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In the Rt-thread 2.0.0 formal version of the introduction of PIN devices as miscellaneous devices, its device driver files pin.c in Rt-thread-2.0.1\components\drivers\misc, mainly for the operation of Chip Gpio, such as light led, Keys and so on. At the same time for the corresponding chip platform, you need to write the underlying GPIO driver, such as GPIO.C.One

matter who would like to do it ...). However, the more troublesome thing is to search the Internet to compare the time and effort, unless there is no online. In this article, the Start menu fixed "Run" need to know its CLSID, and then use this to create a shortcut, then you can follow the routine fixed.Run the GUID is: {2559a1f3-21d7-11d4-bdaf-00c04f60b9f0}, everyone interested can go to the registration form to check, the results such as:How can you use it to create shortcuts?1. Right-click on

Linux Device Driver Article 5: concurrency and final state in the driver, linux Article 5Summary In the previous article, I introduced the debugging method of the linux driver. This article describes the concurrency and status encountered in driver programming and how to han

*, struct pt_regs *), unsigned long flags, const char * dev_name, void * dev_id ); Parameter Parsing: Unsigned int IRQ // request interrupt number Irqreturn_t (* Handler) // handle function pointer installed. Unsigned long flags // bit mask of an option related to interrupt management. The shared interrupt is set to irqf_shared. Const char * dev_name // The string passed to request_irq is used in/proc/interrupts to display the owner of the interrupt Void * dev_id // used as the pointer to the

Keywords: Android battery meter pl2301 task initialization macro Power_Supply interrupt thread Platform information:Kernel: linux2.6/linux3.0System: Android/android4.0Platform: Samsung exynos 4210, exynos 4412, and exynos 5250 Author: xubin341719 (You are welcome to reprint it. Please note the author) Correct the mistakes and learn and make progress together !! Download the complete driver code and specifications: max17040_pl2301 Android battery (I):

function that completes the operation of uninstalling the LED driver file by calling the Led_destory_device function.Set the status of the LED, set the register and initialize the LED driver, set the register value to set the status of the LED pin and control its light off. Then to control the LEDs, you can pass strings and I/O commands. Use the string to File_o

1. Sensor Development Block Diagram650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M00/87/12/wKiom1fSl5mwA2ESAABzoRmaSVU881.jpg "title=" Sens001.jpg "width=" "height=" 321 "border=" 0 "hspace=" 0 "vspace=" 0 "style=" width:500px;height:321px; "alt=" Wkiom1fsl5mwa2esaabzormasvu881.jpg "/>2. Device driver loading and hardware system configurationCD mpp/ko# default online./load3518e-a-sensor sc2135-osmem 32-total 64# vi_vpss offline./load3518e-a-s

Linux C programming practice (5 )?? Driver Design 1. introduction the device driver is the interface between the operating system kernel and the Machine hardware. it shields the hardware details for applications. Generally, the Linux device driver must complete the following functions: (1) initialize the device. (2) pr

=$(PWD) modulesclean:$(MAKE) -C $(KDIR) M=$(PWD) clean The LED. o file is the name of your compiled file, which is fixed according to your actual situation. Save and press Ctrl + B to compile the project. After completion, you will find an additional led. KO in the directory, which is the compiled LED driver module. 4. Load the driver Load the driver on the Deve

School, military Training ~ again to this seniors hooking up to learn sister, learn all kinds of resentment of the time Hou. I believe that a lot of the seniors have already borrowed the name of the orientation of their favorite school sister, how and the school sister set near the most justifiable? To borrow a computer or something is the most classic play code. The new college sister to the environment or unfamiliar, this time the computer out of the question, seniors must seize the opportunit

virtual network card tap device Vnet0/vent1 to the same two-tier network, enabling virtual machine VM1 and VM2, and communication between the virtual machine and the extranet.For more detailed information on Linux Bridge, please refer to the section "Pre-knowledge-network virtualization".Configuring Linux-bridge mechanism DriverTo use Linux Bridge in Neutron, you first need to configure Linux-bridge mechanism driver. Neutron uses ML2 as the core plug

Windows File System filter driver development tutorial 5. Bind fs cdo, file system identification, device extension As mentioned in the previous section, we intend to bind a newly activated fs cdo. The front side said that simply calling wd_dev_attach can easily bind this device. However, not every time my_fs_notify finds a new FS activation, I will bind it directly. First, determine whether I need to

Label: style blog HTTP color ar SP problem log Many users may encounter many problems due to no driver setting when using a printer. The following articles detail how to set a printer driver. Most of the Bill printers now have a cash box interface to help customers use the cash register system. Many users install the driver and print the test page or print it

Nandflash driver porting series Article Navigation: Nandflash driver porting (1) Nandflash driver porting (2) Nandflash driver porting (III) Nandflash driver porting (4) Nandflash driver porting (

respective ml2_conf.ini.After the Neutron service starts normally, all nodes will run Neutron-linuxbridge-agent650) this.width=650; "Title=" http://7xo6kd.com1.z0.glb.clouddn.com/ Upload-ueditor-image-20160824-1471992817408015123.png "src=" http://7xo6kd.com1.z0.glb.clouddn.com/ Upload-ueditor-image-20160824-1471993265149058572.jpg "style=" border:0px;white-space:normal;float:none; "/>Linux-bridge mechanism driver is configured, the next section exam

5 customer-driven 5.1 Overview The I2C client driver is the implementation of I2C slave device. A specific I2C client driver consists of two parts: the i2c_driver, which is used to connect the device to the I2C bus; the other part is the driver of the device. The I2C client driver