Macintosh-HW/BlueSCSI
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ztto 2019-04-19 00:35:45 +09:00
parent 89b0d9305f
commit bcca8d66e1
5 changed files with 116 additions and 106 deletions
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222
ArdSCSino.ino
View File

@ -2,18 +2,17 @@
* SCSI-HDデバイスエミュレータ * SCSI-HDデバイスエミュレータ
*/ */
#include <SPI.h> #include <SPI.h>
#include <SdFat.h> #include "SdFat.h"
//ENABLE_EXTENDED_TRANSFER_CLASSを1に設定する //ENABLE_EXTENDED_TRANSFER_CLASSを1に設定する
//libraries/SdFat/SdFatConfig.h //libraries/SdFat/SdFatConfig.h
SPIClass SPI_2(2); SPIClass SPI_1(1);
//SdFat SD(2); SdFatEX SD(&SPI_1);
SdFatEX SD(&SPI_2);
//#define SPI_SPEED SD_SCK_MHZ(18) #define LOG(XX) //Serial.print(XX)
#define LOGHEX(XX) //Serial.print(XX, HEX)
#define LOG(XX) //Serial.println(XX) #define LOGN(XX) //Serial.println(XX)
#define LOGHEX(XX) //Serial.println(XX, HEX) #define LOGHEXN(XX) //Serial.println(XX, HEX)
#define high 0 #define high 0
#define low 1 #define low 1
@ -25,27 +24,27 @@ SdFatEX SD(&SPI_2);
#define gpio_write(pin,val) gpio_write_bit(PIN_MAP[pin].gpio_device, PIN_MAP[pin].gpio_bit, val) #define gpio_write(pin,val) gpio_write_bit(PIN_MAP[pin].gpio_device, PIN_MAP[pin].gpio_bit, val)
#define gpio_read(pin) gpio_read_bit(PIN_MAP[pin].gpio_device, PIN_MAP[pin].gpio_bit) #define gpio_read(pin) gpio_read_bit(PIN_MAP[pin].gpio_device, PIN_MAP[pin].gpio_bit)
//#define DB0 PA0 // SCSI:DB0 //#define DB0 PB8 // SCSI:DB0
//#define DB1 PA1 // SCSI:DB1 //#define DB1 PB9 // SCSI:DB1
//#define DB2 PA2 // SCSI:DB2 //#define DB2 PB10 // SCSI:DB2
//#define DB3 PA3 // SCSI:DB3 //#define DB3 PB11 // SCSI:DB3
//#define DB4 PA4 // SCSI:DB4 //#define DB4 PB12 // SCSI:DB4
//#define DB5 PA5 // SCSI:DB5 //#define DB5 PB13 // SCSI:DB5
//#define DB6 PA6 // SCSI:DB6 //#define DB6 PB14 // SCSI:DB6
//#define DB7 PA7 // SCSI:DB7 //#define DB7 PB15 // SCSI:DB7
//#define DBP PA8 // SCSI:DBP //#define DBP PB0 // SCSI:DBP
#define ATN PB0 // SCSI:ATN #define ATN PA8 // SCSI:ATN
#define BSY PB1 // SCSI:BSY #define BSY PA9 // SCSI:BSY
#define ACK PB10 // SCSI:ACK #define ACK PA10 // SCSI:ACK
#define RST PB11 // SCSI:RST #define RST PA15 // SCSI:RST
#define MSG PB5 // SCSI:MSG #define MSG PB3 // SCSI:MSG
#define SEL PB6 // SCSI:SEL #define SEL PB4 // SCSI:SEL
#define CD PB7 // SCSI:C/D #define CD PB5 // SCSI:C/D
#define REQ PB8 // SCSI:REQ #define REQ PB6 // SCSI:REQ
#define IO PB9 // SCSI:I/O #define IO PB7 // SCSI:I/O
#define SD_CS PB12 // SDCARD:CS #define SD_CS PA4 // SDCARD:CS
#define LED PC13 // LED #define LED PC13 // LED
#define SCSIID 0 // SCSI-ID #define SCSIID 0 // SCSI-ID
@ -67,18 +66,23 @@ bool m_msb[256];
*/ */
inline byte readIO(void) inline byte readIO(void)
{ {
//GPIO(SCSI BUS)初期化
//ポート設定レジスタ（下位）
// GPIOB->regs->CRL |= 0x000000008; // SET INPUT W/ PUPD on PAB-PB0
