mirror of
https://github.com/felis/USB_Host_Shield_2.0.git
synced 2024-03-22 11:31:26 +01:00
252 lines
7 KiB
C++
252 lines
7 KiB
C++
#if !defined(__MASSTORAGE_H__)
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#define __MASSTORAGE_H__
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#include <inttypes.h>
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#include <avr/pgmspace.h>
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#include "avrpins.h"
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#include "max3421e.h"
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#include "usbhost.h"
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#include "usb_ch9.h"
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#include "Usb.h"
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#if defined(ARDUINO) && ARDUINO >=100
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#include "Arduino.h"
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#else
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#include <WProgram.h>
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#endif
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#include "printhex.h"
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#include "hexdump.h"
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#include "message.h"
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#include "confdescparser.h"
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#define SWAP(a, b) (((a) ^= (b)), ((b) ^= (a)), ((a) ^= (b)))
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#define bmREQ_MASSOUT USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE
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#define bmREQ_MASSIN USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE
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// Mass Storage Subclass Constants
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#define MASS_SUBCLASS_SCSI_NOT_REPORTED 0x00 // De facto use
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#define MASS_SUBCLASS_RBC 0x01
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#define MASS_SUBCLASS_ATAPI 0x02 // MMC-5 (ATAPI)
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#define MASS_SUBCLASS_OBSOLETE1 0x03 // Was QIC-157
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#define MASS_SUBCLASS_UFI 0x04 // Specifies how to interface Floppy Disk Drives to USB
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#define MASS_SUBCLASS_OBSOLETE2 0x05 // Was SFF-8070i
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#define MASS_SUBCLASS_SCSI 0x06 // SCSI Transparent Command Set
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#define MASS_SUBCLASS_LSDFS 0x07 // Specifies how host has to negotiate access before trying SCSI
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#define MASS_SUBCLASS_IEEE1667 0x08
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// Mass Storage Class Protocols
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#define MASS_PROTO_CBI 0x00 // CBI (with command completion interrupt)
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#define MASS_PROTO_CBI_NO_INT 0x01 // CBI (without command completion interrupt)
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#define MASS_PROTO_OBSOLETE 0x02
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#define MASS_PROTO_BBB 0x50 // Bulk Only Transport
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#define MASS_PROTO_UAS 0x62
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// Request Codes
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#define MASS_REQ_ADSC 0x00
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#define MASS_REQ_GET 0xFC
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#define MASS_REQ_PUT 0xFD
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#define MASS_REQ_GET_MAX_LUN 0xFE
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#define MASS_REQ_BOMSR 0xFF // Bulk-Only Mass Storage Reset
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#define MASS_CBW_SIGNATURE 0x43425355
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#define MASS_CSW_SIGNATURE 0x53425355
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#define MASS_CMD_DIR_OUT (0 << 7)
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#define MASS_CMD_DIR_IN (1 << 7)
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#define SCSI_CMD_INQUIRY 0x12
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#define SCSI_CMD_REPORT_LUNS 0xA0
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#define SCSI_CMD_REQUEST_SENSE 0x03
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#define SCSI_CMD_FORMAT_UNIT 0x04
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#define SCSI_CMD_READ_6 0x08
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#define SCSI_CMD_READ_10 0x28
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#define SCSI_CMD_READ_CAPACITY_10 0x25
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#define SCSI_CMD_TEST_UNIT_READY 0x00
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#define SCSI_CMD_WRITE_6 0x0A
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#define SCSI_CMD_WRITE_10 0x2A
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#define SCSI_CMD_MODE_SENSE_6 0x1A
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#define SCSI_CMD_MODE_SENSE_10 0x5A
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#define MASS_ERR_SUCCESS 0x00
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#define MASS_ERR_PHASE_ERROR 0x01
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#define MASS_ERR_DEVICE_DISCONNECTED 0x11
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#define MASS_ERR_UNABLE_TO_RECOVER 0x12 // Reset recovery error
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#define MASS_ERR_GENERAL_USB_ERROR 0xFF
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#define MASS_TRANS_FLG_CALLBACK 0x01 // Callback is involved
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#define MASS_TRANS_FLG_NO_STALL_CHECK 0x02 // STALL condition is not checked
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#define MASS_TRANS_FLG_NO_PHASE_CHECK 0x04 // PHASE_ERROR is not checked
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struct Capacity
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{
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uint8_t data[8];
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//uint32_t dwBlockAddress;
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//uint32_t dwBlockLength;
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};
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struct InquiryResponse
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{
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uint8_t DeviceType : 5;
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uint8_t PeripheralQualifier : 3;
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unsigned Reserved : 7;
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unsigned Removable : 1;
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uint8_t Version;
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unsigned ResponseDataFormat : 4;
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unsigned Reserved2 : 1;
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unsigned NormACA : 1;
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unsigned TrmTsk : 1;
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unsigned AERC : 1;
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uint8_t AdditionalLength;
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uint8_t Reserved3[2];
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unsigned SoftReset : 1;
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unsigned CmdQue : 1;
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unsigned Reserved4 : 1;
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unsigned Linked : 1;
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unsigned Sync : 1;
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unsigned WideBus16Bit : 1;
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unsigned WideBus32Bit : 1;
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unsigned RelAddr : 1;
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uint8_t VendorID[8];
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uint8_t ProductID[16];
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uint8_t RevisionID[4];
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};
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struct CommandBlockWrapper
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{
