/*
   //*************************************************************************
   //
   //                  		ZLGMCU
   //				www.zlgmcu.com
   // File Name:	isr.h
   // Revision:		0.4(2002-07-08)
   // Author:		Liu Ying Bin
   // Use library:  USB51S.LIB
   // Note:			USB51S.LIB不帶DMA控制功能
   //*************************************************************************
   */


#ifndef __ISR_H__
#define __ISR_H__

   /*
   //*************************************************************************
   // D12控制引腳定義
   //*************************************************************************
   */

	sbit MCU_D12CS	  = P1^6;
	
	sbit MCU_D12RST   = P1^7;
	
	sbit D12SUSPD	  = P3^3;


/*
   //*************************************************************************
   // basic #defines
   //*************************************************************************
   */

#define DISABLE		EA=0
#define ENABLE		EA=1


#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 D12_NOLAZYCLOCK			0x02
#define D12_CLOCKRUNNING        0x04
#define D12_INTERRUPTMODE		0x08
#define D12_SOFTCONNECT			0x10
#define D12_ENDP_NONISO			0x00
#define D12_ENDP_ISOOUT			0x40
#define D12_ENDP_ISOIN			0x80
#define D12_ENDP_ISOIO			0xC0

#define D12_CLOCK_12M			0x03
#define D12_CLOCK_4M			0x0b
#define D12_SETTOONE            0x40
#define D12_SOFONLY				0x80

/*
   //*************************************************************************
   // 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

#define USB_ENDPOINT_DIRECTION_MASK               0x80


/*
   //*************************************************************************
   // 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 command				: 1;
		unsigned char ep1_rxdone			: 1;
		unsigned char ep2_rxdone			: 1; //Add by Liu Ying Bin
		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;

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 disconnect_USB(void);
void connect_USB(void);
void reconnect_USB(void);
void bus_reset(void);
void dma_eot(void);
void d12_suspend(void);
void ep1_txdone(void);
void ep1_rxdone(void);
void ep2_txdone(void);
void ep2_rxdone(void);

extern void GetVer(unsigned char *VerPoint);
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(void);
extern void reserved(void);
extern void fn_usb_isr(void);
extern void usbserve(void);
extern void D12_SetMode(unsigned char bConfig, unsigned char bClkDiv);
extern void D12_SetDMA(unsigned char bMode);
extern unsigned char D12_ReadLastTransactionStatus(unsigned char bEndp);
extern unsigned char D12_ReadEndpoint(unsigned char endp, unsigned char len, unsigned char * buf);
extern unsigned char D12_WriteEndpoint(unsigned char endp, unsigned char len, unsigned char * buf);

#endif