93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
//
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// SegaController32U4.h
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//
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// Authors:
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// Jon Thysell <thysell@gmail.com>
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// Mikael Norrgård <mick@daemonbite.com>
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//
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// Copyright (c) 2017 Jon Thysell <http://jonthysell.com>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#ifndef SegaController32U4_h
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#define SegaController32U4_h
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//#define USE_OLD_WIRING // Uncomment this line to use the old wiring with DB9 pin 6 to Arduino pin 7
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#ifdef USE_OLD_WIRING
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#define DDR_SELECT DDRD
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#define PORT_SELECT PORTD
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#define MASK_SELECT B10000000
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#else
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#define DDR_SELECT DDRE
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#define PORT_SELECT PORTE
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#define MASK_SELECT B01000000
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#endif
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enum
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{
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SC_BTN_UP = 1,
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SC_BTN_DOWN = 2,
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SC_BTN_LEFT = 4,
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SC_BTN_RIGHT = 8,
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SC_BTN_A = 16,
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SC_BTN_B = 32,
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SC_BTN_C = 64,
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SC_BTN_X = 128,
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SC_BTN_Y = 256,
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SC_BTN_Z = 512,
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SC_BTN_START = 1024,
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SC_BTN_MODE = 2048,
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SC_BTN_HOME = 4096,
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SC_BIT_SH_UP = 0,
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SC_BIT_SH_DOWN = 1,
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SC_BIT_SH_LEFT = 2,
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SC_BIT_SH_RIGHT = 3,
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DB9_PIN1_BIT = 7,
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DB9_PIN2_BIT = 6,
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DB9_PIN3_BIT = 5,
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DB9_PIN4_BIT = 4,
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DB9_PIN6_BIT = 3,
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DB9_PIN9_BIT = 1
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};
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const byte SC_CYCLE_DELAY = 10; // Delay (µs) between setting the select pin and reading the button pins
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class SegaController32U4 {
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public:
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SegaController32U4(void);
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word getStateMD();
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private:
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word _currentState;
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boolean _pinSelect;
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byte _ignoreCycles;
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boolean _connected;
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boolean _sixButtonMode;
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byte _inputReg1;
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byte _inputReg2;
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};
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#endif
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