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Genesis/Mega Drive Gamepad with Arduino

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Synopsis

Simple C++ library allowing to control a Genesis/Mega Drive gamepad for Arduino.

Features

  • Press and release button feedback (see sample code).
  • Enable/disable gamepad.
  • Adjustable refresh rate (default is 50Hz).
  • Multiple gamepad allowed.
  • Full C++ approach with delegation paradigm for asynchronous callbacks.
  • C compatibility with enhanced C function callbacks.

DB9 connector

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Pin Button(s) Wire
1 Up Brown
2 Down Red
3 Left Orange
4 Right Yellow
5 +5V Green
6 A/B Blue
7 Select Grey
8 Ground Black
9 Start/C White

Code Example

#include <GenesisGamepad.h>

// Use the pins you want here
int8_t upButtonPin     = A0;
int8_t downButtonPin   = A1;
int8_t leftButtonPin   = A2;
int8_t rightButtonPin  = A3;
int8_t selectButtonPin = 2;
int8_t abButtonPin     = 3;
int8_t startCButtonPin = 4;

GenesisGamepad *gamePad = NULL;

void setup() 
{
  Serial.begin(9600);

  gamePad = new GenesisGamepad(upButtonPin,downButtonPin,leftButtonPin,rightButtonPin,
                               selectButtonPin,abButtonPin,startCButtonPin);
                               
  gamePad->attachCallback(gamepadInputsDidChangedCallback);

  Serial.println("-Press buttons on your gamepad-");
}

void loop() 
{
  gamePad->update();
}

void gamepadInputsDidChangedCallback(GenesisGamepad *sender, byte previousInputs, byte newInputs)
{
  Serial.println("Button state changed.");
}

See examples directory for full sample code.

Motivation

This library is part of a personnal project to improve my EM10 Takahashi mount thanks to Arduino.

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License

Copyright (c) 2017 by Sebastien MARCHAND Web:www.marscaper.com - Email:[email protected]

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.