Re: TI-H: TI-Modem
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Re: TI-H: TI-Modem
>heheh, but I/O is cheap, why bother... I noticed that the AVRs
>(at least the early ones I got) sometimes puke when you change from
>output to input and this can mess up TI routines in rare cases.
whats the number on the bottom of yoru chip? i'd order a few samples from
marshall and get the new ones. there were problems the atmel mailing list
was discussing about the EEPROM and I/O failing to work properly on hte
newer ones...
>It can certainly be done, but you probably still need the pull-ups.
>You may also want (just to be safe) current limiting resisters so
>that the TI isn't outputing a high while the AVR is outputting a low.
>This won't hurt the TI link port (because of the way it works,
>wired-AND) but it may cause problems for the AVR's relatively weak
>output drivers.
>
>I'd love some more info tho, I may need two more I/O lines in the
>future. Although I think the module port is robust enough as-is.
>
>Bryan
>
>Grant Stockly wrote:
>>
>> No... I just said taht because I can... :) Anyway, you can rewrite your
>> tiwork routines to only use 2 I/O wires instead of 4... Just cannge the
>> data direction on the fly. It works almost too well for me...
>>
>> What I am going to release is a botboard type thing (like the 68HC version)
>> but for the calc. THat would be cool...
>>
>> >Nevertheless, I wish you would stop calling your designs "EII"s.
>> >You're my original subcontractor, but that doesn't mean you can slab
>> >an AVR and a mem chip together and have an authentic EII. An EII
>> >clone, maybe, but I doubt you have the latest firmware source.
>> >
>> >That said, I'd like to get on with my life and hope you aren't
>> >still mad at me. As for providing info on my website, I'm not
>> >trying to milk this project for thousands of dollars. I want
>> >to recover my costs and hundreds of hours of effort, definitely,
>> >but I see no point in keeping information secret.
>> >
>> >Sorry,
>> >
>> >Bryan
>> >
>> >Grant Stockly wrote:
>> >>
>> >> Bryan, I don't have any of the source you gave for the EuP or the EuP92
>> >> driver. What you posted on your web site and what I can find on the
>> >> internet is overly sufficient to build a "clone". Remember that e-mail
>> >> about 3 months ago that you never responded to in which I asked you
>>for the
>> >> source because my HD died?
>> >>
>> >> >The hell you can... remember that thing called an NDA? Also...
>> >> >I wish you'd stop using the phrase 'EII' when naming your
>> >> >projects. Any modification you make to the 'EII' firmware
>> >> >that I sent you makes it into your code. Mel handed the EII
>> >> >over to me, like it or not, and its going to get pretty damn
>> >> >confusing if we're both working on a device by the same name.
>> >
>> >--
>> >Bryan Rittmeyer
>> >mailto:bryanr@flash.net
>> >http://www.bridges.edu/horizon/
>
>--
>Bryan Rittmeyer
>mailto:bryanr@flash.net
>http://www.bridges.edu/horizon/
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