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Two controller adapter added.

pull/1/head
MickGyver 3 years ago
parent
commit
58ffc0c8b1
  1. 145
      SegaTwoControllersUSB/Gamepad.cpp
  2. 80
      SegaTwoControllersUSB/Gamepad.h
  3. 237
      SegaTwoControllersUSB/SegaControllers32U4.cpp
  4. 88
      SegaTwoControllersUSB/SegaControllers32U4.h
  5. 93
      SegaTwoControllersUSB/SegaTwoControllersUSB.ino

145
SegaTwoControllersUSB/Gamepad.cpp

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/* Gamepad.cpp
*
* 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 "Gamepad.h"
static const uint8_t _hidReportDescriptor[] PROGMEM = {
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x04, // USAGE (Joystick) (Maybe change to gamepad? I don't think so but...)
0xa1, 0x01, // COLLECTION (Application)
0xa1, 0x00, // COLLECTION (Physical)
0x05, 0x09, // USAGE_PAGE (Button)
0x19, 0x01, // USAGE_MINIMUM (Button 1)
0x29, 0x08, // USAGE_MAXIMUM (Button 8)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x95, 0x08, // REPORT_COUNT (8)
0x75, 0x01, // REPORT_SIZE (1)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x01, // USAGE (pointer)
0xa1, 0x00, // COLLECTION (Physical)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x15, 0xff, // LOGICAL_MINIMUM (-1)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x95, 0x02, // REPORT_COUNT (2)
0x75, 0x08, // REPORT_SIZE (8)
0x81, 0x02, // INPUT (Data,Var,Abs)
0xc0, // END_COLLECTION
0xc0, // END_COLLECTION
0xc0, // END_COLLECTION
};
Gamepad_::Gamepad_(void) : PluggableUSBModule(1, 1, epType), protocol(HID_REPORT_PROTOCOL), idle(1)
{
epType[0] = EP_TYPE_INTERRUPT_IN;
PluggableUSB().plug(this);
}
int Gamepad_::getInterface(uint8_t* interfaceCount)
{
*interfaceCount += 1; // uses 1
HIDDescriptor hidInterface = {
D_INTERFACE(pluggedInterface, 1, USB_DEVICE_CLASS_HUMAN_INTERFACE, HID_SUBCLASS_NONE, HID_PROTOCOL_NONE),
D_HIDREPORT(sizeof(_hidReportDescriptor)),
D_ENDPOINT(USB_ENDPOINT_IN(pluggedEndpoint), USB_ENDPOINT_TYPE_INTERRUPT, USB_EP_SIZE, 0x01)
};
return USB_SendControl(0, &hidInterface, sizeof(hidInterface));
}
int Gamepad_::getDescriptor(USBSetup& setup)
{
// Check if this is a HID Class Descriptor request
if (setup.bmRequestType != REQUEST_DEVICETOHOST_STANDARD_INTERFACE) { return 0; }
if (setup.wValueH != HID_REPORT_DESCRIPTOR_TYPE) { return 0; }
// In a HID Class Descriptor wIndex cointains the interface number
if (setup.wIndex != pluggedInterface) { return 0; }
// Reset the protocol on reenumeration. Normally the host should not assume the state of the protocol
// due to the USB specs, but Windows and Linux just assumes its in report mode.
protocol = HID_REPORT_PROTOCOL;
return USB_SendControl(TRANSFER_PGM, _hidReportDescriptor, sizeof(_hidReportDescriptor));
}
bool Gamepad_::setup(USBSetup& setup)
{
if (pluggedInterface != setup.wIndex) {
return false;
}
uint8_t request = setup.bRequest;
uint8_t requestType = setup.bmRequestType;
if (requestType == REQUEST_DEVICETOHOST_CLASS_INTERFACE)
{
if (request == HID_GET_REPORT) {
// TODO: HID_GetReport();
return true;
}
if (request == HID_GET_PROTOCOL) {
// TODO: Send8(protocol);
return true;
}
}
if (requestType == REQUEST_HOSTTODEVICE_CLASS_INTERFACE)
{
if (request == HID_SET_PROTOCOL) {
protocol = setup.wValueL;
return true;
}
if (request == HID_SET_IDLE) {
idle = setup.wValueL;
return true;
}
if (request == HID_SET_REPORT)
{
}
}
return false;
}
void Gamepad_::reset()
{
_GamepadReport.X = 0;
_GamepadReport.Y = 0;
_GamepadReport.buttons = 0;
this->send();
}
void Gamepad_::send()
{
USB_Send(pluggedEndpoint | TRANSFER_RELEASE, &_GamepadReport, sizeof(GamepadReport));
}

