CHAPTER-5 SOFTWARE AND PROGRAM

 5.1 INTRODUCTION

Computer software, or simply software, is a collection of data or computer instructions that tell the computer how to work. This is in contrast to physical hardware, from which the system is built and actually performs the work.

5.2 TYPES OF SOFTWARE USED

  1. *      ARDUINO IDE
  2.            PROCESSING

5.3 ARDUINO IDE SOFTWARE

The Arduino Integrated Development Environment (IDE) is a cross-platform application (for Windows, macOS , Linux) that is written in functions from C and C++. It is used to write and upload programs to Arduino compatible boards, but also, with the help of third-party cores, other vendor development boards.

The source code for the IDE is released under the GNU General Public License, version The Arduino IDE supports the languages C and C++ using special rules of code structuring. The Arduino IDE supplies a software library from the Wiring project, which provides many common input and output procedures. User-written code only requires two basic functions, for starting the sketch and the main program loop, that are compiled and linked with a program stub main() into an executable cyclic executive program with the GNU toolchain, also included with the IDE distribution. The Arduino IDE employs the program avrdude to convert the executable code into a text file in hexadecimal encoding that is loaded into the Arduino board by a loader program in the board's firmware. By default, avrdude is used as the uploading tool to flash the user code onto official Arduino boards. 

5.4 PROCESSING SOFTWARE 

Processing is an open-source graphical library and integrated development environment (IDE) built for the electronic arts, new media art, and visual design communities with the purpose of teaching non-programmers the fundamentals of computer programming in a visual context. Processing uses the Java language, with additional simplifications such as additional classes and aliased mathematical functions and operations. It also provides a graphical user interface for simplifying the compilation and execution stage. The Processing language and IDE have been the precursor to other projects including Arduino, Wiring and p5.js. 

5.5 HOW ARDUINO SOFTWARE IS RELATED TO PROCESSING SOFTWARE

The Arduino IDE and the Processing IDE will communicate with each other through serial communication. The Processing IDE has a serial library which makes it easy to communicate with the Arduino. When we move the potentiometer knob, the Arduino will send a value between 0 and 255 to the Processing IDE. The Processing IDE will then change the color of the serial window according to the movement of the potentiometer knob. Similarly, when we press the mouse button in the serial window of the Processing IDE, the Processing IDE will send a ‘1’ or ‘0’ depending on the left or right mouse button to the Arduino IDE. The Arduino IDE will then turn the LED ON or OFF according to the button pressed.

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