usbcomm.h

蓝牙芯片ZV4301的调试工具源码.做蓝牙产品时很有参考价值内部有串口的编程序源码,对有串口编成需求的同志有参考价值.

//===========================================================================
// USB Communications
//
// A class wrapper around the USB functions in WinRT for USB to support
// the Zeevo Bluetooth device.
//

//---------------------------------------------------------------------------
#ifndef USBCommH
#define USBCommH

#include "WinRTUsbCtl.h"

//---------------------------------------------------------------------------
// DATA

const int MAX_USB_DEVICES = 4;
const int MAX_USB_EVENT_SIZE = 256;
const int MAX_USB_ACL_SIZE = 1360;

// Parameters to select SCO channel configuration
enum tScoCapacity {
	ONEVOICE8,
	TWOVOICE8_ONEVOICE16,
	THREEVOICE8,
	TWOVOICE16,
	THREEVOICE16
};

//---------------------------------------------------------------------------
//Added By Melvin
typedef void(*ZV_USB_CLOSE)(void);


// USB Device Class

class TUsbDevice
{
private:	// User declarations
  static bool  deviceTracker[MAX_USB_DEVICES]; // Tracks device numbers used
  ULONG	       deviceNum;		       // Unique for each object
  HANDLE       deviceHandle;		       // WinRT device handle
  LONG	       savedError;
  USHORT       langID[4];

  OVERLAPPED   intEpOverlapStruct;	// Interrupt endpoint overlapped struct
  OVERLAPPED   bulkEpOverlapStruct;	// Bulk endpoint overlapped struct


  // Suppress the Copy CONSTRUCTOR
  TUsbDevice(const TUsbDevice&);

  // Suppress the Assignment CONSTRUCTOR
  TUsbDevice& operator=(const TUsbDevice&);

  // Destructor helper function from More Effective C++ Item 10.
  void cleanup(void);

  // Used to clear and restart an endpoint
  LONG clearStall(UCHAR endpoint);

public:		// User declarations

	// CONSTRUCTOR default
	TUsbDevice();

	// DESTRUCTOR default
	~TUsbDevice();

	// Used to check the result of an operation, zero = success
// Call this after instantiation or a command to get the return error code.
	LONG getDeviceStatus(void);

	// USB Specific Functions

	bool setFeature(int feature);
	bool clearFeature(int feature);

	bool enableRemoteWakeup(void);
	bool disableRemoteWakeup(void);

	bool getLanguangeInfo(void);
	bool readStrings(void);

	// Bluetooth HCI Functions

	// The following calls are all synchronous, they will not return until
	// completed.

	// Sends an HCI command to the device, returns true if successful
	bool sendHCICommand(LPVOID buffer, DWORD buffSize);

	// Polls device for an event. Buffer should be at least 256 bytes long.
	// Returns true if an event was retrieved.
  bool getHCIEvent(LPVOID buffer, DWORD& eventSize);

	// Sends an ACL packet to the device. Returns true if successful.
	// buffer can be up to 32K bytes in length.
	bool sendACLpacket(LPVOID buffer, DWORD buffSize);

	// Gets an ACL packet from the device.  bufferLen is the size of
	// of the supplied buffer. packetSize is filled with the total packet
	// size retrieved. true is returned if there was data to get.
	bool getACLpacket(LPVOID buffer, DWORD bufferLen, DWORD& packetSize);

  // SCO Channel support
	bool enableScoChannel(tScoCapacity scoCapacity);
	bool disableScoChannel(void);



  // The following are Async versions of the get functions.  They will
  // always return immediately.  If the return value is true, data is
  // available immediately.  Otherwise, the matching poll function must
  // be called to check for I/O completion.  Data is available when the
  // poll function returns true.

// Asynchronous HCI events functions
   bool getAsyncHCIEvent(LPVOID buffer, DWORD& eventSize);
   bool pollAsyncHCIEvent(DWORD& eventSize);

   // Asynchronous ACL packet functions
   bool getAsyncACLpacket(LPVOID buffer, DWORD bufferLen, DWORD& packetSize);
   bool pollAsyncACLpacket(DWORD& packetSize);
   ZV_USB_CLOSE OnClose;
};

//---------------------------------------------------------------------------
// This functions registers the handle passed to receive device change
// messages from Windows

extern BOOL		isWin98;	  // Windows version flag

HDEVNOTIFY registerForDevNotify(HWND m_hWnd);
void unregisterForDevNotify(HDEVNOTIFY notifyHandle);

void getGUID(LPGUID pGUID);
void detectWinVer(void);
bool validateZeevoIDs(char* vendorPidString);


#endif // USBCommH