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

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Message-ID: <20190116230602.GA3131@amd>
Date:   Thu, 17 Jan 2019 00:06:02 +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!

> Yeah the scripts in droid4-sms-tools git repo work for me for sending
> and receiving. They do not work with cdma currently as the format is
> different.
> 
> Maybe you've managed to change the mode of the modem to queue the
> messages with the at commands to the usb port?

I did not have ttyUSB open during that boot. I hope this kind of
settings does not survive across reboots.

> You are reading and writing to /dev/motmdm9 for incoming sms right?

Yes, I think so. Same one where hex-coded PDU comes.

> > > 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 think AT+GCNMA=1 works 3g and AT+CNMA=0,0 with cdma. Or it could be
> that one of them is just a delayed ack, I don't know.

Strange. It does not seem to be recognized at all.

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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