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 Robotics / RCX / legOS / 1040
1039  |  1041
Subject: 
Re: lnp communication question
Newsgroups: 
lugnet.robotics.rcx.legos
Date: 
Wed, 17 May 2000 13:51:00 GMT
Reply-To: 
sjm@judgement#ihatespam#.com
Viewed: 
1341 times
  
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.



Message has 1 Reply:
  Re: lnp communication question
 
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 ;) (...) ---...--- "Going to California with an aching in my (...) (25 years ago, 17-May-00, to lugnet.robotics.rcx.legos)

Message is in Reply To:
  Re: lnp communication question
 
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 (...) (25 years ago, 17-May-00, to lugnet.robotics.rcx.legos)

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