main.h

u盘设计的部分原代码

/*
   //*************************************************************************
   // basic #defines
   //*************************************************************************
   */
#define MAX_ENDPOINTS      (unsigned char)0x3

//#define EP0_TX_FIFO_SIZE   16
//#define EP0_RX_FIFO_SIZE   16
#define EP0_PACKET_SIZE    16

//#define EP1_TX_FIFO_SIZE   4
//#define EP1_RX_FIFO_SIZE   4
#define EP1_PACKET_SIZE    4

//#define EP2_TX_FIFO_SIZE   64
//#define EP2_RX_FIFO_SIZE   64
#define EP2_PACKET_SIZE      64


#define USB_IDLE           0
#define USB_TRANSMIT       1
#define USB_RECEIVE        2

#define USB_CLASS_CODE_TEST_CLASS_DEVICE                    0xdc
#define USB_SUBCLASS_CODE_TEST_CLASS_D12                    0xA0
#define USB_PROTOCOL_CODE_TEST_CLASS_D12                    0xB0

/*
   //*************************************************************************
   // masks
   //*************************************************************************
*/

#define USB_RECIPIENT            (unsigned char)0x1F
#define USB_RECIPIENT_DEVICE     (unsigned char)0x00
#define USB_RECIPIENT_INTERFACE  (unsigned char)0x01
#define USB_RECIPIENT_ENDPOINT   (unsigned char)0x02

#define USB_REQUEST_TYPE_MASK    (unsigned char)0x60
#define USB_STANDARD_REQUEST     (unsigned char)0x00
//#define USB_CLASS_REQUEST        (unsigned char)0x20
#define USB_VENDOR_REQUEST       (unsigned char)0x40

#define USB_REQUEST_MASK         (unsigned char)0x0F

#define DEVICE_ADDRESS_MASK      0x7F

/*
   //*************************************************************************
   // macros
   //*************************************************************************
*/
#define SWAP(x)   ((((x) & 0xFF) << 8) | (((x) >> 8) & 0xFF))

#define MSB(x)    (((x) >> 8) & 0xFF)
#define LSB(x)    ((x) & 0xFF)

#define FALSE   0
#define TRUE    (!FALSE)

#define DISABLE		CLI()
#define ENABLE		SEI()
/*
   //*************************************************************************
   // basic typedefs
   //*************************************************************************
*/
typedef unsigned char   UCHAR;
typedef unsigned short  USHORT;
typedef unsigned long   ULONG;
typedef unsigned char   BOOL;

/*
   //*************************************************************************
   // structure and union definitions
   //*************************************************************************
*/
typedef union _epp_flags
{
	struct _flags
	{
		unsigned  bus_reset           	: 1;
		unsigned  suspend             	: 1;
		unsigned  setup_packet  	  	: 1;
		unsigned  remote_wakeup		   	: 1;
		unsigned  in_isr		      	: 1;
		unsigned  control_state			: 2;
		unsigned  configuration			: 1;
		
		unsigned  ep1_rxdone			: 1;
		unsigned  ep1_txdone            : 1;
		unsigned  ep1buf_full           : 1;
		unsigned  rom_state      		: 1;
		unsigned  power_down			: 1; // Smart Board
		unsigned  main_rxdone          	: 1;
		unsigned  main_txdone			: 1;		
		unsigned  mainbuf_full          : 1;
		
		unsigned  bulk_state            : 3;	
		unsigned  reserved              : 5;  	
	} bits;
	unsigned short value;
} EPPFLAGS;

typedef struct _device_request
{
	unsigned char bmRequestType;
	unsigned char bRequest;
	unsigned short wValue;
	unsigned short wIndex;
	unsigned short wLength;
} DEVICE_REQUEST;

typedef struct _IO_REQUEST {
	unsigned short	uAddressL;
	unsigned char	bAddressH;
	unsigned short	uSize;
	unsigned char	bCommand;
} IO_REQUEST, *PIO_REQUEST;

#define MAX_CONTROLDATA_SIZE	8

typedef struct _control_xfer
{
	DEVICE_REQUEST DeviceRequest;
	unsigned short wLength;
	unsigned short wCount;
	unsigned char * pData;
    const unsigned char * pCData;   
	unsigned char dataBuffer[MAX_CONTROLDATA_SIZE];
} CONTROL_XFER;

/*
   //*************************************************************************
   // USB utility functions
   //*************************************************************************
*/
//extern void D12_SetMode(unsigned char bConfig, unsigned char bClkDiv);
//extern void D12_SetDMA(unsigned char bMode);
//extern unsigned char D12_GetDMA(void);
//extern unsigned char D12_ReadEndpointStatus(unsigned char bEndp);
//extern void D12_SetEndpointStatus(unsigned char bEndp, unsigned char bStalled);
//extern void single_transmit(unsigned char * pData, unsigned char len);
//extern void stall_ep0(void);
//void D12_SendResume(void);

//#define IN_TOKEN_DMA 	1
//#define OUT_TOKEN_DMA 	0

#define DMA_BUFFER_SIZE		16000
#define DMA_IDLE	0
#define DMA_RUNNING	1
#define DMA_PENDING	2

#define SETUP_DMA_REQUEST 		0x0471
#define GET_FIRMWARE_VERSION    0x0472
//#define GET_SET_TWAIN_REQUEST   0x0473
#define GET_BUFFER_SIZE		    0x0474
/*
typedef struct _TWAIN_FILEINFO {
	unsigned char	bPage;    // bPage bit 7 - 5 map to uSize bit 18 - 16
	unsigned char	uSizeH;    // uSize bit 15 - 8
	unsigned char	uSizeL;    // uSize bit 7 - 0
} TWAIN_FILEINFO, *PTWAIN_FILEINFO;
*/