Added support for v4.2 boards

Renamed "pbook" firmware to "v4". Original "green" boards now under "v3".
Add external LED support for v4 firmware.
Added --reset to scsi2sd-config
bootloaderhost can now reset the board.

CHANGELOG

@@ -1,7 +1,12 @@
-201404xx		3.5
+20140713		3.5
 	- Fixed several performance issues. Transfer rates up to 2.5MB/s are now
 	possible.
 	- Implemented the READ BUFFER scsi command for performance testing purposes.
+	- Added support for the new "yellow" v4.2 revision boards.
+	- Improved firmware uploading. bootloaderhost can now reset the board back
+	to the bootloader.
+	- Display firmware version in scsi2sd-config
+	- Add "--reset" parameter to scsi2sd-config
 
 20140418		3.4
 	- Critical fix for writes when using non-standard block sizes.

readme.txt

@@ -62,19 +62,34 @@ Tested with a 16GB class 10 SD card, via the commands:
 
 Compatibility
 
-Tested with Linux (current), Apple Macintosh System 7.5.3 on LC-III, and LC-475 hardware.
-
-Users have reported success on these systems:
+ Desktop systems
 
+    Mac LC-III and LC-475
     Mac II running System 6.0.8
     Mac SE/30
+    Apple IIgs using Apple II High Speed SCSI controller card (from v3.3)
+    Symbolics Lisp Machine XL1200, using 1280 byte sectors (from v3.4)
+    PDP-11/73 running RSX11M+ V4.6
+    Amiga 500+ with GVP A530
+    Atari TT030 System V 
+
+Samplers
+
     Roland JS-30 Sampler
     Akai S1000, S3200, S3000XL, MPC 2000XL, DPS 12
+        SCSI cable reversed on S3200
+        There are compatibility problems with the Akai MPC3000. It works (slowly) with the alternate Vailixi OS with multi-sector transfers disabled. 
     EMU Emulator E4X with EOS 3.00b and E6400 (classic) with Eos 4.01
     Ensoniq ASR-X, ASR-10 (from v3.4, 2GB size limit)
+        ASR-20 Requires TERMPWR jumper. 
+    Kurzweil K2000R
+        See kurzweil.com for size limits which a dependant on the OS version. Older OS versions have a 1GB limit.
+        SCSI cable reversed 
+    Casio FZ-20M
+        Requires TERMPWR jumper. The manual shows the pin25 of the DB25 connector is "not connected".
+        May require scsi2sd-config --apple flag 
+
+Other
+
     HP 16601A logic analyzer
-    Apple IIgs using Apple II High Speed SCSI controller card (from v3.3)
-	Symbolics List Machine XL1200, using 1280 byte sectors (from v3.4)
-	Fluke 9100 series
-	PDP-11/73 running RSX11M+ V4.6
-	Amiga 500+ with GVP A530
+    Fluke 9100 series 

software/SCSI2SD/pbook/pbook.cydsn/OddParityGen

@@ -1 +0,0 @@
-../../SCSI2SD.cydsn/OddParityGen/

software/SCSI2SD/pbook/pbook.cydsn/scsiTarget

@@ -1 +0,0 @@
-../../SCSI2SD.cydsn/scsiTarget/

software/SCSI2SD/src/config.c

@@ -28,6 +28,7 @@
 
 // CYDEV_EEPROM_ROW_SIZE == 16.
 static const char magic[CYDEV_EEPROM_ROW_SIZE] = "codesrc_00000002";
+static const uint16_t FIRMWARE_VERSION = 0x0350;
 
 // Config shadow RAM (copy of EEPROM)
 static Config shadow =
@@ -48,6 +49,7 @@ enum USB_ENDPOINTS
 {
 	USB_EP_OUT = 1,
 	USB_EP_IN = 2,
+	USB_EP_COMMAND = 3,
 	USB_EP_DEBUG = 4
 };
 enum USB_STATE
@@ -172,6 +174,7 @@ void configPoll()
 	if (reset)
 	{
 		USBFS_EnableOutEP(USB_EP_OUT);
+		USBFS_EnableOutEP(USB_EP_COMMAND);
 		usbInEpState = usbDebugEpState = USB_IDLE;
 	}
 
