UC知道matlab gui
来源：百度知道 编辑：UC知道 时间：2024/09/20 07:05:31
function DaqStart_Callback(hObject, eventdata, handles)
% hObject handle to DaqStart (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
%**************************************************************************
ai=analoginput('winsound');
addchannel(ai,1:2);
SampleRate=8000;
handles.ai=ai;
set(ai,...
'SampleRate',SampleRate,...
'TriggerRepeat',1,...
'TriggerType','Manual',...
'SamplesPerTrigger',floor(400),...
'TimerPeriod',0.1,...
'Timerfcn',@localTimerAction,...
'UserData',handles);
guidata(handles.DaqScope,handles);
start(ai)
triggle(ai)
function fs_Callback(hObject, eventdata, handles)
% hObject handle to fs (see GCBO)
% eventdata reserved - to be defined in a f
% hObject handle to DaqStart (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
%**************************************************************************
ai=analoginput('winsound');
addchannel(ai,1:2);
SampleRate=8000;
handles.ai=ai;
set(ai,...
'SampleRate',SampleRate,...
'TriggerRepeat',1,...
'TriggerType','Manual',...
'SamplesPerTrigger',floor(400),...
'TimerPeriod',0.1,...
'Timerfcn',@localTimerAction,...
'UserData',handles);
guidata(handles.DaqScope,handles);
start(ai)
triggle(ai)
function fs_Callback(hObject, eventdata, handles)
% hObject handle to fs (see GCBO)
% eventdata reserved - to be defined in a f
你那样写，并没有激发fs_Callback，所以不会有参数传递。可以在DaqStart_Callback(hObject, eventdata, handles）中直接调用文本框的参数：SampleRate=str2num(handles.fs,'string');
我怎么总觉得你的程序不完整