Arduino Raylib

The Arduino Raylib is a library that allows you to simulate the behaviors and visual output we would have in an Arduino program, from your computer.

This tool was created because I like creating libraries for Arduino, specially visual effects and animations using a TFT and ESP32 (for example).

Its very convenient for me to be able to debug and visualize the results in the computer, without having to upload the project to an actual Arduino.

Key Features

Facilitates the development of Arduino applications
Offers a syntax similar to that of a real program
Allow use the computer debug
Utilizes Raylib to provide a graphical visualization similar to TFT_eSPI

When to use it

What it is

It's a tool designed to streamline the development process of Arduino applications, by employing a syntax similar to that of a real Arduino program.

Some functions like millis(), delay(2000), are provided. Also some 'mock' functions, like digitalRead() or digitalWrite. (mock means that doesn't have a real physical effect, but can be used to simulate real world behavior). Pinout are generic (1 to 16 GPIO), and not specific to any board.

It uses Raylib and Raygui to create visual programs and animations. A simulation of the real TFT are provided. I use the sintax that you can find, for example, in Adafruit GPX or TFT_eSPI.

What it's not

It's not a complete simulator of Arduino code or hardware (and never will be). It does not provide precise emulation of all Arduino-specific components and functionalities. Of course, third party libraries for Arduino are not supported.

How to use

Clone the repo
Open solution in Visual Studio
Compile Raylib project (right click over project, select build)
Finally, replace the code inside main.hpp with you Arduino code, and run arduino_raylib to watch your code run in your computer.

For example

#include <RaylibArduino.hpp>

TFT_eSPI lcd = TFT_eSPI();
TFT_eSprite sprite = TFT_eSprite(&lcd);

static const uint16_t icon[1298] = {
   // omited
};

void Update()
{
}

void Render()
{
  lcd.fillScreen(TFT_BLACK);

  lcd.drawCircle(40, 40, 5, TFT_RED);
  lcd.drawLine(40, 40, 80, 80, TFT_BLUE);
  lcd.drawString("HOLA", 200, 200, 12);

  sprite.pushImage(120, 40, 22, 59, icon);
  sprite.pushSprite(0, 0);
}

void setup()
{
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);

  sprite.createSprite(22, 59);
}