kernel32!Beep function in Matlab

Beep.m

if not(libisloaded('kernel32'))
    loadlibrary('kernel32.dll', @kernel32proto); % Cambiamos a kernel32.dll
end

frequency = uint32(750);
duration = uint32(1000);
result = calllib('kernel32', 'Beep', frequency, duration);
disp(['Beep result: ', num2str(result)]);

unloadlibrary('kernel32');

function [fcns, structs, enuminfo] = kernel32proto
    fcns = [];
    structs = [];
    enuminfo = [];
    fcns.alias = {};
    
    fcns.name{1} = 'Beep';
    fcns.calltype{1} = 'cdecl'; % Windows API usa stdcall
    fcns.LHS{1} = 'uint32';       % Retorno: BOOL (1 = éxito)
    fcns.RHS{1} = {'uint32', 'uint32'}; % Argumentos: frecuencia (DWORD), duración (DWORD)
end