/**
* Media control, for spindle motor and media tray or door.
* This includes CDROM, TAPE and anything with a media loader.
*
* @param lun Logical Unit Number
* @param ctl 0x00 Stop Motor, 0x01 Start Motor, 0x02 Eject Media, 0x03 Load Media
* @return 0 on success
*/
uint8_t BulkOnly::MediaCTL(uint8_t lun, uint8_t ctl) {
Notify(PSTR("\r\nMediaCTL\r\n"), 0x80);
Notify(PSTR("-----------------\r\n"), 0x80);
SetCurLUN(lun);
uint8_t rcode = MASS_ERR_UNIT_NOT_READY;
if (bAddress) {
CommandBlockWrapper cbw;
cbw.dCBWSignature = MASS_CBW_SIGNATURE;
cbw.dCBWTag = ++dCBWTag;
cbw.dCBWDataTransferLength = 0;
cbw.bmCBWFlags = MASS_CMD_DIR_OUT;
cbw.bmCBWLUN = lun;
cbw.bmCBWCBLength = 6;
for (uint8_t i = 0; i < 16; i++)
cbw.CBWCB[i] = 0;
cbw.CBWCB[0] = SCSI_CMD_START_STOP_UNIT;
cbw.CBWCB[1] = lun << 5;
cbw.CBWCB[4] = ctl & 0x03;
rcode = HandleSCSIError(Transaction(&cbw, 0, NULL, 0));
}
return rcode;
}
/**
* For driver use only. Used during Driver Init
*
* @param lun Logical Unit Number
* @param bsize
* @param buf
* @return
*/
uint8_t BulkOnly::Inquiry(uint8_t lun, uint16_t bsize, uint8_t *buf) {
Notify(PSTR("\r\nInquiry\r\n"), 0x80);
Notify(PSTR("---------\r\n"), 0x80);
CommandBlockWrapper cbw;
SetCurLUN(lun);
cbw.dCBWSignature = MASS_CBW_SIGNATURE;
cbw.dCBWTag = ++dCBWTag;
cbw.dCBWDataTransferLength = bsize;
cbw.bmCBWFlags = MASS_CMD_DIR_IN;
cbw.bmCBWLUN = lun;
cbw.bmCBWCBLength = 6;
for (uint8_t i = 0; i < 16; i++)
cbw.CBWCB[i] = 0;
cbw.CBWCB[0] = SCSI_CMD_INQUIRY;
cbw.CBWCB[1] = lun << 5;
cbw.CBWCB[4] = bsize;
uint8_t rc = HandleSCSIError(Transaction(&cbw, bsize, buf, 0));
#if 0
if (!rc) {
printf("LUN %i `", lun);
for (int i = 8; i < 36; i++) printf("%c", buf[i]);
printf("'\r\nQualifier %1.1X ", (buf[0]&0xE0) >> 5);
printf("Device type %2.2X ", buf[0]&0x1f);
printf("RMB %1.1X ", buf[1]&0x80 >> 7);
printf("SSCS% 1.1X ", buf[5]&0x80 >> 7);
uint8_t sv = buf[2];
printf("SCSI version %2.2X\r\nDevice conforms to ", sv);
switch (sv) {
case 0:
printf("No specific");
break;
/*
case 1:
printf("");
break;
*/
case 2:
printf("ANSI 2");
break;
case 3:
printf("ANSI INCITS 301-1997 (SPC)");
break;
case 4:
printf("ANSI INCITS 351-2001 (SPC-2)");
break;
case 5:
printf("ANSI INCITS 408-2005 (SPC-4)");
break;
case 6:
printf("T10/1731-D (SPC-4)");
break;
default:
printf("unknown");
}
printf(" standards.\r\n");
}
/**
* Media control, for spindle motor and media tray or door.
* This includes CDROM, TAPE and anything with a media loader.
