RTOS LIST

List of RTOS available in embedded system market
LAST EDITED : DEC-2008

Real Time Operating System (RTOS), are used in Embedded System. Now days there are so many vendors in the market which provide RTOS. Some of them are well established also. We try to compile a list of RTOS which are available in market as per our knowledge. This list of RTOS is divided into two categories, Free or Open Source RTOS and Proprietary or Closed Source RTOS

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EMBEDDED LINUX: AN INTRODUCTION

Running Linux in embedded system

Linux OS running in embedded system is known as Embedded Linux. Linux OS occupy only up to 100KB space in memory. Now days most ES based on 32 bit processor like ARM, PowerPC, ColdFire etc have sufficient amount of flash and RAM memory.  Above examples prove that Linux operating system can be kept in ES.
Actually Linux is one of the favorite OS for ES. The reason behind this is following …

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MINICOM: SERIAL TERMINAL IN LINUX

Lean how to use Minicom in Linux
LAST EDITED : JAN-2008
Keywords: HyperTerminal in Linux, How to use HyperTerminal in linux, Serial terminal in linux

Minicom is a text-based modem control and terminal emulation program for Linux operating systems, originally written by Miquel van Smoorenbur. Minicom (Hyperterminal in Windows) is easy and effective used for serial communication between Microcontroller for Testing and Analysis Purpose. Minicom helps you in Configuring Linux on Board, Running TFTP Server and others. Although, Minicom is very much Similar HyperTerminal in Windows. But its configuration in quite tricky then of HyperTerminal ...
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Free Development Toolchain for 8051

SDCC, Eclipse for 8051 microcontroller
Last Edited: Sep-2008

This is Free Development toolchain based on SDCC compiler and Eclipse IDE. SDCC is Small Device C Compiler , which support 8051 microcontroller. This is opensource and free to download. On the other hand eclipse is open source IDE, This IDE is now a days used by many vendors and users. We have plugin for SDCC for eclipse.
So by using these two we can preare a development toolchain for 8051. To know more read complete article here ...
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Interrupt Programming for 8051

Learn to use external interrupt practically
Last Edited: Sep-2008

Interrupt is one of the most inportant part of Embedded System programming. It is quite tactic and easy to program once learned. Here we will tell you how to use external interrupt with a practical example. In the example we have inerfaced stepper motor with 8051microcontroller and a switch is used to connect with interrupt line.
Complete working program is also given ...
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8051 Programming: Interfacing LCD in 4 bit mode

LCD in 4 bit mode
Last Edited: Jul-2008

Interfacing of LCD require 8 data lines (D7 to D0) and 3 control lines (RS,RW,EN). For that we microcontroller’s 11 lines are engaged. In case of using 8051 microcontroller we most of the times we can not effort this in commercial applications. because we require more I/O lines.
So, it is possible to interface LCD by only 4 data lines. In that case we require only 7 lines of microcontroller to interface with LCD Display. Read this article to know how to do that.
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8051 Programming: Interfacing via Serial Port

Debugging technique for 8051
Last Edited: Jul-2008

Embedded System development is not an easy task. Major problem is that we do need to see value of variable of our program and information about flow of our program. For this requirement people use In Circuit Emulator ( Click Here ) which is costly tool. And without knowing actually what happening inside microcontroller, it is very difficult to do debugging Read more

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Stepper Motor: Introduction

Complete view of stepper motors
Last Edited: June-2008

A Stepper Motor is widely used device in position control task. A Stepper Motor is widely used for translates electrical pulses in to mechanical movement. Stepper Motor have a permanent magnet or rotor surrounded by stator.
In this article series, different type of stepper motors and their applications are described.
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Stepper Interfacing with Microcontroller

Interfacing with 8051 microcontroller
Last Edited: June-2008

The Stepper Motor is easily interfaced with 8051 and ULN 2803.Darlinton pair with high current rating. User can make Driver Circuit with help of Transistor. But IC’s ULN 2803 is best method for ease of design. User can use Pull up and Pull down for enhancing or decaying the value of current
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Development Tools for 8051

Let us see different toolchain availabe for 8051 in market
Last Edited: June-2008

This article lists different tools from various vendors which can be used for development in 8051. Most of the vendor also gives evaluation or demonstration version of their tools. This version can be easily downloaded and user can evaluate them.
There are also less featured versions which can be used by engineering students for their study and their project.
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Use of Eclipse and GCC For Native Development

Let us learn how to use eclipse and gcc for writing application for PC
Last Edited: May-2008

Let us use professional tools for our C programming. We can use GCC compiler and Eclipse IDE for doing programming in C language on window platform. This article is for installing gcc  and eclipse on windows and using of GCC and Eclipse for C Programming.
These tools are following?
  > Eclipse
  > GCC
  > GNU Debugger
  > Cygwin Read more

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