www.gusucode.com > vnt 源码程序 matlab案例代码 > vnt/demoVNT_ManageCANMessageGUIFig.m
function varargout = demoVNT_ManageCANMessageGUIFig(varargin) % DEMOVNT_MANAGECANMESSAGEGUIFIG MATLAB code for demoVNT_ManageCANMessageGUIFig.fig % DEMOVNT_MANAGECANMESSAGEGUIFIG, by itself, creates a new DEMOVNT_MANAGECANMESSAGEGUIFIG or raises the existing % singleton*. % % H = DEMOVNT_MANAGECANMESSAGEGUIFIG returns the handle to a new DEMOVNT_MANAGECANMESSAGEGUIFIG or the handle to % the existing singleton*. % % DEMOVNT_MANAGECANMESSAGEGUIFIG('CALLBACK',hObject,eventData,handles,...) calls the local % function named CALLBACK in DEMOVNT_MANAGECANMESSAGEGUIFIG.M with the given input arguments. % % DEMOVNT_MANAGECANMESSAGEGUIFIG('Property','Value',...) creates a new DEMOVNT_MANAGECANMESSAGEGUIFIG or raises the % existing singleton*. Starting from the left, property value pairs are % applied to the GUI before demoVNT_ManageCANMessageGUIFig_OpeningFcn gets called. An % unrecognized property name or invalid value makes property application % stop. All inputs are passed to demoVNT_ManageCANMessageGUIFig_OpeningFcn via varargin. % % *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one % instance to run (singleton)". % % See also: GUIDE, GUIDATA, GUIHANDLES % Edit the above text to modify the response to help demoVNT_ManageCANMessageGUIFig % Last Modified by GUIDE v2.5 25-Oct-2011 15:41:11 % Begin initialization code - DO NOT EDIT gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @demoVNT_ManageCANMessageGUIFig_OpeningFcn, ... 'gui_OutputFcn', @demoVNT_ManageCANMessageGUIFig_OutputFcn, ... 'gui_LayoutFcn', [] , ... 'gui_Callback', []); if nargin && ischar(varargin{1}) gui_State.gui_Callback = str2func(varargin{1}); end if nargout [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:}); else gui_mainfcn(gui_State, varargin{:}); end % End initialization code - DO NOT EDIT % --- Executes just before demoVNT_ManageCANMessageGUIFig is made visible. function demoVNT_ManageCANMessageGUIFig_OpeningFcn(hObject, eventdata, handles, varargin) % This function has no output args, see OutputFcn. % hObject handle to figure % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % varargin command line arguments to demoVNT_ManageCANMessageGUIFig (see VARARGIN) % Choose default command line output for demoVNT_ManageCANMessageGUIFig handles.output = hObject; % Update handles structure guidata(hObject, handles); % UIWAIT makes demoVNT_ManageCANMessageGUIFig wait for user response (see UIRESUME) % uiwait(handles.MainFig); % Open the CAN database file. db = canDatabase('demoVNT_ManageCANMessageGUI.dbc'); % Create a CAN channel for sending and receiving messages. canCh = canChannel('Vector', 'Virtual 1', 1); % Attach the CAN database file to the channel for received message decoding. canCh.Database = db; % Start the channel. start(canCh); % Store the channel in the GUI so it persists for the life of the GUI. setappdata(handles.MainFig, 'CANChannel', canCh); % Create the two messages to send. msgVehicleData = canMessage(db, 'VehicleData'); msgWheelSpeeds = canMessage(db, 'WheelSpeeds'); % Store the messages in the GUI so they persist for the life of the GUI. setappdata(handles.MainFig, 'MsgVehicleData', msgVehicleData); setappdata(handles.MainFig, 'MsgWheelSpeeds', msgWheelSpeeds); % Create a timer which will drive the update of the GUI. It will call to a % callback function in this file. updateGUITimer = timer(... 'Period', 0.500,... 'ExecutionMode', 'fixedSpacing', ... 'TimerFcn', {@updateGUITimerCallback, handles}); % Start the timer. start(updateGUITimer); % Store the timer in the GUI so it persists for the life of the GUI. setappdata(handles.MainFig, 'UpdateGUITimer', updateGUITimer); % Create a timer which will regularly set random values into the signal % data to send. It will call to a callback function in this file. periodicDataUpdateTimer = timer(... 'Period', 0.100,... 'ExecutionMode', 'fixedSpacing', ... 