[PD] LibPd on microcontroller
Chuckk Hubbard
badmuthahubbard at gmail.com
Sat May 14 01:03:37 CEST 2016
Thanks. Still, I have the feeling it will not be so simple without an OS.
Anyone tried it?
-Chuckk
On Sat, May 14, 2016 at 1:34 AM, cyrille henry <ch at chnry.net> wrote:
> heavy compile pd patch in C code.
> you can then compile this C code to whatever architecture/platform you
> wish.
>
> cheers
> c
>
>
> Le 14/05/2016 00:22, Chuckk Hubbard a écrit :
>
>> Apropos of the heavy compiler, I was reading up on it and simply moved on
>> because of what seems to me a lack of information. There was an allusion to
>> it working for a wide variety of platforms and so on, but no actual lists
>> of this supposedly wide variety.
>> Does someone have an idea if it could compile Pd patches to work without
>> an OS for some architecture? Otherwise, why would you bother with it?
>> (that's not a rhetorical question)
>> Thanks.
>> -Chuckk
>>
>>
>> On Mon, May 9, 2016 at 6:39 PM, cyrille henry <ch at chnry.net <mailto:
>> ch at chnry.net>> wrote:
>>
>> hello,
>>
>> I recently send a mail in this list describing my experience of audio
>> synthesis on microcontroler, but i did not use libpd.
>>
>> i did not recommend libpd for microcontrolers.
>>
>> in fact, I did not recommend audio processing on hardware that did
>> not have support for float arithmetic.
>> (only me or crazy nerd do that).
>>
>> a micro controller to use is for example the cortex M4. You can find
>> them on the teensy hardware.
>> teensy also provide a audio synthesis library, and is supported by
>> arduino IDE.
>>
>> You can also have a look at the heavy compiler if you want to
>> embedded a pd patch.
>>
>> Cyrille
>>
>>
>>
>>
>>
>> Le 09/05/2016 17:01, Christof Ressi a écrit :
>>
>> Hi,
>>
>> has anyone experience in using LibPd on a microcontroller?
>> I wanna try to run some rather basic DSP code on this guy here:
>>
>> https://www.olimex.com/Products/IoT/MOD-WIFI-ESP8266-DEV/open-source-hardware
>> There are some existing Arduino/C++ frameworks and I thought I
>> could either write my own small DSP library in C++ or use LibPd.
>>
>> I understood that LibPd is completely independed of audio drivers
>> and external libraries and since it's plain C code it should work on
>> everything that can run code. However, I have only encountered LibPd in the
>> context of other applications (processing, openFrameworks) and mobile
>> devices so far. Do you think it could work on an ESP8266? I'm also a bit
>> concerned about efficiency, as computation power is rather limited:
>>
>> "ESP8266EX is embedded with Tensilica L106 32-bit micro
>> controller (MCU), which features extra low
>> power consumption and 16-bit RSIC. The CPU clock speed
>> is 80MHz. It can also reach a maximum
>> value of 160MHz. Real Time Operation System (RTOS) is
>> enabled. Currently, only 20% of MIPS has
>> been occupied by the WiFi stack, the rest can all be
>> used for user application programming and
>> development."
>>
>> Christof
>>
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