thinkful isa

Control. The address is the offset of the base address ). EPP registers are defined as follows: By generating an I/O write command for "base_address + 4", the EPP controller generates the handshake signal and strobes for data transmission in the Data_Write cycle. The I/O commands for ports 0 to 2 will implement standard parallel port operations to ensure compatibility with standard parallel ports. For "base_address + 3" I/O operations, the address read/write cycle is generated. Ports 5 to 7 ha

ioaddr;+ Int status;Int handled = 0;Ioaddr = Dev-> base_addr;@-1682,8 + 1741,8 @@Struct net_local * Lp = netdev_priv (Dev );Struct sk_buff * SKB;Int status, length;--Int ioaddr = Dev-> base_addr;++ Unsigned int ioaddr = Dev-> base_addr;Status = readword (ioaddr, rx_frame_port );Length = readword (ioaddr, rx_frame_port );Diff-Nur linux-2.6.18.2/Drivers/NET/kconfig linux-2.6.18.2_nano2410/Drivers/NET/kconfig--- Linux-2.6.18.2/Drivers/NET/kconfig 2006-11-04 09:33:58. 000000000 + 0800++ Linux-2.6.1

network drive to your own virtual physical drive. What's more, if your connected host has been connected to a LAN, then you can access all online resources through the host. In addition, while accessing the host, it does not affect the normal operation of the host, which is especially beneficial to users of the laptop. When there are more than two computers (PCs), you need to use the NIC, network cable, and hub (HU. If there is no Nic in the LAN, it is like a river without bridges on both sides

uses and who is compatible with before looking for a Linux driver, such as 3c509, ne2000, and etherexpress. such models are usually printed on the largest fast chip on the network card. Just copy them. The most common use may be the best network adapter, or the ne2000 compatibility card. I use it as an example. Note that many cheap cards are actually ne2000 compatible. For the ne2000 card, the first thing to do is to set the NIC to jumpless mode. many NICs use the PNP mode by default, which

Perl object-oriented first let's take a look at the three basic definitions of Perl Object-Oriented Programming: 1. an "object" refers to a simple reference that "there is a way to know which class it belongs. (An object is a reference variable) 2. A "Class" refers to a simple package that "can provide some methods to its objects. (Class is the package) 3. A "method" refers to a simple sub-statement that "accepts an object or class name as the first parameter" Program . (The class method is the

1. Brief Introduction to PCI PCI is a peripheral bus specification. Let's first look at what bus is: Bus is a path or channel for transmitting signals. Typically, a bus is an electrical connection that is connected to one or more conductors. All devices connected to the bus can receive all the transmission content at the same time. The bus consists of electrical interfaces and programming interfaces. This article discusses device drivers in Linux, so focus on programming interfaces. PCI is sh

Original article: Http://www.sealiesoftware.com/blog/archive/2009/04/14/objc_explain_Classes_and_metaclasses.html Better translation link: Http://blog.csdn.net/timothyfly/article/details/8042464 Objective-C language is a class-based object-oriented language. Each object is an instance of a class, and the ISA pointer of each object points to its class. This class describes the attributes of an object: the size of the allocated space, the type and layo

both scalar and object, whether to add Set during the assignment depends on the specific data type assigned, if the assigned value is a variant and the object is unknown during compilation, an error may occur during the runtime. Set required on class instance assignment must be added. If Set is not added, Typemismatch is incorrect. Therefore, before assigning a variant value to a variant, you must explicitly determine whether the assigned value is an object. Sub SetValue(variable As Variant, va

Objective-C is a class-based object-oriented language. Each object is an instance object of a class. The isa pointer of the object points to the class corresponding to the object. Class describes the object data: memory allocation size, variable (ivar) type and layout. Class also describes the behavior of the object: class response selector (selectors are translated literally because selector is not the starting address of the specific implementation

. If the device driver is compiled into a module (kernel module): for PCI devices, the module automatically detects all devices installed on the system. For ISA cards, you need to provide the IO address to the module so that the module knows where to find the card. The information is in "/etc/conf. modules. For example, we have two ISA bus 3c509 cards. One IO address is 0x300, and the other is 0x320. Edit "

