But how can redesign Arduino traces ??

2010/7/16 funlw65 <[email protected]>

> Hi,
>
> I mean, try to put directly the Pic on Arduino board without the Atmel
> socket and this mean to redesign the Arduino board (traces). Try it
> and see how it goes. See if you can keep your actual map you did for
> Cuckoo. If you can, then is ok for both boards: Jaluino Cuckoo and the
> Jaluino (Arduino clone).
>
> Vasi
>
> On Jul 16, 9:45 pm, Sebastien Lelong <[email protected]>
> wrote:
> > Hi Vasi,
> >
> > I'm not sure to understand when you say "you will need to map the
> > pic directly on Arduino connectors". I first thought to just plug a PIC
> > instead of Atmega, but power pins just aren't compatible. I need at least
> to
> > remap them, this means a PCB. Since it means a PCB, I can (try to)
> continue
> > this mapping. Maybe we can design a PCB with 2 places for the PIC (or one
> > jumper to select mode):
> >
> >  1. one place where pins are mapped as closed as possible to Arduino's
> >  2. one place where pins are mapped a minimal, in this case Arduino's pin
> > names become irrelevant.
> >
> > Is that what you're suggesting ? For case 2., there can be "surprises",
> as
> > some pins are connected to resistors, etc... in Arduino schematic.
> >
> > Or do you actually mean to design another PCB as small as possible
> (minimum
> > mapping) ? (sort of Mini Cuckoo ?). If so, the problem is you probably
> (I'm
> > almost sure) won't be able to plug a PIC onto a PCB, then a PCB onto
> Arduino
> > connectors, then shield on top of this. You sure must use a PCB where PIC
> is
> > on the side (see pictures from first post).
> >
> > Seb
> >
> > 2010/7/16 funlw65 <[email protected]>
> >
> >
> >
> > > Hi Sebastien,
> >
> > > At first sight it looks ok. Now, before taking any decision, think at
> > > this.
> >
> > > Not everyone have an Arduino but, anyone knows how strong support will
> > > have from you (libraries and documentation). So, maybe others will
> > > request an Arduino like board, so you will need to map the pic
> > > directly on Arduino connectors.
> > > See how easy is this with actual mapping you did. See if you can
> > > design the traces without increasing too much the PCB or how many
> > > bridges you are forced to do (I can assure you, it is about a double
> > > sided board). So it may be needed to remap the whole thing. Don't
> > > forget that on second MSSP, you can remap the pins for SPI (you can
> > > have SPI2 on any mappable pin) and maybe this can help you...
> > > These are my advices. But depends entirely on you.
> >
> > > Have fun!
> > > Vasi(funlw65)
> >
> > > On Jul 16, 6:35 pm, Sebastien Lelong <[email protected]>
> > > wrote:
> > > > Hi guys, Vasi,
> >
> > > > Indeed pin mapping wasn't easy. Despite the great number of feature
> > > coming
> > > > with 18f25K22, I had to make compromise and add limitations... See:
> > >
> http://justanotherlanguage.org/content/jaluino/blog/cuckoo-meets-arduino
> >
> > > > <
> > >
> http://justanotherlanguage.org/content/jaluino/blog/cuckoo-meets-arduino
> > > >Vasi,
> > > > I know this is quite horrible to read :) but I also know you've been
> > > there
> > > > before, I would certainly appreciate if you could check this mapping
> and
> > > > tell me what you're thinking about it. I tried to log my thoughts
> > > explaining
> > > > my choices, I hope you can follow them !
> >
> > > > Cheers,
> > > > Seb
> >
> > > > 2010/7/12 funlw65 <[email protected]>
> >
> > > > > Sebastien,
> > > > > If you succeed in mapping this board, then an Arduino clone will be
