fix typographical mistakes in comments
Also, fix up some white-space issues. No functional change here.
This commit is contained in:
William Leara
parent
e236b5b054
commit
0be37ccde0
264
src/BlueSCSI.cpp
264
src/BlueSCSI.cpp
|
|
@ -1,38 +1,38 @@
|
|||
/*
|
||||
/*
|
||||
* BlueSCSI
|
||||
* Copyright (c) 2021 Eric Helgeson, Androda
|
||||
*
|
||||
* This file is free software: you may copy, redistribute and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation, either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* This file 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 this program. If not, see https://github.com/erichelgeson/bluescsi.
|
||||
*
|
||||
* This file incorporates work covered by the following copyright and
|
||||
* permission notice:
|
||||
*
|
||||
* Copyright (c) 2019 komatsu
|
||||
*
|
||||
* Permission to use, copy, modify, and/or distribute this software
|
||||
* for any purpose with or without fee is hereby granted, provided
|
||||
* that the above copyright notice and this permission notice appear
|
||||
* in all copies.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
|
||||
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
|
||||
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* This file is free software: you may copy, redistribute and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation, either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* This file 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 this program. If not, see https://github.com/erichelgeson/bluescsi.
|
||||
*
|
||||
* This file incorporates work covered by the following copyright and
|
||||
* permission notice:
|
||||
*
|
||||
* Copyright (c) 2019 komatsu
|
||||
*
|
||||
* Permission to use, copy, modify, and/or distribute this software
|
||||
* for any purpose with or without fee is hereby granted, provided
|
||||
* that the above copyright notice and this permission notice appear
|
||||
* in all copies.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
|
||||
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
|
||||
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
|
||||
#include <Arduino.h> // For Platform.IO
|
||||
|
|
@ -72,7 +72,7 @@ byte m_scsi_buf[SCSI_BUF_SIZE]; // Buffer for SCSI READ/WRITE Buffer
|
|||
SCSI_DEVICE scsi_device_list[NUM_SCSIID][NUM_SCSILUN]; // Maximum number
|
||||
SCSI_INQUIRY_DATA default_hdd, default_optical;
|
||||
|
||||
// Enables SCSI IDs to be representing as LUNs on SCSI ID 0
|
||||
// Enables SCSI IDs to be representing as LUNs on SCSI ID 0
|
||||
// This supports a specific case for the Atari MegaSTE internal SCSI adapter
|
||||
bool ids_as_luns = false;
|
||||
|
||||
|
|
@ -177,7 +177,7 @@ void readSCSIDeviceConfig(uint8_t scsi_id, SCSI_DEVICE *dev) {
|
|||
LOG_FILE.print("vendor:");
|
||||
LOG_FILE.println(buf);
|
||||
}
|
||||
|
||||
|
||||
if(ini_gets(section, "product", NULL, buf, SCSI_BUF_SIZE, BLUESCSI_INI)) {
|
||||
memcpy(iq->product, buf, SCSI_PRODUCT_LENGTH);
|
||||
LOG_FILE.print("product:");
|
||||
|
|
@ -238,7 +238,7 @@ void readSDCardInfo(int success_mhz)
|
|||
}
|
||||
|
||||
bool VerifyISOPVD(SCSI_DEVICE *dev, unsigned sector_size, bool mode2)
|
||||
{
|
||||
{
|
||||
int seek = 16 * sector_size;
|
||||
if(sector_size > CDROM_COMMON_SECTORSIZE) seek += 16;
|
||||
if(mode2) seek += 8;
|
||||
|
|
