[PD] Pduino and the AD5206 digital potentiometer
Hans-Christoph Steiner
hans at eds.org
Wed Mar 5 16:50:27 CET 2008
I am unlikely to write software for that chip unless I have a use for
it. But a firmware supporting it sounds useful. Firmata is an
Arduino library, so the easiest route would probably make a dedicated
firmware for that chip then use the Firmata to handle the
communications.
.hc
On Mar 5, 2008, at 4:43 AM, nick burge wrote:
> I got my AD206 chip as a free sample from analog devices
> http://www.analog.com/commerce/index.html
> It would be great to have support within Firmata for SPI - (serial
> peripheral interface) allowing control over this digital
> potentiometer or other devices and sensors that work with that
> protocol when connected to an arduino.
> Could it possibly work to simply copy sections of the code from the
> arduino tutorial into the firmata firmware , first the definitions,
> then the void setup section and then the write_pot(0,0) command to
> control the device into the loop section.? As you can tell I have
> little idea how to do this.
> Nick.
>
> From: Hans-Christoph Steiner [mailto:hans at eds.org]
> Sent: 04 March 2008 14:39
> To: nick burge
> Cc: 'Pd List'
> Subject: Re: [PD] Pduino and the AD5206 digital potentiometer
>
>
> It would be possible to add support to Firmata for this, but it's
> not currently there. I don't have any of these chips, any
> volunteers? Patches welcome :D
>
> .hc
>
> On Feb 26, 2008, at 8:54 AM, nick burge wrote:
>
>> Dear PD list. I would like to be able to control the AD5206 chip
>> (a 6 channel digital potentiometer) from within the Pduino object
>> written by Hans-Christoph Steiner. The idea comes from one of the
>> tutorial exercises in the C++ arduino program.
>> http://www.arduino.cc/en/Tutorial/SPIDigitalPot
>> Is this relatively simple to do, or simply impossible? The aim in
>> the long run is to be able to be able to calibrate 6 force sensors
>> remotely using the digital potentiometers for an art installation
>> project.
>> I have got the above mentioned tutorial project up and running
>> succesfully using the arduino program, and I am also able to get
>> Pduino communicating with the arduino quite happily on my Windows
>> Vista system, but I would imagine to have control over the the
>> digital potentiometer device from within PD would require a
>> revision to the Firmata firmware would it not? I would be most
>> grateful for a clue.
>> thank you for your attention, sincerely, Nick Burge.
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>
>
>
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