[PD] [PD-ot] Raspberry Pi (was: Re: [OT] openstomp ... PD pedal?)

[Billy Stiltner]

GPIO sounds like a microcip PIC io port.

On Fri, Mar 23, 2012 at 5:29 PM, dreamer <dreamer at puikheid.nl> wrote:

> On the RaspberryPi website the question about the absence of audio-input
> was answered recently:
>
> There are no inbuilt Audio ADC’s so there would be a cost adder – everyone
> was sat on my head to get costs down. They can be easily added via the GPIO.
>
> So, still a possibility in an embedded openstomp-ish device.
>
>
>
>
>
> On Sun, Mar 4, 2012 at 6:26 PM, dreamer <dreamer at puikheid.nl> wrote:
>
>> An arm-based device I would like to have pd on is the Pandora, based
>> on the OMAP3530.
>> Which has audio-in/out and gpio on a single plug.
>>
>> Combining that with a stompbox that holds, for instance, an msp430
>> (launchpad, by ti) with an lcd-screen and some nobs would make for a
>> very nice interface :)
>>
>> Still looking in to compiling for their OS.
>> The pandora is then again a very small niche, hence I was reflecting
>> on the current interest towards the RasPi.
>> However I didn't realize this device doesn't have line-in, so that
>> indeed is a little discouraging.
>>
>> Alexander
>>
>>
>>
>> On Sun, Mar 4, 2012 at 6:15 PM, Ed Kelly <morph_2016 at yahoo.co.uk> wrote:
>> > Hmm. Doesn't seem to have an audio input though, so perhaps it'll work
>> for a
>> > synthesizer but not for a "stompbox" straight away. The site recommends
>> a
>> > "USB microphone" for audio in, so that's not encouraging...
>> > Ed
>> >
>> >
>> >> So what about a Raspberry Pi  inside a stompbox that runs pd?
>> >> But could the arm11 in that thing handle awesum (sic) audio
>> processing? ;)
>> >
>> > Well the Raspberry Pi is based on an ARM chip. Does anyone know how
>> these
>> > chips compare when running RJDJ or libPD applications?
>> > Perhaps this is a possibility, without too much modification of libPD or
>> > even RJDJ.
>> > ...but someone would need to write a host for the Raspberry Pi.
>> >
>> >
>> >> What do you need by "writing a host for Pd"? Something like a very
>> simple
>> >> OS?
>> >
>> > Er..well I can see they run Linux, so I think I was mistaken. My head
>> was in
>> > the world of BASIC - nostalgia gets in the way of the facts!
>> > Of course, Pd would need to be compiled for the hardware.
>> >
>> > I think we need to wait until one of us gets one and tries it out
>> before we
>> > find out what they're capable of. I've expressed interest, but they're
>> > massively oversubscribed.
>> >
>> >
>> >
>> >> I bought mine yesterday, and should receive it in about a week. The
>> first
>> >> thing I'll do is try to install Pd.
>> >
>> >
>> >
>> > On the other hand, the idea of a dedicated PDOS isn't a bad idea...
>> > Ed
>> >
>> >
>> >> Yes, how hard would it be to have this?
>> > Well, it could be a highly stripped-down version of Linux. I don't think
>> > anyone has the time to write an OS, so I was being mischievous in
>> suggesting
>> > this. I am having some funny ideas today...
>> > Ed
>> >
>> > Pierre.
>> >
>> >
>> > Even if it was just the PD core, it would enhance the educational scope
>> of
>> > the Raspberry Pi - which is the whole point of this single-board
>> computer (I
>> > learned my first programming on a Sinclair ZX Spectrum in the 1980s).
>> >
>> > I never thought I would see the day when the BBC Microcomputer would
>> rule
>> > the world in telecommunications, but ARM chips and the ARM RISC
>> instruction
>> > set are running  every smartphone on the planet right now (correct me
>> if I'm
>> > wrong :) and some of these smartphones run RJDJ and libPD really well.
>> >
>> > Dataflow music programming in schools. Maybe...
>> >
>> > Ed
>> >
>> >
>> >
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>> >
>> >
>> >
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>> >
>> >
>> >
>> >
>> >
>> >
>>
>
>
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