Category: Qt in Embedded

PyQt4: Getting into action

PyQt4: Getting into action

After a short tutorial, let’s make a “Serial Data Reader application”. PROBLEM STATEMENT: The data has to be read from the serial port and to be displayed to a text box in the form. SOLUTION: The first step of every solution is to make the Flow-Chart. The flow chart for this problem will be like […]

Read More

PyQt4: Getting into depth

Now lets add some functionalities to the window generated. For that, I am listing the APIs to create any widget and handling signals & slots: To create any widget: 1. textbox=QtGui.QTextBox(“content of the text box”) Note:This will work fine unless until you need to access this textbox in some function treating it as a global […]

Read More
PyQt4: Displaying Windows

PyQt4: Displaying Windows

While coding in PyQt, one should be familiar with both the python language and Qt Gui programming. How to write a minimal skeleton code: First we have to add the following line to the script to avoid writing python for executing each script 😛 #!/usr/bin/python Thereafter all the necessary modules will have to be imported. […]

Read More
Introduction to PyQt: light-weight cross-platform Solution for Qt

Introduction to PyQt: light-weight cross-platform Solution for Qt

While i was getting handy with Qt, came the problem of porting the application to the other platforms. For me, the main aim while jumping in Qt application development is to make the application run on embedded boards like mini2440, Raspi etc. and this time the board was Raspberry Pi. There was some UI based […]

Read More
Serial Port Interfacing in Qt

Serial Port Interfacing in Qt

     Well, for an embedded system guy, serial port is one of the most popular way to make your PC communicate with a target board, be it SBC or some serial based automation sort of work. Now, challenge is to use your own serial terminal software 😛 Well that’s the least what can be expected […]

Read More
Qt: Hello World

Qt: Hello World

So here is the most basic application of Qt: Printing HELLO WORLD !!!!!! There are two ways of accomplishing that: using Qt- Creator IDE using terminal and creating our generating makefile First the easy one 😛 Using GUI method:- First create new QT-console project. (console simply means the output will be in form of a […]

Read More
Qt: Introduction

Qt: Introduction

Hii friends, this time i am going to share my little knowledge about Qt… i.e.. what is Qt, why it is used, and (obviously) how it is used 😛 Later on, in the successive blogs, I will show how to write applications in Qt. Qt is basically a cross-platform c++ based application framework. Cross- platform means […]

Read More
RaspberryPi Basics: Part I-GPIO usage

RaspberryPi Basics: Part I-GPIO usage

So, this time we are having Raspberry Pi, to experiment with, WooooOO! Thanks to Vinay Chaddha Sir, for this.  Actually I have to show some prototype model based on the single board computers and I dont see anything cheaper than RaspberryPi.  I actually need 8-10 of them but the one I ordered is still pending […]

Read More