Date: Mon, 21 Apr 2003 02:30:40 +0000 From: Anthony Naggs <tony@ubik.demon.co.uk> To: freebsd-mobile@freebsd.org, Steven J Corso <steve@netdtw.com> Subject: Re: Sierra Wireless AirCard 555 Message-ID: <qElLPXAQf1o%2BIwsg@ubik.demon.co.uk> In-Reply-To: <20030419194101.W26314-100000@maily.netdtw.com> References: <20030419194101.W26314-100000@maily.netdtw.com>
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In article <20030419194101.W26314-100000@maily.netdtw.com>, Steven J Corso <steve@netdtw.com> writes > >I would be pleased to donate $300.00 to FreeBSD if there is someone out >there who will make the above card work on FreeBSD 5.0 Release. You may get a little further if you offer this as a reward to a developer to write a driver. However as far as I can see Sierra Wireless don't publish enough information to do this properly. The 2 card AirCard 210, for example, is relatively straightforward to support. The Cellular Data card just needs to be detected and given power, the modem card looks like a serial port connected to a modem. It is given a sequence of AT commands to configure the Cellular Data Card and to make a call. The modem card can even be connected via a supplied cable to a POTS line. The AirCard 555/550, (also the 710 & 750), support much higher data rates with CDMA2000, (7x0 work with GPRS). Although everything is now on one PCMCIA Type II card there are two interfaces to control. A serial interface again looks like a modem, and AT commands can be used to control calls, send/receive SMS. Data transfer is through a NIC, which look like an Ethernet card. The registers for the NIC are not documented, though with a card to hand it may be possible decode how it works. Whilst the AT command set is documented it is insufficient to do things like configuring the cellular modem for a particular network. The AT command interface can also be disabled (locked). A proprietary, secret "CnS" or "Control and Status language" command set is used for many of the functions of the Windows "Watcher" program that manages the modem. Even though you know the unlock code CnS is the only method for locking and unlocking the modem. Let me explain my interest, particularly as this going to the FreeBSD mailing list too: I'm currently looking at how to support USB Comms Data Class for Wireless Mobile Communications Devices. I'm not aware of any such devices yet, but I'm sure they will appear this year. I would like FreeBSD 5.x to include all kinds of support for mobile phone devices: read/write address books; use as a wireless Internet link; send/receive faxes; stream audio for voice calls; act as a print server; send/receive SMS messages; send/receive picture messages; access the phone's memory e.g. for pictures taken with the built-in camera; etc... Cheers, Tony
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