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 Robotics / RCX / 2055
2054  |  2056
Subject: 
Re: remote control and rcx -- Download Failures
Newsgroups: 
lugnet.robotics.rcx
Date: 
Tue, 13 May 2003 07:35:24 GMT
Viewed: 
3430 times
  
Then it would be interesting to implement a 4800 baud download WITH
complement to be able to download std firmware faster and reliably ?!?

Philo
www.philohome.com

"Standard Lego software uses 2400 baud data rate and a protocol that
sends "double" bytes. The "double" byte is that each data byte is
followed by its complement. Alternative development systems use a quad
speed downloader that operates at 4800 baud and eliminates the
complement data bytes.




Message is in Reply To:
  Re: remote control and rcx -- Download Failures
 
Several people report download failures at about 75% of way through downloading the 2.0 firmware. This problem could be related to using one of the "quad" speed downloading routines available in many of the alternative development systems. The (...) (22 years ago, 13-May-03, to lugnet.robotics.rcx)

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