mainloop.h

是关于pdiusbd12完整固件程序代码

	/*
	   //*************************************************************************
	   //
	   //                  P H I L I P S   P R O P R I E T A R Y
	   //
	   //           COPYRIGHT (c)   1997 BY PHILIPS SINGAPORE.
	   //                     --  ALL RIGHTS RESERVED  --
	   //
	   // File Name:        MAINLOOP.H
	   // Author:           Wenkai Du
	   // Created:          19 Dec 97
	   // Modified:
	   // Revision: 		2.3
	   //
	   //*************************************************************************
	   //
	   // 98/11/25			Added DMA disable bit. (WK)
	   // 99/02/10			bEPPflag.bits.setup_dma changed to 2 bits. (WK)
	   //*************************************************************************
	   */


	#ifndef __MAINLOOP_H__
	#define __MAINLOOP_H__


	/*
	   //*************************************************************************
	   // 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   16
	#define EP1_RX_FIFO_SIZE   16
	#define EP1_PACKET_SIZE    16

	#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; // V2.3
			unsigned char dma_state      		: 2;
			unsigned char power_down			: 1; // Smart Board
		} 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
	   //*************************************************************************
	*/

	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 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;

	#endif