'TimerFcn', {@periodicDataUpdateTimerCallback, msgVehicleData, msgWheelSpeeds}); % Start the timer. start(periodicDataUpdateTimer); % Store the timer in the GUI so it persists for the life of the GUI. setappdata(handles.MainFig, 'PeriodicDataUpdateTimer', periodicDataUpdateTimer); % --- Executes when user attempts to close MainFig. function MainFig_CloseRequestFcn(hObject, eventdata, handles) % hObject handle to MainFig (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Stop the periodic signal value update timer. periodicDataUpdateTimer = getappdata(handles.MainFig, 'PeriodicDataUpdateTimer'); stop(periodicDataUpdateTimer); % Stop the CAN channel. canCh = getappdata(handles.MainFig, 'CANChannel'); stop(canCh); % Stop the GUI update timer. updateGUITimer = getappdata(handles.MainFig, 'UpdateGUITimer'); stop(updateGUITimer); % Hint: delete(hObject) closes the figure delete(hObject); function updateGUITimerCallback(obj, ~, handles) % updateGUITimerCallback Timer callback function for GUI updating. % Receive the available CAN messages. canCh = getappdata(handles.MainFig, 'CANChannel'); msg = receive(canCh, Inf); % Exit if no messages were received as there is nothing to update. if isempty(msg) return; end % Update the vehicle data parameters on the GUI with the most recent data. msgVehicleData = extractRecent(msg, 'VehicleData'); if ~isempty(msgVehicleData) % Set the updated data values onto the GUI. set(handles.appValue, 'String', msgVehicleData.Signals.Accel_Pos); set(handles.espValue, 'String', msgVehicleData.Signals.Engine_Speed); end % Update the wheel speed parameters on the GUI with the most recent data. msgWheelSpeeds = extractRecent(msg, 'WheelSpeeds'); if ~isempty(msgWheelSpeeds) % Set the updated data values onto the GUI. set(handles.wspLFValue, 'String', msgWheelSpeeds.Signals.LF_WSpeed); set(handles.wspLRValue, 'String', msgWheelSpeeds.Signals.LR_WSpeed); set(handles.wspRFValue, 'String', msgWheelSpeeds.Signals.RF_WSpeed); set(handles.wspRRValue, 'String', msgWheelSpeeds.Signals.RR_WSpeed); end function periodicDataUpdateTimerCallback(obj, ~, msgVehicleData, msgWheelSpeeds) % periodicDataUpdateTimerCallback Timer callback function for message data updating. % Set new data. msgVehicleData.Signals.Accel_Pos = rand * 100; msgVehicleData.Signals.Engine_Speed = rand * 8000; % Set new data. value = max(0.5, rand); msgWheelSpeeds.Signals.LF_WSpeed = value * 1500; msgWheelSpeeds.Signals.LR_WSpeed = value * 1505; msgWheelSpeeds.Signals.RF_WSpeed = value * 1495; msgWheelSpeeds.Signals.RR_WSpeed = value * 1490; % --- Outputs from this function are returned to the command line. function varargout = demoVNT_ManageCANMessageGUIFig_OutputFcn(hObject, eventdata, handles) % varargout cell array for returning output args (see VARARGOUT); % hObject handle to figure % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Get default command line output from handles structure varargout{1} = handles.output; % --- Executes on button press in pbSendSingleMessages. function pbSendSingleMessages_Callback(hObject, eventdata, handles) % hObject handle to pbSendSingleMessages (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Get the channel and messages from the GUI for message transmit. canCh = getappdata(handles.MainFig, 'CANChannel'); msgVehicleData = getappdata(handles.MainFig, 'MsgVehicleData'); msgWheelSpeeds = getappdata(handles.MainFig, 'MsgWheelSpeeds'); % Set new signal values and transmit. msgVehicleData.Signals.Accel_Pos = rand * 100; msgVehicleData.Signals.Engine_Speed = rand * 8000; transmit(canCh, msgVehicleData); % Set new signal values and transmit. value = max(0.5, rand); msgWheelSpeeds.Signals.LF_WSpeed = value * 1500; msgWheelSpeeds.Signals.LR_WSpeed = value * 1505; msgWheelSpeeds.Signals.RF_WSpeed = value * 1495; msgWheelSpeeds.Signals.RR_WSpeed = value * 1490; transmit(canCh, msgWheelSpeeds); % --- Executes on button press in pbRepeatMessages. function pbRepeatMessages_Callback(hObject, eventdata, handles) % hObject handle to pbRepeatMessages (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hint: get(hObject,'Value') returns toggle state of pbRepeatMessages % Get the channel and messages from the