Subject:
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Re: Ultrasonic maximum timing
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Tue, 16 May 2000 17:27:26 GMT
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Original-From:
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Chuck McManis <cmcmanis@mcmanis.#nomorespam#com>
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Viewed:
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826 times
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At 10:29 AM 5/16/00 -0600, Will Bain wrote:
> I think the register maxes out at 32767. Since it's a 2 MHz processor, this
> gives:
> (32767 cycles) / (2,000,000 cycles/second) = 0.01638 seconds
Except that I don't think it counts at 2Mhz, rather I think it counts at
500Khz (2 / 4 = ECLK) (I may be totally off base here, since I've not read
the pink book in about 6 years) that would put your max at 32767/500000 =
.0655 at 1000 ft/sec thats 65'
--Chuck
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Message is in Reply To:
 | | Ultrasonic maximum timing
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| Greetings all, I'm using a homebuilt sonar based on Kam Leang's design, which seems to be working quite well. I just have one question with regard to the timing on the input port. I'm using the same sonar driver as for the polaroid - right now I (...) (24 years ago, 16-May-00, to lugnet.robotics.handyboard)
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