80
SegaTwoControllersUSB/Gamepad.h

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/* 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);
bool setup(USBSetup& setup);
uint8_t epType[1];
uint8_t protocol;
uint8_t idle;
public:
GamepadReport _GamepadReport;
Gamepad_(void);
void reset(void);
void send();
};

237
SegaTwoControllersUSB/SegaControllers32U4.cpp

@ -0,0 +1,237 @@ @@ -0,0 +1,237 @@
//
// SegaControllers32U4.cpp
//
// Authors:
// Jon Thysell <thysell@gmail.com>
// Mikael Norrgård <mick@daemonbite.com>
//
// (Based on the code by Jon Thysell, but the interfacing is almost completely
// rewritten by Mikael Norrgård)
//
// Copyright (c) 2017 Jon Thysell <http://jonthysell.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include "Arduino.h"
#include "SegaControllers32U4.h"
SegaControllers32U4::SegaControllers32U4(void)
{
// Setup select pin as output high (16, PB2)
DDRB |= B00000100; // output
PORTB |= B00000100; // high
// Setup select pin as output high (5, PC6)
DDRC |= B01000000; // output
PORTC |= B01000000; // high
// Setup input pins (A0,A1,A2,A3,14,15,16 or PF7,PF6,PF5,PF4,PB3,PB1,PB2)
DDRF &= ~B11110000; // input
PORTF |= B11110000; // high to enable internal pull-up
DDRB &= ~B00001010; // input
PORTB |= B00001010; // high to enable internal pull-up
// Setup input pins (TXO,RXI,2,3,4,6 or PD3,PD2,PD1,PD0,PD4,PD7)
DDRD &= ~B10011111; // input
PORTD |= B10011111; // high to enable internal pull-up
_inputReg1 = 0;
_inputReg2 = 0;
_inputReg3 = 0;
for(byte i=0; i<=1; i++)
{
_currentState[i] = 0;
_connected[i] = 0;
_sixButtonMode[i] = false;
_ignoreCycles[i] = 0;
_pinSelect[i] = true;
}
}
word SegaControllers32U4::getStateMD1()
{
// "Normal" Six button controller reading routine, done a bit differently in this project
// Cycle TH out TR in TL in D3 in D2 in D1 in D0 in
// 0 LO Start A 0 0 Down Up
// 1 HI C B Right Left Down Up
// 2 LO Start A 0 0 Down Up (Check connected and read Start and A in this cycle)
// 3 HI C B Right Left Down Up (Read B, C and directions in this cycle)
// 4 LO Start A 0 0 0 0 (Check for six button controller in this cycle)
// 5 HI C B Mode X Y Z (Read X,Y,Z and Mode in this cycle)
// 6 LO --- --- --- --- --- ---
// 7 HI --- --- --- --- --- ---
// Set the select pin low/high
_pinSelect[0] = !_pinSelect[0];
(!_pinSelect[0]) ? PORTB &= ~B00000100 : PORTB |= B00000100; // Set LOW on even cycle, HIGH on uneven cycle
// Short delay to stabilise outputs in controller
delayMicroseconds(SC_CYCLE_DELAY);
// Read input register(s)
_inputReg1 = PINF;
_inputReg2 = PINB;
if(_ignoreCycles[0] <= 0)
{
if(_pinSelect[0]) // Select pin is HIGH
{
if(_connected[0])
{
// Check if six button mode is active
if(_sixButtonMode[0])
{
// Read input pins for X, Y, Z, Mode
(bitRead(_inputReg1, DB9_PIN1_BIT1) == LOW) ? _currentState[0] |= SC_BTN_Z : _currentState[0] &= ~SC_BTN_Z;
