Re: [ts-7000] Re: Info :)

["Don W. Carr" <>]

Ok, AI is analog input, so for reading a voltage or current that can
represent temperature, flow, speed, etc. I am not sure what you need to
do with the discrete inputs. Without a hardware counter, you can only
count slow signals by reading them continuously. Another method is
using an interrupt handler that is triggered when a discrete input goes
high (only some discrete inputs can be configured to cause interrupts).
With these "software" tricks, you can count input pulses without
special hardware counters, but only slower frequencies. The 7260 does
have one high-speed hardware counter if you get the TS-XDIO option. If
you want the SD card slot, you have to give up the TS-XDIO for instance.

Well, I can't really fully answer your DIO question without a better
understanding of exactly how the interface works and how fast it
changes.

LCD is Liquid Crystal Display, or a small display. The one that TS
sells is 2x24 characters. It is not a serial interface, but digital, so
eats up DIO, as does the keypad. I would recommend buying one of the
serial interface LCDs with keypad interface, then you only take up one
serial port for both the keypad and LCD. The TS LCD and keypad use up
ALL of the DIO except for the TS-XDIO.

Don.

On 5/9/06, myzhar_arm <> wrote:

Thank you for reply.

With AI do you mean Analogic Interface, or what other?

I think 29 DIO in 7260 would be enough for my interest.

For serial port, if they are managed in std linux I think I would not
have problems. I'm working with them :S

About wireless it would be very interesting! The robot is an
autonomous rover and a wireless connection would be very interesting
for telemetry :)

Another question: with LCD do you mean also char serial LCD?

And last: Do you think that with DIO I can be able to read square
signal encoder data. I'm searching the way to do it with Microchip PIC
and I noticed that the only way is using a square decoder/counter,
solution that I don't love a lot....



Thank you again
Walter

--- In "Don W. Carr" <> wrote:
>
> The 7260 is low power (1 watt), but only has two AI on board, but 29 DIO
> available if you don't use the keyboard or lcd. There are others
that have 5
> AI on board, but need more power. You probably do not want the 7300
since it
> is a fair ammount bigger than the others. If you needed even more
dio, there
> is a 64 dio card in the works I heard, that stacks on the PC/104
connector.
> There is also an 8 input AI card available. I would recommend the USB
> wireless 802.11b/g interface so you can to high bandwidth communcation
> without wires. Remember, these are raw boards and you will have to
do the
> signal conditioning. The AIs for instance are 0-3.5 V.
>
> Let us know if you need the code for opening the serial ports and
setting
> the baud rate, etc.
>
> Don.
>

> On 5/9/06, myzhar_arm <> wrote:
> >
> > Hi all,
> > I'm new in the group.
> >
> > I'm considering to buy an embedded ARM board for a robot application.
> > The board would coordinate al Robot hardware (Microchip PIC with RS232
> > support) and use Webcam images to make a kind of localization.
> >
> > Which kind of board do you subjest me?
> >
> > Thank you in advance
> >
> > Walter
> >
> > ---------------------
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J. G. Montenegro 2258
Guadalajara, Mexico
+52-333-630-0704
+52-333-836-4500 ext 2930

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