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Error using serial/fopen (line 72)
Open failed: Port: COM4 is not available. No ports are available.
Use INSTRFIND to determine if other instrument objects are connected to the requested device.
Error in serialTEST>SerialSTART_Callback (line 126)
fopen(handles.s);
Error in gui_mainfcn (line 96)
feval(varargin{:});
Error in serialTEST (line 42)
gui_mainfcn(gui_State, varargin{:});
Error in @(hObject,eventdata)serialTEST('SerialSTART_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating uicontrol Callback
程序运行串口是默认打开的,然后我关闭串口(fclose(handles.s),delete(handles.s),clear handles.s),但再打开的时候会报以上错误,有谁遇到过这种情况么?希望指导一下,不剩感激! |
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