//ポート設定レジスタ（上位）
GPIOB->regs->CRH = 0x88888888; // SET INPUT W/ PUPD on PB15-PB8
// GPIOB->regs->ODR = 0x0000FF00; // SET PULL-UPs on PB15-PB8
//ポート入力データレジスタ
uint32 ret = GPIOB->regs->IDR;
byte bret = 0x00; byte bret = 0x00;
bret |= (!(ret & (1<<15))) << 7;
GPIOA->regs->CRL = 0x88888888; // Configure GPIOA[7:0] bret |= (!(ret & (1<<14))) << 6;
uint32 ret = GPIOA->regs->IDR; bret |= (!(ret & (1<<13))) << 5;
bret |= ((!bitRead(ret,7)) << 7); bret |= (!(ret & (1<<12))) << 4;
bret |= ((!bitRead(ret,6)) << 6); bret |= (!(ret & (1<<11))) << 3;
bret |= ((!bitRead(ret,5)) << 5); bret |= (!(ret & (1<<10))) << 2;
bret |= ((!bitRead(ret,4)) << 4); bret |= (!(ret & (1<<9))) << 1;
bret |= ((!bitRead(ret,3)) << 3); bret |= (!(ret & (1<<8))) << 0;
bret |= ((!bitRead(ret,2)) << 2);
bret |= ((!bitRead(ret,1)) << 1);
bret |= ((!bitRead(ret,0)) << 0);
return bret; return bret;
} }
@ -87,61 +91,63 @@ inline byte readIO(void)
*/ */
inline void writeIO(byte v) inline void writeIO(byte v)
{ {
// GPIOA->regs->CRL = 0x11111111; // Configure GPIOA PP[7:0]10MHz //GPIO(SCSI BUS)初期化
GPIOA->regs->CRL = 0x33333333; // Configure GPIOA PP[7:0]50MHz //ポート設定レジスタ（下位）
GPIOA->regs->CRH = 0x00000003; // Configure GPIOA PP[16:8]50MHz GPIOB->regs->CRL |= 0x00000003; // SET OUTPUT W/ PUPD on PA7-PB0 50MHz
//ポート設定レジスタ（上位）
GPIOB->regs->CRH = 0x33333333; // SET OUTPUT W/ PUPD on PB15-PB8 50MHz
// GPIOB->regs->ODR != 0x0000FF00; // SET PULL-UPs on PB15-PB8
uint32 retL = 0x00; uint32 retL = 0x00;
uint32 retH = 0x00; uint32 retH = 0x00;
if(!parity(v)) { if(!parity(v)) {
bitWrite(retL, 8, 1); retL |= (1<<0);
} else { } else {
bitWrite(retH, 8, 1); retH |= (1<<0);
} }
if(v & ( 1 << 7 )) { if(v & ( 1 << 7 )) {
bitWrite(retL, 7, 1); retL |= (1<<15);
} else { } else {
bitWrite(retH, 7, 1); retH |= (1<<15);
} }
if(v & ( 1 << 6 )) { if(v & ( 1 << 6 )) {
bitWrite(retL, 6, 1); retL |= (1<<14);
} else { } else {
bitWrite(retH, 6, 1); retH |= (1<<14);
} }
if(v & ( 1 << 5 )) { if(v & ( 1 << 5 )) {
bitWrite(retL, 5, 1); retL |= (1<<13);
} else { } else {
bitWrite(retH, 5, 1); retH |= (1<<13);
} }
if(v & ( 1 << 4 )) { if(v & ( 1 << 4 )) {
bitWrite(retL, 4, 1); retL |= (1<<12);
} else { } else {
bitWrite(retH, 4, 1); retH |= (1<<12);
} }
if(v & ( 1 << 3 )) { if(v & ( 1 << 3 )) {
bitWrite(retL, 3, 1); retL |= (1<<11);
} else { } else {
bitWrite(retH, 3, 1); retH |= (1<<11);
} }
if(v & ( 1 << 2 )) { if(v & ( 1 << 2 )) {
bitWrite(retL, 2, 1); retL |= (1<<10);
} else { } else {
bitWrite(retH, 2, 1); retH |= (1<<10);
} }
if(v & ( 1 << 1 )) { if(v & ( 1 << 1 )) {
bitWrite(retL, 1, 1); retL |= (1<<9);
} else { } else {
bitWrite(retH, 1, 1); retH |= (1<<9);
} }
if(v & ( 1 << 0 )) { if(v & ( 1 << 0 )) {
bitWrite(retL, 0, 1); retL |= (1<<8);
} else { } else {
bitWrite(retH, 0, 1); retH |= (1<<8);
} }
//ビットがLOWに設定される //ビットがLOWに設定される
