函数设置(block) % Simulink引擎传递一个金宝appSimulink实例。MSFcnRunTimeBlock %类在输入参数“block”中设置方法。这被称为s -函数块的运行时对象。根据S-function %参数值注册原始输入端口数try %在try/catch中封装，如果没有输入S-function参数lowMode = block.DialogPrm(1).Data;upMode = block.DialogPrm(3).Data;numInPorts = 1 + isequal(lowMode,3) + isequal(upMode,3);抓住numInPorts = 1;结束%尝试/捕获块。NumInputPorts = numInPorts;块。NumOutputPorts = 1; % Setup port properties to be inherited or dynamic block.SetPreCompInpPortInfoToDynamic; block.SetPreCompOutPortInfoToDynamic; % Override input port properties block.InputPort(1).DatatypeID = 0; % double block.InputPort(1).Complexity = 'Real'; % Override output port properties block.OutputPort(1).DatatypeID = 0; % double block.OutputPort(1).Complexity = 'Real'; % Register parameters. In order: % -- If the upper bound is off (1) or on and set via a block parameter (2) % or input signal (3) % -- The upper limit value. Should be empty if the upper limit is off or % set via an input signal % -- If the lower bound is off (1) or on and set via a block parameter (2) % or input signal (3) % -- The lower limit value. Should be empty if the lower limit is off or % set via an input signal block.NumDialogPrms = 4; block.DialogPrmsTunable = {'Nontunable','Tunable','Nontunable', ... 'Tunable'}; % Register continuous sample times [0 offset] block.SampleTimes = [0 0]; %% ----------------------------------------------------------------- %% Options %% ----------------------------------------------------------------- % Specify if Accelerator should use TLC or call back into % MATLAB script block.SetAccelRunOnTLC(false); %% ----------------------------------------------------------------- %% Register methods called during update diagram/compilation %% ----------------------------------------------------------------- block.RegBlockMethod('CheckParameters', @CheckPrms); block.RegBlockMethod('ProcessParameters', @ProcessPrms); block.RegBlockMethod('PostPropagationSetup', @DoPostPropSetup); block.RegBlockMethod('Outputs', @Outputs); block.RegBlockMethod('Terminate', @Terminate); %end setup function

function CheckPrms(block) lowMode = block. dialogprm (1).Data;lowVal = block.DialogPrm(2).Data;upMode = block.DialogPrm(3).Data;upVal = block.DialogPrm(4).Data;如果~any(upMode ==[1 2 3])，第一个和第三个对话框参数的值必须为1-3;error('第一个对话框参数必须是1、2或3');end if ~any(lowMode == [1 2 3]);error('第一个对话框参数必须是1、2或3');如果通过对话框指定了上限或下限，请确保%是指定的上限。此外，如果isequal(upMode,2)，检查值类型为double，如果为空(upVal)，错误('输入一个值为最高饱和极限。'); end if ~strcmp(class(upVal), 'double') error('The upper saturation limit must be of type double.'); end end if isequal(lowMode,2), if isempty(lowVal), error('Enter a value for the lower saturation limit.'); end if ~strcmp(class(lowVal), 'double') error('The lower saturation limit must be of type double.'); end end % If a lower and upper limit are specified, make sure the specified % limits are compatible. if isequal(upMode,2) && isequal(lowMode,2), if lowVal >= upVal, error('The lower bound must be less than the upper bound.'); end end %end CheckPrms function

block. autoupdateruntimeprms;将所有可调参数注册为运行时参数。block.AutoRegRuntimePrms;%end DoPostPropSetup函数

函数输出(block) lowMode = block. dialogprm (1).Data;upMode = block.DialogPrm(3).Data;sigVal = block.InputPort(1).Data;lowPortNum = 2;如果isequal(upMode,2)，则检查饱和度上限，%通过块参数设置upVal = block. runtimeprm (2).Data;elseif isequal(upMode,3)， %通过输入端口设置upVal = block.InputPort(2).Data;lowPortNum = 3;将下边界向下移动一个端口号，否则upVal = inf;如果isequal(lowMode,2)， %通过块参数lowVal = block. runtimeprm (1).Data;elseif isequal(lowMode,3)， %通过输入端口设置lowVal = block.InputPort(lowPortNum).Data; else lowVal = -inf; end % Assign new value to signal if sigVal > upVal, sigVal = upVal; elseif sigVal < lowVal, sigVal=lowVal; end block.OutputPort(1).Data = sigVal; %end Outputs function