parallel port programming in linux using c
Tài liệu Parallel Port Complete: Programming, Interfacing, & Using the PC''''s Parallel Printer Port ppt
... 4 Addressing Interrupts DMA Channels Finding Existing Ports Configuring 6 Port Options Drivers Adding a Port Port Hardware 9 Connectors The Circuits Inside Cables Multiple Uses for One Port 11 Security ... section describes these alternate ways to access ports. LPT Access in Visual Basic Accessing Ports Although Visual Basic has no built -in ability for simple port I/O it does include ways to access ... IrDA interfaces built -in. Other Parallel Interfaces SCSI and IEEE-488 are two other parallel interfaces used by some PCs. SCSI SCSI (small computer system interface) is a parallel interface that...
Ngày tải lên: 22/01/2014, 11:20
Programming the Parallel Port
... look closely at the interface connection. I will describe the parallel port in detail, describing the first parallel port interface and showing how the parallel port has evolved to keep pace ... STATUS Port 33 Printing with the Parallel Adapter 36 Using the Parallel Printer Adapter 37 Page x Chapter 4 Programming and Using the Parallel Adapter 39 PC Data Area 39 Accessing the Ports 40 A ... depend upon the charging and discharging of device capacitances (which are not insignificant), independent of temperature. Input characteristics The MOSFET input, the gate, is electrically isolated...
Ngày tải lên: 04/11/2013, 18:15
Serial port programming for Windows and Linux
... needed. 3.2.1 Windows In Windows, setting up the serial port requires three steps. 1. Create a DCB object and initialize it using the function BuildCommDCB(). 2. Set the serial port settings using the initialized DCB ... initialized DCB object using the function SetCommState(). 3. Set the size of the serial port read and write buffers using SetupComm(). Code to accomplish this can be found below. DCB dcb; //create the dcb //first, ... that contains the functions necessary to success- fully communicate with the serial port. With a single header file that contains all the functions necessary to communicate over a serial port, ...
Ngày tải lên: 05/11/2013, 20:15
Tài liệu Linux IO Port Programming pptx
... you can get the number of clock cycles elapsed since the last reboot with the following C code (which executes the CPU instrution named RDTSC): extern __inline__ unsigned long long int rdtsc() ... output) Linux I/O port programming mini−HOWTO 6.2 The game (joystick) port 8 program access to all I/O ports (so be careful −−− accessing the wrong ports can do all sorts of nasty things to your computer). ... document describes programming hardware I/O ports and waiting for small periods of time in user−mode Linux programs running on the Intel x86 architecture. 1. Introduction 2. Using I/O ports in...
Ngày tải lên: 22/12/2013, 10:15
Questions to .NET and Programming in C#
... when the object is accessed. c) A static constructor can have public as a accessibility modifiers 74. class A { public static int X = B.Y + 1; } class B { public static int Y = A.X ... explicitly or implicitly. b) Static constructors can have accessibility modifiers. e) Static constructors are called when the class is loaded. c) Static constructors cannot be called ... statement’s syntax is incorrect. 51. using System; class Test { static void Main() { int @Main; int[] Static= new int[3]; @Main =100*Static[1]; Console.WriteLine(@Main); } } What...
Ngày tải lên: 21/08/2012, 15:55
Questions to .NET and Programming in C#
... implementing an abstract class. [1.0] a) public abstract void class ClassA c) abstract public ClassA b) public abstract class ClassA 105. Which of the following methods can be called ... ("MyDll.MyOName" ) object myObject = System.Activator .C reatInstance (myObjectType) b) By using the System.Reflection. CreateInstance() method to create an instance of object in the following manner. ... class can be invoked. 193. using System.Reflection; using System; class Reflect { public int i=20; public char ch='a'; public float f1=10; public void GetFloat(){ Console.WriteLine(f1);...
Ngày tải lên: 29/08/2012, 16:37
Multithreaded Programming in a Microsoft Win32* Environment
... After initializing the critical section, a thread can enter a critical section by calling EnterCriticalSection ( ) and call LeaveCriticalSection ( ) to leave the critical section of the code. ... look into this more and discuss on some of the performance concerns involved in a future article. On-Die Cache Arch. State Arch. State Processor Core APIC APIC Hyper-Threading Cache Arch. State Arch. State Processor Core APIC ... Thread 1 checking if 6 is prime Thread 1 checking if 7 is prime Thread 2 checking if 9 is prime Thread 2 checking if 10 is prime Thread 2 checking if 11 is prime Thread 2 checking if 12...
Ngày tải lên: 12/09/2012, 14:40
Programming Business Logic using EJB
... applications. c) Platform independence b) Programming business logic d) Relying on backend services 3. Which of the following statements is not true regarding EJB. [1.5] a) It is container dependent. c) ... bottlenecks. c) Client-specific data needs to be given. b) Increased congestion in the network. d) Pooling is simple. 161. There is an increased chance of losing conversations while using stateless session ... name/object d) client/network 136. Which of the following is not a step involved in JNDI? [2.0] a) Specify initial context factory c) Acquire Initial context b) Information for Service provider...
Ngày tải lên: 09/04/2013, 09:10
Question Bank Introduction to .NET and Programming in C#
... is called automatically when the object is accessed. c) A static constructor can have public as a accessibility modifiers 74. class A { public static int X = B.Y + 1; } class B { public static ... value c) get b) set d) find 100. public class A:B ,C, D{ } The above code represents ______ [0.5] a) multilevel interface c) multiple interface b) hierarchical interface d) multiple inheritance 101. ... bool[3]={true,true,true}; 46. using System; class MyClass { int Var1=1; int Var2; public static void Main(){ int LocalVar=3; MyClass m1=new MyClass(); Console.WriteLine(m1.Var1+m1.Var2+LocalVar); }...
Ngày tải lên: 09/04/2013, 09:10
6.087: Practical Programming in C
... some basic code profiling to examine the effects of explicitly declaring variables as registers. Consider the fibonacci sequence generating function fibonacci in prob1 .c, which is reproduced at ... to compile your code. Write the command line that you should use to compile this code (using gcc). Let’s call the desired output program dictionary.o. Answer: gcc -g -O0 -Wall main .c dict .c ... Electrical Engineering and Computer Science 6.087: Practical Programming in C IAP 2010 Problem Set 3 – Solutions Control flow. Functions. Variable scope. Static and global variables. I/O: printf...
Ngày tải lên: 25/04/2013, 08:07
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