Reply To: BB60C matlab bbgetiq.m example code

[jgauthier]

Back at it after a week’s vacation…

I realized I was calling libpointer with the wrong parameters, so I changed it to:

triggerCount = int32(70); % size of the trigger array (32-bit int)
                                  % from SDK example "iq_external_trigger.cpp"
        triggerArray = 0:0:triggerCount; % array where we'll store trigger events...
        triggers = libpointer('int32', triggerArray); % pointer to array of 32-bit ints
...
status = calllib('bb_api','bbGetIQUnpacked',handle,iqarrayptr,iqcountint,triggers,triggerCount,purgearg,nullptr,nullptr,nullptr,nullptr);

I still get an error, but it’s

Parameter must be scalar.

Error in libpointer (line 21)
 ptr=lib.pointer(varargin{:});

Error in bbgetiq (line 67)
        triggers = libpointer('int32', triggerArray); % pointer to array of 32-bit ints

Are there any working examples of calling that C-library function from MATLAB? I’m stumped.