Spaces:
Sleeping
Sleeping
File size: 3,611 Bytes
d12bc25 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 |
# ocxserialtest.py
#
# Sample that uses the mscomm OCX to talk to a serial
# device.
# Very simple - queries a modem for ATI responses
import pythoncom
import win32con
import win32ui
import win32uiole
from pywin.mfc import activex, dialog
from win32com.client import gencache
SERIAL_SETTINGS = "19200,n,8,1"
SERIAL_PORT = 2
win32ui.DoWaitCursor(1)
serialModule = gencache.EnsureModule("{648A5603-2C6E-101B-82B6-000000000014}", 0, 1, 1)
win32ui.DoWaitCursor(0)
if serialModule is None:
raise ImportError("MS COMM Control does not appear to be installed on the PC")
def MakeDlgTemplate():
style = (
win32con.DS_MODALFRAME
| win32con.WS_POPUP
| win32con.WS_VISIBLE
| win32con.WS_CAPTION
| win32con.WS_SYSMENU
| win32con.DS_SETFONT
)
cs = win32con.WS_CHILD | win32con.WS_VISIBLE
dlg = [
["Very Basic Terminal", (0, 0, 350, 180), style, None, (8, "MS Sans Serif")],
]
s = win32con.WS_TABSTOP | cs
dlg.append(
[
"RICHEDIT",
None,
132,
(5, 5, 340, 170),
s
| win32con.ES_WANTRETURN
| win32con.ES_MULTILINE
| win32con.ES_AUTOVSCROLL
| win32con.WS_VSCROLL,
]
)
return dlg
####################################
#
# Serial Control
#
class MySerialControl(activex.Control, serialModule.MSComm):
def __init__(self, parent):
activex.Control.__init__(self)
serialModule.MSComm.__init__(self)
self.parent = parent
def OnComm(self):
self.parent.OnComm()
class TestSerDialog(dialog.Dialog):
def __init__(self, *args):
dialog.Dialog.__init__(*(self,) + args)
self.olectl = None
def OnComm(self):
event = self.olectl.CommEvent
if event == serialModule.OnCommConstants.comEvReceive:
self.editwindow.ReplaceSel(self.olectl.Input)
def OnKey(self, key):
if self.olectl:
self.olectl.Output = chr(key)
def OnInitDialog(self):
rc = dialog.Dialog.OnInitDialog(self)
self.editwindow = self.GetDlgItem(132)
self.editwindow.HookAllKeyStrokes(self.OnKey)
self.olectl = MySerialControl(self)
try:
self.olectl.CreateControl(
"OCX",
win32con.WS_TABSTOP | win32con.WS_VISIBLE,
(7, 43, 500, 300),
self._obj_,
131,
)
except win32ui.error:
self.MessageBox("The Serial Control could not be created")
self.olectl = None
self.EndDialog(win32con.IDCANCEL)
if self.olectl:
self.olectl.Settings = SERIAL_SETTINGS
self.olectl.CommPort = SERIAL_PORT
self.olectl.RThreshold = 1
try:
self.olectl.PortOpen = 1
except pythoncom.com_error as details:
print(
"Could not open the specified serial port - %s"
% (details.excepinfo[2])
)
self.EndDialog(win32con.IDCANCEL)
return rc
def OnDestroy(self, msg):
if self.olectl:
try:
self.olectl.PortOpen = 0
except pythoncom.com_error as details:
print("Error closing port - %s" % (details.excepinfo[2]))
return dialog.Dialog.OnDestroy(self, msg)
def test():
d = TestSerDialog(MakeDlgTemplate())
d.DoModal()
if __name__ == "__main__":
from . import demoutils
if demoutils.NeedGoodGUI():
test()
|