Subject:
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Re: lnp communication question
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Wed, 17 May 2000 15:22:13 GMT
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Viewed:
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1267 times
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Remember the medium... cheap IR basically stinks for transmission. You
get transients from the lights in your room, the outdoors, yadda, yadda.
Luis (wishing for RF like the Europeans get ;)
On Wed, 17 May 2000, Steve Morris wrote:
> Date: Wed, 17 May 2000 13:51:00 GMT
> From: Steve Morris <smorris@nexen.com>
> To: lugnet.robotics.rcx.legos@lugnet.com
> Subject: Re: lnp communication question
>
> Team Lego wrote:
> >
> > You just pass an array and give the length, to send it.
> > In theory you can send packets with a size up to 255 bytes (look in this group,
> > the info is in here somewhere), but sending 1 byte has a packet loss of aprox. 1%
> > and 4 bytes aprox. 10%, over size 5, it's almost impossible to send data.
> >
> > TeamLego
>
> This suprises me. I have never heard of such high
> packet losses. How does dll do this? With some kind
> of ack and retry mechanism? dll seems reliable.
>
> Of course dll is going in the other direction.
>
>
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Someone told me there's a girl out there
with love in her eyes and flowers in her hair."
-Led Zeppelin, "Going to California"
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Message has 1 Reply:
 | | Re: lnp communication question
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| (...) Ok, this brings up more questions :). I have never had any problems with errors when sending messages. Sometimes the message is not recieved but when it is, I have never seen any errors in the transmission. Am I missing your point? Second, (...) (24 years ago, 20-May-00, to lugnet.robotics.rcx.legos)
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Message is in Reply To:
| | Re: lnp communication question
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| (...) This suprises me. I have never heard of such high packet losses. How does dll do this? With some kind of ack and retry mechanism? dll seems reliable. Of course dll is going in the other direction. (24 years ago, 17-May-00, to lugnet.robotics.rcx.legos)
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