2.9.2.1 - ReadRaw

Attempts to receive unaltered bytes from a device.

Syntax

LJM_ERROR_RETURN LJM_ReadRaw(
                      int Handle,
                      unsigned char * Data,
                      int NumBytes)

Parameters

Handle [in]

A device handle. The handle is a connection ID for an active device. Generate a handle with LJM_Open or LJM_OpenS.

Data [Out]

Buffer to be filled with bytes from the read

NumBytes [out]

The number of bytes that were read, or -1 for error.

Returns

LJM errorcode or 0 for no error.

Remarks

Must be used in conjunction with LJM_WriteRaw.