kmain.h

USB 主循环程序!!!!!!!着部分程序和中要

// 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)

 // 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 char timer               	: 1;
		unsigned char bus_reset           	: 1;
		unsigned char suspend             	: 1;
		unsigned char setup_packet  	  	: 1;
		unsigned char remote_wakeup		: 1;
		unsigned char in_isr		      	: 1;
		unsigned char control_state	        : 2;

		unsigned char configuration		: 1;
		unsigned char verbose			: 1;
		unsigned char ep1_rxdone		: 1;
		unsigned char setup_dma			: 2; 
		unsigned char dma_state      		: 2;
		unsigned char power_down		: 1; 
	} 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;
	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		256
#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;    
	unsigned char	uSizeH;  
	unsigned char	uSizeL;   
} TWAIN_FILEINFO, *PTWAIN_FILEINFO;