Finding the operation time
kk serious question, no jokes.
how do you find elapsed time? either with timers or RTC?
thanks!!
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Replies to This Discussion
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Permalink Reply by Kenny Kim on
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I'm sure you can hack together a way to do it with RTC though if you really wanted to
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There's a way to do it with the RTC that isn't hard, but the TA's look at you funny if you use it like that
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probably beats no time at all, do you just subtract minutes and seconds? or something?
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I reset the RTC at the start of my test, which starts it counting from zero, and then I just read the time at the end of the test
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so you don't need subtraction right? i honestly dunno how to subtract two digit numbers
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I did it with subtraction but with pic18 I can multiply Endtenmin - startten min
Mult by ten
Add end min
Subtract start min
Mult by sixty
Store in memory
Clr w, movf end ten sec
Minus start ten sec
Multiply by 10
Plus endsec
Minus start sec
You could probably write a loop to add rather than multiply (2 x 10 is adding 10 2 times)
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