@@ -238,14 +241,31 @@ void configPoll()
 	}
 }
 
-#ifdef MM_DEBUG
 void debugPoll()
 {
 	if (!usbReady)
 	{
 		return;
 	}
-	
+
+	if(USBFS_GetEPState(USB_EP_COMMAND) == USBFS_OUT_BUFFER_FULL)
+	{
+		// The host sent us some data!
+		int byteCount = USBFS_GetEPCount(USB_EP_COMMAND);
+		USBFS_ReadOutEP(USB_EP_COMMAND, (uint8 *)&debugBuffer, byteCount);
+
+		if (byteCount >= 1 &&
+			debugBuffer[0] == 0x01)
+		{
+			// Reboot command.
+			Bootloadable_1_Load();
+		}
+
+		// Allow the host to send us another command.
+		// (assuming we didn't reboot outselves)
+		USBFS_EnableOutEP(USB_EP_COMMAND);
+	}
+
 	switch (usbDebugEpState)
 	{
 	case USB_IDLE:
@@ -265,6 +285,14 @@ void debugPoll()
 		debugBuffer[24] = scsiDev.cmdCount;
 		debugBuffer[25] = scsiDev.watchdogTick;
 
+		debugBuffer[58] = sdDev.capacity >> 24;
+		debugBuffer[59] = sdDev.capacity >> 16;
+		debugBuffer[60] = sdDev.capacity >> 8;
+		debugBuffer[61] = sdDev.capacity;
+
+		debugBuffer[62] = FIRMWARE_VERSION >> 8;
+		debugBuffer[63] = FIRMWARE_VERSION;
+
 		USBFS_LoadInEP(USB_EP_DEBUG, (uint8 *)&debugBuffer, sizeof(debugBuffer));
 		usbDebugEpState = USB_DATA_SENT;
 		break;
@@ -287,18 +315,11 @@ CY_ISR(debugTimerISR)
 	debugPoll();
 	CyExitCriticalSection(savedIntrStatus); 
 }
-#endif
 
 void debugInit()
 {
-#ifdef MM_DEBUG
 	Debug_Timer_Interrupt_StartEx(debugTimerISR);
 	Debug_Timer_Start();
-#else
-	Debug_Timer_Interrupt_Stop();
-	Debug_Timer_Stop();
-#endif
-	
 }
 
 // Public method for storing MODE SELECT results.

software/SCSI2SD/src/disk.c

@@ -180,7 +180,6 @@ static void doWrite(uint32 lba, uint32 blocks)
 		// multi-block write is minimal.
 		transfer.multiBlock = 1;
 		
-		if (blocks > 1) scsiDev.needReconnect = 1;
 		sdWriteMultiSectorPrep();
 	}
 }
@@ -216,7 +215,6 @@ static void doRead(uint32 lba, uint32 blocks)
 		else
 		{
 			transfer.multiBlock = 1;
-			scsiDev.needReconnect = 1;
 			sdReadMultiSectorPrep();
 		}
 	}
@@ -612,7 +610,10 @@ void scsiDiskInit()
 	}
 	#endif
 
-	if (SD_CD_Read() == 1)
+	// The Card-detect switches of micro-sd sockets are not standard. Don't make
+	// use of SD_CD so we can use sockets from other manufacturers.
+	// Detect presence of the card by testing whether it responds to commands.
+	// if (SD_CD_Read() == 1)
 	{
 		int retry;
 		blockDev.state = blockDev.state | DISK_PRESENT;

software/SCSI2SD/src/led.c

@@ -0,0 +1,77 @@
+//	Copyright (C) 2014 Michael McMaster <michael@codesrc.com>
+//
+//	This file is part of SCSI2SD.
+//
+//	SCSI2SD is free software: you can redistribute it and/or modify
+//	it under the terms of the GNU General Public License as published by
+//	the Free Software Foundation, either version 3 of the License, or
+//	(at your option) any later version.
+//
+//	SCSI2SD is distributed in the hope that it will be useful,
+//	but WITHOUT ANY WARRANTY; without even the implied warranty of
+//	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//	GNU General Public License for more details.
+//
+//	You should have received a copy of the GNU General Public License
+//	along with SCSI2SD.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "led.h"
+
+// External LED support only exists on the 3.5" v4 board.
+// The powerbook v4 board ties the pin to ground.
+// The v3 boards do not have any such pin.
+#ifdef EXTLED_CTL
+#define HAVE_EXTLED 1
+#endif
+
+#ifdef HAVE_EXTLED
+static int enable_EXTLED = 0;
+#endif
+
+void ledInit()
+{
+#ifdef HAVE_EXTLED
+	EXTLED_SetDriveMode(EXTLED_DM_DIG_HIZ | EXTLED_DM_RES_UP);
+	int val = EXTLED_Read();
+	if (val)
+	{
+		// Pin is not tied to ground, so it's safe to use.
+		enable_EXTLED = 1;
+		EXTLED_SetDriveMode(LED1_DM_STRONG);
+	}
+	else
+	{
+		// Pin is tied to ground. Using it would damage hardware
+		// This is the case for the powerbook boards.
+		enable_EXTLED = 0;
+		EXTLED_SetDriveMode(EXTLED_DM_DIG_HIZ);
+
+	}
+#endif
+	ledOff();
+}
+
+void ledOn()
+{
+	LED1_Write(0);
+
+#ifdef HAVE_EXTLED
+	if (enable_EXTLED)
+	{
+		EXTLED_Write(1);
+	}
+#endif
+}
+
+void ledOff()
+{
+	LED1_Write(1);
+
+#ifdef HAVE_EXTLED
+	if (enable_EXTLED)
+	{
+		EXTLED_Write(0);
+	}
+#endif
+}
+

