Oracle has always been actively monitoring its Oracle wiki site, but one thing mentioned in a recent blog article makes people realize that when we introduce wiki, pay attention to its culture.
ArticleSaid that a Danish Oracle Partner posted some inactive remarks on Oracle's webcenter on the Oracle wiki site. As a result, Oracle's product manager was very angry,
Is csdn wiki a wiki? No, it's an encyclopedia!
Wiki is a collaborative creation by everyone. encyclopedia is only a project using Wiki. Besides, we already have global http://wikimedia.org/or Chinese http://zh.wikipedia.org/wiki/wikimedia, and re-build it!
Shaver once want
1. Power-on sequence, omitted directly
2. waitclock sends two bytes of 0x00 to the I2C bus. The specific method is to write a byte 0x0 to the address 0.
3. Run the "0xb8 00 00 0x0a" command to directly return the command and data.
The rule of at88 is to send commands before reading and writing data each time. Therefore, reading and writing data must contain commands.
The Data Writing operation is very simple. The first byte of the command is use
Bh1750fvi is a digital ambient optical sensor IC produced by Rohm semiconductor in Japan. Its main features include:
I2C digital interface, supporting a maximum rate of 400 kHz
Illuminance)
Measurement Range: 1 ~ 65535 Lux, minimum resolution
Power down
Shielding illumination variation interference caused by 50/60Hz Mains Frequency
Two I2C addresses are supported and selected through the ADDR pin.
S
I2C is a serial data communication protocol invented by Philips. It only uses two signal lines: serialclock (SCL) and serialdata (SDA ). I2C is a bus structure, with one master, one or more slave. Each slave device is differentiated by a 7-bit address, followed by a read/write bit, indicating read (= 1) or write (= 0), so sometimes we can also see eight-bit device addresses. At this time, each device has tw
They use the wiki page to share their knowledge and enhance team cooperation. The following describes how to use the SharePoint 2013 wiki. I will use this Wiki page (the current page) as an example for the tutorial.
To edit a page, click the Edit page icon at the top of the page. Of course, there are also a variety of functions available for operation on th
Blog and wiki technology overview
Since the late 1990s (when the Web boom is reaching a certain saturation point), some users have started editing their favorite Web sites that meet certain interests or themes. Many of the entries that are included in the user list are commented and the dates are marked. Such a checklist is soon called weblog or blog (blog), the person who maintains such a blog is called Blogger. Later, the blog began to become a coll
; "title=" Image007.png "width=" "height=" "272" border= "0" hspace= "0" vspace= "0" alt= " Wkiol1igs-qwixeaaaathpvsd-0346.png "/>Save the configuration file and restart the system for the computer name to take effectModify the system timeRm-rf/etc/localtimeYum Install-y ntpdateNtpdate us.pool.ntp.orgLn-s/usr/share/zoneinfo/asia/shanghai/etc/localtimeInstalling the DatabaseYum install MySQL mysql-server mysql-devel-yConfiguration databaseService mysqld Startmysqladmin-u root password ' new passw
Wiki site overview
In August 2003, cnic.org translated the Wiki into a Chinese wiki. Encyclopedia: http://www.cnic.org, an encyclopedia Website System Based on VIKE and gnu fdl. The system was put into operation in September 2003.
Chinese wiki site
Http://www.cnic.org/a free and open Chinese encyclopedia
Htt
-serviceSoftware that exceeds a single device levelLightweight user interface, development model, and business modelIn essence, these elements define standards for true WEB 2.0-style applications. Following these tests on a given application gives you a good understanding of where Web 2.0 is in the entire development process of the web.However, one of the most interesting aspects of WEB 2.0 applications is that it requires developers and participants to achieve a fairly high degree of collaborat
/lib# Cp/usr/local/mysql/include/mysql/*/usr/include
Add the database and database username used by wiki# Cd/usr/local/mysql/bin#./Mysql-u root-pMysql> create database wikidb;Mysql> grant all on wikidb. * to wikidb @ localhost identified by '123 ';Mysql> flush privileges;Mysql> exit
4. Install mediawiki
# Cd/home/funpower# Tar zxvf mediawiki-1.5.2.tar.gz# Mkdir/usr/local/apache/htdocs/wiki# Cd mediawiki-1.5
Use ApacheGeronimo to create and deploy the blog and wiki modules. Blog and wiki technology overview since the end of 1990s (when the Web boom reached a certain saturation point), some users began to edit their favorite website list, which matches
Blog and wiki Technology Overview
Since the end of 1990s (when the Web boom was reaching a certain saturation point
Php (as the mainstream development language) + MySQL (the best combination with PHP) + wiki installation Step 1: MySQL (the best combination with PHP) # rpm-ivhMySQL (the best combination with PHP )*. rpm # serviceMySQL (the best combination with PHP) start # MySQL (the best combination with PHP) admin-uro php (as the mainstream development language) + MySQL (best combination with PHP) + wiki
Installation s
Blog and wiki Technology overview
Since the late 1990s, when the Web boom is reaching a certain saturation point, some users have started editing their favorite Web site listings that match a certain interest or theme. Many of the entries included in the user's list were commented on and dated. Such lists are soon called weblog or blogs, and people who maintain such blogs are called bloggers. Later, the blog began to become a collection of articles,
Linux under a lot of devices are used to the I2C, so look at the driver of the I2C, although now understanding may still be human and material resources, but at least there are some basic concepts
Reference:
http://blog.csdn.net/ylyuanlu/article/details/6705942
http://blog.csdn.net/hongjiujing/article/details/4098547
Look at the I2C initialization process:
[CP
Https://www.cnblogs.com/aaronLinux/p/6896573.html
Note: If you set the I2c_slave, the prompt device_busy, you can use the I2c_slave_force, in the driver which corresponds to the same Case statement application layer can call the interface: I2c_smbus_write_ Word_data (FD, __, __); and I2c_smbus_read_word_data (fd,__);
Share : https://stackoverflow.com/questions/9974592/i2c-slave-ioctl-purpose
The questions are as follows :
1. The direct FD handle in
Demand:Read the value of the embedded temperature sensor.
Known conditions:* The temperature sensor has been welded on the motherboard.* Temperature Sensor Model LM75*linux Drive, in linux-2.6.20.21/drivers/hwmon/lm75.c* The circuit of the temperature sensor
Questions and Answers:*linux How to use the drive with its own.
Look at the LM75.C code and find out that this temperature sensor is using a I2C bus.The code sees the
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