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serial_conf_dialog.py
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serial_conf_dialog.py
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#!/usr/bin/env python
import wx
import serial
import serial.tools.list_ports
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.
"""
def __init__(self, *args, **kwds):
# grab the serial keyword and remove it from the dict
self.serial = kwds['serial']
del kwds['serial']
# begin wxGlade: SerialConfigDialog.__init__
# end wxGlade
kwds["style"] = wx.DEFAULT_DIALOG_STYLE
wx.Dialog.__init__(self, *args, **kwds)
self.combo_box_port = wx.ComboBox(self, -1, choices=["d1", "d2", "d3", "d4", "d5"], style=wx.CB_DROPDOWN)
self.label_1 = wx.StaticText(self, -1, "Baudrate")
self.choice_baudrate = wx.Choice(self, -1, choices=["choice 1"])
self.label_3 = wx.StaticText(self, -1, "Data Bits")
self.choice_databits = wx.Choice(self, -1, choices=["choice 1"])
self.label_4 = wx.StaticText(self, -1, "Stop Bits")
self.choice_stopbits = wx.Choice(self, -1, choices=["choice 1"])
self.label_5 = wx.StaticText(self, -1, "Parity")
self.choice_parity = wx.Choice(self, -1, choices=["choice 1"])
self.checkbox_timeout = wx.CheckBox(self, -1, "Timeout")
self.text_ctrl_timeout = wx.TextCtrl(self, -1, "")
self.label_6 = wx.StaticText(self, -1, "secs")
self.checkbox_rtscts = wx.CheckBox(self, -1, "RTS/CTS")
self.checkbox_xonxoff = wx.CheckBox(self, -1, "Xon/Xoff")
self.button_ok = wx.Button(self, -1, "OK")
self.button_cancel = wx.Button(self, -1, "Cancel")
self.__set_properties()
self.__do_layout()
# fill in ports and select current setting
preferred_index = 0
self.combo_box_port.Clear()
self.ports = []
for n, (portname, desc, hwid) in enumerate(sorted(serial.tools.list_ports.comports())):
self.combo_box_port.Append('%s %s' % (portname, desc))
self.ports.append(portname)
if self.serial.portstr == portname:
preferred_index = n
print self.ports
self.combo_box_port.SetSelection(preferred_index)
# fill in baud rates and select current setting
self.choice_baudrate.Clear()
for n, baudrate in enumerate(self.serial.BAUDRATES):
self.choice_baudrate.Append(str(baudrate))
if self.serial.baudrate == baudrate:
index = n
self.choice_baudrate.SetSelection(index)
# 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)
# 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))
# set the rtscts mode
self.checkbox_rtscts.SetValue(self.serial.rtscts)
# set the rtscts mode
self.checkbox_xonxoff.SetValue(self.serial.xonxoff)
#attach the event handlers
self.__attach_events()
def __set_properties(self):
self.SetTitle("Serial Port Configuration")
self.text_ctrl_timeout.Enable(0)
self.button_ok.SetDefault()
def __do_layout(self):
sizer_2 = wx.BoxSizer(wx.VERTICAL)
sizer_3 = wx.BoxSizer(wx.HORIZONTAL)
sizer_basics = wx.StaticBoxSizer(wx.StaticBox(self, -1, "Port"), wx.VERTICAL)
sizer_5 = wx.BoxSizer(wx.HORIZONTAL)
sizer_5.Add(self.combo_box_port, 1, 0, 0)
sizer_basics.Add(sizer_5, 0, wx.RIGHT|wx.EXPAND, 0)
sizer_baudrate = wx.BoxSizer(wx.HORIZONTAL)
sizer_baudrate.Add(self.label_1, 1, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
sizer_baudrate.Add(self.choice_baudrate, 1, wx.ALIGN_RIGHT, 0)
sizer_basics.Add(sizer_baudrate, 0, wx.EXPAND, 0)
sizer_2.Add(sizer_basics, 0, wx.EXPAND, 0)
sizer_8 = wx.BoxSizer(wx.HORIZONTAL)
sizer_7 = wx.BoxSizer(wx.HORIZONTAL)
sizer_6 = wx.BoxSizer(wx.HORIZONTAL)
sizer_format = wx.StaticBoxSizer(wx.StaticBox(self, -1, "Data Format"), wx.VERTICAL)
sizer_6.Add(self.label_3, 1, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
sizer_6.Add(self.choice_databits, 1, wx.ALIGN_RIGHT, 0)
sizer_format.Add(sizer_6, 0, wx.EXPAND, 0)
sizer_7.Add(self.label_4, 1, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
sizer_7.Add(self.choice_stopbits, 1, wx.ALIGN_RIGHT, 0)
sizer_format.Add(sizer_7, 0, wx.EXPAND, 0)
sizer_8.Add(self.label_5, 1, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
sizer_8.Add(self.choice_parity, 1, wx.ALIGN_RIGHT, 0)
sizer_format.Add(sizer_8, 0, wx.EXPAND, 0)
sizer_2.Add(sizer_format, 0, wx.EXPAND, 0)
sizer_timeout = wx.StaticBoxSizer(wx.StaticBox(self, -1, "Timeout"), wx.HORIZONTAL)
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)
sizer_2.Add(sizer_timeout, 0, 0, 0)
sizer_flow = wx.StaticBoxSizer(wx.StaticBox(self, -1, "Flow Control"), wx.HORIZONTAL)
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)
sizer_2.Add(sizer_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.SetAutoLayout(1)
self.SetSizer(sizer_2)
sizer_2.Fit(self)
sizer_2.SetSizeHints(self)
self.Layout()
def __attach_events(self):
wx.EVT_BUTTON(self, self.button_ok.GetId(), self.OnOK)
wx.EVT_BUTTON(self, self.button_cancel.GetId(), self.OnCancel)
wx.EVT_CHECKBOX(self, self.checkbox_timeout.GetId(), self.OnTimeout)
def OnOK(self, events):
success = True
self.serial.port = self.ports[self.combo_box_port.GetSelection()]
self.serial.baudrate = self.serial.BAUDRATES[self.choice_baudrate.GetSelection()]
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()]
self.serial.rtscts = self.checkbox_rtscts.GetValue()
self.serial.xonxoff = self.checkbox_xonxoff.GetValue()
print self.serial.parity
if self.checkbox_timeout.GetValue():
try:
self.serial.timeout = float(self.text_ctrl_timeout.GetValue())
except ValueError:
dlg = wx.MessageDialog(self, 'Timeout must be a numeric value',
'Value Error', wx.OK | wx.ICON_ERROR)
dlg.ShowModal()
dlg.Destroy()
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)
class MyApp(wx.App):
"""Test code"""
def OnInit(self):
wx.InitAllImageHandlers()
ser = serial.Serial()
# the user can play around with the values, CANCEL aborts the loop
while 1:
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
if __name__ == "__main__":
app = MyApp(0)
app.MainLoop()