@ -269,7 +269,7 @@ bool hddimageOpen(SCSI_DEVICE *dev, FsFile *file,int id,int lun,int blocksize)
|
|||
if(!dev->m_file.isOpen()) { goto failed; }
|
||||
|
||||
dev->m_fileSize = dev->m_file.size();
|
||||
|
||||
|
||||
if(dev->m_fileSize < 1) {
|
||||
LOG_FILE.println(" - file is 0 bytes, can not use.");
|
||||
goto failed;
|
||||
|
|
@ -338,8 +338,8 @@ bool hddimageOpen(SCSI_DEVICE *dev, FsFile *file,int id,int lun,int blocksize)
|
|||
}
|
||||
return true; // File opened
|
||||
|
||||
failed:
|
||||
|
||||
failed:
|
||||
|
||||
dev->m_file.close();
|
||||
dev->m_fileSize = dev->m_blocksize = 0; // no file
|
||||
//delete dev->m_file;
|
||||
|
|
@ -379,7 +379,7 @@ void setup()
|
|||
scsi_command_table[SCSI_RELEASE] = onNOP;
|
||||
scsi_command_table[SCSI_RESERVE] = onNOP;
|
||||
scsi_command_table[SCSI_TEST_UNIT_READY] = onNOP;
|
||||
|
||||
|
||||
// SCSI commands that have handlers
|
||||
scsi_command_table[SCSI_REZERO_UNIT] = onReZeroUnit;
|
||||
scsi_command_table[SCSI_REQUEST_SENSE] = onRequestSense;
|
||||
|
|
@ -433,7 +433,7 @@ void setup()
|
|||
memcpy(&default_optical.revision, "1.9a", 4);
|
||||
default_optical.release = 0x20;
|
||||
memcpy(&default_optical.revision_date, "1995", 4);
|
||||
|
||||
|
||||
// Serial initialization
|
||||
#if DEBUG > 0
|
||||
Serial.begin(9600);
|
||||
|
|
@ -459,7 +459,7 @@ void setup()
|
|||
pinMode(TR_TARGET, OUTPUT);
|
||||
pinMode(TR_INITIATOR, OUTPUT);
|
||||
pinMode(TR_DBP, OUTPUT);
|
||||
|
||||
|
||||
TRANSCEIVER_IO_SET(vTR_INITIATOR,TR_INPUT);
|
||||
#endif
|
||||
|
||||
|
|
@ -474,7 +474,7 @@ void setup()
|
|||
|
||||
#ifdef XCVR
|
||||
TRANSCEIVER_IO_SET(vTR_DBP,TR_INPUT);
|
||||
|
||||
|
||||
// Initiator port
|
||||
pinMode(ATN, INPUT);
|
||||
pinMode(BSY, INPUT);
|
||||
|
|
@ -614,13 +614,13 @@ void findDriveImages(FsFile root) {
|
|||
file.close();
|
||||
continue;
|
||||
}
|
||||
|
||||
|
||||
switch (tolower(name[0])) {
|
||||
case 'h':
|
||||
case 'h':
|
||||
device_type = SCSI_DEVICE_HDD;
|
||||
file = SD.open(name, O_RDWR);
|
||||
break;
|
||||
case 'c':
|
||||
case 'c':
|
||||
device_type = SCSI_DEVICE_OPTICAL;
|
||||
file = SD.open(name, O_RDONLY);
|
||||
break;
|
||||
|
|
@ -686,14 +686,14 @@ void findDriveImages(FsFile root) {
|
|||
image_ready = hddimageOpen(dev, &file, id, lun, blk);
|
||||
if(image_ready) { // Marked as a responsive ID
|
||||
scsi_id_mask |= 1<<id;
|
||||
|
||||
|
||||
switch(dev->m_type)
|
||||
{
|
||||
case SCSI_DEVICE_HDD:
|
||||
// default SCSI HDD
|
||||
dev->inquiry_block = default_hdd;
|
||||
dev->inquiry_block = default_hdd;
|
||||
break;
|
||||
|
||||
|
||||
case SCSI_DEVICE_OPTICAL:
|
||||
// default SCSI CDROM
|
||||
dev->inquiry_block = default_optical;
|
||||
|
|
@ -702,7 +702,7 @@ void findDriveImages(FsFile root) {
|
|||
|
||||
readSCSIDeviceConfig(id, dev);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
LOG_FILE.sync();
|
||||
}
|
||||
|
|
@ -749,7 +749,7 @@ void finalizeFileLog() {
|
|||
LOG_FILE.print((dev->m_blocksize<1000) ? ": " : ":");
|
||||
LOG_FILE.print(dev->m_blocksize);
|
||||
}
|
||||
else
|
||||
else
|
||||
LOG_FILE.print(":----");
|
||||
}
|
||||
LOG_FILE.println(":");
|
||||
|
|
@ -824,7 +824,7 @@ void onBusReset(void)
|
|||
LOGN("BusReset!");
|
||||
if (m_resetJmp) {
|
||||
m_resetJmp = false;
|
||||
// Jumping out of the interrupt handler, so need to clear the interupt source.
