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function varargout = Serial_Port(varargin)
% SERIAL_PORT M-file for Serial_Port.fig
% SERIAL_PORT, by itself, creates a new SERIAL_PORT or raises the existing
% singleton*.
%
% H = SERIAL_PORT returns the handle to a new SERIAL_PORT or the handle to
% the existing singleton*.
%
% SERIAL_PORT('CALLBACK',hObject,eventData,handles,...) calls the local
% function named CALLBACK in SERIAL_PORT.M with the given input arguments.
%
% SERIAL_PORT('Property','Value',...) creates a new SERIAL_PORT or raises the
% existing singleton*. Starting from the left, property value pairs are
% applied to the GUI before Serial_Port_OpeningFcn gets called. An
% unrecognized property name or invalid value makes property application
% stop. All inputs are passed to Serial_Port_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 Serial_Port
% Last Modified by GUIDE v2.5 17-Jun-2015 10:13:45
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @Serial_Port_OpeningFcn, ...
'gui_OutputFcn', @Serial_Port_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 Serial_Port is made visible.
function Serial_Port_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 Serial_Port (see VARARGIN)
% Choose default command line output for Serial_Port
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
%{
關閉、刪除已打開的串口對象
scoms=instrfind;
fclose(scoms);
delete(scoms);
clear scoms;
%}
%獲取可用串口
global getcom
getcom=instrhwinfo('serial');
set(handles.popupmenu1,'string',char(getcom.AvailableSerialPorts));
global a
a=clock;
% UIWAIT makes Serial_Port wait for user response (see UIRESUME)
% uiwait(handles.figure1);
% --- Outputs from this function are returned to the command line.
function varargout = Serial_Port_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)
function edit1_Callback(hObject, eventdata, handles)
% hObject handle to edit1 (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 edit1 as text
% str2double(get(hObject,'String')) returns contents of edit1 as a double
% --- Executes during object creation, after setting all properties.
function edit1_CreateFcn(hObject, eventdata, handles)
% hObject handle to edit1 (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 edit2_Callback(hObject, eventdata, handles)
% hObject handle to edit2 (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 edit2 as text
% str2double(get(hObject,'String')) returns contents of edit2 as a double
% --- Executes during object creation, after setting all properties.
function edit2_CreateFcn(hObject, eventdata, handles)
% hObject handle to edit2 (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
% --- Executes on button press in pushbutton1.
function pushbutton1_Callback(hObject, eventdata, handles)
% hObject handle to pushbutton1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
%獲取當前按鈕的名字
string=get(handles.pushbutton1,'string');
if(strcmp(string,'打開串口')==1)
set(handles.pushbutton1,'string','關閉串口');
%禁止修改串口號和波特率
set(handles.popupmenu1,'Enable','off');
set(handles.popupmenu2,'Enable','off');
%getcom=instrhwinfo('serial');
global getcom
global scom
%選擇串口號
if size(getcom.AvailableSerialPorts)==0
errordlg('無有效COM口','提示','replace');
else if size(getcom.AvailableSerialPorts)==1
scom=serial(char(getcom.AvailableSerialPorts));
else
for i=1:size(getcom.AvailableSerialPorts)
if i==get(handles.popupmenu1,'Value')
scom=serial(char(getcom.AvailableSerialPorts(i)));
break;
end;
end;
end;
end;
%設置串口波特率
switch get(handles.popupmenu2,'Value')
case 1
scom.BaudRate=115200;
case 2
scom.BaudRate=57600;
case 3
scom.BaudRate=56000;
case 4
scom.BaudRate=43000;
case 5
scom.BaudRate=38400;
case 6
scom.BaudRate=19200;
case 7
scom.BaudRate=9600;
case 8
scom.BaudRate=4800;
case 9
scom.BaudRate=2400;
case 10
scom.BaudRate=1200;
case 11
scom.BaudRate=600;
case 12
scom.BaudRate=300;
end;
%scom.terminator='CR';
scom.BytesAvailableFcnMode='terminator';
scom.BytesAvailableFcn={@mycallback,handles};
fopen(scom);
else
%按鍵的名字設為‘打開串口’
set(handles.pushbutton1,'string','打開串口');
%禁止修改串口號和波特率
set(handles.popupmenu1,'Enable','on');
set(handles.popupmenu2,'Enable','on');
%查找串口對象
scoms = instrfind;
%嘗試停止、關閉刪除串口對象
stopasync(scoms);
fclose(scoms);
delete(scoms);
end;
% --- Executes on button press in pushbutton2.
function pushbutton2_Callback(hObject, eventdata, handles)
% hObject handle to pushbutton2 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global scom;
%得到發送區的數據
send_data=get(handles.edit2,'string');
global a;
a=GetSecs;
fprintf(scom,send_data);
% --- Executes on selection change in popupmenu1.
function popupmenu1_Callback(hObject, eventdata, handles)
% hObject handle to popupmenu1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Hints: contents = cellstr(get(hObject,'String')) returns popupmenu1 contents as cell array
% contents{get(hObject,'Value')} returns selected item from popupmenu1
% --- Executes during object creation, after setting all properties.
function popupmenu1_CreateFcn(hObject, eventdata, handles)
% hObject handle to popupmenu1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles empty - handles not created until after all CreateFcns called
% Hint: popupmenu 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
% --- Executes on selection change in popupmenu2.
function popupmenu2_Callback(hObject, eventdata, handles)
% hObject handle to popupmenu2 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Hints: contents = cellstr(get(hObject,'String')) returns popupmenu2 contents as cell array
% contents{get(hObject,'Value')} returns selected item from popupmenu2
% --- Executes during object creation, after setting all properties.
function popupmenu2_CreateFcn(hObject, eventdata, handles)
% hObject handle to popupmenu2 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles empty - handles not created until after all CreateFcns called
% Hint: popupmenu 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
%串口接收顯示程序
function mycallback(scom,BytesAvailable,handles)
n_bytes=get(scom,'BytesAvailable');
if n_bytes>0
char=fscanf(scom);
end;
original=get(handles.edit1,'string');
char=strcat(original,char);
set(handles.edit1,'string',char);
global a;
set(handles.edit1,'string',num2char(GetSecs-a));
function edit3_Callback(hObject, eventdata, handles)
% hObject handle to edit3 (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 edit3 as text
% str2double(get(hObject,'String')) returns contents of edit3 as a double
% --- Executes during object creation, after setting all properties.
function edit3_CreateFcn(hObject, eventdata, handles)
% hObject handle to edit3 (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

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