mirror of
https://github.com/MickGyver/DaemonBite-Retro-Controllers-USB
synced 2024-11-15 05:45:03 -05:00
86 lines
2.3 KiB
Arduino
86 lines
2.3 KiB
Arduino
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/* DaemonBite Sega USB Adapter
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* Author: Mikael Norrgård <mick@daemonbite.com>
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*
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* Copyright (c) 2020 Mikael Norrgård <http://daemonbite.com>
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*
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* GNU GENERAL PUBLIC LICENSE
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* Version 3, 29 June 2007
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include "SegaController32U4.h"
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#include "Gamepad.h"
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// Controller DB9 pins (looking face-on to the end of the plug):
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//
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// 5 4 3 2 1
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// 9 8 7 6
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//
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// Connect pin 5 to +5V and pin 8 to GND
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// Connect the remaining pins to digital I/O pins (see below)
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// DB9 Arduino Pro Micro
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// --------------------------------------
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// 1 A0 PF7
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// 2 A1 PF6
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// 3 A2 PF5
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// 4 A3 PF4
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// 6 14 PB3
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// 7 6 PD7
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// 9 15 PB1
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//
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// Connect a slide switch to pins GND,GND and 2
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SegaController32U4 controller;
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// Set up USB HID gamepad
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Gamepad_ Gamepad;
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bool usbUpdate = false; // Should gamepad data be sent to USB?
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// Controller states
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word currentState = 0;
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word lastState = 1;
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void setup()
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{
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// Setup switch pin (2, PD1)
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DDRD &= ~B00000010; // input
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PORTD |= B00000010; // high to enable internal pull-up
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Gamepad.begin(1);
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}
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void loop()
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{
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if(PIND & B00000010)
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currentState = controller.getStateMD();
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else
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currentState = controller.getStateSMS();
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sendState();
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}
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void sendState()
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{
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// Only report controller state if it has changed
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if (currentState != lastState)
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{
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Gamepad._GamepadReport.buttons = currentState >> 5;
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Gamepad._GamepadReport.Y = ((currentState & B00000100) >> 2) - ((currentState & B00000010) >> 1);
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Gamepad._GamepadReport.X = ((currentState & B00010000) >> 4) - ((currentState & B00001000) >> 3);
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Gamepad.send();
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lastState = currentState;
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}
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}
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