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[avr-gcc-list] Re: Using multiple versions of AVR Studio (was Re: crosst

From: David Brown
Subject: [avr-gcc-list] Re: Using multiple versions of AVR Studio (was Re: crosstool-NG)
Date: Fri, 04 Mar 2011 21:48:47 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc14 Thunderbird/3.1.7

On 04/03/11 20:53, Graham Davies wrote:
I wrote:

Since you can have only one version of AVR Studio installed at a time
AVR Studio does not uninstall reliably, this means that I have to
the operating system to switch versions.

and then Trevor Woerner wrote:

Wow, that's crazy!

It may seem crazy, I admit. But, once you've realized that this is the
way you're going to have to work you can actually get it down to a
couple of hours from the start to being productive again. My
installation is stripped down with nLite, for a start, and I have saved
off a disk image after the second reboot during the installation process
that I just restore. All I really have to do is reinstall all my drivers
and the applications I need. There are other benefits to frequently
reinstalling a stripped-down Windows, such as blazing speed and great
stability, that you don't get if you use the same install for a year or
so. Also, I avoid installing any Microsoft products.

As a possible work-around have you considered using VMs?

Oh, yes. I have invested scores of hours in trying to get VirtualBox to
work properly. But I just can't seem to get it to play with USB devices,
such as the AVR Dragon and JTAGICE Mk II using the Jungo driver. I even
tried throwing out Windows as the host and starting from Linux and
running Windows in a VM under that. This didn't work because I couldn't
find a Linux driver for my video hardware that has asymmetric
dual-monitor support, which I have grown dependent on.

I find VirtualBox invaluable for all sorts of purposes (with both Windows and Linux hosts, and Windows and Linux guests) - but USB devices using a Windows host is still a mystery. Sometimes it works fine, but most of the time it's unreliable. I find it is very much easier and more reliable when using a Linux host.

Another advantage of using VirtualBox is that you can have snapshots in a tree structure. So you can make a basic Windows install, then take a snapshot. Install a version of AS, then snapshot it. Go back to the basic install snapshot and start again - install a different version of AS, and snapshot that. Then moving between versions of AS is just a matter of restarting your snapshot virtual machine.

There will almost certainly be a solution to your dual-monitor problem (I have asymmetric dual monitors running with Fedora here), but it's way off-topic for this list. You can email me directly if you want, but I'm off on holiday for a week so don't expect a quick answer!

Of course I'm ignoring licensing issues here.

To a certain extent, so am I. I have a legal copy of Windows to do all
the above, but I never activate it. I just reinstall every 30 days. I
have a second legal copy, that *is* activated, dual-booting on the same
PC, that I use for hardware design. I am really, really careful what I
install on that and so far that still flies. Having a very fast and
stable computer is worth a couple of hours of drudgery every month to me.


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