False
camera.exposure_compensation = 0
camera.exposure_mode = 'auto'
camera.meter_mode = 'average'
camera.awb_mode = 'auto'
camera.image_effect = 'none'
camera.color_effects = None
camera.rotation = 0
camera.hflip = False
camera.vflip = False
camera.crop = (0.0, 0.0, 1.0, 1.0)
# Video recording
camera.start_recording('video.h264')
sleep(5)
camera.stop_recording()
</source>
[http://picamera.readthedocs.org/ python-picamera documentation]