function varargout = serial_communication2(varargin)
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @serial_communication2_OpeningFcn, ...
'gui_OutputFcn', @serial_communication2_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
function serial_communication2_OpeningFcn(hObject, eventdata, handles, varargin)
handles.output = hObject;
warning('off');
javaFrame = get(hObject, 'JavaFrame');
javaFrame.setFigureIcon(javax.swing.ImageIcon('icon.jpg'));
%% 初始化参数
hasData = false; %表征串口是否接收到数据
isShow = false; %表征是否正在进行数据显示,即是否正在执行函数dataDisp
isStopDisp = false; %表征是否按下了【停止显示】按钮
isHexDisp = false; %表征是否勾选了【十六进制显示】
isHexSend = false; %表征是否勾选了【十六进制发送】
numRec = 0; %接收字符计数
numSend = 0; %发送字符计数
strRec = ''; %已接收的字符串
%% 将上述参数作为应用数据,存入窗口对象内
setappdata(hObject, 'hasData', hasData);
setappdata(hObject, 'strRec', strRec);
setappdata(hObject, 'numRec', numRec);
setappdata(hObject, 'numSend', numSend);
setappdata(hObject, 'isShow', isShow);
setappdata(hObject, 'isStopDisp', isStopDisp);
setappdata(hObject, 'isHexDisp', isHexDisp);
setappdata(hObject, 'isHexSend', isHexSend);
guidata(hObject, handles);
function varargout = serial_communication2_OutputFcn(hObject, eventdata, handles)
varargout{1} = handles.output;
function com_Callback(hObject, ~, handles)
function com_CreateFcn(hObject, eventdata, handles)
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
function rate_Callback(hObject, eventdata, handles)
function rate_CreateFcn(hObject, eventdata, handles)
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
function jiaoyan_Callback(hObject, eventdata, handles)
function jiaoyan_CreateFcn(hObject, eventdata, handles)
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
function data_bits_Callback(hObject, eventdata, handles)
function data_bits_CreateFcn(hObject, eventdata, handles)
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
function stop_bits_Callback(hObject, eventdata, handles)
function stop_bits_CreateFcn(hObject, eventdata, handles)
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
function start_serial_Callback(hObject, eventdata, handles)
% 【打开/关闭串口】按钮的回调函数
% 打开串口,并初始化相关参数
%% 若按下【打开串口】按钮,打开串口
if get(hObject, 'value')
%% 获取串口的端口名
com_n = sprintf('com%d', get(handles.com, 'value'));
%% 获取波特率
rates = [300 600 1200 2400 4800 9600 19200 38400 43000 56000 57600 115200];
baud_rate = rates(get(handles.rate, 'value'));
%% 获取校验位设置
switch get(handles.jiaoyan, 'value')
case 1
jiaoyan = 'none';
case 2
jiaoyan = 'odd';
case 3
jiaoyan = 'even';
end
%% 获取数据位个数
data_bits = 5 + get(handles.data_bits, 'value');
%% 获取停止位个数
stop_bits = get(handles.stop_bits, 'value');
%% 创建串口对象
scom = serial(com_n);
%% 配置串口属性,指定其回调函数
set(scom, 'BaudRate', baud_rate, 'Parity', jiaoyan, 'DataBits',...
data_bits, 'StopBits', stop_bits, 'BytesAvailableFcnCount', 10,...
'BytesAvailableFcnMode', 'byte', 'BytesAvailableFcn', {@bytes, handles},...