*
* @param lun Logical Unit Number
* @param ctl 0x00 Stop Motor, 0x01 Start Motor, 0x02 Eject Media, 0x03 Load Media
* @return 0 on success
*/
uint8_t BulkOnly::MediaCTL(uint8_t lun, uint8_t ctl) {
Notify(PSTR("\r\nMediaCTL\r\n"), 0x80);
Notify(PSTR("-----------------\r\n"), 0x80);
uint8_t rcode = MASS_ERR_UNIT_NOT_READY;
if(bAddress) {
CDB6_t cdb = CDB6_t(SCSI_CMD_START_STOP_UNIT, lun, ctl & 0x03, 0);
rcode = SCSITransaction6(&cdb, (uint16_t)0, NULL, (uint8_t)MASS_CMD_DIR_OUT);
} else {
SetCurLUN(lun);
}
return rcode;
}
/**
* Write data to media
*
* @param lun Logical Unit Number
* @param addr LBA address on media to write
* @param bsize size of a block (we should probably use the cached size)
* @param blocks how many blocks to write
* @param buf memory that contains the data to write
* @return 0 on success
*/
uint8_t BulkOnly::Write(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t blocks, const uint8_t * buf) {
if (!LUNOk[lun]) return MASS_ERR_NO_MEDIA;
if (!WriteOk[lun]) return MASS_ERR_WRITE_PROTECTED;
Notify(PSTR("\r\nWrite LUN:\t"), 0x80);
D_PrintHex<uint8_t > (lun, 0x90);
//printf("LUN=%i LBA=%8.8X BLOCKS=%i SIZE=%i\r\n", lun, addr, blocks, bsize);
Notify(PSTR("\r\nLBA:\t\t"), 0x90);
D_PrintHex<uint32_t > (addr, 0x90);
Notify(PSTR("\r\nblocks:\t\t"), 0x90);
D_PrintHex<uint8_t > (blocks, 0x90);
Notify(PSTR("\r\nblock size:\t"), 0x90);
D_PrintHex<uint16_t > (bsize, 0x90);
Notify(PSTR("\r\n---------\r\n"), 0x80);
//MediaCTL(lun, 0x01);
CommandBlockWrapper cbw;
again:
cbw.dCBWSignature = MASS_CBW_SIGNATURE;
cbw.dCBWTag = ++dCBWTag;
cbw.dCBWDataTransferLength = ((uint32_t)bsize * blocks);
cbw.bmCBWFlags = MASS_CMD_DIR_OUT;
cbw.bmCBWLUN = lun;
cbw.bmCBWCBLength = 10;
for (uint8_t i = 0; i < 16; i++)
cbw.CBWCB[i] = 0;
cbw.CBWCB[0] = SCSI_CMD_WRITE_10;
cbw.CBWCB[1] = lun << 5;
cbw.CBWCB[2] = ((addr >> 24) & 0xff);
cbw.CBWCB[3] = ((addr >> 16) & 0xff);
cbw.CBWCB[4] = ((addr >> 8) & 0xff);
cbw.CBWCB[5] = (addr & 0xff);
cbw.CBWCB[8] = 1;
SetCurLUN(lun);
uint8_t er = HandleSCSIError(Transaction(&cbw, bsize, (void*)buf, 0));
if (er == MASS_ERR_WRITE_STALL) {
MediaCTL(lun, 1);
delay(150);
if (!TestUnitReady(lun)) goto again;
}
return er;
}
/**
* Lock or Unlock the tray or door on device.
* Caution: Some devices with buggy firmware will lock up.
*
* @param lun Logical Unit Number
* @param lock 1 to lock, 0 to unlock
* @return
*/
uint8_t BulkOnly::LockMedia(uint8_t lun, uint8_t lock) {
Notify(PSTR("\r\nLockMedia\r\n"), 0x80);
Notify(PSTR("---------\r\n"), 0x80);
CommandBlockWrapper cbw;
SetCurLUN(lun);
cbw.dCBWSignature = MASS_CBW_SIGNATURE;
cbw.dCBWTag = ++dCBWTag;
cbw.dCBWDataTransferLength = 0;
cbw.bmCBWFlags = MASS_CMD_DIR_IN;
cbw.bmCBWLUN = lun;
cbw.bmCBWCBLength = 6;
for (uint8_t i = 0; i < 16; i++)
cbw.CBWCB[i] = 0;
cbw.CBWCB[0] = SCSI_CMD_PREVENT_REMOVAL;
cbw.CBWCB[4] = lock;
return (HandleSCSIError(Transaction(&cbw, 0, NULL, 0)));
}
/**
* For driver use only.
