| #!/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): |
| self.button_ok.Bind(wx.EVT_BUTTON, self.OnOK) |
| self.button_cancel.Bind(wx.EVT_BUTTON, self.OnCancel) |
| if self.show & SHOW_TIMEOUT: |
| self.checkbox_timeout.Bind(wx.EVT_CHECKBOX, 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() |
