Subject:
|
Re: Vector 2x giving me lots of trouble...
|
Newsgroups:
|
lugnet.robotics.handyboard
|
Date:
|
Tue, 3 Jun 1997 00:49:26 GMT
|
Original-From:
|
MAR ERICSON <[mar@cooper.]spamless[edu]>
|
Viewed:
|
1291 times
|
| |
|
|
Wht's this HTML stuff? :)
-----------
ericson mar
Master of Engineering Candidate
Project: Mobile Robotics
mar@cooper.edu
(212)353-4356
Department of Mechanical Engineering
The Cooper Union for the Advancement of Science and Art
-------------------------------------------------------
On Sat, 17 May 1997, Fred Cass wrote:
> Well, I seemed to have narrowed down the problem I was having with the =
> Vector2x compass. It was functioning fine... All I had to do was write =
> clean code that called comp_disable(1) at the end. When my code wasn't =
> doing that, the compass IRQ routines were still running, and IC31 would =
> say, "initializing interrupts" (or something like that), hose the pcode, =
> and crash. But when I called comp_disable(1), then pulled up IC, it =
> worked fine.
> I think we should try and write some code for the compass so that works =
> as a slave, and you could just request the current heading from it. The =
> IRQ code works, but as you said, it slows the board down quite a bit, =
> and is pretty fragile with IC31. I'll start taking a look at it to see =
> if I can come up with anything...
>
> I also find it difficult to shield the Vector2x from the magnetic =
> effects of the HandyBoard itself, and the motors. I've had to position =
> it quite a distance away (kind of difficult on my small robot), and =
> spent quite a bit of time leveling it. Perhaps I should have picked up =
> the gimbled version...
>
> On another note, I still haven't seen anything specific to the =
> HandyBoard for connecting up the Polaroid 6500. Thanks to Michael A. =
> Tyborski for his links.... Still looking for an idiot proof description =
> of how to connect it to the HB...
>
> -=3DFred Cass=3D-
>
>
|
|
Message is in Reply To:
 | | Re: Vector 2x giving me lots of trouble...
|
| Well, I seemed to have narrowed down the problem I was having with the Vector2x compass. It was functioning fine... All I had to do was write clean code that called comp_disable(1) at the end. When my code wasn't doing that, the compass IRQ routines (...) (27 years ago, 17-May-97, to lugnet.robotics.handyboard)
|
3 Messages in This Thread:
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