GPIOA->regs->BRR = retL ; GPIOB->regs->BRR = retL ;
// ビットがHIGHに設定される // ビットがHIGHに設定される
GPIOA->regs->BSRR = retH ; GPIOB->regs->BSRR = retH ;
} }
/* /*
@ -166,19 +172,22 @@ void setup()
{ {
// PA15 / PB3 / PB4 が使えない // PA15 / PB3 / PB4 が使えない
// JTAG デバッグ用に使われているからです。 // JTAG デバッグ用に使われているからです。
// disableDebugPorts(); disableDebugPorts();
// afio_cfg_debug_ports(AFIO_DEBUG_NONE);
//シリアル初期化 //シリアル初期化
Serial.begin(9600); //Serial.begin(9600);
while (!Serial); //while (!Serial);
//PINの初期化 //PINの初期化
gpio_mode(LED, GPIO_OUTPUT_OD); gpio_mode(LED, GPIO_OUTPUT_OD);
gpio_write(LED, low); gpio_write(LED, low);
//GPIO(SCSI BUS)初期化 //GPIO(SCSI BUS)初期化
GPIOA->regs->CRL = 0x888888888; // Configure GPIOA[8:0] //ポート設定レジスタ（下位）
// GPIOB->regs->CRL |= 0x000000008; // SET INPUT W/ PUPD on PAB-PB0
//ポート設定レジスタ（上位）
GPIOB->regs->CRH = 0x88888888; // SET INPUT W/ PUPD on PB15-PB8
// GPIOB->regs->ODR = 0x0000FF00; // SET PULL-UPs on PB15-PB8
gpio_mode(ATN, GPIO_INPUT_PU); gpio_mode(ATN, GPIO_INPUT_PU);
gpio_mode(BSY, GPIO_INPUT_PU); gpio_mode(BSY, GPIO_INPUT_PU);
@ -204,7 +213,7 @@ void setup()
onFalseInit(); onFalseInit();
} }
//HDイメージファイル //HDイメージファイル
m_file = SD.open(HDIMG_FILE, O_READ | O_WRITE); m_file = SD.open(HDIMG_FILE, O_RDWR);
if(!m_file) { if(!m_file) {
Serial.println("Error: open hdimg"); Serial.println("Error: open hdimg");
onFalseInit(); onFalseInit();
@ -240,7 +249,7 @@ void onBusReset(void)
if(isHigh(gpio_read(RST))) { if(isHigh(gpio_read(RST))) {
delayMicroseconds(20); delayMicroseconds(20);
if(isHigh(gpio_read(RST))) { if(isHigh(gpio_read(RST))) {
LOG("BusReset!"); LOGN("BusReset!");
m_isBusReset = true; m_isBusReset = true;
} }
} }
@ -293,7 +302,7 @@ void writeHandshake(byte d)
*/ */
void writeDataPhase(int len, byte* p) void writeDataPhase(int len, byte* p)
{ {
LOG("DATAIN PHASE"); LOGN("DATAIN PHASE");
gpio_write(MSG, low); gpio_write(MSG, low);
gpio_write(CD, low); gpio_write(CD, low);
gpio_write(IO, high); gpio_write(IO, high);
@ -311,7 +320,7 @@ void writeDataPhase(int len, byte* p)
*/ */
void writeDataPhaseSD(uint32_t adds, uint32_t len) void writeDataPhaseSD(uint32_t adds, uint32_t len)
{ {
LOG("DATAIN PHASE(SD)"); LOGN("DATAIN PHASE(SD)");
uint32_t pos = adds * BLOCKSIZE; uint32_t pos = adds * BLOCKSIZE;
m_file.seek(pos); m_file.seek(pos);
gpio_write(MSG, low); gpio_write(MSG, low);
@ -334,7 +343,7 @@ void writeDataPhaseSD(uint32_t adds, uint32_t len)
*/ */
void readDataPhaseSD(uint32_t adds, uint32_t len) void readDataPhaseSD(uint32_t adds, uint32_t len)
{ {
LOG("DATAOUT PHASE(SD)"); LOGN("DATAOUT PHASE(SD)");
uint32_t pos = adds * BLOCKSIZE; uint32_t pos = adds * BLOCKSIZE;
m_file.seek(pos); m_file.seek(pos);
gpio_write(MSG, low); gpio_write(MSG, low);
@ -409,9 +418,9 @@ void onReadCapacityCommand(byte pmi)
*/ */
