[Coco] Drivewire & Linux
gheskett at wdtv.com
Wed Apr 18 22:40:01 EDT 2012
On Wednesday, April 18, 2012 10:38:24 PM Aaron Wolfe did opine:
> On Wed, Apr 18, 2012 at 9:00 PM, gene heskett <gheskett at wdtv.com> wrote:
> > On Wednesday, April 18, 2012 08:58:30 PM Bill did opine:
> >> I saw that DriveWire was compatible with Linux, but I don't see the
> >> software for Linux anywhere. Did I miss it?
> > One of the advantages of a .jar file. It runs on ANY* java-1.5 or
> > newer JRE. IOW, no special linux version, and it works fine here on
> > a PCLOS-2012 box.
> * Well.. almost :) Before somebody throws it on their old
> SPARCstation, OS/2 machine or S/390..
> While the server certainly can run on all of those platforms, I used a
> jni based serial library called RXTX in DW.
> This means we use a shim of native code to communicate with the serial
> hardware, defeating a bit of Java's run anywhere style but giving us
> nice serial capabilities.
> RXTX has builds for about 30 architectures and you can build it from
> source pretty easy on most anything *nixish,
> however only a select set of native drivers are included in the jar.
> If you are using one of: Win 32 or 64, Linux 32 or 64, OSX 32 or 64,
> or FreeBSD 32 or 64 then it will (should at least) detect this, pick
> the corresponding native serial driver from the built in set and all
> is well.
It was easy here, but IIRC I did have to build it. AIR it wasn't that big
or long a deal.
Thanks for the correction.
> If you are using anything else, you will have to acquire RXTX on your
> own, which may be easy or not easy.
> Even if you get the server running on an "exotic" platform, the GUI
> has its own set of challenges due to my use of the SWT graphics
> library. I could have used swing and made it work everywhere, but
> swing is ugly and I just don't like it. So.. for the GUI to work you
> must be using one Win/Lin/OSX * 32 or 64 (sorry no freebsd for the
> Adding a new GUI platform requires building DW4 from the java source.
> Each platform I pack into the default jar adds 2-4MB to the total jar
> size so I only put in the above set. Honestly I would probably just
> stick to them when you need a GUI, as the GUI doesn't need to run on
> the same machine as the server at all.
> The craziest platforms I've made work so far are a little Nokia N800
> tablet and a linksys router/nas box running the server. In both cases
> I just ran the GUI on my windoze box. I think these new raspberry pi
> and other very cheap very tiny linux sbcs are prime candidates for
> packing the DW server into a rompak, just haven't got my hands on one
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