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https://github.com/akuker/RASCSI.git
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66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
//---------------------------------------------------------------------------
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//
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// SCSI Target Emulator PiSCSI
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// for Raspberry Pi
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//
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// Copyright (C) 2022 akuker
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//
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//---------------------------------------------------------------------------
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#include <cstdint>
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#pragma once
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// Virtual functions that must be implemented by the derived gpiobus classes
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// to control the GPIO pins
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class PinControl
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{
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public:
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virtual bool GetBSY() const = 0;
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virtual void SetBSY(bool ast) = 0;
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virtual bool GetSEL() const = 0;
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virtual void SetSEL(bool ast) = 0;
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virtual bool GetATN() const = 0;
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virtual void SetATN(bool ast) = 0;
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virtual bool GetACK() const = 0;
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virtual void SetACK(bool ast) = 0;
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virtual bool GetRST() const = 0;
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virtual void SetRST(bool ast) = 0;
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virtual bool GetMSG() const = 0;
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virtual void SetMSG(bool ast) = 0;
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virtual bool GetCD() const = 0;
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virtual void SetCD(bool ast) = 0;
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virtual bool GetIO() = 0;
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virtual void SetIO(bool ast) = 0;
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virtual bool GetREQ() const = 0;
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virtual void SetREQ(bool ast) = 0;
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virtual bool GetACT() const = 0;
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virtual void SetACT(bool ast) = 0;
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virtual uint8_t GetDAT() = 0;
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virtual void SetDAT(uint8_t dat) = 0;
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// Set ENB signal
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virtual void SetENB(bool ast) = 0;
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// GPIO pin direction setting
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virtual void PinConfig(int pin, int mode) = 0;
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// GPIO pin pull up/down resistor setting
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virtual void PullConfig(int pin, int mode) = 0;
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virtual void SetControl(int pin, bool ast) = 0;
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virtual void SetMode(int pin, int mode) = 0;
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PinControl() = default;
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virtual ~PinControl() = default;
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};
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