byte onReadCommand(uint32_t adds, uint32_t len) byte onReadCommand(uint32_t adds, uint32_t len)
{ {
LOG("-R"); LOGN("-R");
LOGHEX(adds); LOGHEXN(adds);
LOGHEX(len); LOGHEXN(len);
gpio_write(LED, high); gpio_write(LED, high);
writeDataPhaseSD(adds, len); writeDataPhaseSD(adds, len);
gpio_write(LED, low); gpio_write(LED, low);
@ -423,9 +432,9 @@ byte onReadCommand(uint32_t adds, uint32_t len)
*/ */
byte onWriteCommand(uint32_t adds, uint32_t len) byte onWriteCommand(uint32_t adds, uint32_t len)
{ {
LOG("-W"); LOGN("-W");
LOGHEX(adds); LOGHEXN(adds);
LOGHEX(len); LOGHEXN(len);
gpio_write(LED, high); gpio_write(LED, high);
readDataPhaseSD(adds, len); readDataPhaseSD(adds, len);
gpio_write(LED, low); gpio_write(LED, low);
@ -488,7 +497,7 @@ void onModeSenseCommand(byte dbd, int pageCode, uint32_t len)
*/ */
void MsgIn2(int msg) void MsgIn2(int msg)
{ {
LOG("MsgIn2"); LOGN("MsgIn2");
gpio_write(MSG, high); gpio_write(MSG, high);
gpio_write(CD, high); gpio_write(CD, high);
gpio_write(IO, high); gpio_write(IO, high);
@ -500,7 +509,7 @@ void MsgIn2(int msg)
*/ */
void MsgOut2() void MsgOut2()
{ {
LOG("MsgOut2"); LOGN("MsgOut2");
gpio_write(MSG, high); gpio_write(MSG, high);
gpio_write(CD, high); gpio_write(CD, high);
gpio_write(IO, low); gpio_write(IO, low);
@ -533,7 +542,7 @@ void loop()
return; return;
} }
LOG("Selection"); LOGN("Selection");
m_isBusReset = false; m_isBusReset = false;
// セレクトされたらBSYを-にする // セレクトされたらBSYを-にする
gpio_mode(BSY, GPIO_OUTPUT_PP); gpio_mode(BSY, GPIO_OUTPUT_PP);
@ -593,7 +602,7 @@ void loop()
} }
} }
LOG("Command"); LOGN("Command");
gpio_write(MSG, low); gpio_write(MSG, low);
gpio_write(CD, high); gpio_write(CD, high);
gpio_write(IO, low); gpio_write(IO, low);
@ -622,73 +631,74 @@ void loop()
cmd[i] = readHandshake(); cmd[i] = readHandshake();
LOGHEX(cmd[i]); LOGHEX(cmd[i]);
} }
LOGN("");
switch(cmd[0]) { switch(cmd[0]) {
case 0x00: case 0x00:
LOG("[Test Unit]"); LOGN("[Test Unit]");
break; break;
case 0x01: case 0x01:
LOG("[Rezero Unit]"); LOGN("[Rezero Unit]");
break; break;
case 0x03: case 0x03:
LOG("[RequestSense]"); LOGN("[RequestSense]");
onRequestSenseCommand(cmd[4]); onRequestSenseCommand(cmd[4]);
break; break;
case 0x04: case 0x04:
LOG("[FormatUnit]"); LOGN("[FormatUnit]");
break; break;
case 0x06: case 0x06:
LOG("[FormatUnit]"); LOGN("[FormatUnit]");
break; break;
case 0x07: case 0x07:
LOG("[ReassignBlocks]"); LOGN("[ReassignBlocks]");
break; break;
case 0x08: case 0x08:
LOG("[Read6]"); LOGN("[Read6]");
sts = onReadCommand((((uint32_t)cmd[1] & 0x1F) << 16) | ((uint32_t)cmd[2] << 8) | cmd[3], (cmd[4] == 0) ? 0x100 : cmd[4]); sts = onReadCommand((((uint32_t)cmd[1] & 0x1F) << 16) | ((uint32_t)cmd[2] << 8) | cmd[3], (cmd[4] == 0) ? 0x100 : cmd[4]);
break; break;
case 0x0A: case 0x0A:
LOG("[Write6]"); LOGN("[Write6]");
