RASCSI/cpp/hal/gpiobus_aibom.h

//---------------------------------------------------------------------------
//
//	SCSI Target Emulator RaSCSI Reloaded
//	for Raspberry Pi
//
//	Powered by XM6 TypeG Technology.
//	Copyright (C) 2016-2020 GIMONS
//
//---------------------------------------------------------------------------

#pragma once

#include <string>

//
// RaSCSI Adapter Aibom version
//

const std::string CONNECT_DESC = "AIBOM PRODUCTS version"; // Startup message

// Select signal control mode
const static int SIGNAL_CONTROL_MODE = 2; // SCSI positive logic specification

// Control signal output logic
#define ACT_ON ON  // ACTIVE SIGNAL ON
#define ENB_ON ON  // ENABLE SIGNAL ON
#define IND_IN OFF // INITIATOR SIGNAL INPUT
#define TAD_IN OFF // TARGET SIGNAL INPUT
#define DTD_IN OFF // DATA SIGNAL INPUT

// Control signal pin assignment (-1 means no control)
const static int PIN_ACT = 4;  // ACTIVE
const static int PIN_ENB = 17; // ENABLE
const static int PIN_IND = 27; // INITIATOR CTRL DIRECTION
const static int PIN_TAD = -1; // TARGET CTRL DIRECTION
const static int PIN_DTD = 18; // DATA DIRECTION

// SCSI signal pin assignment
const static int PIN_DT0 = 6;  // Data 0
const static int PIN_DT1 = 12; // Data 1
const static int PIN_DT2 = 13; // Data 2
const static int PIN_DT3 = 16; // Data 3
const static int PIN_DT4 = 19; // Data 4
const static int PIN_DT5 = 20; // Data 5
const static int PIN_DT6 = 26; // Data 6
const static int PIN_DT7 = 21; // Data 7
const static int PIN_DP  = 5;  // Data parity
const static int PIN_ATN = 22; // ATN
const static int PIN_RST = 25; // RST
const static int PIN_ACK = 10; // ACK
const static int PIN_REQ = 7;  // REQ
const static int PIN_MSG = 9;  // MSG
const static int PIN_CD  = 11; // CD
const static int PIN_IO  = 23; // IO
const static int PIN_BSY = 24; // BSY
const static int PIN_SEL = 8;  // SEL