[OpenTRV-interest] OpenTRV-interest Digest, Vol 4, Issue 5

Thu Mar 27 21:22:30 GMT 2014

So it turns out, i had a usb bub II (had to disable my electric monitor so
it can't stay) so I booted one of these guys up today.  Below is my basic
output.  (i used putty for the serial connection, on windows, i came up as
com6.  Arduino worked too, putty is just an older friend).
typing against the console didn't seem to give output.

When I pushed buttons and twiddled the dial... i got output!
=F0%@24C1;T0 12 W255 0 F255 0 W255 0 F255 0;S10 10 21 cffO

I am guessing that is 24C but i am pretty lost after that.  Do we have a
guide to what those are?  Or what I should be doing next?  I powered up
another one but buttons, etc didn't seem to relay.  presumably i need to
sync them somehow.  I'm all ears for suggestions.  I will dig through the
code if necessary but some pointers to relevant parts would be great.

as an aside on power, I am using USB power, it is 5v rather than the 3
specified in teh other mail but the usb connector was too tempting not to
try.  is there a risk of burning the board?

Do we need an FTDI cable for each device or will we just be needing one on
teh controller?

Hope to see more chatter here (or should we use the sf forum?)

OpenTRV booting: board V0.2 REV2; code 2014/Mar/23 20:34:55
DEBUG mode with serial logging
Reset count: 16
Free RAM: 1433
posPOST: 1: about to test RFM23
posPOST: 2: RFM23 OK
Vcc: 3298mV
Int temp: 34C / 551
posPOST: 3: internal sensors OK, next light/temp/other
Gathering initial inputs and computing target/demand...
light: 524
temp: 390
temp pot: 339
posPOST: 4: light/temp OK
posPOST: 5: slow RTC clock OK
? at CLI prompt for help
=F0%@24C6;T0 8 W255 0 F255 0 W255 0 F255 0;S5 5 17 effO
=F0%@24C6;T0 8 W255 0 F255 0 W255 0 F255 0;S5 5 17 effO

On Thu, Mar 27, 2014 at 6:10 PM, <
EMAIL ADDRESS HIDDEN> wrote:

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> Today's Topics:
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>    1. Re: Tinkering kits (Alasdair Macdonald)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 27 Mar 2014 17:04:46 +0000
> From: Alasdair Macdonald <EMAIL ADDRESS HIDDEN>
> To: "Open, non-developer list for interested parties"
>         <EMAIL ADDRESS HIDDEN>
> Subject: Re: [OpenTRV-interest] Tinkering kits
> Message-ID:
>         <
> EMAIL ADDRESS HIDDEN>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Mark -
>
> My tinkering kit arrived a few hours ago.
>
> FTDI cable has been ordered.
>
> I have 3 questions right now. (I have some more that I'll either figure out
> in the next few days, or I'll ask at a suitable time).
>
> 1. Please confirm the connections that should be soldered. Damon wrote
> "solder to it's normally-open contacts which are the near-centre lug and
> the one further from it, marked 'C'." I THINK that means that I solder red
> & black to the left & centre pins in the attached image (the white cable is
> marked "ANT", and is I suppose the antenna?)
>
> 2. How should I power the two boards? Hopefully the image can help here;
> the green terminals are marked 5 / B / GND / 3.3, but I don't believe
> you've passed on any information about this issue.
>
> 3. Do I *need* an Arduino now, or *might* I need one in the future (to
> reprogram the board?) If possible, I hope to use my Debian desktop PC to
> connect to the board(s). I've read the Ubuntu section at
> http://sourceforge.net/p/opentrv/wiki/Arduino/ and already installed
> arduino and arduino-core, but I'm still not clear if this is going to talk
> to the Arduino or to the OpenTRV controller board.
>
>
> Alasdair
>
>
>
> On 24 March 2014 12:39, Damon Hart-Davis <EMAIL ADDRESS HIDDEN> wrote:
>
> > I suggest that we use this list to discuss how to use the tinkering kits
> > in the first instance!
> >
> > You shouldn't need to get any electricians or plumbers etc in in the
> first
> > case to play with this...
> >
> > Next thing to do is get hold of an appropriate FTDI cable such as this
> one
> > from RS:
> >
> > 429-307 1       ?13.72  ?13.72  USB-serial TTL cable,FT232RQ,TTL-232R
> >
> > (note that it's the 3V3 / 3.3V logic-level version), set up your
> computers
> > USB serial to talk at 4800 board to the board, possibly using the Arduino
> > IDE "Serial Monitor", eg see here:
> >
> > http://sourceforge.net/p/opentrv/wiki/Arduino/
> >
> > "Ubuntu, Arduino IDE and installing the latest release of the controller
> > software"
> >
> > and you can interact with the CLI (command-line interface).
> >
> > You can set one board up as a hub and the other as an normal valve
> > controller and have them talk to one another.
> >
> > You can go wild and order a Conrad FTH8V wireless value to be controlled
> > by one of the boards and I can tell you how to wire the other to control
> > your boiler in another instalment!
> >
> > Rgds
> >
> > Damon
> >
> >
> >
> > On 23 Mar 2014, at 18:12, Damon Hart-Davis <EMAIL ADDRESS HIDDEN> wrote:
> >
> > > Hi,
> > >
> > > I'm just getting the tinkering kits ready to send out tomorrow.
> > >
> > >
> > > I have loaded up the latest code, beta_17, which will also be going to
> > another trial participant's home tomorrow.  You can see that code, eg to
> > check out from SourceForge and load into the Arduino IDE:
> > >
> > > svn+ssh://
> >
> EMAIL ADDRESS HIDDEN/p/opentrv/code-0/trunk/Arduino/snapshots/20140323-r2736-V0p2-Arduino-REV2-beta17-boiler-bypass-timing
> > >
> > > Loading the code verifies for me that the FTDI serial/USB connection is
> > working.
> > >
> > > For fiddling with the code, eg adjusting and it or just looking at its
> > output on the Arduino serial monitor you may want to look here:
> > >
> > > http://sourceforge.net/p/opentrv/wiki/Arduino/
> > >
> > > in particular at the section "Ubuntu, Arduino IDE and installing the
> > latest release of the controller software".
> > >
> > > Even if you're not using Ubuntu the main points that matter are editing
> > the boards.txt file (wherever it is in your install) and getting the
> > bootloader .hex file in place, and setting the serial monitor to 4800
> baud.
> > >
> > > Even if you don't want to fiddle with the code, the last of those lets
> > you interact with the just-human-compatible CLI to change settings via an
> > FTDI USB cable, dump stats and so on.
> > >
> > > You may also want to look at the latest code under:
> > >
> > > svn+ssh://
> > EMAIL ADDRESS HIDDEN/p/opentrv/code-0/trunk/Arduino/V0p2_Main
> > >
> > >
> > > I have not soldered on the Big Red Button (that cycles between FROST,
> > WARM and BAKE modes); solder to it's normally-open contacts which are the
> > near-centre lug and the one furtehr from it, marked 'C'.
> > >
> > >
> > > Have fun!
> > >
> > > Rgds
> > >
> > > Damon
> >
> > _______________________________________________
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