PARCP-USB

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joysfera
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PARCP-USB finished

Postby joysfera » Fri Nov 28, 2014 6:11 pm

Hello guys,

thank you for your support. I have finished the PARCP-USB and updated the web at http://joy.sophics.cz/parcp/parcp-usb.html. Please have a look there, it describes everything including internals, pricing information and even reasons for some of the decisions I've made during the development. And of course there are some photos of the finished device.

Please let me know by e-mail (pstehlik@sophics.cz) whether you want to buy the PARCP-USB adapter. I need to order the components to start building them, you know.

Thanks,

Petr

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Re: PARCP-USB

Postby Dal » Fri Nov 28, 2014 9:44 pm

Wow - it looks really nice!

I have emailed my order :)
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Re: PARCP-USB

Postby dbsys » Sat Nov 29, 2014 11:48 am

Great news.

I will order one.


PS: Out of interest, what would it take to port the PARCP software to OS X?

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Re: PARCP-USB

Postby simonsunnyboy » Sat Nov 29, 2014 12:10 pm

Nice job, I will place my order later on.
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Re: PARCP-USB

Postby frank.lukas » Sat Nov 29, 2014 12:57 pm

I see it is Windows and Linux only, so for me OSX support would be nice ...
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Re: PARCP-USB

Postby joysfera » Tue Dec 02, 2014 1:14 pm

I'd like to offer PARCP for OSX as well but I have neither the hardware (Mac) nor the software (SDK?).

Can someone here suggest me how to cross-compile the existing source code (plain C + ncurses library) for OSX? The code is fairly portable, I believe. And for USB I use the HIDAPI library that has support for OSX, so there should not be many obstacles, hopefully.

Though I don't know how Mac can handle console application. Perhaps it has something like terminal window (TOSWin2? ;-)

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Re: PARCP-USB

Postby joska » Tue Dec 02, 2014 2:20 pm

I don't know anything about cross-compiling for OS X, but I found this.
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Re: PARCP-USB

Postby DarkLord » Tue Dec 02, 2014 6:28 pm

I'm in for one! Really neat, clean design.

Thanks for all the hard work on this! :)
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Re: PARCP-USB

Postby joysfera » Sat Dec 06, 2014 11:50 pm

Thank you guys for your kind words and keep the orders coming. I have ordered large amount of all the necessary components :)

Jo Even, that cross compiler you've found seems pretty promising. I talked with its author and he confirmed that it was possible to create fully working binaries for OSX from Ubuntu. Will give it a try soon. A working OSX binary would be a great addition to the existing set of TOS, Linux and Windows binaries running on m68k, i386, amd64 and ARMv6 CPUs :)

BTW, I have just released new version of PARCP software and updated the PARCP What's new page.

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Re: PARCP-USB

Postby dbsys » Sun Dec 14, 2014 1:02 pm

I am wondering if the PARCP Software on the Windows side can handle two Ataris hooked up at the same time via one each PARCP-USB interface?

The background of this question is to use the Windows PC and the PARCP software to exchange data between the two Atari machines.

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Re: PARCP-USB

Postby joska » Sun Dec 14, 2014 1:46 pm

Can't you just use the classic Parcp cable and connect the two Ataris directly?
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Re: PARCP-USB

Postby dbsys » Sun Dec 14, 2014 3:25 pm

joska wrote:Can't you just use the classic Parcp cable and connect the two Ataris directly?


Yes, I could. The idea of having the PC in-between is, to use it as a file server.

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Re: PARCP-USB

Postby joysfera » Mon Dec 15, 2014 11:14 pm

dbsys wrote:I am wondering if the PARCP Software on the Windows side can handle two Ataris hooked up at the same time via one each PARCP-USB interface?

This isn't possible - I am wondering how you'd want to wire the two Atari parallel ports into one parallel port of the PARCP-USB?

What is possible, though, is to plug several PARCP-USB adapters into one PC (running Windows if you wish) and then hook up several Atari computers to one PC. This is well tested as I use similar arrangement for testing the PARCP-USB adapters before shipping them.


BTW, for those waiting for their PARCP-USB adapters: I've got fully soldered 11 boards waiting just for CPUs. As soon as they arrive (tomorrow, hopefully) I'll solder them, test the adapters and start shipping them.

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Re: PARCP-USB

Postby dbsys » Tue Dec 16, 2014 6:52 am

joysfera wrote:
What is possible, though, is to plug several PARCP-USB adapters into one PC (running Windows if you wish) and then hook up several Atari computers to one PC. This is well tested as I use similar arrangement for testing the PARCP-USB adapters before shipping them.



That´s exactly what I asked.

Will the PARCP software itself be able to handle several PARCP-USB adapters? What is the most practical way to work?

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Re: PARCP-USB

Postby joysfera » Tue Dec 16, 2014 12:49 pm

dbsys wrote:Will the PARCP software itself be able to handle several PARCP-USB adapters? What is the most practical way to work?

Nope, the PARCP is strictly point-to-point communication. Simply said each interface (USB or parallel port) needs its own PARCP instance. But in a multitasking OS (Windows, Linux, MiNT) you can run several PARCP instances easily. It doesn't consume any CPU time nor other resources (apart from a bit of memory).

