EmbLogic's Blog

Category Archives: Parallel Port Driver

IEEE 1284-1994 std. device driver for 74LS244 Parallel port- BYTE MODE

RCS file: header.h,v Working file: header.h head: 1.2 branch: locks: strict root: 1.2 access list: symbolic names: keyword substitution: kv total revisions: 2; selected revisions: 2 description: File contains header file and macros used —————————- revision 1.2 locked by: root; … Continue reading

Posted in Device Drivers, Parallel Port Driver | Leave a comment

IEEE std. 1284-1994 std. Signaling method for 74LS244 – NIBBLE MODE

RCS file: header.h,v Working file: header.h head: 1.2 branch: locks: strict root: 1.2 access list: symbolic names: keyword substitution: kv total revisions: 2; selected revisions: 1 description: This is header file, which contains all the header file used in driver … Continue reading

Posted in Device Drivers, Parallel Port Driver | Leave a comment

compatibility mode communication– IEEE standard 1284-1994, parallel port device driver

RCS file: header.h,v Working file: header.h head: 1.1 branch: locks: strict emblogic: 1.1 access list: symbolic names: keyword substitution: kv total revisions: 1;    selected revisions: 1 description: included header files —————————- revision 1.1    locked by: emblogic; date: 2014/11/11 05:29:43;  author: … Continue reading

Posted in Parallel Port Driver | Leave a comment

Compatibility Mode Communication using IEEE Standard 1284-1994(Standard Signalling Method)

RCS file: header.h,v Working file: header.h head: 1.1 branch: locks: strict root: 1.1 access list: symbolic names: keyword substitution: kv total revisions: 1; selected revisions: 1 description: —————————- revision 1.1 locked by: root; date: 2014/11/10 04:15:07; author: root; state: Exp; … Continue reading

Posted in Device Drivers, Parallel Port Driver | Leave a comment

Nibble Mode Communication using IEEE Standard 1284-1994(Standard Signalling Method)

Implementation of Nibble Mode communication using Parallel Port Device Driver. 1. Host signals ability to take data by making the Busy pin low. 2. Now peripheral or writer responds by placing First nibble. Writer Writes on Data line, on the … Continue reading

Posted in Parallel Port Driver | Leave a comment

IEEE Std 1284 – 1994 : Standard Signalling Method for a bi-directional parallel peripheral interface for personal computers (Nibble Mode) and associated device driver

This project implements the protocol, for data transfer between a personal computer and a parallel peripheral interface, under NIBBLE MODE. The protocol has been implemented by using polling method for checking the status of the peripheral device and the host. … Continue reading

Posted in Parallel Port Driver | Leave a comment

IEEE Std 1284 – 1994 : Standard Signalling Method for a bi-directional parallel peripheral interface for personal computers ( Byte Mode) and associated device driver

Writing a driver for 74LS244 parallel port and implementing read and write operations under compatability mode. Following are the rcs files : 1. initialization : RCS file: ./initialization.c,v Working file: initialization.c head: 1.4 branch: locks: strict root: 1.4 access list: … Continue reading

Posted in Parallel Port Driver | Leave a comment

How to find chipset mounted on your motherboard?????

You can find the chipset mounted on your motherboard . using coomand ==lspci on the terminal will give ou list of all chipset for audio card , usb ,serial, parallel ,vga …….etc

Posted in Character Driver, Parallel Port Driver, Serial Port Driver | Leave a comment

Interrupts in Parallel Port

A parallel port can generate interrupts when the voltage level on a certain input pin changes. The parallel port has to be instructed explicitly to generate interrupts and it is also possible to inhibit interrupts (e.g., while serving a previous … Continue reading

Posted in Parallel Port Driver | Leave a comment

PARALLEL PORT -8 led array

Succesfully implemented the parallel port outb operations using 8-led array!!! I had firstly make a sculldev allocate memory to it so that i can map the file_operations through the cdev_init and cdev_add operations and then map the parallel port address … Continue reading

Posted in Parallel Port Driver | Leave a comment

Memory-Mapped I/O v/s Port-Mapped I/O

Memory-mapped I/O (MMIO) and port-mapped I/O (PMIO) (which is also called isolated I/O) are two complementary methods of performing input/output between the CPU and peripheral devices in a computer. An alternative approach is using dedicated I/O processors—commonly known as channels … Continue reading

Posted in Parallel Port Driver | Leave a comment

PARALLEL PORT INTERFACE

PARALLEL PORT A parallel port is a type of interface found on computers (personal and otherwise) for connecting peripherals. In computing, a parallel port is a parallel communication physical interface. It is also known as a printer port or Centronics … Continue reading

Posted in Parallel Port Driver | Leave a comment

An introduction to Parallel port

An Introduction to parallel port A parallel interface for connecting an external device. Parallel port is basically used to transfer data parallely . 8 bits of data is transmitted at a time in parallel port.On PCs, the parallel port uses … Continue reading

Posted in Parallel Port Driver | Leave a comment

PARALLEL PORT

PARALLEL PORT Parallel port is the mostly used for interfacing line printers. It was introduced by IBM in early 1980′s. Earlier there was no standard defined for parallel port interfacing. Every company has their own standards for interfacing parallel port. … Continue reading

Posted in Device Drivers, Parallel Port Driver | Leave a comment

Parallel Port Status to Prabjot Sir

Implemented Compatibility Mode. Implemented Nibble mode for single and multiple bytes. Implemented Byte mode for single byte. Working on Byte mode for multiple bytes.

Posted in Device Drivers, Parallel Port Driver | Leave a comment