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Ioremap and Mmap "Turn"

alm, struct rtc_time *rtc_tm){SPIN_LOCK_IRQ (rtc_lock);if (ALM = = 1) {Rtc_tm->tm_year = (unsigned char) almyear msk_rtcyear;Rtc_tm->tm_mon = (unsigned char) Almmon Msk_rtcmon;Rtc_tm->tm_mday = (unsigned char) Almday Msk_rtcday;Rtc_tm->tm_hour = (unsigned char) Almhour Msk_rtchour;Rtc_tm->tm_min = (unsigned char) almmin msk_rtcmin;Rtc_tm->tm_sec = (unsigned char) almsec msk_rtcsec;}else {Read_rtc_bcd

Android targeting generally has four ways

GPS module is present or open:Private Voidopengpssettings () { Locationmanager alm = (Locationmanager) this . Getsystemservice ( Context.location_service); if (ALM . isproviderenabled (Android.location.LocationManager.GPS_PROVIDER)) { Toast.maketext (this, GPS module OK , Toast.length_short) . Show (); return;

Set gps to auto-enable for android

1. method 1 Private void toggleGPS (){Intent gpsIntent = new Intent ();GpsIntent. setClassName ("com. android. settings", "com. android. settings. widget. SettingsAppWidgetProvider ");GpsIntent. addCategory ("android. intent. category. ALTERNATIVE ");GpsIntent. setData (Uri. parse ("custom: 3 "));Try {PendingIntent. getBroadcast (StartActivity. this, 0, gpsIntent, 0). send ();} Catch (CanceledException e ){E. printStackTrace ();}} 2. method 2Private void openGPSSettings (){// Obtain the current

A thorough understanding of the IOREMAP mapping in the classic]linux kernel "turn"

MEMSET_IO (a,b,c) memset (__io_virt (a), (b), (c)) #define Memcpy_ Fromio (A,b,c) memcpy ((a), __io_virt (b), (c)) #define MEMCPY_TOIO (a,b,c) memcpy (__io_virt (a), (b), (c)) Finally, we want to emphasize the implementation of the MMAP function in the driver. Mapping a device with mmap means that a segment of the user's space is associated with the device's memory, which allows the program to read or write within the allocated address range, which is actually access to the de

Android positioning 4 ways to introduce _android

;NBSP;NBSP;NBSP;NBSP;NBSP;NBSP;NBSP;NBSP;NBSP;NBSP;NBSP Uses-permission android:name= Android.permission.ACCESS_FINE_LOCATION /uses-permission The specific implementation code is as follows: First determine whether the GPS module exists or is open: Private Voidopengpssettings () { Locationmanager alm = (Locationmanager) this . Getsystemservice ( Context.location_service); if (

Blur test: Create a custom Test interface provider for Team System

When Orlando attended the Microsoft®tech Ed 2007 meeting, I had the privilege of working at a developer's booth at the Learning Center. What impressed me most about this experience is the discussion that is unfolding around the latest application lifecycle Management (ALM) tools. There is also a great deal of discussion about popular methods, such as agile programming and test-driven development (TDD). As a result, Microsoft's latest

Compare TFS with SVN, you must know the difference of 10 points __ version control tools

Compared to SVN, I have the following views on the advantages of TFS, for your reference: 1. Overall comparison: TFS is an Application Lifecycle management (ALM) software, a software development platform product that covers all aspects of software development (including source control) and all roles, and SVN is just a simple source code management tool. Simply put, TFS has all of the source control capabilities of SVN, which is a relationship that con

TFS Update 2 feature exploration

shortcut prompt window that you can use. You can get a detailed description of all the shortcut keys from here https://msdn.microsoft.com/en-us/Library/vs/alm/Overview/reference/keyboard-shortcuts 2.5 ExtensionsTFS provides extended development capabilities, a complete and powerful front-end JavaScript SDK that allows you to customize menus and pages, leverage the already well-established rest API, dramatically improve the scalability of TFS software

ADSL hardware Installation

is normal, connect the power of the computer and ADSL Modem, and check the status of the indicator on the ADSL Modem. Through the status indicator, we can clearly see whether the ADSL link is connected and whether the NIC is in normal status. When a problem occurs, it is easy to determine the problem. Therefore, no matter what type of ADSL Modem, everyone should understand what the above indicator represents. The following uses the etek TD-2018 ADSL Router as an example) When the Modem is star

