[[PageOutline]]

= note =
 * 查詢那些程式開了那些 port
   * http://herolin.twbbs.org/entry/how-to-check-port-which-used-program-for-windows-and-linux/
     * losf 無法使用。
 * 規格參考：
   * http://item.taobao.com/item.htm?spm=a230r.1.14.137.dn3xh0&id=21948660179
   * http://item.taobao.com/item.htm?id=19030341711&ali_refid=a3_420791_1007:1104801906:7::87a956e4b0f948e2a6c62939556f1359&ali_trackid=1_87a956e4b0f948e2a6c62939556f1359&spm=0.0.0.0.36LCkX
   * http://detail.tmall.com/item.htm?spm=a230r.1.14.13.QbH1Co&id=15504630386&ad_id=&am_id=&cm_id=140105335569ed55e27b&pm_id=

= 設定 =
== 鍵盤設定 keyboard layout ==
 * 將鍵盤設定為 us layout 配置，否則「|」、「#」、「"」會打不出來。
{{{
sudo vim.tiny /etc/default/keyboard
更改
XKBLAYOUT="us"
}}}
== 無線網路設定 ==
 * WPA 密碼設定：
   * 設定檔：/etc/network/interfaces
{{{
# allow-hotplug wlan0
iface wlan0 inet manual
wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
iface default inet static
    address 10.1.2.20
    netmask 255.255.255.0
    network 10.1.2.0
    gateway 10.1.2.1
}}}
  * 使用 DHCP 設定 IP：
{{{
# allow-hotplug wlan0
iface wlan0 inet manual
wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
iface default inet dhcp
}}}
 * 手動設定 IP 設定檔：/etc/wpa_supplicant/wpa_supplicant.conf
{{{
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1

network={
    ssid="Your SSID Here"
    proto=RSN
    key_mgmt=WPA-PSK
    pairwise=CCMP TKIP
    group=CCMP TKIP
    psk="YourPresharedKeyHere"
}
}}}
 * 重新啟動無線網路。
{{{
# sudo ifdown wlan0
# sudo ifup wlan0
ioctl[SIOCSIWAP]: Operation not permitted
ioctl[SIOCSIWENCODEEXT]: Invalid argument
ioctl[SIOCSIWENCODEEXT]: Invalid argument
}}}
 * 觀看無線網路狀態：
{{{
# iwconfig
lo        no wireless extensions.

eth1      no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:"Your SSID Here"  Nickname:"<WIFI@REALTEK>"
          Mode:Managed  Frequency:2.442 GHz  Access Point: NN:NN:NN:NN:NN:NN   
          Bit Rate:54 Mb/s   Sensitivity:0/0  
          Retry:off   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=100/100  Signal level=95/100  Noise level=0/100
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

eth0      no wireless extensions.
}}}
= 套件 =
== webcam1 ==
 * http://gsyan888.blogspot.tw/2013/04/raspberry-pi-webcam-server.html
 * http://pingbin.com/2012/12/raspberry-pi-web-cam-server-motion/
 * 設定檔：
{{{
    #lsusb   看是否抓到 webcam

    #sudo vim.tiny /etc/motion/motion  設定
    daemon : 設定為 on
    webcam_localhost : 設定為 off 

    #sudo vim.tiny /etc/default/motion
    start_motion_daemon=yes
}}}
 * 啟動：
{{{
    #sudo service motion start
}}}
 * 觀看服務狀態：
{{{
    #netstat -na | grep 8081
    tcp        0      0 0.0.0.0:8081            0.0.0.0:*               LISTEN
}}}
 * 於 browser 中輸入「http://192.168.2.1:8081」即可觀看

== webcam2 ==
 * h.264 --> compress --> redirect to web browser
 * h.264 --> nfs --> compress --> web browser
 * keywork: raspberry pi ffmpeg streaming
 * http://3homers.blogspot.tw/2008/06/ffmpeg-h264.html
 * http://www.raspberrypi.org/camera , no web
 * http://blog.miguelgrinberg.com/post/stream-video-from-the-raspberry-pi-camera-to-web-browsers-even-on-ios-and-android Stream Video from the Raspberry Pi Camera to Web Browser
 * http://www.raspberrypi.org/phpBB3/viewtopic.php?f=26&t=7557 Real-time webcam streaming tutorial, try change /dev/video0 to RPI camera. 
 * http://thkaw.pixnet.net/blog/post/97918585-%5Braspberry-pi%5D_%E5%B9%ABpi%E8%A3%9D%E4%B8%8Awebcam%E5%81%9Astream-server%E5%8D%B3%E6%99%82%E5%82%B3%E8%BC%B8  [Raspberry Pi]_幫Pi裝上Webcam做stream server即時傳輸監控影像, mjpeg
 * http://www.raspberrypi.org/archives/3890 , use netcat and mplayer, not work.
   * http://blog.timc3.com/2009/02/10/mplayer-disable-lirc/  error Failed to open LIRC support. You will not be able to use your remote control.
 * https://www.modmypi.com/blog/raspberry-pi-camera-board-raspivid-command-list  raspivid 
 * http://blog.longwin.com.tw/2012/02/nc-data-send-socket-server-2012/ command nc
 * http://tw.myblog.yahoo.com/stevegigijoe/article?mid=183&sc=1 h.264
 * http://mplayerhq.hu/pipermail/mplayer-users/2011-August/083160.html how to play h.264 raw file
 * http://www.raspberrypi.org/phpBB3/viewtopic.php?t=45368  Streaming Raspberry Pi Camera H264 into HTML over RTMP
   * http://www.longtailvideo.com/jw-player/download/thank-you

 

== CNC ==
 * http://bb-lcnc.blogspot.tw/2013/09/new-machinekit-image-available.html

== GPIO ==
 * https://pypi.python.org/pypi/pip
 * http://cheng-min-i-taiwan.blogspot.tw/2013/04/raspberry-pi-python.html
 * https://code.google.com/p/raspberry-gpio-python/wiki/Outputs
 * https://pypi.python.org/pypi/RPi.GPIO
 * http://yehnan.blogspot.tw/2012/07/raspberry-pigpioled.html

== mp3 player ==
 * http://www.raspberrypi-spy.co.uk/2013/06/raspberry-pi-command-line-audio/
{{{
    sudo apt-get -y install mpg321
    mpg321 test.mp3
}}}


= 作品 =
 * http://www.theregister.co.uk/2013/02/13/pi_carbot/ 自走車

= Reference =
 * http://kerneldriver.wordpress.com/2012/10/21/configuring-wpa2-using-wpa_supplicant-on-the-raspberry-pi/