USB_Host_Shield_2.0/masstorage.h
2011-06-05 21:22:39 -06:00

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2.7 KiB
C++

#if !defined(__MASSTORAGE_H__)
#define __MASSTORAGE_H__
#include <inttypes.h>
#include <avr/pgmspace.h>
#include "avrpins.h"
#include "max3421e.h"
#include "usbhost.h"
#include "usb_ch9.h"
#include "Usb.h"
#include <WProgram.h>
#include "..\DebugTools\printhex.h"
#include "..\DebugTools\hexdump.h"
#include "..\DebugTools\message.h"
#include "confdescparser.h"
//#define bmREQ_CDCOUT USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE
//#define bmREQ_CDCIN 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_CBS_SIGNATURE 0x53425355
struct CommandBlockWrapper
{
uint32_t dCBWSignature;
uint32_t dCBWTag;
uint32_t dCBWDataTransferLength;
uint8_t bmCBWFlags;
struct
{
uint8_t bCBWLUN : 4;
uint8_r bReserved1 : 4;
};
struct
{
uint8_t bCBWCBLength : 4;
uint8_t bReserved2 : 4;
};
uint8_t CBWCB[16];
};
struct CommandStatusWrapper
{
uint32_t dCSWSignature;
uint32_t dCSWTag;
uint32_t dCSWDataResidue;
uint8_t bCSWStatus;
};
class BulkOnly : public USBDeviceConfig, public UsbConfigXtracter
{
public:
uint8_t Reset();
uint8_t GetMaxLun(uint8_t *max_lun);
uint8_t ResetRecovery();
// 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);
};
#endif // __MASSTORAGE_H__