AOR AR2300 Operating Manual page 55

(a) OPEN DEVICE SET
Obtain device information by SetupDiGetClassDevs() API
(b) LIST AVAILABLE DEVICES
Call SetupDiEnumInterfaceDevice() API with loop.
(c) GET DEVICE PATH
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
PROPTO-TYPE
FUNCTION
STRUCTURE
NOTE
BOOL DeviceIoControl(
HANDLE hDevice,
DWORD dwIoControlCode,
LPVOID pInBuffer,
DWORD nInBufferSize
LPVOID lpOutBuffer,
DWORD nOutBufferSize,
LPDWORD lpBytesReturned,
LPOVERLAPPED lpOverlapped
);
OUTPUT TO THE END-POINT OF BULK-OUT OF AR-ALPHA
typedef struct _ALPHA_BULKOUT_PRM {
UCHAR ucEndPoint;
ULONG ulSize;
UCHAR ucaData[1];
} ALPHA_BULKOUT_PRM,
Include header : AORAlphaDD.h
ALPHA_BULKOUT
// = DEVICE HANDLE
// = ALPHA_BULKOUT
// = PALPHA_BULKOUT_PRM
// = sizeof(ALPHA_BULKOUT_PRM)-1+DATA SIZE
// = NULL
// = 0
// = POINTER
// = Overlapped POINTER
// OUTPUT END^POINT
// OUTPUT DATA SIZE (BYTE)
// OUTPUT DATA POINTER
*PALPHA_BULKOUT_PRM;
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