How can I dial GPRS/EDGE in Win CE

Thu, 10 Jun 2010 14:13:40 -0700

Hello all.

I am developing application in python on Windows CE which needs connection to the internet (via GPRS/EDGE). When I turn on the device, the internet connection is not active. It becomes active if I open internet explorer.

I would like to activate connection in my application. I'm trying to do this with RasDial function over ctypes library, but I can't get it to work. Is this the right way or I should do something else?

Below is my current code. The ResDial function keeps returning error 87 – Invalid parameter. I don't know anymore what is wrong with it.

I would really appreciate any kind of help. Thanks in advance.

#encoding: utf-8

import ppygui as gui
from ctypes import *
import os

class MainFrame(gui.CeFrame):
def __init__(self, parent = None):
gui.CeFrame.__init__(self, title=u"Zgodovina dokumentov", menu="Menu")

DWORD = c_ulong
TCHAR = c_wchar
ULONG_PTR = c_ulong

class RASDIALPARAMS(Structure):
_fields_ = [("dwSize", DWORD),
("szEntryName", TCHAR*21),
("szPhoneNumber", TCHAR*129),
("szCallbackNumber", TCHAR*49),
("szUserName", TCHAR*257),
("szPassword", TCHAR*257),
("szDomain", TCHAR*16),
]

try:
param = RASDIALPARAMS()
param.dwSize = 1462 # also tried 1464 and sizeof(RASDIALPARAMS()). Makes no difference.
param.szEntryName = u"My Connection"
param.szPhoneNumber = u"0"
param.szCallbackNumber = u"0"
param.szUserName = u"0"
param.szPassword = u"0"
param.szDomain = u"0"

iNasConn = c_ulong(0)
ras = windll.coredll.RasDial(None, None, param, c_ulong(0xFFFFFFFF), c_voidp(self._w32_hWnd), byref(iNasConn))
print ras, repr(iNasConn) #this prints 87 c_ulong(0L)
except Exception, e:
print "Error"
print e

if __name__ == '__main__':
app = gui.Application(MainFrame(None))
# create an application bound to our main frame instance
app.run()
#launch the app !

'How can I dial GPRS/EDGE in Win CE' Thread RSS Feed

How can I dial GPRS/EDGE in Win CE