def onReadSParametersFromFile(self):
import SignalIntegrity.Lib as si
filename=AskOpenFileName(filetypes=[('s-parameter files', ('*.s*p'))],
initialdir=self.fileparts.AbsoluteFilePath(),
parent=self)
if filename is None:
return
self.fileparts=FileParts(filename)
if self.fileparts.fileext=='':
return
self.title('S-parameters: '+self.fileparts.FileNameTitle())
self.sp=si.sp.SParameterFile(filename)
self.referenceImpedance.SetValueFromString(str(self.sp.m_Z0))
self.referenceImpedanceProperty.propertyString.set(self.referenceImpedance.PropertyString(stype='entry'))
for widget in self.sButtonsFrame.winfo_children():
widget.destroy()
numPorts=self.sp.m_P
self.buttonLabels=[['s'+str(toP+1)+str(fromP+1) for fromP in range(numPorts)] for toP in range(numPorts)]
self.buttons=[]
for toP in range(numPorts):
buttonrow=[]
rowFrame=tk.Frame(self.sButtonsFrame)
rowFrame.pack(side=tk.TOP,expand=tk.NO,fill=tk.NONE)
for fromP in range(numPorts):
thisButton=tk.Button(rowFrame,text=self.buttonLabels[toP][fromP],command=lambda x=toP+1,y=fromP+1: self.onSelectSParameter(x,y))
thisButton.pack(side=tk.LEFT,fill=tk.NONE,expand=tk.NO)
buttonrow.append(thisButton)
self.buttons.append(buttonrow)
self.fromPort = 1
self.toPort = 1
self.buttons[self.toPort-1][self.fromPort-1].config(relief=tk.SUNKEN)
self.PlotSParameter()
def onFileBrowse(self):
# this is a seemingly ugly workaround
# I do this because when you change the number of ports and then touch the file
# browse button, the ports are updated after this call based on the button press.
# without this ugly thing, the file extension reflects the wrong number of ports
# until the next time you press the button, when it is right.
# This workaround forces the ports to be updated now.
for pp in range(len(self.parent.device.propertiesList)):
if self.parent.device.propertiesList[pp][
'PropertyName'] == 'ports':
self.parent.propertyFrameList[pp].onUntouched(None)
# end of ugly workaround
self.callBack()
if self.partProperty['PropertyName'] in ['filename', 'std']:
extension = '.s' + self.device['ports'].PropertyString(
stype='raw') + 'p'
filetypename = 's-parameters'
elif self.partProperty['PropertyName'] == 'waveformfilename':
extension = '.txt'
filetypename = 'waveforms'
elif self.partProperty['PropertyName'] == 'errorterms':
extension = '.cal'
filetypename = 'calibration file'
else:
extension = ''
filetypename = 'all'
currentFileParts = FileParts(
self.partProperty.PropertyString(stype='raw'))
if currentFileParts.filename == '':
initialDirectory = self.parent.parent.parent.fileparts.AbsoluteFilePath(
)
initialFile = ''
else:
initialDirectory = currentFileParts.AbsoluteFilePath()
if currentFileParts.fileext in ['.si', extension]:
initialFile = currentFileParts.FileNameWithExtension()
else:
initialFile = currentFileParts.filename + extension
filename = AskOpenFileName(parent=self,
filetypes=[(filetypename, extension),
('project', '.si')],
initialdir=initialDirectory,
initialfile=initialFile)
if filename is None:
filename = ''
if isinstance(filename, tuple):
filename = ''
filename = str(filename)
if filename != '':
filename = FileParts(filename).FullFilePathExtension()
self.propertyString.set(filename)
self.partProperty.SetValueFromString(self.propertyString.get())
self.callBack()
if self.partProperty['PropertyName'] == 'waveformfilename':
filename = self.partProperty.GetValue()
isProject = FileParts(filename).fileext == '.si'
for propertyFrame in self.parent.propertyFrameList:
if propertyFrame.partProperty['PropertyName'] == 'wfprojname':
propertyFrame.partProperty['Hidden'] = not isProject
self.callBack()
def onTouched(self,event):
fp=FileParts(self.fileparts.AbsoluteFilePath()+'/'+self.project[self.projectPath])
filename=AskOpenFileName(filetypes=[('txt', '.txt')],
initialdir=fp.AbsoluteFilePath(),
initialfile=fp.FileNameWithExtension('txt'))
if filename is None:
return
filename=ConvertFileNameToRelativePath(filename)
self.project[self.projectPath]=filename
self.UpdateStrings()
def onOpenFile(self):
self.__file = AskOpenFileName(defaultextension=".txt",
filetypes=[("All Files", "*.*"),
("Text Documents", "*.txt")])
if self.__file == "":
# no file to open
self.__file = None
else:
# Try to open the file
# set the window title
self.__root.title(os.path.basename(self.__file) + " - Notepad")
self.TextArea.delete(1.0, tk.END)
file = open(self.__file, "r")
self.TextArea.insert(1.0, file.read())
file.close()