mirror of https://github.com/akuker/RASCSI.git
88 lines
3.4 KiB
C++
88 lines
3.4 KiB
C++
//---------------------------------------------------------------------------
|
|
//
|
|
// SCSI Target Emulator PiSCSI
|
|
// for Raspberry Pi
|
|
//
|
|
// Powered by XM6 TypeG Technology.
|
|
// Copyright (C) 2016-2020 GIMONS
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
#pragma once
|
|
|
|
#include "hal/pi_defs/bpi-m2p.h"
|
|
#include <string>
|
|
|
|
//
|
|
// PiSCSI standard (SCSI logic, standard pin assignment)
|
|
//
|
|
|
|
const std::string CONNECT_DESC = "FULLSPEC"; // Startup message
|
|
|
|
// Select signal control mode
|
|
const static int SIGNAL_CONTROL_MODE = 0; // SCSI logical specification
|
|
|
|
// Control signal pin assignment (-1 means no control)
|
|
const static int PIN_ACT = 4; // ACTIVE
|
|
const static int PIN_ENB = 5; // ENABLE
|
|
const static int PIN_IND = 6; // INITIATOR CTRL DIRECTION
|
|
const static int PIN_TAD = 7; // TARGET CTRL DIRECTION
|
|
const static int PIN_DTD = 8; // DATA DIRECTION
|
|
|
|
// 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 ON // DATA SIGNAL INPUT
|
|
|
|
// SCSI signal pin assignment
|
|
const static int PIN_DT0 = 10; // Data 0
|
|
const static int PIN_DT1 = 11; // Data 1
|
|
const static int PIN_DT2 = 12; // Data 2
|
|
const static int PIN_DT3 = 13; // Data 3
|
|
const static int PIN_DT4 = 14; // Data 4
|
|
const static int PIN_DT5 = 15; // Data 5
|
|
const static int PIN_DT6 = 16; // Data 6
|
|
const static int PIN_DT7 = 17; // Data 7
|
|
const static int PIN_DP = 18; // Data parity
|
|
const static int PIN_ATN = 19; // ATN
|
|
const static int PIN_RST = 20; // RST
|
|
const static int PIN_ACK = 21; // ACK
|
|
const static int PIN_REQ = 22; // REQ
|
|
const static int PIN_MSG = 23; // MSG
|
|
const static int PIN_CD = 24; // CD
|
|
const static int PIN_IO = 25; // IO
|
|
const static int PIN_BSY = 26; // BSY
|
|
const static int PIN_SEL = 27; // SEL
|
|
|
|
// Warning: The Allwinner/Banana Pi GPIO numbers DO NOT correspond to
|
|
// the Raspberry Pi GPIO numbers.
|
|
// For example, Pin 7 is GPIO4 on a Raspberry Pi. Its GPIO 6 on a Banana Pi
|
|
// For Banana Pi, the pins are specified by physical pin number, NOT GPIO number
|
|
// (The Macro's convert the pin number to logical BPi GPIO number)
|
|
const static int BPI_PIN_ACT = BPI_M2P_07; // ACTIVE
|
|
const static int BPI_PIN_ENB = BPI_M2P_29; // ENABLE
|
|
const static int BPI_PIN_IND = BPI_M2P_31; // INITIATOR CTRL DIRECTION
|
|
const static int BPI_PIN_TAD = BPI_M2P_26; // TARGET CTRL DIRECTION
|
|
const static int BPI_PIN_DTD = BPI_M2P_24; // DATA DIRECTION
|
|
|
|
const static int BPI_PIN_DT0 = BPI_M2P_19; // Data 0
|
|
const static int BPI_PIN_DT1 = BPI_M2P_23; // Data 1
|
|
const static int BPI_PIN_DT2 = BPI_M2P_32; // Data 2
|
|
const static int BPI_PIN_DT3 = BPI_M2P_33; // Data 3
|
|
const static int BPI_PIN_DT4 = BPI_M2P_08; // Data 4
|
|
const static int BPI_PIN_DT5 = BPI_M2P_10; // Data 5
|
|
const static int BPI_PIN_DT6 = BPI_M2P_36; // Data 6
|
|
const static int BPI_PIN_DT7 = BPI_M2P_11; // Data 7
|
|
const static int BPI_PIN_DP = BPI_M2P_12; // Data parity
|
|
const static int BPI_PIN_ATN = BPI_M2P_35; // ATN
|
|
const static int BPI_PIN_RST = BPI_M2P_38; // RST
|
|
const static int BPI_PIN_ACK = BPI_M2P_40; // ACK
|
|
const static int BPI_PIN_REQ = BPI_M2P_15; // REQ
|
|
const static int BPI_PIN_MSG = BPI_M2P_16; // MSG
|
|
const static int BPI_PIN_CD = BPI_M2P_18; // CD
|
|
const static int BPI_PIN_IO = BPI_M2P_22; // IO
|
|
const static int BPI_PIN_BSY = BPI_M2P_37; // BSY
|
|
const static int BPI_PIN_SEL = BPI_M2P_13; // SEL
|