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Re: [PSUBS-MAILIST] OSS Pressure hull basic layout.

To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] OSS Pressure hull basic layout.
From: "Warrend Greenway" <dub@linuxmail.org>
Date: Sun, 26 Jan 2003 02:27:56 +0800
Content-Disposition: inline
The MSP430 has dual hardware UARTs integrated as on-chip modules, so RS232 is
ready to rock right out of the box. I know for a fact that the microcontroller 
I will be using is an MSP430F149 or F169. No other microcontroller comes close, 
at work we have had a strong advantage for years because we had found the ultimate 
microcontroller. You could interface a joystick directly to an MSP430, since it 
has integrated high-speed ADCs. Go to www.ti.com , and check it out. They also
have LCD controllers, and PWMs.

Warren.


> 
> They are also a lot of game controllers that are serial(RS232), some
> of which might be suitable.  There is also the option of tearing it
> open and converting it to serial or even wiring it in parallel.  Also
> you could use a USB to serial converter.
> 
> There are also some nice joysticks some people might find better, so
> as far as the controller goes we may want to leave the option open so
> people could program the device of there choice.  We could choose if
> we want USB or Serial or both or whatever.  My vote would go towards
> serial since they are more chips that come with serial.
> 
> I would personally prefer a joy stick type device (or two) mounted some
> where solid, over hand held controls.
> 
>Ian.
> 
> On Fri, 24 Jan 2003 22:40:10 -0500
>"Andy Jensen" <drewacard@charter.net> wrote:
> 
> > Warren 
> > In looking around...
> > it would possible to interface a Playstation or PS1 
> > controller with a midrange pic either in digital or analog 
> > with full functionality.
> > 
> > The USB interface would require a bit more in the range of 
> > parts ie A few PIC's an Phllips ISP1160 or ISP1161A1 Nvram 
> >  
> > but in theroy it could talk to any USB1.1 device that the 
> > nvram was programed to identify. though this might be a 
> > lot of futzing.  
> > 
> > Andy
> > 
> > On Fri, 24 Jan 2003 15:20:20 -0800 (PST)
> >   John Rogers <djohnndjinn@yahoo.com> wrote:
> > >
> > >I have seen quite a few options for USB interfaces (slave 
> > >devices at least) pop up over the past year.  I have 
> > >spoken before of implementing a CAN network like a modern 
> > >car would use.  Due to the huge amount of work that has 
> > >already been done for cars, the interfaces for this 
> > >protocol can be purchased for dirt cheap.  Connect this 
> > >to a cheap microcontroller with non-volatile memory and 
> > >boom.  instant real-time distributed network.  Reliable, 
> > >available, scalable.
> > >Again, is is probably way too early to be worrying about 
> > >electrical systems..
> > >--John
> > >  Warrend Greenway <dub@linuxmail.org> wrote:If you 
> > >figure out how to economically interface one of those 
> > >controllers
> > >to a microcontroller, then you have my full attention. 
> > >The real problem
> > >with them is that they all use proprietary 
> > >connectors...Except the USB
> > >flavors, and the USB interface ICs usually take a lot of 
> > >baby-sitting...
> > >But I'm sure listening...An older style joystick would be 
> > >easier in that
> > >you can use a basic ADC to get the position.
> > >
> > >Warren.
> > >
> > >Warren.
> > >
> > >> I also think it looks Neat.
> > >> 
> > >> Question is hull steel worked still going for around 
> > >> $.57/lb or $1.25/kg and was that for A517?
> > >> 
> > >> 
> > >> What about using a computer/ps2/x-box type controller?
> > >> 
> > >> 
> > >> On Fri, 24 Jan 2003 09:02:21 +0800
> > >> "Warrend Greenway" wrote:
> > >> >OK. You have some really interesting ideas here. I 
> > >> >personally 
> > >> >would like to see two hatches, possibly of raised 
> > >>domes, 
> > >> >or 
> > >> >the cylinders. I thought your seating idea was great! I 
> > >> >also
> > >> >like the "foot dome", that is an interesting concept, 
> > >> >because
> > >> >it minimizes the volume. Also, putting the instruments 
> > >> >and 
> > >> >controls on rails so that they roll out of the way 
> > >>sounds 
> > >> >like
> > >> >a good idea, then they wouldn't be in the way when you 
> > >> >are 
> > >> >climbing in. Did you get a chance to look at the
> > >> >pictures of my canted idea? 
> > >> >
> > >> >Warren. 
> > >> >
> > >> >> 
> > >> >> hi,
> > >> >> 
> > >> >> I did a little fiddling around with the pressure hull 
> > >> >>layout.
> > >> >> Using a foot well, it seem that we could design a 
> > >>hull 
> > >> >>with
> > >> >> around a 2 cubic meter displacement (~2000kg or 
> > >> >>~4400lbs).
> > >> >> 
> > >> >> I'm interested in what people, in particular about 
> > >>the
> > >> >> dimentions with regard to confort.
> > >> >> 
> > >> >> Ian.
> > >> >> 
> > >> >> 
> > >> >> 
> > >> >> http://www.prismnet.com/~moki/subfiles.html
> > >> >> 
> > >>http://www.prismnet.com/~moki/20030123.175639/hull-v1.jpg
> > >> >> 
> > >> >> Approximate displacement: 2 cubic meters (~2000kg or 
> > >> >>4400lbs)
> > >> >> 
> > >> >> Hatch top is 2.5 feet from the water line, per ABS 
> > >>spec.
> > >> >> 
> > >> >> One dome viewport, one cylinder style veiwport.
> > >> >> 
> > >> >> Only rear seating position has a hatch, the dome 
> > >>doesn't 
> > >> >>not open.
> > >> >> 
> > >> >> Seats would probably be made of cloth and hung 
> > >>"hammock 
> > >> >>style"
> > >> >> so they be easily moved out of the way making it easy 
> > >>to 
> > >> >>access
> > >> >> the front seating position.
> > >> >> 
> > >> >> Front seating position is for the viewer/guest, the 
> > >>rear 
> > >> >>position
> > >> >> is for the pilot, the idea is the pilot sitting 
> > >>slightly 
> > >> >>higher
> > >> >> to see more.
> > >> >> 
> > >> >> Controls would been to fold away so they do not 
> > >>inhibit 
> > >> >>passage
> > >> >> to the front position.
> > >> >> 
> > >> >
> > >> >-- 
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