Differences

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--- documentation:webcam [2015/12/05 11:06] – nine
+++ documentation:webcam [2015/12/26 18:40] (current) – [Camera] nine
@@ Line 19: / Line 19: @@
 Identifizierte Karte:
 <code>
-echo "man:$(cat manfid) oem:$(cat oemid) name:$(cat name) hwrev:$(cat hwrev) fwrev:$(cat fwrev)"
 man:0x00006f oem:0x0000 name:SMI   hwrev:0x1 fwrev:0x0
 </code>
@@ Line 44: / Line 43: @@
   - Wird die Option gefunden, so kann sie für EXT4 wiefolgt deaktiviert werden:<code>
 sudo e2fsck /dev/to_sd_card
-sudo tune2fs -O ^has_journal /dev/to_sd_card
+sudo tune2fs -O^has_journal /dev/to_sd_card
 sudo e2fsck -f /dev/to_sd_card
 </code>
-  - In /etc/fstab für die jeweiligen Partitionen folgende Option hinzufügen:<code>
+  - In /etc/fstab für die jeweiligen Partitionen die Option **data=writeback,noatime,nodiratime** hinzufügen, also<code>
-data=writeback
+/dev/mmcblk0p2  /               ext4    defaults,data=writeback,noatime,nodiratime  0       1
 </code>
+===== WIFI =====
+<code>
+pi@raspberrypi:~ $ cat /etc/network/interfaces
+# interfaces(5) file used by ifup(8) and ifdown(8)
+# Please note that this file is written to be used with dhcpcd
+# For static IP, consult /etc/dhcpcd.conf and 'man dhcpcd.conf'
+# Include files from /etc/network/interfaces.d:
+source-directory /etc/network/interfaces.d
+auto lo
+iface lo inet loopback
+iface eth0 inet dhcp
+allow-hotplug wlan0
+iface wlan0 inet dhcp
+wireless-essid <YOUR-ESSID-HERE>
+</code>
+===== Camera =====
+<code>
+sudo apt-get install vlc-nox
+sudo rmmod bcm2835-v4l2
+sudo modprobe bcm2835-v4l2
+</code>
+show driver info:
+<code>
+pi@raspberrypi:~ $ v4l2-ctl --info
+Driver Info (not using libv4l2):
+	Driver name   : bm2835 mmal
+	Card type     : mmal service 16.1
+	Bus info      : platform:bcm2835-v4l2
+	Driver version: 4.1.13
+	Capabilities  : 0x85200005
+		Video Capture
+		Video Overlay
+		Read/Write
+		Streaming
+		Extended Pix Format
+		Device Capabilities
+	Device Caps   : 0x05200005
+		Video Capture
+		Video Overlay
+		Read/Write
+		Streaming
+		Extended Pix Format
+</code>
+configure v4l2 driver
+show driver options
+<code>
+v4l2-ctl --list-ctrls
+</code>
+<code>
+# set (maximum) frame-rate
+v4l2-ctl -p 15
+# set auto-exposure (for night-capture)
+v4l2-ctl --set-ctrl=exposure_dynamic_framerate=1
+</code>
+start stream
+<code>
+cvlc v4l2:///dev/video0 --v4l2-width 1920 --v4l2-height 1080 --v4l2-chroma h264 \
+   --sout '#std{access=http,mux=ts,dst=0.0.0.0:12345}'
+</code>
+anzeigen am client:
+<code>
+vlc http://XX.XX.XX.XX:12345
+</code>
+für "normalen" modus, zb für raspistill, v4l2 modul entfernen
+<code>
+sudo rmmod bcm2835-v4l2
+</code>