DaemonBite-Retro-Controller.../SegaTwoControllersUSB/SegaTwoControllersUSB.ino

88 lines
2.3 KiB
C++

/* 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/>.
*
*/
#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 6 PD7
// 9 15 PB1
// 1 TXO PD3
// 2 RXI PD2
// 3 2 PD1
// 4 3 PD0
// 6 4 PD4
// 7 5 PC6
// 9 7 PE6
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];
}
}