MBFBComm [LJM User's Guide]

Sends a Feedback command and receives a Feedback response, parsing the response for obvious errors. The Feedback command may be generated using LJM_AddressesToMBFB and the Feedback response may be parsed with the LJM_UpdateValues function.

Syntax

LJM_ERROR_RETURN LJM_MBFBComm(
int Handle,
unsigned char UnitID,
unsigned char * aMBFB,
int * ErrorAddress)

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.

UnitID [in]

The ID of the specific unit that the Feedback command should be sent to. Use LJM_DEFAULT_UNIT_ID (1) unless the device documentation instructs otherwise.

aMBFB [in/out]

As an input parameter, it is a valid Feedback command, which may be generated using LJM_AddressesToMBFB.

As an output parameter, it is a Feedback response, which may be an error response.

ErrorAddress [out]

If error, the address responsible for causing an error.

Returns

LJM errorcodes or 0 for no error.

Remarks

LJM_MBFBComm provides device synchronization within LJM.

Examples

Please see the Low-level Feedback Functions overview page for an example.