> > > > > far easier for you. I can assure you!
> >
> > > > > Vasi()funlw65
> >
> > > > > On Jul 12, 5:45 pm, Sebastien Lelong <[email protected]>
> > > > > wrote:
> > > > > > Hi guys,
> >
> > > > > > As a log, summary and some sort of specification requirements
> (say it
> > > > > fast),
> > > > > > here's a page I've written, hopefully describing what I have in
> mind.
> >
> > >http://justanotherlanguage.org/content/jaluino/blog/jaluino-cuckoo
> >
> > > > > > Feel free to comment...
> >
> > > > > > Cheers,
> > > > > > Seb
> >
> > > > > > 2010/7/6 Sebastien Lelong <[email protected]>
> >
> > > > > > > Hi guys,
> >
> > > > > > > 2010/7/5 m...@watty <[email protected]>
> >
> > > > > > >> 44 pin or 64pin 18F67J50 SMD with option for  USB mini or
> micro
> >
> > > > > > > connector on cuckoo board
> >
> > > > > > > Such a board would act as an extension of existing Arduino, but
> I
> > > doubt
> > > > > it
> > > > > > > can be done without SMD components, right ?
> >
> > > > > > >> 6 pin ICSP on cuckoo too
> >
> > > > > > > this seems mandatory, indeed, even if it takes room.
> >
> > > > > > >> option for on board crystal.
> >
> > > > > > > What about selecting onboard Xtal (16MHz for Arduino 2009) or
> > > internal
> > > > > > > clock ? I could add another Xtal on Cuckoo board but I have
> doubts
> > > > > about
> > > > > > > room...
> >
> > > > > > >> option for 5V to 3V regulator
> >
> > > > > > > Do you mean to power the PIC ?
> >
> > > > > > >> Can be used in Arduino or as standalone module.
> >
> > > > > > > That would be great, something like
> > > > > > >http://www.solarbotics.com/products/kardw/.
> >
> > > > > > > About PIC selection, I've found 18f26k22 as an interesting
> > > candidate:
> > > > > > >   - 64KB memory
> > > > > > >   - 2 * USART
> > > > > > >   - I2C *and* SPI (2 * MSSP)
> > > > > > >   - independant analog pins, easier to map pins
> > > > > > >   - clock up to 64MHz, 16MIPS
> > > > > > >   - 3 external interupts
> > > > > > >   - 2 * PWM output
> >
> > > > > > > but not in production... Little brother 18f25k22 can be
> sampled,
> > > but
> > > > > "only"
> > > > > > > have 32KB memory. I'll try this one I guess. On the other side
> of
> > > the
> > > > > nest,
> > > > > > > Arduino provides:
> > > > > > >   - 1 USART
> > > > > > >   - 2 external interupts
> > > > > > >   - SPI
> > > > > > >   - I2C within ADC pins
> > > > > > >   - 6 PWM channels (this can't be defeated...)
> >
> > > > > > > This can be cuckooed by 18f25k22 :)
> >
> > > > > > >
> http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en546240
> >
> > > > > > > Cheers (Groeten)
> > > > > > > Seb
> >
> > > > > > >> On Jul 5, 4:29 pm, Sebastien Lelong <
> [email protected]>
> > > > > > >> wrote:
> > > > > > >> > Hi guys,
> >
> > > > > > >> > The Cuckoos are a bird family, known to be brood parasite.
> > > Mother
> > > > > Cuckoo
> > > > > > >> > lays its eggs on other bird's nest. Baby Cuckoo will be
> brooded
> > > and
> > > > > when
> > > > > > >> > hatched, will clear the nest from other eggs. It will be
> fed,
> > > for
> > > > > free,
> > > > > > >> > until it often reaches  ten times the size of its parents
> (which
> > > > > seem
> > > > > > >> dumb
> > > > > > >> > enough not to mention the subterfuge).
> >
> > > > > > >> > This gave me an idea for another Jaluino family. Codename:
> > > Jaluino
> > > > > > >> Cuckoo !
> >
> > > > > > >> > The idea is to unplug ATMega168 from Arduino Duemilanove and
> > > plug a
> > > > > > >> > Microchip PIC instead. A small PCB would probably needed to
> map
> > > > > pins. I
> > > > > > >> had