*
* @param pcbw
* @param buf_size
* @param buf
* @param flags
* @return
*/
uint8_t BulkOnly::Transaction(CommandBlockWrapper *pcbw, uint16_t buf_size, void *buf
#if MS_WANT_PARSER
, uint8_t flags
#endif
) {
#if MS_WANT_PARSER
uint16_t bytes = (pcbw->dCBWDataTransferLength > buf_size) ? buf_size : pcbw->dCBWDataTransferLength;
printf("Transfersize %i\r\n", bytes);
delay(1000);
bool callback = (flags & MASS_TRANS_FLG_CALLBACK) == MASS_TRANS_FLG_CALLBACK;
#else
uint16_t bytes = buf_size;
#endif
bool write = (pcbw->bmCBWFlags & MASS_CMD_DIR_IN) != MASS_CMD_DIR_IN;
uint8_t ret = 0;
uint8_t usberr;
CommandStatusWrapper csw; // up here, we allocate ahead to save cpu cycles.
SetCurLUN(pcbw->bmCBWLUN);
ErrorMessage<uint32_t > (PSTR("CBW.dCBWTag"), pcbw->dCBWTag);
while((usberr = pUsb->outTransfer(bAddress, epInfo[epDataOutIndex].epAddr, sizeof (CommandBlockWrapper), (uint8_t*)pcbw)) == hrBUSY) delay(1);
ret = HandleUsbError(usberr, epDataOutIndex);
//ret = HandleUsbError(pUsb->outTransfer(bAddress, epInfo[epDataOutIndex].epAddr, sizeof (CommandBlockWrapper), (uint8_t*)pcbw), epDataOutIndex);
if(ret) {
ErrorMessage<uint8_t > (PSTR("============================ CBW"), ret);
} else {
if(bytes) {
if(!write) {
#if MS_WANT_PARSER
if(callback) {
uint8_t rbuf[bytes];
while((usberr = pUsb->inTransfer(bAddress, epInfo[epDataInIndex].epAddr, &bytes, rbuf)) == hrBUSY) delay(1);
if(usberr == hrSUCCESS) ((USBReadParser*)buf)->Parse(bytes, rbuf, 0);
} else {
#endif
while((usberr = pUsb->inTransfer(bAddress, epInfo[epDataInIndex].epAddr, &bytes, (uint8_t*)buf)) == hrBUSY) delay(1);
#if MS_WANT_PARSER
}
#endif
ret = HandleUsbError(usberr, epDataInIndex);
} else {
while((usberr = pUsb->outTransfer(bAddress, epInfo[epDataOutIndex].epAddr, bytes, (uint8_t*)buf)) == hrBUSY) delay(1);
ret = HandleUsbError(usberr, epDataOutIndex);
}
if(ret) {
ErrorMessage<uint8_t > (PSTR("============================ DAT"), ret);
}
}
}
{
bytes = sizeof (CommandStatusWrapper);
int tries = 2;
while(tries--) {
while((usberr = pUsb->inTransfer(bAddress, epInfo[epDataInIndex].epAddr, &bytes, (uint8_t*) & csw)) == hrBUSY) delay(1);
if(!usberr) break;
ClearEpHalt(epDataInIndex);
if(tries) ResetRecovery();
}
if(!ret) {
Notify(PSTR("CBW:\t\tOK\r\n"), 0x80);
Notify(PSTR("Data Stage:\tOK\r\n"), 0x80);
} else {
// Throw away csw, IT IS NOT OF ANY USE.
ResetRecovery();
return ret;
}
ret = HandleUsbError(usberr, epDataInIndex);
if(ret) {
ErrorMessage<uint8_t > (PSTR("============================ CSW"), ret);
}
if(usberr == hrSUCCESS) {
if(IsValidCSW(&csw, pcbw)) {
//ErrorMessage<uint32_t > (PSTR("CSW.dCBWTag"), csw.dCSWTag);
//ErrorMessage<uint8_t > (PSTR("bCSWStatus"), csw.bCSWStatus);
//ErrorMessage<uint32_t > (PSTR("dCSWDataResidue"), csw.dCSWDataResidue);
Notify(PSTR("CSW:\t\tOK\r\n\r\n"), 0x80);
return csw.bCSWStatus;
} else {
// NOTE! Sometimes this is caused by the reported residue being wrong.
// Get a different device. It isn't compliant, and should have never passed Q&A.
// I own one... 05e3:0701 Genesys Logic, Inc. USB 2.0 IDE Adapter.
// Other devices that exhibit this behavior exist in the wild too.
// Be sure to check quirks in the Linux source code before reporting a bug. --xxxajk
Notify(PSTR("Invalid CSW\r\n"), 0x80);
ResetRecovery();
//return MASS_ERR_SUCCESS;
return MASS_ERR_INVALID_CSW;
}
}
}
return ret;
}
