Hi,
I'm trying to implement for Huawei E220 using Data Connection
Manager. I understand GPRS data conneciton is working in progress. But
I don't know much connection sequence that.
So I'd like to tell me how should I approach. and I guess data
connection in the following. If I mistake, please point out.
1. Launch ofonod, plug-in the modem.
2. Enable modems for getting modem information, Model, Manufacture, Serial and
so on(test/enable-modem).
3. Create a context(org.ofono.PrimaryDataContext) according to
doc/dataconnectionmanager-api.txt
ex. Japanese carrier
% ./test/list-contexts
[ /huawei1 ]
[ /huawei1/primarycontext1 ]
Username = em
Name = Example
Settings = { }
Active = 0
AccessPointName = 1
Password = em
Type = internet
4. Activate it. but currently it can not be atacched
Traceback (most recent call last):
File "./test/activate-context", line 38, in <module>
context.SetProperty("Active", dbus.Boolean(1))
File "/usr/lib/python2.6/site-packages/dbus/proxies.py", line 68, in __call__
return self._proxy_method(*args, **keywords)
File "/usr/lib/python2.6/site-packages/dbus/proxies.py", line 140, in __call__
**keywords)
File "/usr/lib/python2.6/site-packages/dbus/connection.py", line 622, in
call_blocking
message, timeout)
dbus.exceptions.DBusException: org.ofono.Error.NotAttached: GPRS is not attached
5. Dialup using ATDT (this case is support only Tone)
ATDT*99***1#
CONNECT
6. ppp0 interface up
7. Authenticate EAP, PAP or CHAP using Username, Passowrd
8. Getting IP Address, Netmask, Gateway from APN(?)
I guess Carriers and device obtained by different methods in 7, 8. But
I don't think that using AT commands.
Thanks,
--
Mitsutaka Amano
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