AOR AR2300 Specifications download pdf (Page 57)

5.2.4 ALPHA_STOP_CAPTURE

CONTROL

CODE

ALPHA_STOP_CAPTURE

PROTO-TYPE

BOOL DeviceIoControl(

HANDLE hDevice, // = DEVICE HANDLE

DWORD dwIoControlCode, // = ALPHA_STOP_CAPTURE

LPVOID lpInBuffer, // = PALPHA_CAPTURE_PRM

DWORD nInBufferSize, // = sizeof(ALPHA_CAPTURE_PRM)

LPVOID lpOutBuffer, // = NULL

DWORD nOutBufferSize, // =0

LPDWORD lpBytesReturned, // = POINTER FOR VARIABLES TO RECEIVE

TRANSFER BYTE.

LPOVERLAPPED lpOverlapped // = Overlapped POINTER

);

FUNCTION

Start data acquisition from the end-point of ISOCHRONOUS-IN of the

AR-ALPHA.

STRUCTURER

typedef struct _ALPHA_CAPTURE_PRM {

UCHAR ucIsoInEndPoint; // DATA END-POINT

} ALPHA_CAPTURE_PRM, *PALPHA_CAPTURE_PRM;

REMARK

INCLUDE HEADER AORAlphaDD.h

APPLICATION NOTE

CALLING PROCEDURE

Typical driver calling procedure is as follows:

Opening DRIVER Get the device handle through CreatFile API.

Starting isochronous reception DeviceIoControl API(ALPHA_START_CAPTURE)

Capturer Start Send DeviceIoControl API(ALPHA_BULKOUT)

Acquiring Captured Data Call ReadFile API to acquire captured data

Capturer End Send DeviceIoControl API(ALPHA_BULKOUT)

Ending isochronous reception DeviceIoControl API(ALPHA_STOP_CAPTURE)

Closing Device CloseHandle() API to close device

NOTE:; Set size above 512x3x1024 to read with ReadFile()

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AOR AR2300 Specifications Page 57