Subject:
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Re: Coparison of Sensors
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 3 Jan 1997 15:07:37 GMT
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Original-From:
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rabbit <g-webb@studentsSPAMLESS.uiuc.edu>
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Viewed:
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3976 times
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On Fri, 3 Jan 1997, Tom G. Brusehaver/Consultant Euler Solutions wrote:
> Looks like you got too many semi-colons. Take out the semi-colons on
> all the while lines where you want the while to do the following thing.
I agree. You should only have a semi-colon after a while if you
dont want that while to loop through any instructions. A semi-colon
after a while tells the compiler that all you want to do is continuously
test the while condition until it becomes false. In the case of your
'while(1)', you will never get a false condition to end the loop.
> The process is getting to the "while(!start_button());" line and
> staying there.
Actually I think this is the only place where a semi-colon is not
only intended but necessary; It is saying "loop forever until the start
button is pressed" which is a handy thing when you dont want your code
starting immediately after you turn on the handyboard.
> Also you have too many "while(1)", which will will cause it to get
> stuck in those loops. Maybe you need a break in the loop somewhere?
It looks like from the code that you want to do 3 different
things depending on three different conditions; when analog2 is a certain
amount less than analog3, when analog3 is a certain amount less than
analog2 and when analog4 is equal to analog5. Might I suggest that your
candle routine have a single while(1) loop with 'if' statements testing
each condition within;
candle {
while (1) {
if condition1 {
do action1;
}
if condition2 {
do action2;
}
if condition3 {
do action3;
}
}
}
Garth Webb
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Message is in Reply To:
 | | Re: Coparison of Sensors
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| (...) Looks like you got too many semi-colons. Take out the semi-colons on all the while lines where you want the while to do the following thing. The process is getting to the "while(!start_button());" line and staying there. Also you have too many (...) (30 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
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