Hey guys,
That is right, there is no intention to stop production of the Papilio Pro.
I think Sparkfun is just waiting for the newer Papilio DUO board... I
intend to support all of the Papilio boards for many years to come.
Thanks!
Jack.
On Tue, Oct 28, 2014 at 6:49 PM, Sébastien Bourdeauducq
wrote:
> Hi,
>
> As far as I know, there are no plans to stop the Papilio Pro production,
> but Jack can probably tell us about this.
>
> Porting ARTIQ to the Mojo board would mainly involve:
> 1. creating a new platform file in Mibuild with the pin assignments
> (
> https://github.com/m-labs/migen/blob/master/mibuild/platforms/papilio_pro.py
> )
> 2. creating a new base MiSoC target that uses it, with updated SDRAM
> parameters
> (https://github.com/m-labs/misoc/blob/master/targets/ppro.py#L70) and
> PLL settings
> (https://github.com/m-labs/misoc/blob/master/targets/ppro.py#L10).
> Probably this CRG module can be put in some library and shared between
> the two boards, as I imagine only the numbers would change.
> 4. finding a way to connect the MiSoC serial console to the PC,
> hopefully through the AVR. If there is already some code provided by
> Mojo that takes RS232 on the FPGA side and supports a /dev/ttyUSBX node
> on the PC, that's easy.
> 5. creating a new ARTIQ target that derives from the Mojo base MiSoC
> target (similar to
> https://github.com/m-labs/artiq/blob/master/soc/targets/artiq.py#L42)
> 5. developing support for the analog inputs: AVR code, AVR/FPGA
> communication protocol, FPGA core, ARTIQ runtime syscalls, Python
> driver. Or read the analog inputs from the PC if ~10ms timing precision
> is enough.
>
> Sébastien
>
>
>
> On 10/29/2014 06:27 AM, Sherman, Jeffrey A. wrote:
> > Hi,
> >
> > Long-time annoyer, first time caller.
> >
> > I'm curious if the Mojo FPGA development board is compatible (meaning
> only
> > minor re-configuring) with the current state of ARTIQ and related
> > toolchains. Links follow. From what I can tell:
> >
> > 1. The Mojo features the exact same Spartan 6.
> > 2. It includes an ATmega32U4 micro-controller, giving it on-board
> > analog-input capabilities.
> > 3. It is programmed via a USB connection to this micro-controller, rather
> > than the Papilio's directly connected USB chip (do I have that right?)
> > 4. It appears to lack onboard SDRAM, but the makers sell a 256Mbit
> > "shield". FLASH is 4Mbit, I think, and SPI serial.
> > 5. Mojo is in stock at SparkFun, Papilio Pro is not (sign of Papilio
> > production ending? or maybe nobody buys the Mojo?)
> >
> > https://embeddedmicro.com/products/mojo-v3.html
> > https://embeddedmicro.com/sdram-shield.html
> >
> >
> > N.B. "go away" is a perfectly acceptable reply. Other
> > advice/gossip/slander welcome.
> >
> > Jeff Sherman
>
>
--
Jack Gassett
http://www.GadgetFactory.net
http://Papilio.cc
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