Subject:
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Re: Help reading pulsewidth.
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 23 Mar 1998 14:44:50 GMT
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Original-From:
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John Vaughn <VAUGHN@HWS.stopspamEDU>
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Reply-To:
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vaughn@hws.eduSPAMLESS
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Viewed:
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1547 times
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Mike Chang wrote:
> Hi all.
>
> Is there a way for me to read the pulsewidth comming out of a RC
> receiver?
Handy Boarders:
I cannot resist putting in a couple of plugs here for two good related
resources:
1) The 68HC11 Microcontroller by Joseph Greenfield. This comprehensive book
has a very nice section on reading/writing to I/O ports using timer output
compares with and without interrupts. It starts pretty much from scratch
with lots of code segments included. Check it out.
2) A Radio-Controlled Car and a 68HC11 Microprocessor by Dean Hoyt in
Circuit Cellar INK, Issue #78, January 1997. This article describes how to
use a 68HC11 EVB to decode, read and store RC receiver pulses then replay
them later to duplicate paths.
By the way, Circuit Cellar INK is often a good resource for embedded micro
articles involving robots. They have had numerous articles over the years
on stepper motors, robot navigation, servos, etc. This month, #92 March,
there is an article by the Newton Labs folks on their Cognachrome robot
vision system and an article on robot power systems.
--
*****************************************************************************
* John Vaughn Phone: 315-781-3906 *
* Dept. of Math & Computer Science E-mail: vaughn@hws.edu *
* Scandling 4085 Home: math.hws.edu/vaughn/index.html *
* Hobart & William Smith Colleges Fax: 315-781-3587 *
* Geneva, NY 14456 "I don't include cute signature quotes" *
*****************************************************************************
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Message is in Reply To:
 | | Help reading pulsewidth.
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| Hi all. Is there a way for me to read the pulsewidth comming out of a RC receiver? What I'm trying to do is to have an onboard Futaba R/C receiver just in case my bot gets into trouble that it can't get out of on it's own. I want to use my HB (...) (27 years ago, 23-Mar-98, to lugnet.robotics.handyboard)
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