(bitRead(_inputReg1, DB9_PIN2_BIT1) == LOW) ? _currentState[0] |= SC_BTN_Y : _currentState[0] &= ~SC_BTN_Y;
(bitRead(_inputReg1, DB9_PIN3_BIT1) == LOW) ? _currentState[0] |= SC_BTN_X : _currentState[0] &= ~SC_BTN_X;
(bitRead(_inputReg1, DB9_PIN4_BIT1) == LOW) ? _currentState[0] |= SC_BTN_MODE : _currentState[0] &= ~SC_BTN_MODE;
_sixButtonMode[0] = false;
_ignoreCycles[0] = 2; // Ignore the two next cycles (cycles 6 and 7 in table above)
}
else
{
// Read input pins for Up, Down, Left, Right, B, C
(bitRead(_inputReg1, DB9_PIN1_BIT1) == LOW) ? _currentState[0] |= SC_BTN_UP : _currentState[0] &= ~SC_BTN_UP;
(bitRead(_inputReg1, DB9_PIN2_BIT1) == LOW) ? _currentState[0] |= SC_BTN_DOWN : _currentState[0] &= ~SC_BTN_DOWN;
(bitRead(_inputReg1, DB9_PIN3_BIT1) == LOW) ? _currentState[0] |= SC_BTN_LEFT : _currentState[0] &= ~SC_BTN_LEFT;
(bitRead(_inputReg1, DB9_PIN4_BIT1) == LOW) ? _currentState[0] |= SC_BTN_RIGHT : _currentState[0] &= ~SC_BTN_RIGHT;
(bitRead(_inputReg2, DB9_PIN6_BIT1) == LOW) ? _currentState[0] |= SC_BTN_B : _currentState[0] &= ~SC_BTN_B;
(bitRead(_inputReg2, DB9_PIN9_BIT1) == LOW) ? _currentState[0] |= SC_BTN_C : _currentState[0] &= ~SC_BTN_C;
}
}
else // No Mega Drive controller is connected, use SMS/Atari mode
{
// Clear current state
_currentState[0] = 0;
// Read input pins for Up, Down, Left, Right, Fire1, Fire2
if (bitRead(_inputReg1, DB9_PIN1_BIT1) == LOW) { _currentState[0] |= SC_BTN_UP; }
if (bitRead(_inputReg1, DB9_PIN2_BIT1) == LOW) { _currentState[0] |= SC_BTN_DOWN; }
if (bitRead(_inputReg1, DB9_PIN3_BIT1) == LOW) { _currentState[0] |= SC_BTN_LEFT; }
if (bitRead(_inputReg1, DB9_PIN4_BIT1) == LOW) { _currentState[0] |= SC_BTN_RIGHT; }
if (bitRead(_inputReg2, DB9_PIN6_BIT1) == LOW) { _currentState[0] |= SC_BTN_A; }
if (bitRead(_inputReg2, DB9_PIN9_BIT1) == LOW) { _currentState[0] |= SC_BTN_B; }
}
}
else // Select pin is LOW
{
// Check if a controller is connected
_connected[0] = (bitRead(_inputReg1, DB9_PIN3_BIT1) == LOW && bitRead(_inputReg1, DB9_PIN4_BIT1) == LOW);
// Check for six button mode
_sixButtonMode[0] = (bitRead(_inputReg1, DB9_PIN1_BIT1) == LOW && bitRead(_inputReg1, DB9_PIN2_BIT1) == LOW);
// Read input pins for A and Start
if(_connected[0])
{
if(!_sixButtonMode[0])
{
(bitRead(_inputReg2, DB9_PIN6_BIT1) == LOW) ? _currentState[0] |= SC_BTN_A : _currentState[0] &= ~SC_BTN_A;
(bitRead(_inputReg2, DB9_PIN9_BIT1) == LOW) ? _currentState[0] |= SC_BTN_START : _currentState[0] &= ~SC_BTN_START;
}
}
}
}
else
{
_ignoreCycles[0]--;
}
return _currentState[0];
}
word SegaControllers32U4::getStateMD2()
{
// Set the select pin low/high
_pinSelect[1] = !_pinSelect[1];
(!_pinSelect[1]) ? PORTC &= ~B01000000 : PORTC |= B01000000; // Set LOW on even cycle, HIGH on uneven cycle
// Short delay to stabilise outputs in controller
delayMicroseconds(SC_CYCLE_DELAY);
// Read input register(s)
