Subject:
|
Re: Ultrasonic maximum timing
|
Newsgroups:
|
lugnet.robotics.handyboard
|
Date:
|
Tue, 16 May 2000 17:27:26 GMT
|
Original-From:
|
Chuck McManis <cmcmanis@mcmanis.*AvoidSpam*com>
|
Viewed:
|
1095 times
|
| |
|
|
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
|
|
Message is in Reply To:
 | | Ultrasonic maximum timing
|
| 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 (...) (25 years ago, 16-May-00, to lugnet.robotics.handyboard)
|
3 Messages in This Thread:
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
