parallel port programming in linux using c

... 1C PROGRAMMING IN LINUX DAVID HASKINS Trang 2David HaskinsC Programming in Linux Trang 3C Programming in Linux© 2009 David Haskins & Ventus Publishing ApS ISBN 978-87-7681-472-4 Trang 4C Programming ... 10C Programming in Linux IntroductionThe teaching approach I began university teaching later in life after a career programming in the telecommunications industry My concern has been to convey ... musician, playing in jazz groups and in Trang 8C Programming in Linux IntroductionIntroduction Why learn the C language? Because the C language is like Latin - it is finite and has not changed

Ngày tải lên: 19/03/2014, 14:07

... Programming in Linux 11 Introduction he teaching approach I began university teaching later in life ater a career programming in the telecommunications industry My concern has been to convey the ... libraries C language CGI programs (C programming using the “make” utility) C language Apache modules MySQL server with C client library interfaces.GD graphics library with C interfaces Incidental ... www.deloitte.ca/careers Trang 6Download free eBooks at bookboon.comClick on the ad to read more C Programming in Linux 6 Contents 6.1 Generating binary content 61 6.2 Using TrueType Fonts 63 6.3 GD function

Ngày tải lên: 28/11/2017, 10:24

... of struct (1) ❏ A class is a like a C++ struct with additions ◆ member-functions ◆ access control ◆ initialization/cleaning up control ◆ inheritance ◆ In fact, a struct in C++ is just a class, ... 0-iiContents of the Course 0-2 1.Introduction 1-1 Introduction 1-2 Summary 1-2 C++ Characteristics 1-3 C and the Scandinavian School 1-3 Origin and Influences 1-4 Why is C++ a Difficult ... of cleanup (destructor call) for the objects created by Trang 42Creating, deleting, and initializing objectsModes for Creating/Deleting Objects (1) ❏ Static objects (permanent lifetime) ◆ Local

Ngày tải lên: 21/06/2018, 10:45

... making up “cat” A character string ends with s special character NULL or '\0' ascii value 0 or hex 00 Free online Magazines Click here to download SpeakMagazines.com Trang 16C Programming in Linux ... university teaching later in life after a career programming in the telecommunications industry My concern has been to convey the sheer fun and creativity involved in getting computers to do ... second year Computer Science Students at Kingston University, London UK Trang 11C Programming in Linux Setting up your SystemSet t ing up your Sy st em This book presumes you are using the Linux

Ngày tải lên: 05/11/2019, 13:12

... textbox could then be modified from code by accessingthe tbText object In classic ASP, the only way to achieve such an effectwould be to include code within the textbox declaration, such as <input ... TcpListener onthe port specified in tbPort.Text This thread runs in an infinite loop, constantly blocking on theAcceptSocket method Once the socket is connected, some text is written to the screen, and ... is included in the design view, it can be moved andscaled by clicking and dragging on the edge of the image well-More advanced features can be accessed via Internet Explorer’sexecCommand function

Ngày tải lên: 12/08/2014, 21:20

... stored inXML (string) format Open clsCryptography and enter the following code: C# namespace rsa { public class clsCryptography { private RSACryptoServiceProvider RSA; public string PublicKey; ... System.Text.Encoding.ASCII.GetBytes(tbWorking.Text); Encrypted = clsRSA.Encrypt(PlainText, clsRSA.PublicKey); tbWorking.Text = System.Text.Encoding.ASCII.GetString(Encrypted); } private void btnDecrypt_Click(object ... toconvert plain text, to cipher text or vice versa
A cryptographic algorithm, or cipher, is a prescribed algorithm for verting plain text into cipher text and back again, using a key con-
Strength

Ngày tải lên: 12/08/2014, 21:20

... WebProxy class This class contains twopublic variables and two functions Create the class thus: C# public class WebProxy { public Socket clientSocket; public Form1 UserInterface; } VB.NET Public Class ... data moving quickly 11.2.1 Caching Caching can increase network performance by storing frequently accessedstatic data in a location that provides faster data return than the normalaccess time ... through an RS232 connection (briefly described in Chapter 4) or byusing HTTP Each computer can periodically connect to the router and set up port forwarding so that incoming requests come to it rather

Ngày tải lên: 12/08/2014, 21:20

... public static int hCall; public static int hTAPI; public static int lNumLines; public static int hLine; public static linedevcaps lpLineDevCaps; public static frmTAPI userInterface; public const ... public const int LINE_LINEDEVSTATE = 8; public const int LINE_CALLSTATE = 2; public const int LINECALLSTATE_OFFERING = 0x2; public const int LINECALLSTATE_ACCEPTED = 0x4; public const int LINECALLSTATE_DISCONNECTED ... InterfaceStatistics class IncomingPacketsDiscarded Gets the number of incoming packets discarded IncomingPacketsWithErrors Gets the number of incoming packets with errors IncomingUnknownProtocolPackets

Ngày tải lên: 12/08/2014, 21:20

... interface IComPlusServer { void ExecSQLAsync(string SQL,string strDSN); } [InterfaceQueuing(Interface="IComPlusServer")] public class ComPlusServer : ServicedComponent, IComPlusServer ... public void ExecSQLAsync(string SQL,string strDSN) { OleDbConnection DSN = new OleDbConnection(strDSN); End Interface <InterfaceQueuing([Interface] := "IComPlusServer")> _ Public ... directly execute the ExecSQLAsync method onthe ComPlusService component Instead it writes an instruction to theComPlusService queue in MSMQ, which is then read back by componentservices, which