_inputReg3 = PIND;
if(_ignoreCycles[1] <= 0)
{
if(_pinSelect[1]) // Select pin is HIGH
{
if(_connected[1])
{
// Check if six button mode is active
if(_sixButtonMode[1])
{
// Read input pins for X, Y, Z, Mode
(bitRead(_inputReg3, DB9_PIN1_BIT2) == LOW) ? _currentState[1] |= SC_BTN_Z : _currentState[1] &= ~SC_BTN_Z;
(bitRead(_inputReg3, DB9_PIN2_BIT2) == LOW) ? _currentState[1] |= SC_BTN_Y : _currentState[1] &= ~SC_BTN_Y;
(bitRead(_inputReg3, DB9_PIN3_BIT2) == LOW) ? _currentState[1] |= SC_BTN_X : _currentState[1] &= ~SC_BTN_X;
(bitRead(_inputReg3, DB9_PIN4_BIT2) == LOW) ? _currentState[1] |= SC_BTN_MODE : _currentState[1] &= ~SC_BTN_MODE;
_sixButtonMode[1] = false;
_ignoreCycles[1] = 2; // Ignore the two next cycles (cycles 6 and 7 in table above)
}
else
{
// Read input pins for Up, Down, Left, Right, B, C
(bitRead(_inputReg3, DB9_PIN1_BIT2) == LOW) ? _currentState[1] |= SC_BTN_UP : _currentState[1] &= ~SC_BTN_UP;
(bitRead(_inputReg3, DB9_PIN2_BIT2) == LOW) ? _currentState[1] |= SC_BTN_DOWN : _currentState[1] &= ~SC_BTN_DOWN;
(bitRead(_inputReg3, DB9_PIN3_BIT2) == LOW) ? _currentState[1] |= SC_BTN_LEFT : _currentState[1] &= ~SC_BTN_LEFT;
(bitRead(_inputReg3, DB9_PIN4_BIT2) == LOW) ? _currentState[1] |= SC_BTN_RIGHT : _currentState[1] &= ~SC_BTN_RIGHT;
(bitRead(_inputReg3, DB9_PIN6_BIT2) == LOW) ? _currentState[1] |= SC_BTN_B : _currentState[1] &= ~SC_BTN_B;
(bitRead(_inputReg3, DB9_PIN9_BIT2) == LOW) ? _currentState[1] |= SC_BTN_C : _currentState[1] &= ~SC_BTN_C;
}
}
else // No Mega Drive controller is connected, use SMS/Atari mode
{
// Clear current state
_currentState[1] = 0;
// Read input pins for Up, Down, Left, Right, Fire1, Fire2
if (bitRead(_inputReg3, DB9_PIN1_BIT2) == LOW) { _currentState[1] |= SC_BTN_UP; }
if (bitRead(_inputReg3, DB9_PIN2_BIT2) == LOW) { _currentState[1] |= SC_BTN_DOWN; }
if (bitRead(_inputReg3, DB9_PIN3_BIT2) == LOW) { _currentState[1] |= SC_BTN_LEFT; }
if (bitRead(_inputReg3, DB9_PIN4_BIT2) == LOW) { _currentState[1] |= SC_BTN_RIGHT; }
if (bitRead(_inputReg3, DB9_PIN6_BIT2) == LOW) { _currentState[1] |= SC_BTN_A; }
if (bitRead(_inputReg3, DB9_PIN9_BIT2) == LOW) { _currentState[1] |= SC_BTN_B; }
}
}
else // Select pin is LOW
{
// Check if a controller is connected
_connected[1] = (bitRead(_inputReg3, DB9_PIN3_BIT2) == LOW && bitRead(_inputReg3, DB9_PIN4_BIT2) == LOW);
// Check for six button mode
_sixButtonMode[1] = (bitRead(_inputReg3, DB9_PIN1_BIT2) == LOW && bitRead(_inputReg3, DB9_PIN2_BIT2) == LOW);
// Read input pins for A and Start
if(_connected[1])
{
if(!_sixButtonMode[1])
{
(bitRead(_inputReg3, DB9_PIN6_BIT2) == LOW) ? _currentState[1] |= SC_BTN_A : _currentState[1] &= ~SC_BTN_A;
(bitRead(_inputReg3, DB9_PIN9_BIT2) == LOW) ? _currentState[1] |= SC_BTN_START : _currentState[1] &= ~SC_BTN_START;
}
}
}
}
else
{
_ignoreCycles[1]--;
}
return _currentState[1];
}

