Programming the Parallel Port

... Chapter 3 The Parallel Printer Adapter 25 Anatomy of the Parallel Printer Port 26 The DATA Port 29 The CONTROL Port 31 The STATUS Port 33 Printing with the Parallel Adapter 36 Using the Parallel ... to the PC through the parallel printer adapter (i.e., the parallel port) . Parallel ports are universally available on all PCs and compatibles. Another b...

Ngày tải lên: 04/11/2013, 18:15

... (SPP) The parallel port in the original IBM PC, and any port that emulates the original port& apos;s design, is sometimes called the SPP, for standard parallel port, even though the original port had ... the parallel port. On older systems, the parallel port is on an expansion card with the video adapter. These should include a way to dis- able the video a...

Ngày tải lên: 22/01/2014, 11:20

... set up the serial port myPort.setSerialPortParams(BAUD, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); break; case CommPortIdentifier .PORT _PARALLEL: thePort = thePortID.open("DarwinSys ... told if another application wants to use the port. Then you can either close the port and the other application will get it, or ignore the request and the ot...

Ngày tải lên: 27/10/2013, 14:15

... applied on the Parallel Port pins 2 to 7. The host then checks to see if the printer is busy. i.e. the busy line should be low. The program then asserts the strobe, waits a minimum of 1µS, and then ... read the MSnibble and put the two nibbles together to make a byte, Interfacing the Standard Parallel Port http://www.senet.com.au/~cpeacock Interfacing the Standard...

Ngày tải lên: 12/12/2013, 04:15

... build the application. We then introduce the opensource Pluto portal and show how you can deploy the example portlet on Pluto.Chapter 3: The Portlet Life CycleIn this chapter, we discuss how a portlet ... build a portal by plugging components from differentvendors into a portal from any vendor. These components are portlets, and weexplain how to build them in this book .The noble aim...

Ngày tải lên: 20/08/2012, 11:54

... the application. We then introduce the open source Pluto portal and show how you can deploy the example portlet on Pluto. Chapter 3: The Portlet Life Cycle In this chapter, we discuss how a portlet ... build a portal by plugging components from different vendors into a portal from any vendor. These components are portlets, and we explain how to build them in this book. The noble aim...

Ngày tải lên: 05/10/2013, 04:20

... configurations—either the installation succeeded on all of them, or the changes were rolled back and the servers are left just as they were before you tried to install the product. Another benefit of having the ... pbValid); The Name property contains the name of the object. For example, if the object is a COM+ application, the name will be the application's name....

Ngày tải lên: 05/10/2013, 15:20

... light the lamp beside the bed. I began to look at the pictures on the walls, and as I did so I read a small book. I found this book on the bed next to me. It described all the pictures in the room, ... and moved the lamp closer. Now, the lamp's light fell in a different part of the room, a part that was in deep shadow until then. I saw more pictures, and among them th...

Ngày tải lên: 14/10/2013, 17:11

... eral examples of the creating of messages and the dispatching of these messages both by the object that created them and by other objects. Figure 9-1. The inheritance hierarchy for the Application ... posted message becomes the next in the queue, the looper invokes DispatchMessage() to pass the message to the target handler. The effect is for the posted message to reac...

Ngày tải lên: 17/10/2013, 19:15