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 Robotics / RCX / pbFORTH / 612
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Subject: 
Re: IR problems
Newsgroups: 
lugnet.robotics.rcx.pbforth
Date: 
Thu, 29 Jan 2004 00:50:42 GMT
Viewed: 
3727 times
  
In lugnet.robotics.rcx.pbforth, Ralph Hempel wrote:
Hmmm

The blip and LCD clearing, while useful for debugging may be messing things up.

The characters are coming in way faster than the blip time, so you may not be reading
the buffer fast enough.

I would put code at the end of getHeader that displayed the current
headerState VALUE on the display in the right most digit (program #)
and the decimal value of the character received on the main 5 digit display...

I'll play with it a bit this weekend.

Ralph



Ralph, one more question. Are there conditions where the word EKEY would wait
for input (like KEY)? It seems to happen in my program.

Thanks



Message has 1 Reply:
  RE: IR problems
 
(...) EKEY always waits for input. Use EKEY? to see if anything is available... Looking at the source, I see that there is a possiblity that in the time between checking for a character with EKEY? and actually reading it with EKEY, that an error can (...) (21 years ago, 30-Jan-04, to lugnet.robotics.rcx.pbforth)

Message is in Reply To:
  RE: IR problems
 
Hmmm The blip and LCD clearing, while useful for debugging may be messing things up. The characters are coming in way faster than the blip time, so you may not be reading the buffer fast enough. I would put code at the end of getHeader that (...) (21 years ago, 24-Jan-04, to lugnet.robotics.rcx.pbforth)

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