88
SegaTwoControllersUSB/SegaControllers32U4.h

@ -0,0 +1,88 @@ @@ -0,0 +1,88 @@
//
// SegaControllers32U4.h
//
// Authors:
// Jon Thysell <thysell@gmail.com>
// Mikael Norrgård <mick@daemonbite.com>
//
// Copyright (c) 2017 Jon Thysell <http://jonthysell.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#ifndef SegaController32U4_h
#define SegaController32U4_h
enum
{
SC_CTL_ON = 1, // The controller is connected (not used)
SC_BTN_UP = 2,
SC_BTN_DOWN = 4,
SC_BTN_LEFT = 8,
SC_BTN_RIGHT = 16,
SC_BTN_A = 32,
SC_BTN_B = 64,
SC_BTN_C = 128,
SC_BTN_X = 256,
SC_BTN_Y = 512,
SC_BTN_Z = 1024,
SC_BTN_START = 2048,
SC_BTN_MODE = 4096,
SC_BTN_1 = 64, // Master System compatibility
SC_BTN_2 = 128, // Master System compatibility
DB9_PIN1_BIT1 = 7,
DB9_PIN2_BIT1 = 6,
DB9_PIN3_BIT1 = 5,
DB9_PIN4_BIT1 = 4,
DB9_PIN6_BIT1 = 3,
DB9_PIN9_BIT1 = 1,
DB9_PIN1_BIT2 = 3,
DB9_PIN2_BIT2 = 2,
DB9_PIN3_BIT2 = 1,
DB9_PIN4_BIT2 = 0,
DB9_PIN6_BIT2 = 4,
DB9_PIN9_BIT2 = 7
};
const byte SC_INPUT_PINS = 6;
const byte SC_CYCLE_DELAY = 10; // Delay (µs) between setting the select pin and reading the button pins
class SegaControllers32U4 {
public:
SegaControllers32U4(void);
word getStateMD1();
word getStateMD2();
private:
word _currentState[2];
boolean _pinSelect[2];
byte _ignoreCycles[2];
boolean _connected[2];
boolean _sixButtonMode[2];
byte _inputReg1;
byte _inputReg2;
byte _inputReg3;
};
#endif

93
SegaTwoControllersUSB/SegaTwoControllersUSB.ino

@ -0,0 +1,93 @@ @@ -0,0 +1,93 @@
/* DaemonBite Sega USB Adapter
* Author: Mikael Norrgård <mick@daemonbite.com>
*
* 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/>.
*
*/
// 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
#include "SegaControllers32U4.h"
#include "Gamepad.h"
// Controller DB9 pins (looking face-on to the end of the plug):
//
// 5 4 3 2 1
// 9 8 7 6
//
// Connect pin 5 to +5V and pin 8 to GND
// Connect the remaining pins to digital I/O pins (see below)
// DB9 Arduino Pro Micro
// --------------------------------------
// 1 A0 PF7
// 2 A1 PF6
// 3 A2 PF5
// 4 A3 PF4
// 6 14 PB3
// 7 16 PB2 (6 PD7)
// 9 15 PB1
// 1 TXO PD3
// 2 RXI PD2
// 3 2 PD1
// 4 3 PD0
// 6 4 PD4
// 7 5 PC6
// 9 6 PD7
SegaControllers32U4 controllers;
// Set up USB HID gamepads
Gamepad_ Gamepad[2];
bool usbUpdate[2] = {false,false}; // Should gamepad data be sent to USB?
// Controller states
word currentState[2] = {0,0};
word lastState[2] = {1,1};
void setup()
{
Gamepad[0].reset();
Gamepad[1].reset();
}
void loop()
{
currentState[0] = controllers.getStateMD1();
sendState(0);
currentState[1] = controllers.getStateMD2();
sendState(1);
}
void sendState(byte gp)
{
// Only report controller state if it has changed
if (currentState[gp] != lastState[gp])
{
Gamepad[gp]._GamepadReport.buttons = currentState[gp] >> 5;
Gamepad[gp]._GamepadReport.Y = ((currentState[gp] & B00000100) >> 2) - ((currentState[gp] & B00000010) >> 1);
Gamepad[gp]._GamepadReport.X = ((currentState[gp] & B00010000) >> 4) - ((currentState[gp] & B00001000) >> 3);
Gamepad[gp].send();
lastState[gp] = currentState[gp];
}
}
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