锘??xml version="1.0" encoding="utf-8" standalone="yes"?>一本色道久久综合亚洲精品,久久精品蜜芽亚洲国产AV,久久强奷乱码老熟女 http://www.shnenglu.com/codejie/category/20708.htmlUsing C++ zh-cn Thu, 31 Oct 2013 14:16:32 GMT Thu, 31 Oct 2013 14:16:32 GMT 60 RaspberryPi : set WiFi network without a monitor http://www.shnenglu.com/codejie/archive/2013/10/31/204028.htmlcodejie codejie Thu, 31 Oct 2013 14:10:00 GMT http://www.shnenglu.com/codejie/archive/2013/10/31/204028.html http://www.shnenglu.com/codejie/comments/204028.html http://www.shnenglu.com/codejie/archive/2013/10/31/204028.html#Feedback 0 http://www.shnenglu.com/codejie/comments/commentRss/204028.html http://www.shnenglu.com/codejie/services/trackbacks/204028.html
鏈嬪弸鍙堟嬁鏉ヤ釜RaspberryPi, 鐢ㄦ潵鎹㈣蛋閰嶇疆浜咮MP085嫻嬫俯浼犳劅鍣ㄧ殑鍙︿竴涓? 鑰屾柊鐨勮繖涓鐢ㄦ潵璋冭瘯Element14.com鐨勬憚鍍忓ご.
浜庢槸涓嬭澆Raspbain, image鍒癝D鍗′笂, 鍐嶆惉鍑烘湅鍙嬫嬁鏉ョ殑鏄劇ず鍣ㄦ潵閰峎IFI...涓嶅, 騫插槢榪樿鐢ㄦ樉紺哄櫒鍛?..
涓婃鐢ㄦ樉紺哄櫒, 鎸夌収'鏍囧噯嫻佺▼'閰嶇疆浜哤IFI, 寰堟槸楹葷儲(瑙嗛綰夸笉濂芥壘鍟?.), 鍚庢潵鏌愬ぉ鎷跨潃Pi涓婁笅緲昏漿鏃?涓撲笟鍔ㄤ綔, 璇峰嬁妯′豢), 紿佺劧鍙戠幇 -- RaspberryPi涓婁笉鏄繕鏈変釜鏍囧噯鐨凟thernet鎺ュ彛鍚?!
鎵浠ュ憿, 鏃犳樉紺烘儏鍐典笅閰嶇疆RaspberryPi鐨刉iFi瀹為檯寰堢畝鍗?-- 閫氳繃鏈夌嚎緗戠粶, 閰嶇疆鏃犵嚎緗戠粶 .
棣栧厛(浣犺鏈変釜濡瑰瓙) 鎵炬牴緗戠嚎, 鎶奟aspberryPi榪炴帴鍒拌礬鐢卞櫒涓? 鍐嶉氳繃璺敱鍣ㄩ厤緗〉闈㈣幏寰楀叾鏈夌嚎緗戝崱鐨処P鍦板潃. 鏈変簡榪欎釜IP灝卞彲浠SH鍒癛aspberryPi涓婇厤緗叾鏃犵嚎WiFi浜? 榪囩▼濡備笅:
1. 鑾峰緱鏈夌嚎緗戝崱鐨処P鍦板潃
RaspberryPi鐨凥ost鍚嶇О灝辨槸raspberrypi, 濂借鍙堝ソ璁板晩..
2. 閫氳繃SSH鐧誨綍RaspberryPi
RaspberryPi鐨勭己鐪佺敤鎴峰悕/瀵嗙爜鏄痯i/raspberry, 涓鏍峰ソ璁ゅ張濂借鍟?. 榛樿鍙兘鐢⊿SH鐧誨綍, 浼犵粺鐨凾elnet鏄笉鏀寔鐨?
3. 媯鏌ュ綋鍓峈aspberryPi緗戠粶閰嶇疆
閫氳繃ifconfig鍛戒護鍙互鐪嬪嚭鏃犵嚎緗戠粶宸茬粡閰嶇疆浜? 鍙槸娌℃湁琚垎閰嶅湴鍧
pi@raspberrypi:~$ ifconfig -a eth0 Link encap:Ethernet HWaddr b8:27:eb:10:70:cf inet addr:192.168.1.106 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:579 errors:0 dropped:0 overruns:0 frame:0 TX packets:247 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:85440 (83.4 KiB) TX bytes:32266 (31.5 KiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)wlan0 Link encap:Ethernet HWaddr e8:4e:06:13:0c:50 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
閫氳繃鏌ョ湅interfaces鏂囦歡涔熻兘鐪嬪埌鏃犵嚎緗戝崱鏄厤緗ソ鐨?br /> pi@raspberrypi:~$ cat /etc/network/interfaces auto lo iface lo inet loopback iface eth0 inet dhcp allow-hotplug wlan0 iface wlan0 inet manual wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf iface default inet dhcp
鏌ョ湅鐩稿搴旂殑鏃犵嚎閰嶇疆鏂囦歡, 鍙敤鍙戠幇娌℃湁鍙敤鐨刵etwork琚厤緗?/div>
pi@raspberrypi:~$ sudo cat /etc/wpa_supplicant/wpa_supplicant.conf ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1
4. 閰嶇疆鏃犵嚎緗戠粶鍙傛暟
鎵浠ュ憿, 鍔犱笂綾諱技涓嬮潰鐨勬棤綰跨綉緇滃弬鍔犲氨濂戒簡. 鍏蜂綋鐨勬棤綰跨綉緇滅幆澧冮厤緗弬鏁頒細鏈夋墍涓嶅悓, 閭e彲鑳藉氨闇瑕佸弬鐪嬪叾瀹冩枃妗d簡.