software/SCSI2SD/src/led.h

@@ -19,7 +19,8 @@
 
 #include "device.h"
 
-#define ledOn() LED1_Write(0)
-#define ledOff() LED1_Write(1)
+void ledInit(void);
+void ledOn(void);
+void ledOff(void);
 
 #endif

software/SCSI2SD/src/main.c

@@ -26,7 +26,7 @@ const char* Notice = "Copyright (C) 2014 Michael McMaster <michael@codesrc.com>"
 
 int main()
 {
-	ledOff();
+	ledInit();
 
 	// Enable global interrupts.
 	// Needed for RST and ATN interrupt handlers.
@@ -41,17 +41,10 @@ int main()
 	scsiInit();
 	scsiDiskInit();
 
-	if (!(blockDev.state & DISK_INITIALISED))
-	{
-			while (1) { ledOn();CyDelay(200); ledOff();CyDelay(200); }
-
-	}
-
 	while (1)
 	{
-#ifdef MM_DEBUG
 		scsiDev.watchdogTick++;
-#endif
+
 		scsiPoll();
 		scsiDiskPoll();
 		configPoll();

software/SCSI2SD/src/scsi.c

@@ -111,93 +111,12 @@ static void enter_Status(uint8 status)
 	scsiDev.status = status;
 	scsiDev.phase = STATUS;
 
-
-	#ifdef MM_DEBUG
 	scsiDev.lastStatus = scsiDev.status;
 	scsiDev.lastSense = scsiDev.sense.code;
-	#endif
-}
-
-static void doReselectTest()
-{
-	scsiDev.needReconnect = 0;
-	scsiEnterPhase(MESSAGE_IN);
-	scsiWriteByte(0x02); // save data pointer
-
-	// TODO check if this message was rejected.
-
-	scsiWriteByte(0x04); // disconnect msg.
-	enter_BusFree();
-	
-	CyDelay(100);
-
-	while (1)
-	{
-		int sel = SCSI_ReadPin(SCSI_In_SEL);
-		int bsy = SCSI_ReadPin(SCSI_In_BSY);
-		if (!sel && !bsy)
-		{
-			// TODO wait bus settle delay
-			CyDelayUs(1); // TODO bus free delay  800ns
-			
-			// Arbitrate.
-			ledOn();
-			SCSI_Out_Bits_Write(scsiDev.scsiIdMask);
-			SCSI_Out_Ctl_Write(1); // Write bits manually.
-			SCSI_SetPin(SCSI_Out_BSY);
-			
-			CyDelayUs(3); // arbitrate delay. 2.4us.
-			
-			uint8_t dbx = scsiReadDBxPins();
-			sel = SCSI_ReadPin(SCSI_In_SEL);
-			if (sel || ((dbx ^ scsiDev.scsiIdMask) > scsiDev.scsiIdMask))
-			{
-				// Lost arbitration.
-				SCSI_Out_Ctl_Write(0);
-				SCSI_ClearPin(SCSI_Out_BSY);
-				ledOff();
-			}
-			else
-			{
-				// Won arbitration	
-				SCSI_SetPin(SCSI_Out_SEL);
-				CyDelayUs(1); // Bus clear + Bus settle.
-
-				// Reselection phase
-				scsiEnterPhase(__scsiphase_io); // TODO get rid of delay
-				SCSI_Out_Bits_Write(scsiDev.scsiIdMask | (1 << scsiDev.initiatorId));
-				CyDelayCycles(4); // 2 deskew delays
-				SCSI_ClearPin(SCSI_Out_BSY);
-				CyDelayUs(1);  // Bus Settle Delay
-
-				bsy = SCSI_ReadPin(SCSI_In_BSY);
-				while (!bsy) { bsy = SCSI_ReadPin(SCSI_In_BSY); } // Wait for initiator.
-				SCSI_SetPin(SCSI_Out_BSY);
-
-				// Prepare for the initial IDENTIFY message.
-				scsiEnterPhase(MESSAGE_IN);
-
-				SCSI_Out_Ctl_Write(0);
-				SCSI_ClearPin(SCSI_Out_SEL);
-
-				// Send identify command
-				scsiWriteByte(0x80);
-				break;
-			}
-		}
-
-	}
-
-	// Continue with status.
-	
 }
 
 static void process_Status()
 {
-	if (scsiDev.status == GOOD && scsiDev.needReconnect && scsiDev.allowDisconnect)
-	{
-	//	doReselectTest();
-	}
 	scsiEnterPhase(STATUS);
 
 	uint8 message;
@@ -222,10 +141,8 @@ static void process_Status()
 	}
 	scsiWriteByte(scsiDev.status);
 
