Hi! > > More explanation needed it seems: > > > > I can already do USB with AT commands, no multiplexer needed. We'd > > actually prefer to go over serial (with multiplexer), because USB > > needs to be powered down in idle, and you still need communication > > ovre serial to know that wakeup of USB is needed. > > > > Yes, it is complex :-(. > > I missed the part that the weird serial multiplexer is wired independently. > Then do everything via that serial multiplexer and never look back. However > if that is as broken, then you will be really out of luck. Making this work > reliable will be really hard. > > While we have seen QMI protocol issues as well, but they have been less bad > than the bolted on AT commands. Manufactures always get AT commands wrong > since they let humans test it and not a real telephony stack like oFono. >
Yes, I understand why AT commands are bad. IIRC messages should work
over qmi... but voice calls do not:
user@devuan:/my/ofono$ sudo python test/dial-number 604343103
Using modem /gobi_0
Traceback (most recent call last):
File "test/dial-number", line 40, in <module>
path = vcm.Dial(number, hide_callerid)
File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line
70, in __call__
return self._proxy_method(*args, **keywords)
File "/usr/lib/python2.7/dist-packages/dbus/proxies.py",
line 145, in __call__
**keywords)
File
"/usr/lib/python2.7/dist-packages/dbus/connection.py",
line 651, in call_blocking message, timeout) dbus.exceptions.DBusException:
org.ofono.Error.NotImplemented: Implementation not provided
user@devuan:/my/ofono$
Communication with modem is definitely happening:
ofonod[7881]: drivers/qmimodem/network-registration.c:event_notify()
ofonod[7881]: drivers/qmimodem/network-registration.c:event_notify()
signal with 80%(-55 dBm) on 5
ofonod[7881]: src/network.c:ofono_netreg_strength_notify() strength 80
ofonod[7881]: drivers/qmimodem/network-registration.c:event_notify()
ofonod[7881]: drivers/qmimodem/network-registration.c:event_notify()
signal with 100%(-54 dBm) on 5
ofono supports voice calls over qmi, right? Is it possible that
mdm6600 does not support them?
qmicli has some voice options, but not option to do a call, either...
user@devuan:/my/ofono$ qmicli -d /dev/cdc-wdm0 --voice-get-config
error: couldn't open the QmiDevice: Cannot open device file '/dev/cdc-wdm0':
Permission denied
user@devuan:/my/ofono$ sudo qmicli -d /dev/cdc-wdm0 --voice-get-config
[/dev/cdc-wdm0] Successfully retrieved Voice configuration:
Current TTY mode: 'off'Current Preferred Voice SO:
NAM ID: '0'
EVRC capability: 'enabled'
Home Page Voice SO: 'evrc'
Home Origination Voice SO: 'evrc'
Roaming Origination Voice SO: 'evrc'
AMR Status:
GSM: 'enabled'
WCDMA: 'not-supported, gsm-hr-amr' (0x0005)
Current Voice Privacy Preference: 'enhanced'
user@devuan:/my/ofono$ sudo qmicli -d /dev/cdc-wdm0
--voice-get-supported-messages
error: couldn't get supported VOICE messages: QMI protocol error (71):
'InvalidQmiCommand'
user@devuan:/my/ofono$
Thanks,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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