'TimerPeriod', 0.05, 'timerfcn', {@dataDisp, handles});
%% 将串口对象的句柄作为用户数据,存入窗口对象
set(handles.figure1, 'UserData', scom);
%% 尝试打开串口
try
fopen(scom); %打开串口
catch % 若串口打开失败,提示“串口不可获得!”
msgbox('串口不可获得!');
set(hObject, 'value', 0); %弹起本按钮
return;
end
%% 打开串口后,允许串口发送数据,清空接收显示区,点亮串口状态指示灯,
%% 并更改本按钮文本为“关闭串口”
set(handles.period_send, 'Enable', 'on'); %启用【自动发送】按钮
set(handles.manual_send, 'Enable', 'on'); %启用【手动发送】按钮
set(handles.xianshi, 'string', ''); %清空接收显示区
set(handles.activex1, 'value', 1); %点亮串口状态指示灯
set(hObject, 'String', '关闭串口'); %设置本按钮文本为“关闭串口”
else %若关闭串口
%% 停止并删除定时器
t = timerfind;
if ~isempty(t)
stop(t);
delete(t);
end
%% 停止并删除串口对象
scoms = instrfind;
stopasync(scoms);
fclose(scoms);
delete(scoms);
%% 禁用【自动发送】和【手动发送】按钮,熄灭串口状态指示灯
set(handles.period_send, 'Enable', 'off', 'value', 0); %禁用【自动发送】按钮
set(handles.manual_send, 'Enable', 'off'); %禁用【手动发送】按钮
set(handles.activex1, 'value', 0); %熄灭串口状态指示灯
end
function dataDisp(obj, event, handles)
global value
% 串口的TimerFcn回调函数
% 串口数据显示
%% 获取参数
hasData = getappdata(handles.figure1, 'hasData'); %串口是否收到数据
strRec = getappdata(handles.figure1, 'strRec'); %串口数据的字符串形式,定时显示该数据
numRec = getappdata(handles.figure1, 'numRec'); %串口接收到的数据个数
%% 若串口没有接收到数据,先尝试接收串口数据
if ~hasData
bytes(obj, event, handles);
end
%% 若串口有数据,显示串口数据
if hasData
%% 给数据显示模块加互斥锁
%% 在执行显示数据模块时,不接受串口数据,即不执行BytesAvailableFcn回调函数
setappdata(handles.figure1, 'isShow', true);
%% 若要显示的字符串长度超过10000,清空显示区
if length(strRec) > 10000
strRec = '';
setappdata(handles.figure1, 'strRec', strRec);
end
%% 显示数据
set(handles.xianshi, 'string', strRec);
%保存成.txt文件
% [FileName PathName]=uiputfile({'*.txt','Txt Files(*.txt)';'*.*','All Files(*.*)'},'choose a File');
% ysw= [PathName FileName];
% dlmwrite(ysw, strRec,'delimiter','\t');
% save ysw strRec
% save(char(ysw), 'strRec')
value=get(handles.xianshi,'string');
% save('ysw.txt','value');
save('ysw.mat','value');
%
% if isempty(value)
% msgbox( '当前没有接收到数据','提示');
% fclose(gcf)
% else value
if value
value1=textscan(value,'%s'); %读取其中的数据
% value=textscan(ysw,'%s'); %读取其中的数据
value2=value1{1};%得到数据,存储到value1中
num=length(value2);
val=[];
i=1;
for ii=1:2:num-1
val=[val,hex2dec(strcat(value2{ii},value2{ii+1}))];%转换
time(i) = 0.05*ii;
i=i+1;
end
axes(handles.plotAD);
plot(handles.plotAD,time,val);
% hold on
% close(figure(1))
% plot(val,'DisplayName','val','YDataSource','val');
% figure(gcf)
% set(gcf,'currentaxes',handles.plotAD);
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% 更新接收计数
set(handles.rec,'string', numRec);
%% 更新hasData标志,表明串口数据已经显示
setappdata(handles.figure1, 'hasData', false);
%% 给数据显示模块解锁
setappdata(handles.figure1, 'isShow', false);
end
function bytes(obj, ~, handles)
% 串口的BytesAvailableFcn回调函数
% 串口接收数据
%% 获取参数
strRec = getappdata(handles.figure1, 'strRec'); %获取串口要显示的数据
numRec = getappdata(handles.figure1, 'numRec'); %获取串口已接收数据的个数
isStopD