|
||||
// Jumping out of the interrupt handler, so need to clear the interrupt source.
|
||||
uint8 exti = PIN_MAP[RST].gpio_bit;
|
||||
EXTI_BASE->PR = (1U << exti);
|
||||
longjmpFromInterrupt(m_resetJmpBuf, 1);
|
||||
|
|
@ -834,7 +834,7 @@ void onBusReset(void)
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Enable the reset longjmp, and check if reset fired while it was disabled.
|
||||
*/
|
||||
|
|
@ -856,7 +856,7 @@ inline byte readHandshake(void)
|
|||
byte r = readIO();
|
||||
SCSI_OUT(vREQ,inactive)
|
||||
while( SCSI_IN(vACK));
|
||||
return r;
|
||||
return r;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -908,8 +908,8 @@ inline void writeHandshakeLoop(int len, const byte* srcptr)
|
|||
register gpio_reg_map *port_b = PBREG;
|
||||
register volatile uint32_t *port_a_idr = &(GPIOA->regs->IDR);
|
||||
|
||||
// Start the first bus cycle.
|
||||
do{
|
||||
// Start the first bus cycle.
|
||||
do{
|
||||
FETCH_BSRR_DB();
|
||||
REQ_OFF_DB_SET(bsrr_val);
|
||||
WAIT_ACK_INACTIVE();
|
||||
|
|
@ -1010,7 +1010,7 @@ void writeDataPhaseSD(SCSI_DEVICE *dev, uint32_t adds, uint32_t len)
|
|||
TRANSCEIVER_IO_SET(vTR_DBP,TR_OUTPUT)
|
||||
#endif
|
||||
SCSI_DB_OUTPUT()
|
||||
|
||||
|
||||
for(uint32_t i = 0; i < len; i++) {
|
||||
// Asynchronous reads will make it faster ...
|
||||
m_resetJmp = false;
|
||||
|
|
@ -1023,7 +1023,7 @@ void writeDataPhaseSD(SCSI_DEVICE *dev, uint32_t adds, uint32_t len)
|
|||
|
||||
#pragma GCC push_options
|
||||
#pragma GCC optimize ("-Os")
|
||||
|
||||
|
||||
/*
|
||||
* See writeDataLoop for optimization info.
|
||||
*/
|
||||
|
|
@ -1134,7 +1134,7 @@ void MsgIn2(int msg)
|
|||
/*
|
||||
* Main loop.
|
||||
*/
|
||||
void loop()
|
||||
void loop()
|
||||
{
|
||||
byte m_id = 0; // Currently responding SCSI-ID
|
||||
byte m_lun = 0xff; // Logical unit number currently responding
|
||||
|
|
@ -1157,11 +1157,11 @@ void loop()
|
|||
//do {} while( !SCSI_IN(vBSY) || SCSI_IN(vRST));
|
||||
// We're in ARBITRATION
|
||||
//LOG(" A:"); LOGHEX(readIO()); LOG(" ");
|
||||
|
||||
|
||||
//do {} while( SCSI_IN(vBSY) || !SCSI_IN(vSEL) || SCSI_IN(vRST));
|
||||
//LOG(" S:"); LOGHEX(readIO()); LOG(" ");
|
||||
// We're in SELECTION
|
||||
|
||||
|
||||
byte scsiid = readIO() & scsi_id_mask;
|
||||
if(SCSI_IN(vIO) || (scsiid) == 0) {
|
||||
delayMicroseconds(1);
|
||||
|
|
@ -1181,7 +1181,7 @@ void loop()
|
|||
|
||||
// Wait until SEL becomes inactive
|
||||
while(isHigh(gpio_read(SEL))) {}
|
||||
|
||||
|
||||
// Ask for a TARGET-ID to respond
|
||||
m_id = 31 - __builtin_clz(scsiid);
|
||||
|
||||
|
|
@ -1191,8 +1191,8 @@ void loop()
|
|||
goto BusFree;
|
||||
}
|
||||
enableResetJmp();
|
||||
|
||||
// In SCSI-2 this is mandatory, but in SCSI-1 it's optional
|
||||
|
||||
// In SCSI-2 this is mandatory, but in SCSI-1 it's optional
|
||||
if(isHigh(gpio_read(ATN))) {
|
||||
SCSI_PHASE_CHANGE(SCSI_PHASE_MESSAGEOUT);
|
||||
// Bus settle delay 400ns. Following code was measured at 350ns before REQ asserted. Added another 50ns. STM32F103.
