Hi,
Are they're any plans to support the i2c<->1 wire bus master DS2482-800,
obviously this would require some support at kernel level ?
Stuart
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Le 14 Février 2006 16:04, Paul Alfille a écrit :
> > Paul Alfille wrote:
> > > I was incorrect in my earlier note about the polling frequency. The
> > > DS2408 has a latch, accessible through OWFS, that will save the
> > > button press. This will greatly diminish the chance of missing a
> > > butt
No timestamp. You can easily poll every second, however. Is that fine enough
resolution?
Paul
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Marc Lavallée
Sent: Monday, February 27, 2006 9:50 AM
To: owfs-developers@lists.sourceforge.net
Subject: Re: [Ow
Hello!
How do you mean? "Are they're any plans to support the i2c<->1 wire
bus master DS2482-800, obviously this would require some support at
kernel level?"
The current levels of the Linux kernel support the basic and
complicated I2C communications methods. I should think that Maxim is
fully awar
Le 27 Février 2006 10:28, Alfille, Paul H.,M.D. a écrit :
> No timestamp. You can easily poll every second, however. Is that fine
> enough resolution?
That's not enough to decide which key was first activated. But I can modify
the scenario; since it's for a voting system, pushing 2 keys on a keyp
Ok, after looking at the datasheet and the i2c specifications it looks quite
possible.
My impression is that i2c application depends on the actual hardware. Are there
any known PC devices using the DS2482? If nothing else, it certainly will be
difficult to test without a device.
The DS2482 looks
Hi Paul,
I've got an application, an embedded platform (geode CPU) has I2C but not
serial or USB available.
I'm really looking at supporting 18B20's in the first instance, if itwas
possible to support 2 such devices this would provide a very useful temp
logging solution.
Stuart
- Ori
Great, you sound like a beta tester!
How does one talk to the i2c in your case? Which module? Is there any example
code?
Paul Alfille
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Stuart
Poulton
Sent: Monday, February 27, 2006 4:03 PM
To: owfs-developer
Hello, I am kinda new to this. I have fiddled for a while but now need some
help.
I am designing an alarm system for my workplace, it is to put on display
items (cd players/dvd players/cameras). I am looking at making a controller
unit (WRT54 possibly) that connects to "hubs" accross the shop. The
1. The DS2408 should be able to sense 8 pins. I guess week pull-ups with circuit
to ground until interrupted.
2. You can wire them all on one 1-wire bus or segment it.
3. Scanning several times a second should be easy. You will have a list of known
DS2408's.
#!/usr/bin
X=/1wire/29.*
while :
fo
hello, thanks for your input...
So will it be able to handle 100+ ports (divide by 8) approx 13 2408's? as
well as a couple of keypads/buzzers/lcd screens?
also how would i go about using a ibutton keyfob for user authorisation?
instead of using a key to reset/turn on/off the alarm i want to use
DeanCollins napisał(a):
hello, thanks for your input...
So will it be able to handle 100+ ports (divide by 8) approx 13 2408's? as
well as a couple of keypads/buzzers/lcd screens?
also how would i go about using a ibutton keyfob for user authorisation?
instead of using a key to reset/turn on/of
so you saying having ~20 2408 chips and say 10 other arbitary devices (lcd,
programmable buzzer) is gonna be too many devices to run with owfs...
i am hoping to run it on an embedded system, perhaps the nslu2, wrt54g or
perhaps if i have to an VIA EPIA Board...
I thought that 1wire could handle 30
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