AOR AR2300 Spezifikationen PDF herunterladen (Seite 55)

(a) OPEN DEVICE SET

Obtain device information by SetupDiGetClassDevs() API

(b) LIST AVAILABLE DEVICES

Call SetupDiEnumInterfaceDevice() API with loop.

detailData (Device Infromation of Structurer) ->devicePath (Set member)

(d) OPENNING DEVICE THAT HAS ACQUIRED

It can be opened by CreateFile() API

The GUID of the driver is defined under GUID_CLASS_ALPHA of the included file of AORAlphaDD.h

5.2 FUNCTIONS REFERENCE

The following table describes the functions and arguments in DeviceIoControl()API that are

unique to the AR-ALPHA client driver. The structure and control code described here are

defined in the AORAlphaDD.h.

NOTE: Receiving the Isochronous data is handled by ReadFile()API.

5.2.1 ALPHA_BULKOUT

CONTROL

CODE

ALPHA_BULKOUT

PROPTO-TYPE

BOOL DeviceIoControl(

HANDLE hDevice, // = DEVICE HANDLE

DWORD dwIoControlCode, // = ALPHA_BULKOUT

LPVOID pInBuffer, // = PALPHA_BULKOUT_PRM

DWORD nInBufferSize // = sizeof(ALPHA_BULKOUT_PRM)-1+DATA SIZE

LPVOID lpOutBuffer, // = NULL

DWORD nOutBufferSize, // = 0

LPDWORD lpBytesReturned, // = POINTER

LPOVERLAPPED lpOverlapped // = Overlapped POINTER

);

FUNCTION

OUTPUT TO THE END-POINT OF BULK-OUT OF AR-ALPHA

STRUCTURE

typedef struct _ALPHA_BULKOUT_PRM {

UCHAR ucEndPoint; // OUTPUT END^POINT

ULONG ulSize; // OUTPUT DATA SIZE (BYTE)

UCHAR ucaData[1]; // OUTPUT DATA POINTER

} ALPHA_BULKOUT_PRM, *PALPHA_BULKOUT_PRM;

NOTE

Include header : AORAlphaDD.h

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AOR AR2300 Spezifikationen Seite 55