RoboRIO

What is an API?

Simply put, an API or Application Programming Interface, is a library of pre-written computer programs that simplify the use of software or hardware features. When you look at a robot, there is a lot of low level programming needed to operate motors, read sensors, control valves, all at the binary level. There has to be different low level code for each different hardware component.

How do programming languages make robots work?

In the simple view, robots are mechanical devices controlled by embedded computers. Robots typically employ sensors, to obtain input about their environment and motors or other actuators that allow the robot to act in or alter that same environment. A necessary component of any robot will be a computer (also called a controller) which is running a program that takes the available input and translates it to an appropriate output. In a robot, output typically is physical action: moving a servo, spinning a motor, etc.

What is a programming language?

When we are programming, that is creating a program for a computer to execute, we will use a programming language. Like English or Spanish, a programming language is a written way to communicate with someone (or something). Computer languages allow you to encode the operations you wish to have the computer perform with a syntax (language) that is much easier for you to understand than the numeric language (binary) that computers understand.

What is Programming?

When used in the context of computers, programming generally means the process of creating the instructions that a computer will follow in solving a particular problem or completing some task. The product of programming is a "program", which is a package of instructions that can be executed by a computer.

STEM Robotics 201 Unit 1 Lession 2 - Diff #2

Differentiated item #2.

How do programming languages make computers work?

At the hardware level, computers understand one language, called machine language (also called object code). This is the set of instructions supported by the computer's processor hardware and is specific to each type of processor. This object code language is numeric in nature and expressed in binary, which is a numeric coding made up of only 1s and 0s (base 2). It is very tedious to program in binary, so higher level languages were created to make it easier to create programs.

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