AudHid.h Header File For C

// Copyright 2002 Ontrak Control Systems Incorporated
// By: John Homppi, Oct 28, 2002

#ifdef __cplusplus
extern "C"
{
#endif

typedef struct _ADU_DEVICE_ID
{
	unsigned short iVendorId;
	unsigned short iProductId;
	char	szSerialNumber[7];
} ADU_DEVICE_ID, *PADU_DEVICE_ID;

// entry points for general use

void __stdcall ShowAduDeviceList(ADU_DEVICE_ID* pAduDeviceId, 
                                 char* psPrompt);


// entry points to support the ADU Device pipe

void * __stdcall OpenAduDevice(unsigned long iTimeout);

void * __stdcall OpenAduDeviceByProductId(int iProductId, 
                                          unsigned long iTimeout);

void * __stdcall OpenAduDeviceBySerialNumber(const char* psSerialNumber,
                                             unsigned long iTimeout);

int __stdcall ReadAduDevice(void * hDevice, 
                   void * lpBuffer, 
                   unsigned long nNumberOfBytesToRead,
                   unsigned long * lpNumberOfBytesRead,
                   unsigned long iTimeout);

int __stdcall WriteAduDevice(void * hDevice, 
                   const void * lpBuffer, 
                   unsigned long nNumberOfBytesToWrite,
                   unsigned long * lpNumberOfBytesWritten,
                   unsigned long iTimeout);

void __stdcall CloseAduDevice(void * hDevice);


// entry points to support the RS232 pipe

void * __stdcall OpenAdu232(unsigned long iTimeout);

void * __stdcall OpenAdu232ByProductId(int iProductId, 
                                          unsigned long iTimeout);

void * __stdcall OpenAdu232BySerialNumber(const char* psSerialNumber,
                                             unsigned long iTimeout);

int __stdcall ReadAdu232(void * hRS232,
                   void * lpBuffer,
                   unsigned long nNumberOfBytesToRead,
                   unsigned long * lpNumberOfBytesRead,
                   unsigned long iTimeout);

int __stdcall WriteAdu232(void * hRS232, 
                   const void * lpBuffer, 
                   unsigned long nNumberOfBytesToWrite,
                   unsigned long * lpNumberOfBytesWritten,
                   unsigned long iTimeout);

void __stdcall CloseAdu232(void * hRS232);


// entry points to support the Streaming pipe

void * __stdcall OpenAduStream(unsigned long iTimeout);

void * __stdcall OpenAduStreamByProductId(int iProductId, 
                                          unsigned long iTimeout);

void * __stdcall OpenAduStreamBySerialNumber(const char* psSerialNumber,
                                             unsigned long iTimeout);

int __stdcall ReadAduStream(void * hStream,
                   void * lpBuffer,
                   unsigned long nNumberOfBytesToRead,
                   unsigned long * lpNumberOfBytesRead,
                   unsigned long iTimeout);

void __stdcall CloseAduStream(void * hStream);

#ifdef __cplusplus
}
#endif