K
As you
say
IR can do most things with a Preamp in a good HA
system
I
chose to
go down the serial control route for two
reasons
1)
Some of the comands via
IR
are toggle commands
2)
I needed HV to know the
state of the amp
By
using
the serial command I can report the state of the
preamp
In my
case
this is needed as there are 3 aux switched outputs which feed the rest of
the
house.
Mike
Sent from Home
-----Original
Message-----
From: Kenneth Watt
[mailto:kennethwatt@xxxxxxx]
Sent: Fri 08 Jun 01 22:26
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d]
DSP-AX1
Okay, I think I get the basic gist of the function of the
serial
port.
Basically, it controls all the functions of the amp through a standard
RS232
using VB, fair enough, but I fail to see the point. Unless....
If the amp can be preset to certain configurations, volume, source, DSP
mode
etc so its just a case of pressing a button on Pronto, sends an IR
signal
to
HV, HV boots the whole lot up and sets to a predetermined setting for
say,
watching a DVD or suchlike. Even then, apart from the fact that the
Pronto
can do this in an IR macro (as I have at the moment) apart from setting
the
DSP mode, that is largely unused (Tim and I will probably agree that
most
are a waste of effort) and setting the actual volume level to a preset
which
is not possible via IR. Well that's not strictly true, it is but it's
too
much hassle to be bothering with.
Actually the more I think about it the more possibilities there are
with
this kind of setup, especially the switching of zones, which is a
*very*
useful thing the way I have the system set up at the moment. Bummer
that it
only switches the front stereo pair though and not the whole DD/DTS set
from
one zone to another.
In the near future I am building a dedicated server for HA stuff and
little
things like this can be played with...but I always have the laptop
:)
I reckon I'll hook up the laptop and try some stuff that you guys
suggest
and see what gets reported back from the amp to the PC and see if I can
make
it do anything interesting. Should make for some late night fun when
SWMBO
goes off to bed.
K.
-----Original Message-----
From: Andy Powell
[mailto:Andy@xxxxxxx]
Sent: 08 June 2001 20:30
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] DSP-AX1
Sorry just 2 points to add/ammend
When I say ASCII char n eg Send 7 (ASCII CHAR 7) I mean (in BASIC)
CHR$(7)
(Just in case it wasn't clear). Also the "Turn volume up" bit
should read
as below:
For example to turn the volume up:
Send STX (ASCII CHAR 2)
Send 0 (ASCII char 0)
Send 7 (ASCII Char 7)
Send 10 (ascii char 10)
Send 1 (ASCII CHAR 1)
Send 10 (ascii char 10)
Finally send ETX (ASCII CHAR 3)
The volume should turn up!
After you've sent this and the volume has turned up the unit should
send
some more data back to the PC - this is the REPORT part - tells
you
what
it just did.. I haven't looked at it yet.. more soon..
Andy
-----Original Message-----
From: "Andy Powell" <Andy@xxxxxxx>
To: ukha_d@xxxxxxx
Date: Fri, 08 Jun 2001 21:08:54 +0200
Subject: RE: [ukha_d] DSP-AX1
>
> Please bear in mind that this is my interpretation of what they
are
> saying..and that this
> is all theoretical for me - I don't have a unit to test...
unless....
> ;-)
>
> I may be able to knock together some VB code for you to do some
of
> this..
> but not this weekend
> as it's the wife's birthday!!!
>
>
> 1. Connect up the Rx and your pc with proper cable.
> 2. Within a program (VB should work) open the COM port 9600, 8N1
and
> with
> HARDWARE hanshaking turned on.
>
> 3. To get a response from the unit send the following:
>
> ASCII char 17
>
> ASCII Char 17 is DC1
>
> ASCII char 0
> ASCII char 0
> ASCII char 0
>
> The 3 ASCII char 0 's are the
timeout
values, by sending 0's we
> set NO TIMEOUT.
>
> ASCII char 3
>
> ASCII char 3 is ETX
>
>
> This should send some data back ( the current configuration of
the
> system)
>
> To read the current config:
>
> a. The first character will (should) be a DC2 (ASCII char
18)
>
> b. Then the model number of the unit responding 5 bytes
(characters)
> long.
>
> c. Then the length of the data to follow 2 bytes (characters)
long.
>
> The data will then follow (not clear if it ALWAYS will be 256
bytes
> long
> or as long as
> the length secified above in c. The values of the data will be as
per
> the
> table on page 2.
>
> eg DT0 (or the first byte) will contain either a zero or a one.
Zero
> meaning OK and 1 meaning BUSY
>
> The checksum is follows and an ETX (ascii Char 3) terminates the
output
> from the RX
>
> The above part is the initial communications that MUST take place
first
> of all. Then when you
> want to issue a command:
>
>
>
>
> 0 = Command that would be on remote control
> 1 = Command (???)
> 2 = System Command
>
>
> For example to turn the volume up:
>
> Send STX (ASCII CHAR 2)
> Send 0 (ASCII char 0)
> Send 7
> Send 10 (ascii char 10)
> Send 1
> Send 10 (ascii char 10)
>
> Finally send ETX (ASCII CHAR 3)
>
> The volume should turn up!
>
> Andy
>
>
> > -----Original Message-----
> > From: "Kenneth Watt"
<kennethwatt@xxxxxxx>
> > To: "UKHA" <ukha_d@xxxxxxx>
> > Date: Fri, 8 Jun 2001 08:33:09 +0100
> > Subject: [ukha_d] DSP-AX1
> >
> > > Phil,
> > >
> > > I got the info on the DSP-AX1's serial port and it looks
as
if it
> is
> > to
> > > remotely control the amp through a standard RS232, but
the
stuff
> they
> > > have
> > > sent me is a bit non-descript. There is a command set
for
the amp
> via
> > > the
> > > port as well as the how-to bit in it, only a few pages
but,
> frankly,
> > I
> > > cannot fathom what they are on about. But then, I am
not
> experienced
> > > with
> > > this kind of stuff.
> > >
> > > Do any of you electronics/PC gurus fancy a try at what
it
does, if
> so
> > > I'll
> > > scan this lot and mail it to you?
> > >
> > > K.
> > >
> > >
> > >
> > > ____________________________________
> > > Automated Home UK
> > > http://www.automatedhome.co.uk
> > > ____________________________________
> > >
> > > Your use of Yahoo! Groups is subject to
> > > http://docs.yahoo.com/info/terms/
> > >
> > >
> >
> >
> > --- Tag-it! v2.0 (c) Andy Powell ,1998,1999,2000...and
beyond..
> >
> > GYPSY DWARF ESCAPES JAIL: Small Medium at Large.
> >
> >
> >
> >
> >
> > ____________________________________
> > Automated Home UK
> > http://www.automatedhome.co.uk
> > ____________________________________
> >
> > Your use of Yahoo! Groups is subject to
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> >
> >
> >
_________________________________________________________
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> >
> >
> >
> >
> > ____________________________________
> > Automated Home UK
> > http://www.automatedhome.co.uk
> > ____________________________________
> >
> > Your use of Yahoo! Groups is subject to
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> >
>
>
> --- Tag-it! v2.0 (c) Andy Powell ,1998,1999,2000...and
beyond..
>
> The best way to save face is to keep the lower part shut.
>
>
>
>
>
> ____________________________________
> Automated Home UK
> http://www.automatedhome.co.uk
> ____________________________________
>
> Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
>
--- Tag-it! v2.0 (c) Andy Powell ,1998,1999,2000...and
beyond..
Adam was created before Eve to give him a chance to say
something.
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