Ngày tải lên: 12/08/2014, 21:20

... client certificate wsitua-ithyour name on it An X.509 certificate can be included in the client request by adding it to the ClientCertificates collection thus: C# localhost.Service1 webservice = ... hosting on several servers in parallel.Because Web services run over IIS, they can be scaled upward in much thesame way as any Web site This includes using load-balancing systems such sin-as Cisco ... svc.BegingetServerVariableNames(new AsyncCallback(ServiceCallback1),null); svc.BegingetServerVariable("REMOTE_ADDR",new AsyncCallback(ServiceCallback2),null); } private void ServiceCallback1(IAsyncResult result)

Ngày tải lên: 12/08/2014, 21:20

... application programming interface 153where c:\picture.jpg is the image you wish to display 5.6 Mail application programming interface Microsoft Outlook provides an interface to applications to access ... form a custom Web browser This time, instead of includingthe COM control in the project by right-clicking on the toolbox and add-ing it there, we call the COM control directly through code This ... = New Object(1) {} Dim ITCObject As Object ITC = Type.GetTypeFromProgID("InetCtls.Inet") ITCObject = Activator.CreateInstance(ITC) parameter(0) = CType(tbServer.Text, String) parameter(1)

Ngày tải lên: 12/08/2014, 21:20

... classes con-tained within the root\cimv2 namespace, load WBEMTEST, press Con-nect→→Type root\cimv2→→→Connect→→→Enum Classes→→Check Recursive→→ →→click Ok The data contained in these classes can be queried ... return Rcode; } VB.NET Public Function describeResponse(ByRef code As Integer) _ As String Trang 4 Dim Rcode As String Select Case code Case 0 : Rcode = "Success" Case 11001 : Rcode = ... those computers You are not restricted to reading data when using WMI; you can also form actions on remote computers using this technology Functions such asstarting and stopping services, rebooting,

Ngày tải lên: 12/08/2014, 21:20

... otherthread is executing the code in the critical section Different critical sections using thesame name are treated as one common critical section, which means that only one thread at a time is inside them ... directive-pair: • The code enclosed in each section must be a structured block of code: no branching into or out of the block is allowed • All the!$OMP SECTIONdirectives must be located in the lexical extend ... directive is limited to the lexical extent of thedirective-pair The combined parallel work-sharing constructs are shortcuts for specifying a parallel region that contains only one work-sharing construct

Ngày tải lên: 24/10/2014, 20:53

... routines are called after each interrupts event occurs • These routines are called an Interrupt Service Routine (ISR) and are located in special memory loc • INT0 and INT1 pins used to accept ... 1HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY AND EDUCATION FACULTY OF HIGH QUALITY TRANING  COMPUTER ORGANIZATION AND ARCHITECTURE COMPUTER COMMUNICATION PROGRAMMING USING C# VIA SERIAL PORT ... powerful controlling machines Trang 63 5 CPU Microcontroller 8051 has a central processing unit which is also called ALU (Arithmetic Logic Unit) which performs all arithmetic and logical operation

Ngày tải lên: 08/11/2022, 13:43

... enhancing communication efficiency and reliability.INTRODUCTION TO 8051ApplicationThe 8051 microcontroller has numerous important applications across various industries It plays a crucial role in ... INTRODUCTIONThis project aims to enable the 8051 microcontroller to interpret input data received via the COM serial port By utilizing C# programming language, we facilitate seamless communication ... skknchat123@gmail.com moi nhat• Interrupt handler routines are called after each interrupts event occurs.• These routines are called an Interrupt Service Routine (ISR) and are located in special

Ngày tải lên: 08/11/2022, 16:02

... 1HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY AND EDUCATIONFACULTY OF HIGH QUALITY TRANING  COMPUTER ORGANIZATION AND ARCHITECTURE COMPUTER COMMUNICATION PROGRAMMING USING C# VIA SERIAL PORT ... unique architecture as shown in the figure, which consists of functional blocks to build 8051 powerful controlling machines 2 Trang 65 CPUMicrocontroller 8051 has a central processing unit which is ... 4 9 Timers and Counters 4 10 Interrupts 4 11 Oscillator 5 12 I/O Ports 5 13 Serial Communication port 5 III. PROGRAMMING COMPUTER COMMUNICATION VIA SERIAL PORT 6 1 Serial communication 6 2 Tranmission

Ngày tải lên: 07/12/2022, 09:51

... new socket using send() and r ecv ( ) 9 Close the client connection using c l o s e ( ) Creating the socket, sending, receiving, and closing are the same as in the client The differences in the ... sends and receives on the new sockets The server gets a socket for an incoming client connection by calling accept () int accept(int socket, struct sockaddr *clientAddress, unsigned int *addressLength) ... TCP client goes t h r o u g h four basic steps: 1 Create a TCP socket using socket() 2 Establish a connection to the server using connect () 3 C o m m u n i c a t e using send() and recv() 4 Close

Ngày tải lên: 05/11/2012, 14:45

... sin6_family; in_port_t sin6_port; uint32_t sin6_flowinfo; struct in6_addr sin6_addr; }; Trang 19Working with Addressesstruct sockaddr_in6 the socket routines struct sockaddr_in addr; Trang 20Creating ... = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol); Trang 24Accepting Connections#include <sys/types.h> #include <sys/socket.h> int connfd; struct sockaddr_in cliaddr; ... for new connections The backlog is the maximum number of connections the socket will queue up, each waiting to be accept()’ed Trang 14Connecting to a Server#include <sys/types.h> #include

Ngày tải lên: 05/09/2013, 09:57

... 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

... 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