This is where the "-f" command line parameter comes handy. You can have several PARCP.CFG files with different configuration and then start several PARCP instances, like this:

PARSERVE.EXE -f parcpLPT1.cfg
PARSERVE.EXE -f parcpUSB2.cfg
PARSERVE.EXE -f parcpUSB3.cfg

put these lines in a start-parserver.bat, let it run after your Windows boot up and you're done :) Then on your client computers run PARCP whenever you need to copy stuff. The servers will keep running until you shut your Windows down.

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Re: PARCP-USB

Postby dbsys » Thu Dec 18, 2014 2:59 pm

joysfera wrote:
dbsys wrote:Will the PARCP software itself be able to handle several PARCP-USB adapters? What is the most practical way to work?

Nope, the PARCP is strictly point-to-point communication. Simply said each interface (USB or parallel port) needs its own PARCP instance. But in a multitasking OS (Windows, Linux, MiNT) you can run several PARCP instances easily. It doesn't consume any CPU time nor other resources (apart from a bit of memory).

This is where the "-f" command line parameter comes handy. You can have several PARCP.CFG files with different configuration and then start several PARCP instances, like this:

PARSERVE.EXE -f parcpLPT1.cfg
PARSERVE.EXE -f parcpUSB2.cfg
PARSERVE.EXE -f parcpUSB3.cfg

put these lines in a start-parserver.bat, let it run after your Windows boot up and you're done :) Then on your client computers run PARCP whenever you need to copy stuff. The servers will keep running until you shut your Windows down.


Wow, this is great news and serves exactly the purpose I was looking for. Great work!!

So I will definately get me a second PARCP-USB device, which I already ordered.

Thanks a lot for all your hard work.

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Re: PARCP-USB

Postby joska » Sat Jan 03, 2015 10:27 am

One happy customer here :) I received the adapter a few days ago and has used it with my Mega and the Falcon/AB. It doesn't work properly with TOS 1.02 on my Mega but with newer TOS-versions it works flawlessly. On the Falcon I've seen speeds above 100kb/s, which is more than my ethernet card can do.

The Mega only has an ACSI drive so I've been using floppy-net to transfer stuff to it until now. PARCP makes it so much faster and easier. I've found that the software is far more advanced than it looks at first glance, reading the docs is a must to get full usage of it.
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Re: PARCP-USB

Postby dbsys » Sat Jan 03, 2015 4:15 pm

joska wrote:One happy customer here :) I received the adapter a few days ago and has used it with my Mega and the Falcon/AB. It doesn't work properly with TOS 1.02 on my Mega but with newer TOS-versions it works flawlessly. On the Falcon I've seen speeds above 100kb/s, which is more than my ethernet card can do.

The Mega only has an ACSI drive so I've been using floppy-net to transfer stuff to it until now. PARCP makes it so much faster and easier. I've found that the software is far more advanced than it looks at first glance, reading the docs is a must to get full usage of it.


Great news either way.

First, PARCP-USB are obviously shipping, so I will hopefully soon get more info on how to pay.
Second, PARCP-USB seems to perfectly work with your Falcon. My main Ataris are all Falcons!

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Re: PARCP-USB

Postby joysfera » Sun Jan 04, 2015 10:55 am

The waiting is over: the batch of PCBs I ordered on Nov 27 finally arrived two days ago (apparently the Christmas season delayed it by 10 days). I've been soldering since then non-stop and will have all your PARCP-USB adapters ready for shipping in less than three days. I'll email each of you who ordered it in the last month with payment details.

BTW, after shipping all the previously ordered items I will have four extra adapters ready so if anyone wants to join the exclusive club of satisfied PARCP-USB owners just email me and you can get it without any waiting :-)

Frankly, I don't know why the PARCP software (not the PARCP-USB hardware) misbehaves with old TOS 1.02. But it's definitely a software bug so it should be possible to fix it. There's an simple workaround even for those who insist on keeping the old TOSes: they can start TOS 1.4 or TOS 2.06 (they're apparently available as AUTO folder programs) and then PARCP works correctly. Weird. Perhaps the old TOS is so slow when it comes to directory operations (FsFirst/FsNext)? Or the MiNTlib I use in PARCP does not cope with some limitations in the old TOS? I don't know and don't have anything but Falcon handy to test with.

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Re: PARCP-USB

Postby dhedberg » Sun Jan 04, 2015 11:20 am

I totally missed this thread! I'm interested and would like to buy one of the remaining PARCP-USB! I've sent you an e-mail.
Last edited by dhedberg on Sun Jan 04, 2015 7:10 pm, edited 1 time in total.
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Re: PARCP-USB

Postby frank.lukas » Sun Jan 04, 2015 12:18 pm

I will buy one too ...

I hope for some OSX Support !?!
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Re: PARCP-USB

Postby 499 » Tue Jan 06, 2015 4:54 am

Payment sent, can't wait to get it, thanks!

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Re: PARCP-USB

Postby joysfera » Tue Jan 06, 2015 2:08 pm

These are the fruits of five day soldering marathon :)
parcp-usb.jpg

I'm posting this picture to ensure you the PARCP-USB is indeed being shipped. This is actually the fourth batch. You can notice the two items at bottom right are still free ;)
You do not have the required permissions to view the files attached to this post.

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Re: PARCP-USB

Postby DarkLord » Tue Jan 06, 2015 2:16 pm

Very nice! :)

I'm not surprised about TOS v1.02. Seems there are a lot of things
that don't work well with it. Just recently, Jookie had problems
with his CosmosEX device with earlier TOS versions.

As dead easy as it is to upgrade to TOS v1.04, a much better and
more stable version, I don't know why people haven't done it.
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