View
214
Download
0
Category
Preview:
Citation preview
Graphical Programming Languages
Lecture 19: Supporting Material
Dr Kathryn Merrick
Thursday 21st May, 2009
Overview
Graphical programming languages:
Variables, types, values, operators
Flow of control
Built-in functions
Strengths and limitations
Lego Mindstorms NXT: Programmable Robots
Programmable Brick
The NXT Programming Environment
The programming window
Built-in Functions
‘Move’ functions connected up like Lego bricks
Input parameters set here
Loops
Loop connected up like a Lego brick Exit condition
(can behave like a for loop or a while loop)
Instructions to be repeated will be dragged into here
Selection
Selection connected up like a Lego brick Conditions
set here
What to do will be dragged into here
A Complete Program
Demo 1:
Programming a Lego scorpion
Variables
Variable brick
Maths Operators
Maths operator brick
Boolean Operators
Boolean operator brick
Complete Program
Demo 2:
Programming a Lego scorpion
Summary
After today’s lecture you should be able to:
Identify the key programming tools we used in MATLAB in the NXT graphical language
Appreciate the strengths and weaknesses of graphical languages
Recommended