specchioriflesso/USB_Host_Shield_2.0
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USB_Host_Shield_2.0/masstorage.h
Andrew J. Kroll 629594f957 Merge my debug changes. 
Merge my format sanity changes.
Track everything.
2013-03-28 03:26:02 -04:00

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#if !defined(__MASSTORAGE_H__)
#define __MASSTORAGE_H__
#include <inttypes.h>
#include "avrpins.h"
#include <avr/pgmspace.h>
#include "max3421e.h"
#include "usbhost.h"
#include "usb_ch9.h"
#include "Usb.h"
#if defined(ARDUINO) && ARDUINO >=100
#include "Arduino.h"
#else
#include <WProgram.h>
#endif
#include "printhex.h"
#include "hexdump.h"
#include "message.h"
#include <confdescparser.h>
#define SWAP(a, b) (((a) ^= (b)), ((b) ^= (a)), ((a) ^= (b)))
#define bmREQ_MASSOUT USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE
#define bmREQ_MASSIN USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE
// Mass Storage Subclass Constants
#define MASS_SUBCLASS_SCSI_NOT_REPORTED 0x00 // De facto use
#define MASS_SUBCLASS_RBC 0x01
#define MASS_SUBCLASS_ATAPI 0x02 // MMC-5 (ATAPI)
#define MASS_SUBCLASS_OBSOLETE1 0x03 // Was QIC-157
#define MASS_SUBCLASS_UFI 0x04 // Specifies how to interface Floppy Disk Drives to USB
#define MASS_SUBCLASS_OBSOLETE2 0x05 // Was SFF-8070i
#define MASS_SUBCLASS_SCSI 0x06 // SCSI Transparent Command Set
#define MASS_SUBCLASS_LSDFS 0x07 // Specifies how host has to negotiate access before trying SCSI
#define MASS_SUBCLASS_IEEE1667 0x08
// Mass Storage Class Protocols
#define MASS_PROTO_CBI 0x00 // CBI (with command completion interrupt)
#define MASS_PROTO_CBI_NO_INT 0x01 // CBI (without command completion interrupt)
#define MASS_PROTO_OBSOLETE 0x02
#define MASS_PROTO_BBB 0x50 // Bulk Only Transport
#define MASS_PROTO_UAS 0x62
// Request Codes
#define MASS_REQ_ADSC 0x00
#define MASS_REQ_GET 0xFC
#define MASS_REQ_PUT 0xFD
#define MASS_REQ_GET_MAX_LUN 0xFE
#define MASS_REQ_BOMSR 0xFF // Bulk-Only Mass Storage Reset
#define MASS_CBW_SIGNATURE 0x43425355
#define MASS_CSW_SIGNATURE 0x53425355
#define MASS_CMD_DIR_OUT (0 << 7)
#define MASS_CMD_DIR_IN (1 << 7)
#define SCSI_CMD_INQUIRY 0x12
#define SCSI_CMD_REPORT_LUNS 0xA0
#define SCSI_CMD_REQUEST_SENSE 0x03
#define SCSI_CMD_FORMAT_UNIT 0x04
#define SCSI_CMD_READ_6 0x08
#define SCSI_CMD_READ_10 0x28
#define SCSI_CMD_READ_CAPACITY_10 0x25
#define SCSI_CMD_TEST_UNIT_READY 0x00
#define SCSI_CMD_WRITE_6 0x0A
#define SCSI_CMD_WRITE_10 0x2A
#define SCSI_CMD_MODE_SENSE_6 0x1A
#define SCSI_CMD_MODE_SENSE_10 0x5A
#define SCSI_CMD_START_STOP_UNIT 0x1B
#define SCSI_S_NOT_READY 0x02
#define SCSI_S_MEDIUM_ERROR 0x03
#define SCSI_S_ILLEGAL_REQUEST 0x05
#define SCSI_S_UNIT_ATTENTION 0x06
#define SCSI_ASC_MEDIUM_NOT_PRESENT 0x3A
#define SCSI_ASC_LBA_OUT_OF_RANGE 0x21
#define MASS_ERR_SUCCESS 0x00
#define MASS_ERR_PHASE_ERROR 0x02
#define MASS_ERR_UNIT_NOT_READY 0x03
#define MASS_ERR_UNIT_BUSY 0x04
#define MASS_ERR_STALL 0x05
#define MASS_ERR_CMD_NOT_SUPPORTED 0x06
#define MASS_ERR_INVALID_CSW 0x07
#define MASS_ERR_NO_MEDIA 0x08
#define MASS_ERR_BAD_LBA 0x09
#define MASS_ERR_DEVICE_DISCONNECTED 0x11
#define MASS_ERR_UNABLE_TO_RECOVER 0x12 // Reset recovery error
#define MASS_ERR_INVALID_LUN 0x13
#define MASS_ERR_GENERAL_SCSI_ERROR 0xFE
#define MASS_ERR_GENERAL_USB_ERROR 0xFF
#define MASS_ERR_USER 0xA0 // For subclasses to define their own error codes
#define MASS_TRANS_FLG_CALLBACK 0x01 // Callback is involved
#define MASS_TRANS_FLG_NO_STALL_CHECK 0x02 // STALL condition is not checked
#define MASS_TRANS_FLG_NO_PHASE_CHECK 0x04 // PHASE_ERROR is not checked
struct Capacity {
uint8_t data[8];
//uint32_t dwBlockAddress;
//uint32_t dwBlockLength;
}__attribute__((packed));
struct InquiryResponse {
uint8_t DeviceType : 5;
uint8_t PeripheralQualifier : 3;
unsigned Reserved : 7;
unsigned Removable : 1;
uint8_t Version;
unsigned ResponseDataFormat : 4;
unsigned Reserved2 : 1;
unsigned NormACA : 1;
unsigned TrmTsk : 1;
unsigned AERC : 1;