|
||||
|
|
@ -1250,13 +1250,13 @@ void loop()
|
|||
LOG("CMD:");
|
||||
SCSI_PHASE_CHANGE(SCSI_PHASE_COMMAND);
|
||||
// Bus settle delay 400ns. The following code was measured at 20ns before REQ asserted. Added another 380ns. STM32F103.
|
||||
asm("nop;nop;nop;nop;nop;nop;nop;nop");// This asm causes some code reodering, which adds 270ns, plus 8 nop cycles for an additional 110ns. STM32F103
|
||||
asm("nop;nop;nop;nop;nop;nop;nop;nop");// This asm causes some code reordering, which adds 270ns, plus 8 nop cycles for an additional 110ns. STM32F103
|
||||
int len;
|
||||
byte cmd[20];
|
||||
|
||||
cmd[0] = readHandshake();
|
||||
// Atari ST ICD extension support
|
||||
// It sends a 0x1F as a indicator there is a
|
||||
// It sends a 0x1F as a indicator there is a
|
||||
// proper full size SCSI command byte to follow
|
||||
// so just read it and re-read it again to get the
|
||||
// real command byte
|
||||
|
|
@ -1284,7 +1284,7 @@ void loop()
|
|||
if(ids_as_luns)
|
||||
{
|
||||
// if this mode is enabled we are going to substitute all SCSI IDs as LUNs on ID0
|
||||
// this is because the MegaSTE internal adapter only supports ID0. This lets multiple
|
||||
// this is because the MegaSTE internal adapter only supports ID0. This lets multiple
|
||||
// devices still be used
|
||||
|
||||
LOG(" MSTE MODE ID:"); LOG(m_id); LOG(" LUN:"); LOG(m_lun);
|
||||
|
|
@ -1339,10 +1339,10 @@ void loop()
|
|||
(byte)SCSI_ASC_LOGICAL_UNIT_NOT_SUPPORTED,
|
||||
0, 0, 0, 0,
|
||||
};
|
||||
writeDataPhase(cmd[4] < 18 ? cmd[4] : 18, buf);
|
||||
writeDataPhase(cmd[4] < 18 ? cmd[4] : 18, buf);
|
||||
}
|
||||
else
|
||||
{
|
||||
{
|
||||
m_sts = SCSI_STATUS_CHECK_CONDITION;
|
||||
}
|
||||
|
||||
|
|
@ -1441,7 +1441,7 @@ byte onRequestSense(SCSI_DEVICE *dev, const byte *cdb)
|
|||
};
|
||||
dev->m_senseKey = 0;
|
||||
dev->m_additional_sense_code = 0;
|
||||
writeDataPhase(cdb[4] < 18 ? cdb[4] : 18, buf);
|
||||
writeDataPhase(cdb[4] < 18 ? cdb[4] : 18, buf);
|
||||
|
||||
return SCSI_STATUS_GOOD;
|
||||
}
|
||||
|
|
@ -1473,7 +1473,7 @@ byte onReadCapacity(SCSI_DEVICE *dev, const byte *cdb)
|
|||
byte checkBlockCommand(SCSI_DEVICE *dev, uint32_t adds, uint32_t len)
|
||||
{
|
||||
// Check block range is valid
|
||||
if (adds >= dev->m_blockcount || (adds + len) > dev->m_blockcount) {
|
||||
if (adds >= dev->m_blockcount || (adds + len) > dev->m_blockcount) {
|
||||
dev->m_senseKey = SCSI_SENSE_ILLEGAL_REQUEST;
|
||||