pi@raspberrypi:~$ sudo cat /etc/wpa_supplicant/wpa_supplicant.conf ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1
network={ ssid="Jie's" psk="Helloworld?" proto=RSN key_mgmt=WPA-PSK pairwise=CCMP auth_alg=OPEN }
OK, reboot鍚? 鎴戜滑鍐嶇湅RaspberryPi鐨勭綉緇? 鏃犵嚎閰嶅ソ浜? 閭d箞鎷旀帀緗戠嚎, 鐜╁幓鍚?...
pi@raspberrypi:~$ ifconfig -a eth0 Link encap:Ethernet HWaddr b8:27:eb:10:70:cf inet addr:192.168.1.106 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:92 errors:0 dropped:1 overruns:0 frame:0 TX packets:79 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:12649 (12.3 KiB) TX bytes:10894 (10.6 KiB)
lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:8 errors:0 dropped:0 overruns:0 frame:0 TX packets:8 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1104 (1.0 KiB) TX bytes:1104 (1.0 KiB)
wlan0 Link encap:Ethernet HWaddr e8:4e:06:13:0c:50 inet addr:192.168.1.102 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:71 errors:0 dropped:77 overruns:0 frame:0 TX packets:5 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:15377 (15.0 KiB) TX bytes:1398 (1.3 KiB)
]]>
RaspberryPi : Auto-setup wifi connection on RaspBMC system http://www.shnenglu.com/codejie/archive/2013/10/16/203780.htmlcodejie codejie Wed, 16 Oct 2013 15:51:00 GMT http://www.shnenglu.com/codejie/archive/2013/10/16/203780.html http://www.shnenglu.com/codejie/comments/203780.html http://www.shnenglu.com/codejie/archive/2013/10/16/203780.html#Feedback 0 http://www.shnenglu.com/codejie/comments/commentRss/203780.html http://www.shnenglu.com/codejie/services/trackbacks/203780.html
RaspBMC绔熺劧涓嶆敮鎸佽嚜鍔╓IFI緗戠粶榪炴帴, 鍙槸鎬ユ浜哄晩...
灝濊瘯浜嗘棤鏁版, 榪樻槸琚挶鎼炲畾浜?..鍏堣褰曚笅鏉? 鏄庡ぉ閲嶈緋葷粺鍐嶈瘯璇? 鐫¤鍘諱簡瑕亊
pi@raspbmc:~$ vi /etc/network/interfaces
auto lo
iface lo inet loopback
allow-hotplug eth0
iface eth0 inet dhcp
allow-hotplug wlan0
iface wlan0 inet dhcp
# wpa-driver wext
#wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
#wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
pre-up wpa_supplicant -Dwext -iwlan0 -c/etc/wpa_supplicant/wpa_supplicant.conf -B
iface default inet dhcp
pi@raspbmc:~$ vi /etc/wpa_supplicant/wpa_supplicant.conf update_config=1 ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev network={ ssid=" Jie's " psk=" Helloworld? " proto=RSN key_mgmt=WPA-PSK pairwise=CCMP auth_alg=OPEN }
]]> RaspberryPi : Fetch data via BMP085 sensor http://www.shnenglu.com/codejie/archive/2013/10/15/203759.htmlcodejie codejie Tue, 15 Oct 2013 15:41:00 GMT http://www.shnenglu.com/codejie/archive/2013/10/15/203759.html http://www.shnenglu.com/codejie/comments/203759.html http://www.shnenglu.com/codejie/archive/2013/10/15/203759.html#Feedback 0 http://www.shnenglu.com/codejie/comments/commentRss/203759.html http://www.shnenglu.com/codejie/services/trackbacks/203759.html
鏄ㄥぉ鍚冧簡絀? 鎷垮嚭鏍戣帗媧劇帺, 鎯寵瘯璇曠敤瀹冩斁涓珮娓呯鏄暐鏁堟灉,緇撴灉鎮插墽鐨勬槸楂樻竻紕熸病鏀懼嚭, 榪樻妸緋葷粺鎼炴浜? 娌℃硶鍙ソ閲嶈浜嗙郴緇? 涔熷ソ, 灝遍殢渚胯褰曚簡涓嬩粠BMP085涓婅鍙栨暟鎹殑鏁翠釜榪囩▼.