> > > > > > >> > a look potentials PICs, like 18F2680, 18F2620. 18F2550 isn't
> > > that
> > > > > useful
> > > > > > >> as
> > > > > > >> > there's no USB on Arduino Duemilanove. It would need UART,
> I²C,
> > > PWM,
> > > > > ADC
> > > > > > >> > (preferably with independent pin), and should run as fast as
> > > > > possible
> > > > > > >> with a
> > > > > > >> > 16MHz externak Xtal.
> >
> > > > > > >> > Does it sound doable ? Suggestions ? Warnings ?
> >
> > > > > > >> > Cheers,
> > > > > > >> > Seb
> > > > > > >> > --
> > > > > > >> > Sébastien Lelonghttp://www.sirloon.nethttp://sirbot.org
> >
> > > > > > >> --
> > > > > > >> You received this message because you are subscribed to the
> Google
> > > > > Groups
> > > > > > >> "jallib" group.
> > > > > > >> To post to this group, send email to [email protected].
> > > > > > >> To unsubscribe from this group, send email to
> > > > > > >> [email protected]<jallib%[email protected]>
> <jallib%[email protected]<jallib%[email protected]>
> >
> > > <jallib%[email protected]<jallib%[email protected]>
> <jallib%[email protected]<jallib%[email protected]>
> >
> >
> > > > > <jallib%[email protected]<jallib%[email protected]>
> <jallib%[email protected]<jallib%[email protected]>
> >
> > > <jallib%[email protected]<jallib%[email protected]>
> <jallib%[email protected]<jallib%[email protected]>
> >
> >
> > > > > > >> .
> > > > > > >> For more options, visit this group at
> > > > > > >>http://groups.google.com/group/jallib?hl=en.
> >
> > > > > > > --
> > > > > > > Sébastien Lelong
> > > > > > >http://www.sirloon.net
> > > > > > >http://sirbot.org
> >
> > > > > > --
> > > > > > Sébastien Lelonghttp://www.sirloon.nethttp://sirbot.org
> >
> > > > > --
> > > > > You received this message because you are subscribed to the Google
> > > Groups
> > > > > "jallib" group.
> > > > > To post to this group, send email to [email protected].
> > > > > To unsubscribe from this group, send email to
> > > > > [email protected]<jallib%[email protected]>
> <jallib%[email protected]<jallib%[email protected]>
> >
> > > <jallib%[email protected]<jallib%[email protected]>
> <jallib%[email protected]<jallib%[email protected]>
> >
> >
> > > > > .
> > > > > For more options, visit this group at
> > > > >http://groups.google.com/group/jallib?hl=en.
> >
> > > > --
> > > > Sébastien Lelonghttp://www.sirloon.nethttp://sirbot.org
> >
> > > --
> > > You received this message because you are subscribed to the Google
> Groups
> > > "jallib" group.
> > > To post to this group, send email to [email protected].
> > > To unsubscribe from this group, send email to
> > > [email protected]<jallib%[email protected]>
> <jallib%[email protected]<jallib%[email protected]>
> >
> > > .
> > > For more options, visit this group at
> > >http://groups.google.com/group/jallib?hl=en.
> >
> > --
> > Sébastien Lelonghttp://www.sirloon.nethttp://sirbot.org
>
> --
> You received this message because you are subscribed to the Google Groups
> "jallib" group.
> To post to this group, send email to [email protected].
> To unsubscribe from this group, send email to
> [email protected]<jallib%[email protected]>
> .
> For more options, visit this group at
> http://groups.google.com/group/jallib?hl=en.
>
>


-- 
Sébastien Lelong
http://www.sirloon.net
http://sirbot.org

-- 
You received this message because you are subscribed to the Google Groups 
"jallib" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to 
[email protected].
For more options, visit this group at 
http://groups.google.com/group/jallib?hl=en.

Reply via email to