dev->m_additional_sense_code = SCSI_ASC_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE;
|
||||
return SCSI_STATUS_CHECK_CONDITION;
|
||||
|
|
@ -1495,12 +1495,12 @@ static byte onRead6(SCSI_DEVICE *dev, const byte *cdb)
|
|||
LOG(":");
|
||||
LOGHEXN(len);
|
||||
*/
|
||||
|
||||
|
||||
byte sts = checkBlockCommand(dev, adds, len);
|
||||
if (sts) {
|
||||
return sts;
|
||||
}
|
||||
|
||||
|
||||
writeDataPhaseSD(dev, adds, len);
|
||||
return SCSI_STATUS_GOOD;
|
||||
}
|
||||
|
|
@ -1509,19 +1509,19 @@ static byte onRead10(SCSI_DEVICE *dev, const byte *cdb)
|
|||
{
|
||||
unsigned adds = ((uint32_t)cdb[2] << 24) | ((uint32_t)cdb[3] << 16) | ((uint32_t)cdb[4] << 8) | cdb[5];
|
||||
unsigned len = ((uint32_t)cdb[7] << 8) | cdb[8];
|
||||
|
||||
|
||||
LOG (" Read10 ");
|
||||
LOG("A:");
|
||||
LOGHEX(adds);
|
||||
LOG(":");
|
||||
LOGHEX(len);
|
||||
LOG(" ");
|
||||
|
||||
|
||||
byte sts = checkBlockCommand(dev, adds, len);
|
||||
if (sts) {
|
||||
return sts;
|
||||
}
|
||||
|
||||
|
||||
writeDataPhaseSD(dev, adds, len);
|
||||
return SCSI_STATUS_GOOD;
|
||||
}
|
||||
|
|
@ -1547,7 +1547,7 @@ static byte onWrite6(SCSI_DEVICE *dev, const byte *cdb)
|
|||
dev->m_additional_sense_code = SCSI_ASC_WRITE_PROTECTED; // Write Protect
|
||||
return SCSI_STATUS_CHECK_CONDITION;
|
||||
}
|
||||
|
||||
|
||||
byte sts = checkBlockCommand(dev, adds, len);
|
||||
if (sts) {
|
||||
return sts;
|
||||
|
|
@ -1634,11 +1634,11 @@ byte onModeSense(SCSI_DEVICE *dev, const byte *cdb)
|
|||
length = cdb[7];
|
||||
length <<= 8;
|
||||
length |= cdb[8];
|
||||
if(length > 0x800) { length = 0x800; };
|
||||
}
|
||||
|
||||
if(length > 0x800) { length = 0x800; };
|
||||
}
|
||||
|
||||
memset(m_buf, 0, length);
|
||||
|
||||
|
||||
if(!dbd) {
|
||||
byte c[8] = {
|
||||
0,//Density code
|
||||
|
|
@ -1704,7 +1704,7 @@ byte onModeSense(SCSI_DEVICE *dev, const byte *cdb)
|
|||
m_buf[a + 0] = SCSI_SENSE_MODE_FLEXABLE_GEOMETRY;
|
||||
m_buf[a + 1] = 0x1E; // Page length
|
||||
if(pageControl != 1) {
|
||||
m_buf[a + 2] = 0x03;
|
||||
m_buf[a + 2] = 0x03;
|
||||
m_buf[a + 3] = 0xE8; // Transfer rate 1 mbit/s
|
||||
m_buf[a + 4] = 16; // Number of heads
|
||||
m_buf[a + 5] = 63; // Sectors per track
|
||||
|
|
@ -1717,7 +1717,7 @@ byte onModeSense(SCSI_DEVICE *dev, const byte *cdb)
|
|||
m_buf[a + 0] = SCSI_SENSE_MODE_CACHING;
|
||||
m_buf[a + 1] = 0x0A; // Page length
|
||||
if(pageControl != 1) {
|
||||
m_buf[a + 2] = 0x01; // Disalbe Read Cache so no one asks for Cache Stats page.