Apache Server and Tomcat cluster Configuration II: Vertical Load

Catalina), that processes every request. The Engine implementation for Tomcat stand alone analyzes the HTTP headers included with the request, and passes T Hem on to the appropriate host (virtual host). Documentation At/docs/config/engine.html - should set Jvmroute to support load-balancing via AJP ie: - Enginename= "Catalina"Defaulthost= "localhost"Jvmroute= "TOMCAT1"> for clustering, take a look at documentation at:/docs/cluster-howto.html ocs/config/cluster.html (referenc

[Buildrelease management] electriccommander

* Independent platform and language: you only need to automate the process without learning new tools or languages; * ALM tools and process plug-ins: Mainstream SCM,CodeCoverage, bug tracking, and other ALM tools provide plug-ins, coupled with the host of reporting and process plug-ins, enabling electriccommander to be seamlessly integrated with the existing environment; * Integration with eclipse an

Qtp11 preemptive view-Onlookers qtp11.0 _ Beta

the code more quickly by clicking the mouse. As for extensibility accelerator, someone has already used it, you can go to see the http://gmd20.blog.163.com/blog/static/1684392320105119550158/ 5. In addition, qtp11.0 has added support for ALM. In fact, the purpose is the same as that of Version Control added in 10.0. We want to use version management to avoid testing loss or incorrect modification caused by misoperations, you can also manage test dat

Linux basic series-memory and I/O operations

physical address translation from the I/O operation to the real location of the virtual address, and found that there is a replacement for ioremap statements in Linux, but this conversion process is indispensable. For example, we extract a short segment from the RTC (Real-time clock) Driver of the ARM chip S3C2410: Static void get_rtc_time (INT Alm, struct rtc_time* Rtc_tm){Spin_lock_irq ( rtc_lock );If (

Prezi practice-a disruptive presentation software

The day before yesterday, I met a software called prezi, which made me unable to sleep at night. With this software, I could easily make a disruptive presentation briefing, let's take a look at the finished products I spent a day working on (there will be a sharing to be done tomorrow ): Http://prezi.com/rkjumcjeeo4w/teamforge-vs-alm-ali/ More amazing samples: http://prezi.com/explore/ Official Site If I was shocked by such a briefing like me, I could

Implementation of Android GPS positioning (1)

Today, I spent more than an hour writing a GPS to get the geographic location.CodeSmall examples, including some online code and some modifications to the code, I hope to help you. The specific code is as follows: to use the GPS device of the adnroid platform, you must first add the permission. Therefore, you must add the following permissions: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Uses-Permission Android: Name="Android. Permiss

Start of vs11

Vs11betaIt has been released for a while.ArticleThere are already many reports and new features described in these articles, but I am still concerned about the content related to ALM. Judging from the current trial and other people's public information,Visual Studio 11 team Foundation server BetaThe main new features are: 1. Support for newCodeReview Visual Studio 11 contains an important team resource manager tool window, including the new my w

[Conversion] ioremap and MMAP

memcpy_fromio (a, B, c) memcpy (a) ,__ io_virt (B), (c ))# Define memcpy_toio (a, B, c) memcpy (_ io_virt (a), (B), (c )) Finally, we need to emphasize the implementation of MMAP functions in the driver. MMAP is used to map a device, which means that an address in the user space is associated with the device memory. This allows the program to read or write data within the allocated address range, it is actually access to the device.In the Linux source code, I searched for text containing

[Classic] a thorough understanding of ioremap ing in Linux kernel)

), (B), (c ))# DefineMemcpy_fromio (a, B, c) memcpy (a) ,__ io_virt (B), (c ))# DefineMemcpy_toio (a, B, c) memcpy (_ io_virt (a), (B), (c )) Finally, we need to emphasize the implementation of MMAP functions in the driver. Map a device with MMAP, which means to make the user spaceTo the device memory, so that as long as the program reads or writes data within the allocated address rangeAccess to the device. In the Linux source code, I searched for text containing "ioremap" and found that

Android GPS Positioning implementation

Author: fly_binbin Android GPS Positioning implementation Today, I spent more than an hour writing a small example of GPS code for obtaining geographic locations, including some online code and some modifications to the code, hope to help you. The specific code is as follows: to use the GPS device of the adnroid platform, you must first add the permission. Therefore, you must add the following permissions: The specific implementation code is as follows: First, determine whether the GPS modul

Classic! Linux device driver development-memory ing

memcpy_fromio (a, B, c) memcpy (a) ,__ io_virt (B), (c ))# Define memcpy_toio (a, B, c) memcpy (_ io_virt (a), (B), (c )) Finally, we need to emphasize the implementation of MMAP functions in the driver. MMAP is used to map a device, which means that an address in the user space is associated with the device memory. This allows the program to read or write data within the allocated address range, it is actually access to the device. In the Linux source code, I searched for text containing

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