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benryves
Cemetech Expert
Joined: 12 Aug 2008
Posts: 1358
Location: London, United Kingdom
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 Posted: 10 Oct 2010 08:20:52 am Post subject: |
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If going down the microcontroller route you could take a peer at the cheap ENC28J60 or similar and do away with the need for a computer entirely.  |
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KermMartian
Site Admin
Joined: 14 Mar 2005
Posts: 55742
Location: Earth, Sol, Milky Way
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| Posted: 10 Oct 2010 10:07:48 am Post subject: |
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| benryves wrote: | | If going down the microcontroller route you could take a peer at the cheap ENC28J60 or similar and do away with the need for a computer entirely. |
Ooooh, I like that idea a lot, BenRyves! And the units are onlu about USD3.00 in single quantities. 
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DJ_O
Retired TI-83+ coder
Joined: 18 Mar 2005
Posts: 1485
Location: Quebec (Canada)
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| Posted: 16 Oct 2010 03:25:12 am Post subject: |
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Regarding the site server change, I didn't notice much difference in speed personally. Usually it loads fast and there's the occasional 3-4 seconds page loading every now and then. I just don't see 30 second page loading anymore really.
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Retired 83+ coder, Omnimaga/TIMGUL founder. Now doing power metal music (formerly did electronica)
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KermMartian
Site Admin
Joined: 14 Mar 2005
Posts: 55742
Location: Earth, Sol, Milky Way
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| Posted: 16 Oct 2010 05:20:50 am Post subject: |
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| DJ Omnimaga wrote: | | Regarding the site server change, I didn't notice much difference in speed personally. Usually it loads fast and there's the occasional 3-4 seconds page loading every now and then. I just don't see 30 second page loading anymore really. |
Thanks, same here. Careful reading of that email with more coffee in me showed that the switchover had actually happened in June, so I don't know if that changes anything in your analysis.
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DJ_O
Retired TI-83+ coder
Joined: 18 Mar 2005
Posts: 1485
Location: Quebec (Canada)
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| Posted: 18 Oct 2010 04:08:03 pm Post subject: |
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Oh it happened in June? I thought it was recent. X.x That might explain why I do not notice much difference. It usually happens when posting. It could very well be my internet or computer, though. I'll need to check the script execution time at the bottom of each page to investigate...
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Retired 83+ coder, Omnimaga/TIMGUL founder. Now doing power metal music (formerly did electronica)
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_player1537
Guru-in-Training
Joined: 25 Nov 2009
Posts: 2958
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KermMartian
Site Admin
Joined: 14 Mar 2005
Posts: 55742
Location: Earth, Sol, Milky Way
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| Posted: 18 Oct 2010 04:23:08 pm Post subject: |
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| _player1537 wrote: | | Yeah, I've noticed it get really slow when I post as well. |
I've never really noticed that, although there are a lot of database accesses that need to be done when posts are made, and the database already has plenty of connections active thanks to SAX.
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KermMartian
Site Admin
Joined: 14 Mar 2005
Posts: 55742
Location: Earth, Sol, Milky Way
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| Posted: 20 Oct 2010 01:49:18 pm Post subject: |
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*bump* The CALCnet2.2 whitepaper has been updated with further information about the memory areas used by CALCnet, and the interrupt has tentatively been designed to properly deal with calculators set in 15MHz mode. I will require testing of this feature, and I also see that I need to fill in the Interfacing CALCnet2 section in the Doors CS wiki, as well as re-add its functions to the main SDK page. After I do that and fix the backoff, it's time for Doors CS 7.1 Beta 1! You can of course grab the CALCnet 2.2 Whitepaper here.
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ACagliano
Super-Expert
Joined: 08 Feb 2010
Posts: 922
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| Posted: 06 Nov 2010 02:10:36 pm Post subject: |
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Nice work. Kerm, will CalcNet 2.2 provide commands for networking, for use in Basic progs, as a library of sorts?
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-ACagliano
Current Projects
Legend of Zelda. "Ganon's Rage"
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KermMartian
Site Admin
Joined: 14 Mar 2005
Posts: 55742
Location: Earth, Sol, Milky Way
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| Posted: 06 Nov 2010 04:24:47 pm Post subject: |
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| ACagliano wrote: | | Nice work. Kerm, will CalcNet 2.2 provide commands for networking, for use in Basic progs, as a library of sorts? |
Thanks, Acagliano. At this juncture I have no plans to give BASIC programs access to CALCnet, although there have been many, many requests along these lines thus far. The biggest problems towards implementation would be to ensure the interrupt operated well with the TI-OS BASIC parser active. It's much easier to ensure that an ASM program isn't going to suddenly mess with interrupt state than it is for a BASIC program.
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darl181
New Member
Joined: 23 Jun 2010
Posts: 91
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| Posted: 12 Nov 2010 02:00:30 pm Post subject: |
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I've been looking through the PDF for a sort of "how-to". I've gathered so far that you splice the cables together or something. Is that it, or is there more (hardware-wise)?
Also, is there an easy way go get cables of this sort (not by mail)?
I think it's called a 2.5mm audio cable?
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KermMartian
Site Admin
Joined: 14 Mar 2005
Posts: 55742
Location: Earth, Sol, Milky Way
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| Posted: 12 Nov 2010 02:40:18 pm Post subject: |
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| darl181 wrote: | I've been looking through the PDF for a sort of "how-to". I've gathered so far that you splice the cables together or something. Is that it, or is there more (hardware-wise)?
Also, is there an easy way go get cables of this sort (not by mail)?
I think it's called a 2.5mm audio cable? |
It's as simple as splicing the cables together in parallel. Each cable has three wires: tip, ring, and ground (red, white, and copper). You simply connect the red wires from all your plugs together, the white wires from all your plugs together, and the coppers all together, forming three parallel star arrangements. Nothing more to it, no chips, no circuit boards, no soldering. I believe some 2.5mm stereo audio cables will work; one caveat is that you might need to shave down the plastic around the plugs in commercial audio cables for it to fit properly into the calculator's link port, especially on the TI-84+ series. Also, it has to be 2.5mm or 3/32" plugs, not 3.5mm or 1/8" plugs.
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