|
||||
m_buf[a + 2] = 0x01; // Disable Read Cache so no one asks for Cache Stats page.
|
||||
}
|
||||
a += 0x0C;
|
||||
if(pageCode != SCSI_SENSE_MODE_ALL) break;
|
||||
|
|
@ -1772,7 +1772,7 @@ byte onModeSense(SCSI_DEVICE *dev, const byte *cdb)
|
|||
m_buf[a + 1] = 0x0A;
|
||||
a += 0x0C;
|
||||
if(pageCode != SCSI_SENSE_MODE_ALL) break;
|
||||
|
||||
|
||||
case SCSI_SENSE_MODE_CDROM:
|
||||
m_buf[a + 0] = SCSI_SENSE_MODE_CDROM;
|
||||
m_buf[a + 1] = 0x06;
|
||||
|
|
@ -1856,8 +1856,8 @@ byte onListFiles(SCSI_DEVICE *dev, const byte *cdb) {
|
|||
file_entry[i] = name[c++];
|
||||
}
|
||||
file_entry[35] = 0; //(size >> 32) & 0xff;
|
||||
file_entry[36] = (size >> 24) & 0xff;
|
||||
file_entry[37] = (size >> 16) & 0xff;
|
||||
file_entry[36] = (size >> 24) & 0xff;
|
||||
file_entry[37] = (size >> 16) & 0xff;
|
||||
file_entry[38] = (size >> 8) & 0xff;
|
||||
file_entry[39] = (size) & 0xff;
|
||||
memcpy(&(m_buf[ENTRY_SIZE * index]), file_entry, ENTRY_SIZE);
|
||||
|
|
@ -1937,7 +1937,7 @@ File get_file_from_index(uint8_t index)
|
|||
return file_test;
|
||||
}
|
||||
|
||||
File file; // global so we can keep it open while transfering.
|
||||
File file; // global so we can keep it open while transferring.
|
||||
byte onGetFile(SCSI_DEVICE *dev, const byte *cdb) {
|
||||
uint8_t index = cdb[1];
|
||||
uint32_t offset = ((uint32_t)cdb[2] << 24) | ((uint32_t)cdb[3] << 16) | ((uint32_t)cdb[4] << 8) | cdb[5];
|
||||
|
|
@ -1951,7 +1951,7 @@ byte onGetFile(SCSI_DEVICE *dev, const byte *cdb) {
|
|||
return SCSI_STATUS_CHECK_CONDITION;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
uint32_t file_total = file.size();
|
||||
memset(m_buf, 0, MAC_BLK_SIZE);
|
||||
file.seekSet(offset * MAC_BLK_SIZE);
|
||||
|
|
@ -1965,7 +1965,7 @@ byte onGetFile(SCSI_DEVICE *dev, const byte *cdb) {
|
|||
}
|
||||
|
||||
/*
|
||||
Prepares a file for receving. The file name is null terminated in the scsi data.
|
||||
Prepares a file for receiving. The file name is null terminated in the scsi data.
|
||||
*/
|
||||
File receveFile;
|
||||
byte onSendFilePrep(SCSI_DEVICE *dev, const byte *cdb)
|
||||
|
|
@ -2011,7 +2011,7 @@ byte onSendFile10(SCSI_DEVICE *dev, const byte *cdb)
|
|||
// 512 byte offset of where to put these bytes.
|
||||
uint32_t offset = ((uint32_t)cdb[3] << 16) | ((uint32_t)cdb[4] << 8) | cdb[5];
|
||||
uint16_t buf_size = SCSI_BUF_SIZE;
|
||||
// Check if last block of file, and not the only bock in file.
|
||||
// Check if last block of file, and not the only block in file.