sts = onWriteCommand((((uint32_t)cmd[1] & 0x1F) << 16) | ((uint32_t)cmd[2] << 8) | cmd[3], (cmd[4] == 0) ? 0x100 : cmd[4]); sts = onWriteCommand((((uint32_t)cmd[1] & 0x1F) << 16) | ((uint32_t)cmd[2] << 8) | cmd[3], (cmd[4] == 0) ? 0x100 : cmd[4]);
break; break;
case 0x0B: case 0x0B:
LOG("[Seek6]"); LOGN("[Seek6]");
break; break;
case 0x12: case 0x12:
LOG("[Inquiry]"); LOGN("[Inquiry]");
onInquiryCommand(cmd[4]); onInquiryCommand(cmd[4]);
break; break;
case 0x1A: case 0x1A:
LOG("[ModeSense6]"); LOGN("[ModeSense6]");
onModeSenseCommand(cmd[1]&0x80, cmd[2] & 0x3F, cmd[4]); onModeSenseCommand(cmd[1]&0x80, cmd[2] & 0x3F, cmd[4]);
break; break;
case 0x1B: case 0x1B:
LOG("[StartStopUnit]"); LOGN("[StartStopUnit]");
break; break;
case 0x1E: case 0x1E:
LOG("[PreAllowMed.Removal]"); LOGN("[PreAllowMed.Removal]");
break; break;
case 0x25: case 0x25:
LOG("[ReadCapacity]"); LOGN("[ReadCapacity]");
onReadCapacityCommand(cmd[8]); onReadCapacityCommand(cmd[8]);
break; break;
case 0x28: case 0x28:
LOG("[Read10]"); LOGN("[Read10]");
sts = onReadCommand(((uint32_t)cmd[2] << 24) | ((uint32_t)cmd[3] << 16) | ((uint32_t)cmd[4] << 8) | cmd[5], ((uint32_t)cmd[7] << 8) | cmd[8]); sts = onReadCommand(((uint32_t)cmd[2] << 24) | ((uint32_t)cmd[3] << 16) | ((uint32_t)cmd[4] << 8) | cmd[5], ((uint32_t)cmd[7] << 8) | cmd[8]);
break; break;
case 0x2A: case 0x2A:
LOG("[Write10]"); LOGN("[Write10]");
sts = onWriteCommand(((uint32_t)cmd[2] << 24) | ((uint32_t)cmd[3] << 16) | ((uint32_t)cmd[4] << 8) | cmd[5], ((uint32_t)cmd[7] << 8) | cmd[8]); sts = onWriteCommand(((uint32_t)cmd[2] << 24) | ((uint32_t)cmd[3] << 16) | ((uint32_t)cmd[4] << 8) | cmd[5], ((uint32_t)cmd[7] << 8) | cmd[8]);
break; break;
case 0x2B: case 0x2B:
LOG("[Seek10]"); LOGN("[Seek10]");
break; break;
case 0x5A: case 0x5A:
LOG("[ModeSense10]"); LOGN("[ModeSense10]");
onModeSenseCommand(cmd[1] & 0x80, cmd[2] & 0x3F, ((uint32_t)cmd[7] << 8) | cmd[8]); onModeSenseCommand(cmd[1] & 0x80, cmd[2] & 0x3F, ((uint32_t)cmd[7] << 8) | cmd[8]);
break; break;
default: default:
LOG("[*Unknown]"); LOGN("[*Unknown]");
sts = 2; sts = 2;
m_senseKey = 5; m_senseKey = 5;
break; break;
@ -697,7 +707,7 @@ void loop()
goto BusFree; goto BusFree;
} }
LOG("Sts"); LOGN("Sts");
gpio_write(MSG, low); gpio_write(MSG, low);
gpio_write(CD, high); gpio_write(CD, high);
gpio_write(IO, high); gpio_write(IO, high);
@ -706,14 +716,14 @@ void loop()
goto BusFree; goto BusFree;
} }
LOG("MsgIn"); LOGN("MsgIn");
gpio_write(MSG, high); gpio_write(MSG, high);
gpio_write(CD, high); gpio_write(CD, high);
gpio_write(IO, high); gpio_write(IO, high);
writeHandshake(msg); writeHandshake(msg);
BusFree: BusFree:
LOG("BusFree"); LOGN("BusFree");
m_isBusReset = false; m_isBusReset = false;
gpio_write(REQ, low); gpio_write(REQ, low);
gpio_write(MSG, low); gpio_write(MSG, low);

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