. modules" file. If the device driver is compiled into a module (kernel module): for PCI devices, the module automatically detects all devices installed on the system. For ISA cards, you need to provide the IO address to the module so that the module knows where to find the card. The information is in "/etc/conf. modules. For example, we have two ISA bus 3c509 cards. One IO address is 0x300, and the other i

Direct access to objective-C's Isa is deprecated in favor of object_setclass () and object_getclass () Replace object-> Isa with object_getclass (object)Replace keyobject-> Isa with object_getclass (keyobject)(ID) Keys [idx]-> ISA is replaced with object_getclass (ID) Keys [idx]) Array->

In-depth introduction to cocoaOfMessage Luo chaohui (Http://blog.csdn.net/kesalin) Reprinted please indicate the source In entry-level objc tutorials, we often say to programmers who transfer data from C ++, Java, or other object-oriented languages that method calls in objc (the term in objc is message) it is similar to method calls in other languages, but the form is somewhat different. For example, in C ++: Bird * abird = new bird ();Abird-> fly (); In objc: Bird * a

(tmpstream = fopen (filename, "R") = NULL){Printf ("Open File error/N ");Return 0;}For (I = 0; (RE = fgets (REC, 100, tmpstream ))! = NULL; I ++)Printf ("[% d]: % s", I, REC );When the file content is displayed, the row number is added to each line.If (RE = fclose (tmpstream) =-1) printf ("closeFile error/N ");} Else{Fseek (stream, 0, seek_set );For (I = 0; (RE = fgets (REC, 100, stream ))! = NULL; I ++)Printf ("[% d]: % s", I, REC );}} Printfile (null, "testtmp. tmp", 1);[0]: Total 48

content to the bios and the remaining space is insufficient, remind you to remove this part, because this feature is optional for integrated BIOS.9. Add ISA bus control content:ISA is a bus technology that is on the verge of elimination. Many chipsets do not support the ISA bus because its performance is really bad, however, ISA also has some advantages. As a re

Data Members here are strings. The best use of this method is to bind data (names) to some triggers (especially method calls,For example, key-value observing (KVO. The code above demonstrates that the member variables of the class can also be accessed using the two methods of the base class nsobject, not necessarily directly through the class instance, but this method still has certain risks, please refer to this: http://www.devbean.info/2011/04/from_cpp_to_objc_20/ for specific dangerous situa

Logging Module Learning1. Five levels of loggingDebug: Diagnostic informationInfo: Make sure everything works as expectedWarning: Warning information, such as high CPU load, low hard disk spaceError: More serious things, but the system can still runCritical: The system cannot continue runningThese 5 levels, also correspond to 5 kinds of methods to hit the log: Debug, info, warning, error, critical. The default is warning, which is tracked only when it is warning or above.2. Output the log to the

The motherboard diagnostics card is also called a post card. Is the necessary tool to repair the motherboard, the motherboard BIOS in each boot, the system's circuit, memory, keyboard, video parts, hard disk, floppy drive and other components of the rigorous testing, and analysis of the hard disk system configuration, the configured basic I/O settings to initialize, after normal, Re-cited Operation guide system. The motherboard diagnostics card works by using the test results of the motherboard

Very much like the learning atmosphere here, but also admire the technical level of two moderators, I hope to be here with you a lot of exchanges. As a gift, share the script that you wrote a while ago to generate an Isa WEB traffic report. Description, the school-based is the starting point and only here, I did not in the chrysanthemum or anywhere in the hair. You can change the script to suit your request, reprint please keep the author information

functions and their original prototype objects will be correctly recycled. The last sentence of the code above proves that the constructor attribute of the newly created Object returns the Object function. In fact, the newly created Object itself and its prototype do not have the constructor attribute. The returned result is only the constructor of the top-level prototype Object, that is, the Object. With the New syntax, the class definition is like the form of C # Those static object languages