|
||||
if(bytes_sent < buf_size)
|
||||
{
|
||||
buf_size = bytes_sent;
|
||||
|
|
@ -2049,7 +2049,7 @@ void setBlockLength(SCSI_DEVICE *dev, uint32_t length)
|
|||
dev->m_blocksize = dev->m_rawblocksize = length;
|
||||
dev->m_blockcount = dev->m_fileSize / dev->m_blocksize;
|
||||
}
|
||||
|
||||
|
||||
byte onModeSelect(SCSI_DEVICE *dev, const byte *cdb)
|
||||
{
|
||||
unsigned length = 0;
|
||||
|
|
@ -2085,7 +2085,7 @@ byte onModeSelect(SCSI_DEVICE *dev, const byte *cdb)
|
|||
//0 0 0 8 0 0 0 0 0 0 2 0 0 2 10 0 1 6 24 10 8 0 0 0
|
||||
//I believe mode page 0 set to 10 00 is Disable Unit Attention
|
||||
//Mode page 1 set to 24 10 08 00 00 00 is TB and PER set, read retry count 16, correction span 8
|
||||
|
||||
|
||||
if(dev->m_type == SCSI_DEVICE_OPTICAL)
|
||||
{
|
||||
// check for a block descriptor
|
||||
|
|
@ -2106,7 +2106,7 @@ byte onModeSelect(SCSI_DEVICE *dev, const byte *cdb)
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#if DEBUG > 0
|
||||
for (unsigned i = 0; i < length; i++) {
|
||||
LOGHEX(m_buf[i]);LOG(" ");
|
||||
|
|
@ -2121,7 +2121,7 @@ byte onModeSelect(SCSI_DEVICE *dev, const byte *cdb)
|
|||
*/
|
||||
byte onReZeroUnit(SCSI_DEVICE *dev, const byte *cdb) {
|
||||
LOGN("-ReZeroUnit");
|
||||
// Make sure we have an image with atleast a first byte.
|
||||
// Make sure we have an image with at least a first byte.
|
||||
// Actually seeking to the position wont do anything, so dont.
|
||||
return checkBlockCommand(dev, 0, 0);
|
||||
}
|
||||
|
|
@ -2131,7 +2131,7 @@ byte onReZeroUnit(SCSI_DEVICE *dev, const byte *cdb) {
|
|||
*/
|
||||
byte onWriteBuffer(SCSI_DEVICE *dev, const byte *cdb)
|
||||
{
|
||||
byte mode = cdb[1] & 7;
|
||||
byte mode = cdb[1] & 7;
|
||||
uint32_t allocLength = ((uint32_t)cdb[6] << 16) | ((uint32_t)cdb[7] << 8) | cdb[8];
|
||||
|
||||
LOGN("-WriteBuffer");
|
||||
|
|
@ -2176,12 +2176,12 @@ byte onWriteBuffer(SCSI_DEVICE *dev, const byte *cdb)
|
|||
*/
|
||||
byte onReadBuffer(SCSI_DEVICE *dev, const byte *cdb)
|
||||
{
|
||||
byte mode = cdb[1] & 7;
|
||||
byte mode = cdb[1] & 7;
|
||||
unsigned m_scsi_buf_size = 0;
|
||||
#if DEBUG > 0
|
||||
uint32_t allocLength = ((uint32_t)cdb[6] << 16) | ((uint32_t)cdb[7] << 8) | cdb[8];
|
||||
#endif
|
||||
|
||||
|
||||
LOGN("-ReadBuffer");
|
||||
LOGHEXN(mode);
|
||||
LOGHEXN(allocLength);
|
||||
|
|
@ -2261,23 +2261,23 @@ static byte onReadTOC(SCSI_DEVICE *dev, const byte *cdb)
|
|||
dev->m_additional_sense_code = SCSI_ASC_INVALID_FIELD_IN_CDB;
|
||||
return SCSI_STATUS_CHECK_CONDITION;
|
||||
#endif
|
||||
|
||||
|
||||
if(track > 1 || cdb[2] != 0)
|
||||
{
|
||||
