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 Robotics / RCX / legOS / 3089
3088  |  3090
Subject: 
Re: Interesting BrickOS Timing Results
Newsgroups: 
lugnet.robotics.rcx.legos
Date: 
Wed, 15 Jan 2003 08:45:30 GMT
Viewed: 
3327 times
  
From the second scope screen capture here :
http://www.philohome.com/sensors/legorot.htm, you can see that the analog
settling time is about 10 microseconds for the rotation sensor.

Philo
www.philohome.com

I did find an improvement in having a delay after cutting off power.
But, like the standard firmware, I filled the delay with doing
useful things.  I haven't settled ;-) on a suitable time though.
I imagine that will involve getting in there with the scope and a few
sensors to nail it down.  I'll post any results when I get to this.




Message is in Reply To:
  Re: Interesting BrickOS Timing Results
 
(...) I've found that any interrupt on the RCX has a minimum overhead of 101 to 113 states (or about 7 us). This is the time taken by the CPU to recognize and dispatch the interrupt plus the time the ROM routine takes to dispatch the interrupt to (...) (22 years ago, 15-Jan-03, to lugnet.robotics.rcx.legos)

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