-	#ifdef MM_DEBUG
 	scsiDev.lastStatus = scsiDev.status;
 	scsiDev.lastSense = scsiDev.sense.code;
-	#endif
 
 	// Command Complete occurs AFTER a valid status has been
 	// sent. then we go bus-free.
@@ -325,17 +242,13 @@ static void process_Command()
 	lun = scsiDev.cdb[1] >> 5;
 	control = scsiDev.cdb[scsiDev.cdbLen - 1];
 
-	#ifdef MM_DEBUG
 	scsiDev.cmdCount++;
-	#endif
 
 	if (scsiDev.resetFlag)
 	{
-#ifdef MM_DEBUG
 		// Don't log bogus commands
 		scsiDev.cmdCount--;
 		memset(scsiDev.cdb, 0xff, sizeof(scsiDev.cdb));
-#endif
 		return;
 	}
 	else if (scsiDev.parityError)
@@ -501,9 +414,7 @@ static void doReserveRelease()
 
 static void scsiReset()
 {
-#ifdef MM_DEBUG
 	scsiDev.rstCount++;
-#endif
 	ledOff();
 
 	scsiPhyReset();
@@ -513,7 +424,6 @@ static void scsiReset()
 	scsiDev.phase = BUS_FREE;
 	scsiDev.atnFlag = 0;
 	scsiDev.resetFlag = 0;
-	scsiDev.needReconnect = 0;
 
 	if (scsiDev.unitAttention != POWER_ON_RESET)
 	{
@@ -548,8 +458,6 @@ static void enter_SelectionPhase()
 	scsiDev.dataLen = 0;
 	scsiDev.status = GOOD;
 	scsiDev.phase = SELECTION;
-	scsiDev.needReconnect = 0;
-	scsiDev.allowDisconnect = 0;
 
 	transfer.blocks = 0;
 	transfer.currentBlock = 0;
@@ -593,9 +501,7 @@ static void process_SelectionPhase()
 		SCSI_SetPin(SCSI_Out_BSY);
 		ledOn();
 
-		#ifdef MM_DEBUG
 		scsiDev.selCount++;
-		#endif
 
 		// Wait until the end of the selection phase.
 		while (!scsiDev.resetFlag)
@@ -643,9 +549,7 @@ static void process_MessageOut()
 	scsiDev.atnFlag = 0;
 	scsiDev.parityError = 0;
 	scsiDev.msgOut = scsiReadByte();
-#ifdef MM_DEBUG
 	scsiDev.msgCount++;
-#endif
 
 	if (scsiDev.parityError)
 	{
@@ -731,7 +635,7 @@ static void process_MessageOut()
 			//enter_Status(CHECK_CONDITION);
 			messageReject();
 		}
-		scsiDev.allowDisconnect = scsiDev.msgOut & 0x40;
+		//scsiDev.allowDisconnect = scsiDev.msgOut & 0x40;
 	}
 	else if (scsiDev.msgOut >= 0x20 && scsiDev.msgOut <= 0x2F)
 	{

software/SCSI2SD/src/scsi.h

@@ -17,12 +17,6 @@
 #ifndef SCSI_H
 #define SCSI_H
 
-// Set this to true to log SCSI commands and status information via
-// USB HID packets.  The can be captured and viewed in wireshark.
-// For windows users, capture using USBPcap http://desowin.org/usbpcap/
-//#define MM_DEBUG 1
-#undef MM_DEBUG
-
 #include "geometry.h"
 #include "sense.h"
 
@@ -110,7 +104,6 @@ typedef struct
 
 	void (*postDataOutHook)(void);
 
-#ifdef MM_DEBUG
 	uint8 cmdCount;
 	uint8 selCount;
 	uint8 rstCount;
@@ -118,10 +111,6 @@ typedef struct
 	uint8 watchdogTick;
 	uint8 lastStatus;
 	uint8 lastSense;
-#endif
-
-uint8 allowDisconnect;
-uint8 needReconnect;
 } ScsiDevice;
 
 extern ScsiDevice scsiDev;