> "So, SMS is signicantly slower because it uses ASCII conversion ?<br>> Interesting. Even at high baud rates ?"<br><br>SMS is aimed at ease of use and precision. Although I am surprised to ear about SMS's and Pduino's speed problems.
<br><br>I made an installation with an SSC-32 servo controller controlling 24 servos connected to PD. The SSC-32 is based on the SAME chip as the Arduino and uses a communication protocol VERY similar to SMS and I never experienced any problems.
<br><br>Maybe you are not keeping your messages simple enough? <br>Or maybe the big difference was that I was using a hardware serial port and not a USB>Serial chip/converter.
<br><br>Tom<br><br><br><div><span class="gmail_quote">On 6/21/07, <b class="gmail_sendername">Alexandre Quessy</b> <<a href="mailto:listes@sourcelibre.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
listes@sourcelibre.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi,<br><br>2007/6/21, tim <<a href="mailto:info@timvets.net" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">info@timvets.net</a>>:<br>><br>> Roman Haefeli wrote:<br>> On Thu, 2007-06-21 at 09:21 -0400, Alexandre Quessy wrote:
<br>><br>> Hi!<br>> I don't want to insist... but a task like this would be much easier
<br>> with the<br>> <a href="http://www.arduino.cc/playground/Code/SimpleMessageSystem" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">http://www.arduino.cc/playground/Code/SimpleMessageSystem
</a><br>> than with something not-as-flexible like Pduino.<br>><br>
> I agree to that.<br>> We did something similar a while ago, with realys, shift-registers and 13<br>> solenoids.<br>> It was fairly easy to make one firmware for pd communication with SMS as<br>> well as shifting code to drive the relays.
<br>> More complex passages showed some timing fluctuation, but overall timing<br>> was pretty good.<br>> Polyphony was kept at a maximum of 4, above that, things became more<br>> unstable.<br><br>So, SMS is signicantly slower because it uses ASCII conversion ?
<br>Interesting. Even at high baud rates ?<br><br><br>> In case you're interested, see<br>> <a href="http://www.timvets.net/projects/erkiandtim/poltergeist" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
www.timvets.net/projects/erkiandtim/poltergeist</a><br>
> We obviously were more inclined to drink beer than to shoot film that<br>> night...;)<br><br>Error 404 !<br><br>a<br><br>><br>> Tim<br>><br><br>--<br>Alexandre Quessy<br><a href="http://alexandre.quessy.net" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
http://alexandre.quessy.net</a><br><a href="http://www.puredata.info/Members/aalex" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">http://www.puredata.info/Members/aalex</a><br><br>_______________________________________________
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</a><br></blockquote></div><br><br clear="all"><br>-- <br>thomas ouellet fredericks,
<a href="mailto:tof@danslchamp.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">tof@danslchamp.org</a>, montreal, canada