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//usr/share/doc/python3-serial/examples/wxSerialConfigDialog.py
#!/usr/bin/env python # # A serial port configuration dialog for wxPython. A number of flags can # be used to configure the fields that are displayed. # # (C) 2001-2015 Chris Liechti <cliechti@gmx.net> # # SPDX-License-Identifier: BSD-3-Clause import wx import serial import serial.tools.list_ports SHOW_BAUDRATE = 1 << 0 SHOW_FORMAT = 1 << 1 SHOW_FLOW = 1 << 2 SHOW_TIMEOUT = 1 << 3 SHOW_ALL = SHOW_BAUDRATE | SHOW_FORMAT | SHOW_FLOW | SHOW_TIMEOUT class SerialConfigDialog(wx.Dialog): """\ Serial Port configuration dialog, to be used with pySerial 2.0+ When instantiating a class of this dialog, then the "serial" keyword argument is mandatory. It is a reference to a serial.Serial instance. the optional "show" keyword argument can be used to show/hide different settings. The default is SHOW_ALL which corresponds to SHOW_BAUDRATE|SHOW_FORMAT|SHOW_FLOW|SHOW_TIMEOUT. All constants can be found in this module (not the class). """ def __init__(self, *args, **kwds): # grab the serial keyword and remove it from the dict self.serial = kwds['serial'] del kwds['serial'] self.show = SHOW_ALL if 'show' in kwds: self.show = kwds.pop('show') # begin wxGlade: SerialConfigDialog.__init__ kwds["style"] = wx.DEFAULT_DIALOG_STYLE wx.Dialog.__init__(self, *args, **kwds) self.label_2 = wx.StaticText(self, -1, "Port") self.choice_port = wx.Choice(self, -1, choices=[]) self.label_1 = wx.StaticText(self, -1, "Baudrate") self.combo_box_baudrate = wx.ComboBox(self, -1, choices=[], style=wx.CB_DROPDOWN) self.sizer_1_staticbox = wx.StaticBox(self, -1, "Basics") self.panel_format = wx.Panel(self, -1) self.label_3 = wx.StaticText(self.panel_format, -1, "Data Bits") self.choice_databits = wx.Choice(self.panel_format, -1, choices=["choice 1"]) self.label_4 = wx.StaticText(self.panel_format, -1, "Stop Bits") self.choice_stopbits = wx.Choice(self.panel_format, -1, choices=["choice 1"]) self.label_5 = wx.StaticText(self.panel_format, -1, "Parity") self.choice_parity = wx.Choice(self.panel_format, -1, choices=["choice 1"]) self.sizer_format_staticbox = wx.StaticBox(self.panel_format, -1, "Data Format") self.panel_timeout = wx.Panel(self, -1) self.checkbox_timeout = wx.CheckBox(self.panel_timeout, -1, "Use Timeout") self.text_ctrl_timeout = wx.TextCtrl(self.panel_timeout, -1, "") self.label_6 = wx.StaticText(self.panel_timeout, -1, "seconds") self.sizer_timeout_staticbox = wx.StaticBox(self.panel_timeout, -1, "Timeout") self.panel_flow = wx.Panel(self, -1) self.checkbox_rtscts = wx.CheckBox(self.panel_flow, -1, "RTS/CTS") self.checkbox_xonxoff = wx.CheckBox(self.panel_flow, -1, "Xon/Xoff") self.sizer_flow_staticbox = wx.StaticBox(self.panel_flow, -1, "Flow Control") self.button_ok = wx.Button(self, wx.ID_OK, "") self.button_cancel = wx.Button(self, wx.ID_CANCEL, "") self.__set_properties() self.__do_layout() # end wxGlade # attach the event handlers self.__attach_events() def __set_properties(self): # begin wxGlade: SerialConfigDialog.__set_properties self.SetTitle("Serial Port Configuration") self.choice_databits.SetSelection(0) self.choice_stopbits.SetSelection(0) self.choice_parity.SetSelection(0) self.text_ctrl_timeout.Enable(False) self.button_ok.SetDefault() # end wxGlade self.SetTitle("Serial Port Configuration") if self.show & SHOW_TIMEOUT: self.text_ctrl_timeout.Enable(0) self.button_ok.SetDefault() if not self.show & SHOW_BAUDRATE: self.label_1.Hide() self.combo_box_baudrate.Hide() if not self.show & SHOW_FORMAT: self.panel_format.Hide() if not self.show & SHOW_TIMEOUT: self.panel_timeout.Hide() if not self.show & SHOW_FLOW: self.panel_flow.Hide() # fill in ports and select current setting preferred_index = 0 self.choice_port.Clear() self.ports = [] for n, (portname, desc, hwid) in enumerate(sorted(serial.tools.list_ports.comports())): self.choice_port.Append(u'{} - {}'.format(portname, desc)) self.ports.append(portname) if self.serial.name == portname: preferred_index = n self.choice_port.SetSelection(preferred_index) if self.show & SHOW_BAUDRATE: preferred_index = None # fill in baud rates and select current setting self.combo_box_baudrate.Clear() for n, baudrate in enumerate(self.serial.BAUDRATES): self.combo_box_baudrate.Append(str(baudrate)) if self.serial.baudrate == baudrate: preferred_index = n if preferred_index is not None: self.combo_box_baudrate.SetSelection(preferred_index) else: self.combo_box_baudrate.SetValue(u'{}'.format(self.serial.baudrate)) if self.show & SHOW_FORMAT: # fill in data bits and select current setting self.choice_databits.Clear() for n, bytesize in enumerate(self.serial.BYTESIZES): self.choice_databits.Append(str(bytesize)) if self.serial.bytesize == bytesize: index = n self.choice_databits.SetSelection(index) # fill in stop bits and select current setting self.choice_stopbits.Clear() for n, stopbits in enumerate(self.serial.STOPBITS): self.choice_stopbits.Append(str(stopbits)) if self.serial.stopbits == stopbits: index = n self.choice_stopbits.SetSelection(index) # fill in parities and select current setting self.choice_parity.Clear() for n, parity in enumerate(self.serial.PARITIES): self.choice_parity.Append(str(serial.PARITY_NAMES[parity])) if self.serial.parity == parity: index = n self.choice_parity.SetSelection(index) if self.show & SHOW_TIMEOUT: # set the timeout mode and value if self.serial.timeout is None: self.checkbox_timeout.SetValue(False) self.text_ctrl_timeout.Enable(False) else: self.checkbox_timeout.SetValue(True) self.text_ctrl_timeout.Enable(True) self.text_ctrl_timeout.SetValue(str(self.serial.timeout)) if self.show & SHOW_FLOW: # set the rtscts mode self.checkbox_rtscts.SetValue(self.serial.rtscts) # set the rtscts mode self.checkbox_xonxoff.SetValue(self.serial.xonxoff) def __do_layout(self): # begin wxGlade: SerialConfigDialog.__do_layout sizer_2 = wx.BoxSizer(wx.VERTICAL) sizer_3 = wx.BoxSizer(wx.HORIZONTAL) self.sizer_flow_staticbox.Lower() sizer_flow = wx.StaticBoxSizer(self.sizer_flow_staticbox, wx.HORIZONTAL) self.sizer_timeout_staticbox.Lower() sizer_timeout = wx.StaticBoxSizer(self.sizer_timeout_staticbox, wx.HORIZONTAL) self.sizer_format_staticbox.Lower() sizer_format = wx.StaticBoxSizer(self.sizer_format_staticbox, wx.VERTICAL) grid_sizer_1 = wx.FlexGridSizer(3, 2, 0, 0) self.sizer_1_staticbox.Lower() sizer_1 = wx.StaticBoxSizer(self.sizer_1_staticbox, wx.VERTICAL) sizer_basics = wx.FlexGridSizer(3, 2, 0, 0) sizer_basics.Add(self.label_2, 0, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 4) sizer_basics.Add(self.choice_port, 0, wx.EXPAND, 0) sizer_basics.Add(self.label_1, 0, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 4) sizer_basics.Add(self.combo_box_baudrate, 0, wx.EXPAND, 0) sizer_basics.AddGrowableCol(1) sizer_1.Add(sizer_basics, 0, wx.EXPAND, 0) sizer_2.Add(sizer_1, 0, wx.EXPAND, 0) grid_sizer_1.Add(self.label_3, 1, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 4) grid_sizer_1.Add(self.choice_databits, 1, wx.EXPAND | wx.ALIGN_RIGHT, 0) grid_sizer_1.Add(self.label_4, 1, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 4) grid_sizer_1.Add(self.choice_stopbits, 1, wx.EXPAND | wx.ALIGN_RIGHT, 0) grid_sizer_1.Add(self.label_5, 1, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 4) grid_sizer_1.Add(self.choice_parity, 1, wx.EXPAND | wx.ALIGN_RIGHT, 0) sizer_format.Add(grid_sizer_1, 1, wx.EXPAND, 0) self.panel_format.SetSizer(sizer_format) sizer_2.Add(self.panel_format, 0, wx.EXPAND, 0) sizer_timeout.Add(self.checkbox_timeout, 0, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 4) sizer_timeout.Add(self.text_ctrl_timeout, 0, 0, 0) sizer_timeout.Add(self.label_6, 0, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 4) self.panel_timeout.SetSizer(sizer_timeout) sizer_2.Add(self.panel_timeout, 0, wx.EXPAND, 0) sizer_flow.Add(self.checkbox_rtscts, 0, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 4) sizer_flow.Add(self.checkbox_xonxoff, 0, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 4) sizer_flow.Add((10, 10), 1, wx.EXPAND, 0) self.panel_flow.SetSizer(sizer_flow) sizer_2.Add(self.panel_flow, 0, wx.EXPAND, 0) sizer_3.Add(self.button_ok, 0, 0, 0) sizer_3.Add(self.button_cancel, 0, 0, 0) sizer_2.Add(sizer_3, 0, wx.ALL | wx.ALIGN_RIGHT, 4) self.SetSizer(sizer_2) sizer_2.Fit(self) self.Layout() # end wxGlade def __attach_events(self): wx.EVT_BUTTON(self, self.button_ok.GetId(), self.OnOK) wx.EVT_BUTTON(self, self.button_cancel.GetId(), self.OnCancel) if self.show & SHOW_TIMEOUT: wx.EVT_CHECKBOX(self, self.checkbox_timeout.GetId(), self.OnTimeout) def OnOK(self, events): success = True self.serial.port = self.ports[self.choice_port.GetSelection()] if self.show & SHOW_BAUDRATE: try: b = int(self.combo_box_baudrate.GetValue()) except ValueError: with wx.MessageDialog( self, 'Baudrate must be a numeric value', 'Value Error', wx.OK | wx.ICON_ERROR) as dlg: dlg.ShowModal() success = False else: self.serial.baudrate = b if self.show & SHOW_FORMAT: self.serial.bytesize = self.serial.BYTESIZES[self.choice_databits.GetSelection()] self.serial.stopbits = self.serial.STOPBITS[self.choice_stopbits.GetSelection()] self.serial.parity = self.serial.PARITIES[self.choice_parity.GetSelection()] if self.show & SHOW_FLOW: self.serial.rtscts = self.checkbox_rtscts.GetValue() self.serial.xonxoff = self.checkbox_xonxoff.GetValue() if self.show & SHOW_TIMEOUT: if self.checkbox_timeout.GetValue(): try: self.serial.timeout = float(self.text_ctrl_timeout.GetValue()) except ValueError: with wx.MessageDialog( self, 'Timeout must be a numeric value', 'Value Error', wx.OK | wx.ICON_ERROR) as dlg: dlg.ShowModal() success = False else: self.serial.timeout = None if success: self.EndModal(wx.ID_OK) def OnCancel(self, events): self.EndModal(wx.ID_CANCEL) def OnTimeout(self, events): if self.checkbox_timeout.GetValue(): self.text_ctrl_timeout.Enable(True) else: self.text_ctrl_timeout.Enable(False) # end of class SerialConfigDialog class MyApp(wx.App): """Test code""" def OnInit(self): wx.InitAllImageHandlers() ser = serial.Serial() print(ser) # loop until cancel is pressed, old values are used as start for the next run # show the different views, one after the other # value are kept. for flags in (SHOW_BAUDRATE, SHOW_FLOW, SHOW_FORMAT, SHOW_TIMEOUT, SHOW_ALL): dialog_serial_cfg = SerialConfigDialog(None, -1, "", serial=ser, show=flags) self.SetTopWindow(dialog_serial_cfg) result = dialog_serial_cfg.ShowModal() print(ser) if result != wx.ID_OK: break # the user can play around with the values, CANCEL aborts the loop while True: dialog_serial_cfg = SerialConfigDialog(None, -1, "", serial=ser) self.SetTopWindow(dialog_serial_cfg) result = dialog_serial_cfg.ShowModal() print(ser) if result != wx.ID_OK: break return 0 # end of class MyApp if __name__ == "__main__": app = MyApp(0) app.MainLoop()