usb_api.h

上位机与下位机的USB通讯

//*****************************************************************************
// (c) 2005 Silicon Laboratories, Inc.
// http://www.silabs.com/mcu
//-----------------------------------------------------------------------------
// Filename  : USB_API.h
// Project   : USBXpress Firmware Library
// Target    : C8051F320/1/6/7, 'F340/1/2/3/4/5/6/7
// Tool Chain: Keil
// Version   : 3.0
// Build Date: 06JUL2006
//-----------------------------------------------------------------------------
// Revision History:
// =Rev3.0 (PKC-20APR2006)
//  -No changes; version number incremented to match project version
// =Rev2.4 (PKC-06DEC2005)
//  -Added function USB_Get_Library_Version
// =Rev2.3 (PKC)
//  -No changes; version number incremented to match project version
// =Rev2.2 (PKC-17MAR2005)
//  -Added file description header
//  -Added new function declaration - USB_Clock_Start()
//-----------------------------------------------------------------------------
// Description:
//  Header file for the USBXpress firmware library. Includes function 
//  prototypes, type definitions, and function return value macro definitions.
//*****************************************************************************

#ifndef  _USB_API_H_
#define  _USB_API_H_

// UINT type definition
#ifndef _UINT_DEF_
#define _UINT_DEF_
typedef unsigned int UINT;
#endif  /* _UINT_DEF_ */

// BYTE type definition
#ifndef _BYTE_DEF_
#define _BYTE_DEF_
typedef unsigned char BYTE;
#endif   /* _BYTE_DEF_ */

// Get_Interrupt_Source() return value bit masks
// Note: More than one bit can be set at the same time.
#define	USB_RESET		0x01  // USB Reset Interrupt has occurred
#define	TX_COMPLETE		0x02  // Transmit Complete Interrupt has occurred
#define	RX_COMPLETE		0x04  // Receive Complete Interrupt has occurred
#define	FIFO_PURGE		0x08  // Command received (and serviced) from the host 
                              // to purge the USB buffers
#define	DEVICE_OPEN		0x10  // Device Instance Opened on host side
#define	DEVICE_CLOSE	0x20  // Device Instance Closed on host side
#define	DEV_CONFIGURED	0x40  // Device has entered configured state
#define	DEV_SUSPEND		0x80  // USB suspend signaling present on bus

// Function prototypes
void  USB_Clock_Start(void) large;
void  USB_Init(UINT,UINT,BYTE*,BYTE*,BYTE*,BYTE,BYTE,UINT) large;        
UINT	Block_Write(BYTE*, UINT) large;
BYTE	Block_Read(BYTE*, BYTE) large;
BYTE	Get_Interrupt_Source(void) large;
void	USB_Int_Enable(void) large;
void	USB_Int_Disable(void) large;
void	USB_Disable(void) large;
void	USB_Suspend(void) large;
UINT  USB_Get_Library_Version(void) large;

#endif  /* _USB_API	_H_ */