Guys? Only one person doing this development. :)
The latest version of the drivers has an updated PDF which contains the full
description of the bits in the control packets. I haven't see a failure
mode on one of the PL USBs so I don't know for sure if you could determine
if the PL had failed.
Whenever you send a status request message to the PL USB, you will get back
a packet that contains the version number for the hardware and you will get
a byte that has the status of the various registers. If the device has
completely gone insane, I would suspect that it wouldn't provide the
response to the status message.
Another thing you might look into. When you first start up the drivers or
the PL USB has just been plugged in, the control register isn't always in
the same state. So, upon initialization of your driver, you need to set the
control register up to function the way you need it to function. If you
look into x10_xcvr_plusb.h, you will find the definitions for all of the
control bits. Then in x10_xcvr_plusb.c, in the xcvr_connect() section you
will find where I send the PL USB a series of commands setting the control
register up for what I have found to work.
As for your second question, I don't think the PL USB has a burned in serial
number for you to query. About the best you can get is the ROM version
number by sending it a status control message. The xcvr_connect() section
of the x10_xcvr_plusb.c shows you an example of how to get the version
number and interpret it.
Version 1.6.1 is has the latest programming information and the latest code
for the USB driver. All references from this message are based on
wish-1.6.1.
Hope this helps,
Scott
-----Original Message-----
Shabbir Suterwala
Sent: Wednesday, March 19, 2003 5:11 PM
Subject: [wish-info] Powerlinc 1132U questions
Hi,
Just joined the list. Good work guys. Keep it up.
I have a couple of questions on Powerlinc 1132 USB devices
that we are using for our project.
1. Is there a way by which I can find status of 1132U and see
if it is functioning or dead ? One of 1132U died on us during
development and we need to make sure we know when this
happens after we deploy it. Our software shall alert us if
1132U is bad.
2. Can I find serial number of 1132U?. Any other unique
identifier would do equally well.
Really appreciate your help.
Shabbir
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