linux-kernel - Re: WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver

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Date:   Wed, 16 Jan 2019 14:58:29 +0100
From:   Pavel Machek <pavel@....cz>
To:     Tony Lindgren <tony@...mide.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-omap@...r.kernel.org,
        Jarkko Nikula <jarkko.nikula@...mer.com>,
        Johan Hovold <johan@...nel.org>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Marcel Partap <mpartap@....net>,
        Merlijn Wajer <merlijn@...zup.org>,
        Michael Scott <hashcode0f@...il.com>,
        NeKit <nekit1000@...il.com>, omerlle@...il.com,
        Sebastian Reichel <sre@...nel.org>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Rob Herring <robh@...nel.org>
Subject: Re: WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver

Hi!

> * Pavel Machek <pavel@....cz> [181227 10:17]:
> > Ok, I really need SMS messages, too.
> > 
> > Fortunately, they are on /dev/motmdm9, in PDU format. Quite
> > logical. And you probably need to acknowledge them, using PDU,
> > too... (because otherwise you'll just get the same SMS over and over
> > and over). Which is also logical, but hard to do from shell/python.
> 
> Yeah so I found that Ruby pdu_tools module allows decoding PDUs
> properly while I did not have much luck with other tools.
> 
> So I wrote a hasty script to read SMS, copy it to a Maildir and
> then ack it:
> 
> https://github.com/tmlind/droid4-sms-tools

I could not get that one to work.

/var/lib/gems/2.3.0/gems/phone-1.2.3/lib/support.rb:47:in
`class_eval': /var/lib/gems/2.3.0/gems/phone-1.2.3/lib/support.rb:47:
`@@{' is not allowed as a class variable name (SyntaxError)
/var/lib/gems/2.3.0/gems/phone-1.2.3/lib/support.rb:47: syntax error,
unexpected end-of-input
          unless defined? @@{:default=>true}
	                              ^
from /var/lib/gems/2.3.0/gems/phone-1.2.3/lib/support.rb:47:in `block in cattr_accessor'
					

And I wanted to ask -- did you figure out how to acknowledge the
SMSs? +CGNNA does not seem to do the job:

07912470338016...
AT+CGNMA=1
+CGNMA:ERROR=9

> > Fortunately ttyUSB4 still works, so I can still use my old code... and
> > I started logging motmdm1 and 9 to a file as a backup... that should
> > be better than my existing solution. (But I don't get power benefits
> > etc.)
> 
> So what are you using to ack the received SMS over ttyUSB4?
> 
> My logs show that Android uses two different commands for ack.
> Either AT+GCNMA=1 or AT+CNMA=0,0 gets used depending on something
> that I have no idea of.. Maybe the network connected?

I believe I tried both... but for some reason I think you need to
paste back "acknowledge PDU"...?


Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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