DaemonBite-Retro-Controllers-USB/CD32ControllerUSB/Gamepad.h

/*  Gamepad.h
 *   
 *  Based on the advanced HID library for Arduino: 
 *  https://github.com/NicoHood/HID
 *  Copyright (c) 2014-2015 NicoHood
 * 
 *  Copyright (c) 2020 Mikael Norrgård <http://daemonbite.com>
 *
 *  GNU GENERAL PUBLIC LICENSE
 *  Version 3, 29 June 2007
 *  
 *  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 <https://www.gnu.org/licenses/>.
 *  
 */

#pragma once

#include <Arduino.h>
#include "HID.h"

// NOTE: To make this work on the MiSTer (or possibly other Linux distros), 
// you need to edit USBDesc.h like follows. Change:
// #define ISERIAL         3
// to
// #define ISERIAL         0

// The numbers after colon are bit fields, meaning how many bits the field uses.
// Remove those if there are problems
typedef struct {
  union 
  {
    struct {
      bool  b0: 1 ;
      bool  b1: 1 ;
      bool  b2: 1 ;
      bool  b3: 1 ;
      bool  b4: 1 ;
      bool  b5: 1 ;
      bool  b6: 1 ;
      bool  b7: 1 ; 
    };
    uint8_t buttons;
  };
  int8_t X  ;
  int8_t Y  ;  
  
} GamepadReport;


class Gamepad_ : public PluggableUSBModule
{  
  private:
    uint8_t reportId;

  protected:
    int getInterface(uint8_t* interfaceCount);
    int getDescriptor(USBSetup& setup);
    uint8_t getShortName(char *name);
    bool setup(USBSetup& setup);
    
    uint8_t epType[1];
    uint8_t protocol;
    uint8_t idle;
    
  public:
    GamepadReport _GamepadReport;
    Gamepad_(void);
    void reset(void);
    void send();
};