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uint32_t dCBWSignature;
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uint32_t dCBWTag;
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uint32_t dCBWDataTransferLength;
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uint8_t bmCBWFlags;
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struct
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{
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uint8_t bmCBWLUN : 4;
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uint8_t bmReserved1 : 4;
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};
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struct
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{
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uint8_t bmCBWCBLength : 4;
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uint8_t bmReserved2 : 4;
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};
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uint8_t CBWCB[16];
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} ;
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struct CommandStatusWrapper
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{
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uint32_t dCSWSignature;
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uint32_t dCSWTag;
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uint32_t dCSWDataResidue;
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uint8_t bCSWStatus;
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};
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struct RequestSenseResponce
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{
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uint8_t bResponseCode;
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uint8_t bSegmentNumber;
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uint8_t bmSenseKey : 4;
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uint8_t bmReserved : 1;
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uint8_t bmILI : 1;
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uint8_t bmEOM : 1;
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uint8_t bmFileMark : 1;
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uint8_t Information[4];
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uint8_t bAdditionalLength;
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uint8_t CmdSpecificInformation[4];
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uint8_t bAdditionalSenseCode;
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uint8_t bAdditionalSenseQualifier;
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uint8_t bFieldReplaceableUnitCode;
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uint8_t SenseKeySpecific[3];
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};
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//class BulkReadParser : public USBReadParser
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//{
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//protected:
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// bool IsValidCSW(uint8_t size, uint8_t *pcsw);
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// bool IsMeaningfulCSW(uint8_t size, uint8_t *pcsw);
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//
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//public:
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// virtual void Parse(const uint16_t len, const uint8_t *pbuf, const uint16_t &offset) = 0;
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//};
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#define MASS_MAX_ENDPOINTS 3
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class BulkOnly : public USBDeviceConfig, public UsbConfigXtracter
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{
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protected:
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static const uint8_t epDataInIndex; // DataIn endpoint index
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static const uint8_t epDataOutIndex; // DataOUT endpoint index
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static const uint8_t epInterruptInIndex; // InterruptIN endpoint index
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USB *pUsb;
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uint8_t bAddress;
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uint8_t bConfNum; // configuration number
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uint8_t bIface; // interface value
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uint8_t bNumEP; // total number of EP in the configuration
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uint32_t qNextPollTime; // next poll time
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bool bPollEnable; // poll enable flag
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EpInfo epInfo[MASS_MAX_ENDPOINTS];
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uint32_t dCBWTag; // Tag
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uint32_t dCBWDataTransferLength; // Data Transfer Length
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uint8_t bMaxLUN; // Max LUN
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uint8_t bLastUsbError; // Last USB error
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protected:
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//union TransFlags
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//{
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// uint8_t nValue;
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// struct {
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// uint8_t bmCallback : 1;
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// uint8_t bmCheckPhaseErr : 1;
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// uint8_t bmDummy : 6;
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// };
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//};
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void PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr);
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bool IsValidCBW(uint8_t size, uint8_t *pcbw);
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bool IsMeaningfulCBW(uint8_t size, uint8_t *pcbw);
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uint8_t ClearEpHalt(uint8_t index);
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uint8_t Transaction(CommandBlockWrapper *cbw, uint16_t bsize, void *buf, uint8_t flags);
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uint8_t HandleUsbError(uint8_t index);
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public:
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BulkOnly(USB *p);
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uint8_t GetLastUsbError() { return bLastUsbError; };
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uint8_t Reset();
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uint8_t GetMaxLUN(uint8_t *max_lun);
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uint8_t ResetRecovery();
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uint8_t Inquiry(uint8_t lun, uint16_t size, uint8_t *buf);
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uint8_t TestUnitReady(uint8_t lun);
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uint8_t ReadCapacity(uint8_t lun, uint16_t size, uint8_t *buf);
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uint8_t RequestSense(uint8_t lun, uint16_t size, uint8_t *buf);
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//uint8_t Read(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t *buf);
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uint8_t Read(uint8_t lun, uint32_t addr, uint16_t bsize, USBReadParser *prs);
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// USBDeviceConfig implementation
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virtual uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
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virtual uint8_t Release();
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virtual uint8_t Poll();
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virtual uint8_t GetAddress() { return bAddress; };
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// UsbConfigXtracter implementation
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virtual void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep);
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};
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#endif // __MASSTORAGE_H__
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