[PD] pduino and FSRs

Hans-Christoph Steiner hans at eds.org
Thu Apr 10 23:57:10 CEST 2008


What baud are you running each at?  IIRC, the XBee needs a strange  
value.

.hc
	
On Apr 10, 2008, at 5:52 PM, nick burge wrote:

> I wish I knew. I'm loading the arduino-test patch with no other  
> objects or abstractions so as to eliminate other suspects. Still PD  
> crashes when I enable more than 2 analogIns.
> Would it help to speed up or slow down the xbee connection?
>
> From: Hans-Christoph Steiner [mailto:hans at eds.org]
> Sent: 10 April 2008 23:12
> To: nick burge
> Cc: Pd List
> Subject: Re: [PD] pduino and FSRs
>
>
> The code and the electrics are quite separate. If the electrics  
> work with one firmware, then they'll work with another. The  
> question is, what is the "it" that grinds to a halt.
>
> .hc
>
> On Apr 10, 2008, at 4:17 PM, nick burge wrote:
>> Yes, I've got the latest version....maybe a silly question...but  
>> could it be that Pduino is optimised for sensors working on a  
>> supply of 5v. because the phidget voltage dividers i've got my  
>> FSRs attached to come with a potentiometer that alters the  
>> resistance of the circuit...with pduino i can only activate 2 at a  
>> time before it all grinds to a halt...on arduino2PD i can activate  
>> all six without any problem. Strange.
>> Nick.
>>
>> From: Hans-Christoph Steiner [mailto:hans at eds.org]
>> Sent: 10 April 2008 21:51
>> To: nick burge
>> Cc: Pd List
>> Subject: Re: [PD] pduino and FSRs
>>
>>
>> I've never run on Vista before, so I can't say much about that. I  
>> have run on Debian, Ubuntu, and Mac OS X. It shouldn't matter what  
>> is generating the data on the arduino, the messages coming to Pd  
>> via the serial port should be all the same.
>>
>> Are you using the latest version:
>> http://at.or.at/hans/pd/Pduino-0.3.1.zip
>>
>> .hc
>>
>> On Apr 10, 2008, at 12:57 PM, nick burge wrote:
>>> Hello Hans-Christoph, I am using PD 0.39.3 extended. on a windows  
>>> vista system. Its PD that crashes, or "stops working" as Vista so  
>>> nicely puts it, when I connect the FSRs.
>>> I have arduino connecting via wireless xbees at 19200 baud.
>>> I also use an infra red distance sensor that gives no problem.
>>> I've been routing the data from the FSRs through the autoscale  
>>> object.
>>> Maybe I should find a way to reduce the amount of data being  
>>> sampled...every 40ms for example? How would I do that?
>>> Nick.
>>> From: Hans-Christoph Steiner [mailto:hans at eds.org]
>>> Sent: 10 April 2008 17:25
>>> To: nick burge
>>> Cc: Pd List
>>> Subject: Re: [PD] pduino and FSRs
>>>
>>>
>>> Which program crashes? Which version are you using? You will get  
>>> a lot of data, from 6 sensors, Pduino/Firmata will read them all  
>>> every 20ms. I have never seen a crash using [arduino], except  
>>> when I unplug the arduino when Pd is connected to it, so I  
>>> suspect the problem lies elsewhere.
>>>
>>> .hc
>>>
>>> On Apr 10, 2008, at 11:16 AM, nick burge wrote:
>>>> I have a little problem using Pduino and some force sensing  
>>>> resistors that I am using in conjunction with phidget voltage  
>>>> dividers....they seem to crash the program as soon as I activate  
>>>> more than 1 at a time.....
>>>> Should I be applying some sort of filter to the data stream?
>>>> Arduino2PD seems more robust, allowing me to activate all 6  
>>>> analog inputs at once.
>>>> Nick Burge.
>>>> _______________________________________________
>>>> PD-list at iem.at mailing list
>>>> UNSUBSCRIBE and account-management -> http://lists.puredata.info/ 
>>>> listinfo/pd-list
>>>
>>>
>>>
>>> -------------------------------------------------------------------- 
>>> --------
>>>
>>> Looking at things from a more basic level, you can come up with a  
>>> more direct solution... It may sound small in theory, but it in  
>>> practice, it can change entire economies. - Amy Smith
>>>
>>>
>>
>>
>>
>> --------------------------------------------------------------------- 
>> -------
>>
>> There is no way to peace, peace is the way. -A.J. Muste
>>
>>
>
>
>
> ---------------------------------------------------------------------- 
> ------
>
> There is no way to peace, peace is the way. -A.J. Muste
>
>



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Mistrust authority - promote decentralization.  - the hacker ethic


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