uint8_t AdditionalLength;
uint8_t Reserved3[2];
unsigned SoftReset : 1;
unsigned CmdQue : 1;
unsigned Reserved4 : 1;
unsigned Linked : 1;
unsigned Sync : 1;
unsigned WideBus16Bit : 1;
unsigned WideBus32Bit : 1;
unsigned RelAddr : 1;
uint8_t VendorID[8];
uint8_t ProductID[16];
uint8_t RevisionID[4];
}__attribute__((packed));
struct CommandBlockWrapperBase {
uint32_t dCBWSignature;
uint32_t dCBWTag;
uint32_t dCBWDataTransferLength;
uint8_t bmCBWFlags;
}__attribute__((packed));
struct CommandBlockWrapper : public CommandBlockWrapperBase {
struct {
uint8_t bmCBWLUN : 4;
uint8_t bmReserved1 : 4;
};
struct {
uint8_t bmCBWCBLength : 4;
uint8_t bmReserved2 : 4;
};
uint8_t CBWCB[16];
}__attribute__((packed));
struct CommandStatusWrapper {
uint32_t dCSWSignature;
uint32_t dCSWTag;
uint32_t dCSWDataResidue;
uint8_t bCSWStatus;
}__attribute__((packed));
struct RequestSenseResponce {
uint8_t bResponseCode;
uint8_t bSegmentNumber;
uint8_t bmSenseKey : 4;
uint8_t bmReserved : 1;
uint8_t bmILI : 1;
uint8_t bmEOM : 1;
uint8_t bmFileMark : 1;
uint8_t Information[4];
uint8_t bAdditionalLength;
uint8_t CmdSpecificInformation[4];
uint8_t bAdditionalSenseCode;
uint8_t bAdditionalSenseQualifier;
uint8_t bFieldReplaceableUnitCode;
uint8_t SenseKeySpecific[3];
}__attribute__((packed));
#define MASS_MAX_ENDPOINTS 3
class BulkOnly : public USBDeviceConfig, public UsbConfigXtracter {
protected:
static const uint8_t epDataInIndex; // DataIn endpoint index
static const uint8_t epDataOutIndex; // DataOUT endpoint index
static const uint8_t epInterruptInIndex; // InterruptIN endpoint index
USB *pUsb;
uint8_t bAddress;
uint8_t bConfNum; // configuration number
uint8_t bIface; // interface value
uint8_t bNumEP; // total number of EP in the configuration
uint32_t qNextPollTime; // next poll time
bool bPollEnable; // poll enable flag
EpInfo epInfo[MASS_MAX_ENDPOINTS];
uint32_t dCBWTag; // Tag
uint32_t dCBWDataTransferLength; // Data Transfer Length
uint8_t bLastUsbError; // Last USB error
uint8_t bMaxLUN; // Max LUN
uint8_t bTheLUN; // Active LUN
protected:
void PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr);
bool IsValidCBW(uint8_t size, uint8_t *pcbw);
bool IsMeaningfulCBW(uint8_t size, uint8_t *pcbw);
bool IsValidCSW(CommandStatusWrapper *pcsw, CommandBlockWrapperBase *pcbw);
uint8_t ClearEpHalt(uint8_t index);
uint8_t Transaction(CommandBlockWrapper *cbw, uint16_t bsize, void *buf, uint8_t flags);
uint8_t HandleUsbError(uint8_t error, uint8_t index);
uint8_t HandleSCSIError(uint8_t status);
public:
BulkOnly(USB *p);
uint8_t GetLastUsbError() {
return bLastUsbError;
};
uint8_t GetbMaxLUN() {
return bMaxLUN; // Max LUN
}
uint8_t GetbTheLUN() {
return bTheLUN; // Active LUN
}
uint8_t Reset();
uint8_t GetMaxLUN(uint8_t *max_lun);
uint8_t SetCurLUN(uint8_t lun);
uint8_t ResetRecovery();
uint8_t Inquiry(uint8_t lun, uint16_t size, uint8_t *buf);
uint8_t TestUnitReady(uint8_t lun);
uint8_t ReadCapacity(uint8_t lun, uint16_t size, uint8_t *buf);
uint8_t RequestSense(uint8_t lun, uint16_t size, uint8_t *buf);
uint8_t ModeSense(uint8_t lun, uint8_t pc, uint8_t page, uint8_t subpage, uint8_t len, uint8_t *buf);
uint8_t MediaCTL(uint8_t lun, uint8_t ctl);
uint8_t Read(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t blocks, uint8_t *buf);
uint8_t Read(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t blocks, USBReadParser *prs);
uint8_t Write(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t blocks, const uint8_t *buf);
// USBDeviceConfig implementation
virtual uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
virtual uint8_t Release();
virtual uint8_t Poll();
virtual uint8_t GetAddress() {
return bAddress;
};
// UsbConfigXtracter implementation
virtual void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep);
protected:
// Additional Initialization Method for Subclasses
virtual uint8_t OnInit() {
return 0;
};
};
#endif // __MASSTORAGE_H__
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