mainloop.h

Six objects here: The document you re reading & its Chinese version Set of "HWDesign" includes

/*
   //*************************************************************************
   // 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;	/*  N/A  */
		unsigned char in_isr		      	: 1;	// ISR is not reenter
		unsigned char control_state			: 2;	// 0:idle	1:transmit	2:receive

		unsigned char configuration			: 1;	// 0:non-config	1:configed
		unsigned char verbose				: 1;	/*  N/A  */
		unsigned char ep1_rxdone			: 1;
		unsigned char ep2_rxdone			: 1;
		unsigned char ep1buf_full			: 1;
		unsigned char ep2buf_full			: 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;

#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
   //*************************************************************************
*/

void fn_usb_isr();

extern void suspend_change(void);
extern void stall_ep0(void);
extern void disconnect_USB(void);
extern void connect_USB(void);
extern void reconnect_USB(void);
extern void init_unconfig(void);
extern void init_config(void);
extern void single_transmit(unsigned char * pData, unsigned char len);
extern void code_transmit(unsigned char code * pRomData, unsigned short len);

extern void control_handler();
extern void check_key_LED(void);
extern void setup_dma();

void dma_start(PIO_REQUEST);

#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 LED1		1
#define LED2		2
#define LED3		3
#define LED4		4
//#define LED5		5
//#define LED6		6
//#define LED7		7
//#define LED8		8

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;