dev->m_senseKey = SCSI_SENSE_ILLEGAL_REQUEST;
|
||||
dev->m_additional_sense_code = SCSI_ASC_INVALID_FIELD_IN_CDB;
|
||||
return SCSI_STATUS_CHECK_CONDITION;
|
||||
}
|
||||
|
||||
|
||||
m_buf[1] = 18; // TOC length LSB
|
||||
m_buf[2] = 1; // First Track
|
||||
m_buf[3] = 1; // Last Track
|
||||
|
||||
|
||||
// first track
|
||||
m_buf[5] = 0x14; // data track
|
||||
m_buf[6] = 1;
|
||||
|
||||
// leadout track
|
||||
m_buf[6] = 1;
|
||||
|
||||
// leadout track
|
||||
m_buf[13] = 0x14; // data track
|
||||
m_buf[14] = 0xaa; // leadout track
|
||||
if(msf)
|
||||
|
|
@ -2291,7 +2291,7 @@ static byte onReadTOC(SCSI_DEVICE *dev, const byte *cdb)
|
|||
m_buf[18] = (byte)(dev->m_blockcount >> 8);
|
||||
m_buf[20] = (byte)(dev->m_blockcount);
|
||||
}
|
||||
|
||||
|
||||
writeDataPhase(SCSI_TOC_LENGTH > len ? len : SCSI_TOC_LENGTH, m_buf);
|
||||
return SCSI_STATUS_GOOD;
|
||||
}
|
||||
|
|
@ -2310,44 +2310,44 @@ static byte onReadDVDStructure(SCSI_DEVICE *dev, const byte *cdb)
|
|||
}
|
||||
|
||||
// Thanks RaSCSI :D
|
||||
// LBA→MSF Conversion
|
||||
// LBA→MSF Conversion
|
||||
static inline void LBAtoMSF(const uint32_t lba, byte *msf)
|
||||
{
|
||||
uint32_t m, s, f;
|
||||
uint32_t m, s, f;
|
||||
|
||||
// 75 and 75*60 get the remainder
|
||||
m = lba / (75 * 60);
|
||||
s = lba % (75 * 60);
|
||||
f = s % 75;
|
||||
s /= 75;
|
||||
// 75 and 75*60 get the remainder
|
||||
m = lba / (75 * 60);
|
||||
s = lba % (75 * 60);
|
||||
f = s % 75;
|
||||
s /= 75;
|
||||
|
||||
// The base point is M=0, S=2, F=0
|
||||
s += 2;
|
||||
if (s >= 60) {
|
||||
s -= 60;
|
||||
m++;
|
||||
}
|
||||
// The base point is M=0, S=2, F=0
|
||||
s += 2;
|
||||
if (s >= 60) {
|
||||
s -= 60;
|
||||
m++;
|
||||
}
|
||||
|
||||
// Store
|
||||
msf[0] = 0x00;
|
||||
msf[1] = (byte)m;
|
||||
msf[2] = (byte)s;
|
||||
msf[3] = (byte)f;
|
||||
// Store
|
||||
msf[0] = 0x00;
|
||||
msf[1] = (byte)m;
|
||||
msf[2] = (byte)s;
|
||||
msf[3] = (byte)f;
|
||||
}
|
||||
|
||||
static inline uint32_t MSFtoLBA(const byte *msf)
|
||||
{
|
||||
uint32_t lba;
|
||||
uint32_t lba;
|
||||
|
||||
// 1, 75, add up in multiples of 75*60
|
||||
lba = msf[1];
|
||||
lba *= 60;
|
||||
lba += msf[2];
|
||||
lba *= 75;
|
||||
lba += msf[3];
|
||||
// 1, 75, add up in multiples of 75*60
|
||||
lba = msf[1];
|
||||
lba *= 60;
|
||||
lba += msf[2];
|
||||
lba *= 75;
|
||||
lba += msf[3];
|
||||
|
||||
// Since the base point is M=0, S=2, F=0, subtract 150
|
||||
lba -= 150;
|
||||
// Since the base point is M=0, S=2, F=0, subtract 150
|
||||
lba -= 150;
|
||||
|
||||
return lba;
|
||||
return lba;
|
||||
}
|
||||
Loading…
Reference in New Issue