GUI for message transmit. canCh = getappdata(handles.MainFig, 'CANChannel'); msgVehicleData = getappdata(handles.MainFig, 'MsgVehicleData'); msgWheelSpeeds = getappdata(handles.MainFig, 'MsgWheelSpeeds'); % Take action when repeat message tranmit is being turned on. if logical(get(hObject, 'Value')) % Enable the periodic message transmit on the CAN channel. transmitPeriodic(canCh, msgVehicleData, 'On', 0.100); transmitPeriodic(canCh, msgWheelSpeeds, 'On', 0.100); else % Shut off the periodic message transmit on the CAN channel. transmitPeriodic(canCh, msgVehicleData, 'Off'); transmitPeriodic(canCh, msgWheelSpeeds, 'Off'); end function appValue_Callback(hObject, eventdata, handles) % hObject handle to appValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: get(hObject,'String') returns contents of appValue as text % str2double(get(hObject,'String')) returns contents of appValue as a double % --- Executes during object creation, after setting all properties. function appValue_CreateFcn(hObject, eventdata, handles) % hObject handle to appValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows. % See ISPC and COMPUTER. if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function espValue_Callback(hObject, eventdata, handles) % hObject handle to espValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: get(hObject,'String') returns contents of espValue as text % str2double(get(hObject,'String')) returns contents of espValue as a double % --- Executes during object creation, after setting all properties. function espValue_CreateFcn(hObject, eventdata, handles) % hObject handle to espValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows. % See ISPC and COMPUTER. if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function wspLFValue_Callback(hObject, eventdata, handles) % hObject handle to wspLFValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: get(hObject,'String') returns contents of wspLFValue as text % str2double(get(hObject,'String')) returns contents of wspLFValue as a double % --- Executes during object creation, after setting all properties. function wspLFValue_CreateFcn(hObject, eventdata, handles) % hObject handle to wspLFValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows. % See ISPC and COMPUTER. if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function wspLRValue_Callback(hObject, eventdata, handles) % hObject handle to wspLRValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: get(hObject,'String') returns contents of wspLRValue as text % str2double(get(hObject,'String')) returns contents of wspLRValue as a double % --- Executes during object creation, after setting all properties. function wspLRValue_CreateFcn(hObject, eventdata, handles) % hObject handle to wspLRValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows. % See ISPC and COMPUTER. if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function wspRFValue_Callback(hObject, eventdata, handles) % hObject handle to wspRFValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: get(hObject,'String') returns contents of wspRFValue as text % str2double(get(hObject,'String')) returns contents of wspRFValue as a double % --- Executes during object creation, after setting all properties. function wspRFValue_CreateFcn(hObject, eventdata, handles) % hObject handle to wspRFValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows. % See ISPC and COMPUTER. if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function wspRRValue_Callback(hObject, eventdata, handles) % hObject handle to wspRRValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: get(hObject,'String') returns contents of wspRRValue as text % str2double(get(hObject,'String')) returns contents of wspRRValue as a double % --- Executes during object creation, after setting all properties. function wspRRValue_CreateFcn(hObject, eventdata, handles) % hObject handle to wspRRValue (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows. % See ISPC and COMPUTER. if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end