鍥犱負鍜卞紜歡涓嶇啛鎮? 涔熷氨涓嶇綏鍡︽爲鑾撴淳緋葷粺鎬庝箞鍚姩, 浼犳劅鍣ㄦ庝箞榪炴帴絳夌瓑闂浜? 鍙嶆榪欎簺闂鎴戝叏鏄痝oogle鏉ョ殑. 榪欓噷鎴戜粠鏍戣帗媧懼惎鍔ㄥ畬鎴? BMP085榪炴帴瀹屾垚寮濮嬭浜?
1. 嬋媧籌2C鎬葷嚎
BMP085浼犳劅鍣?/a>浣跨敤鐨勬槸I2C鎬葷嚎, 瑕佹兂璁塊棶榪炴帴鍦ㄤ笂闈㈢殑BMP085, 灝卞繀欏誨厛嬋媧籌2C鎬葷嚎, 鍥犱負榛樿鎯呭喌涓? 鏍戣帗媧炬槸鍏抽棴I2C鎬葷嚎鐨?
a. 淇敼緋葷粺'妯″潡榛戝悕鍗?閰嶇疆
濡備笅鍛戒護, 灝唅2c鎬葷嚎浠庣郴緇熼粯璁ょ殑榛戝悕鍗曚腑鍓旈櫎pi@raspberrypi:~/Adafruit-Raspberry-Pi-Python-Code-master/Adafruit_BMP085$ vi /etc/modprobe.d/raspi-blacklist.conf# blacklist spi and i2c by default (many users don't need them) blacklist spi-bcm2708 blacklist i2c-bcm2708
娉ㄩ噴鎺塱2c妯″潡閰嶇疆# blacklist i2c-bcm2708
b. 嬋媧籭2c鎬葷嚎
pi@raspberrypi:~$ sudo modprobe i2c-dev
閲嶅惎鍚? 閫氳繃涓嬪垪鍛戒護鍙互鐪嬪埌i2c鎬葷嚎宸茬粡嬋媧?鍙互浣跨敤浜?
pi@raspberrypi:~$ ls /dev/i2c*
/dev/i2c-0 /dev/i2c-1
鎴栬?pi@raspberrypi:~$ sudo i2cdetect -l i2c-0 i2c bcm2708_i2c.0 I2C adapter i2c-1 i2c bcm2708_i2c.1 I2C adapter
鎴栬?pi@raspberrypi:~$ sudo i2cdetect -y 1 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 70: -- -- -- -- -- -- -- 77
榪欓噷鐨?7, 灝辨槸鎴戜滑鐨凚MP085浜?(BMP085鍦↖2C璁懼涓殑緙栧彿鏄?x77)
鍒版BMP085閰嶇疆瀹屾垚, 鍙互浣跨敤浜? 浣嗚寰楁瘡嬈℃爲鑾撴淳閲嶅惎鍚? 閮介渶瑕侀噸鏂版縺媧籌2C鎬葷嚎, 瑕佹兂鍋鋒噿, 閭e氨鍦ㄧ郴緇熷惎鍔ㄦā鍧楅厤緗腑娣誨姞I2C妯″潡, 濡備笅鍛戒護:pi@raspberrypi:~$ sudo vi /etc/modules# /etc/modules: kernel modules to load at boot time. # # This file contains the names of kernel modules that should be loaded # at boot time, one per line. Lines beginning with "#" are ignored. # Parameters can be specified after the module name. snd-bcm2835 i2c-bcm2708 i2c-dev
褰撶劧, 浣犱篃鍙互灝咺2C嬋媧誨懡浠ゆ坊鍔犲埌綾諱技init.d鎴栬卹c.local涓幓.
2. 瀹夎I2C榪愯寮鍙戝簱
鍥犱負鏍戣帗媧劇洿鎺ユ敮鎸丳ython, 鎵浠ヨ繖閲岄夋嫨浣跨敤Python鏉ヨ鍙朆MP085鏁版嵁.
a. 瀹夎i2c-tools宸ュ叿
sudo apt-get install i2c-tools
b.瀹夎python smbus搴?br />
sudo apt-get install python-smbus
(榪欎袱姝ヤ技涔庡彲浠ヤ笉鍋? 鏈鏃╂垜鏄畨瑁呬簡鐨? 浣嗗悗鏉ュ嵏杞戒簡榪欎袱涓彲浠? 渚濈劧鍙互璇誨彇鐨勬暟鎹?
c. 涓嬭澆/瑙e帇Adafruit搴?br />
wget http://github.com/adafruit/Adafruit-Raspberry-Pi-Python-Code/archive/master.zip
unzip master.zip
Adafruit搴撴槸涓涓嬌鐢≒ython瀹炵幇I2C鎿嶄綔鐨勫簱, 鍏朵腑鍖呮嫭浜嗗涓狪2C璁懼鐨勪唬鐮? BMP085鍙槸鍏舵敮鎸佺殑涓涓紶鎰熷櫒.
鍒版, 灝卞彲浠ヨ鍙朆MP085鐨勬暟鎹簡.
pi@raspberrypi:~/Adafruit-Raspberry-Pi-Python-Code-master/Adafruit_BMP085$ sudo ./Adafruit_BMP085_example.py
Temperature: 25.50 C
Pressure: 1018.63 hPa
Altitude: -45.28
]]>
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