[NTLK] Searching for Jerome Vernet's application IrDAPackageInstaller
David Arnold
davida at pobox.com
Mon Mar 24 18:02:43 PDT 2025
> On 25 Mar 2025, at 10:20, Vladislav Korotnev <vladkorotnev at gmail.com> wrote:
>
> I remember trying to use that package back in the day but never got it to
> work reliably.
>
> IIRC, the IrDA implementation of the Newton doesn't support OBEX which was
> the common way of transferring files back in the day e.g. between
> cellphones. They communicate using their own bespoke protocol on top of
> IrDA.
IIRC, you’re correct: Apple did not provide an ObEx implementation.
All Newtons use the Sharp ASK protocol; later models also support IrDA.
> On which note, if there is a way to beam packages without having to
> bootstrap something like IrDAPackageInstaller, it may be worth investing
> time into figuring out that protocol instead. For example, the ESP32
> microcontroller is very cheap and modern but also supports infrared
> transceivers on a hardware level with DMA and all that fancy stuff, so if
> it was possible to make a package installer device with that.. :-)
Newtons, I think from the OMP onwards, have the ability to beam packages to each other (unless the package has the protected flag set, but there’s a way to unset that).
I don’t recall if that works from MP2K to eg. OMP, but I suspect it does?
In which case, it must run over ASK.
Driving ASK from a modern microcontroller should be feasible. The eg HSDL-1100 transceiver seems to be widely available in the surplus market.
As always, a simple matter of programming :-)
d
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