[OpenTRV-dev] All seems stable again....

[Bo Herrmannsen]

upps...

yes i know from my webasto replacement controller project it takes more code as you have to adress them in turn.... but its no rush.... 


Den 28/12/2013 kl. 15.49 skrev Adrian Godwin:

> you don't need more IO, but you do need a lot more library to enumerate multiple devices. I'm not sure what code space is running at, but ignoring the need to address each one will save space.
> 
> 
> 
> On Sat, Dec 28, 2013 at 2:47 PM, Bo Herrmannsen <EMAIL ADDRESS HIDDEN> wrote:
> should not need more io for it, thats the nice thing with one wire bus
> 
> temps will always differ so much you can see what they are.... in case of my hot water incomming temp will always be near 60C.... outgoing would ideal be near 30C lower of incoming.... cylinder about 50C when topped up
> 
> 
> Den 28/12/2013 kl. 15.43 skrev Damon Hart-Davis:
> 
> > Hi,
> >
> > That is likely out of scope for OpenTRV for now, so you might have to use a spare I/O pin and special-case-code for your configuration for that.
> >
> > Shouldn’t be too hard.
> >
> > Rgds
> >
> > Damon
> >
> >
> > On 28 Dec 2013, at 14:39, Bo Herrmannsen <EMAIL ADDRESS HIDDEN> wrote:
> >
> >> also we should consider more than one 18b20 on same port.... ie what to use them for
> >>
> >> i plan to use at least 2 on hot water cylinder.... one to messure temp and one to messure temp of pipe that goes back to district heat... if that one goes up to much everything must start to back down
> >>
> >>
> >> Den 28/12/2013 kl. 12.05 skrev Damon Hart-Davis:
> >>
> >>> Hi,
> >>>
> >>> Well, that would be fabulous: I can concentrate on the DS620 if we go with that for the next main run, and Bo will be a grateful early user/tester of the 18B20 code!  It will be good in general for more remote monitoring also since we know that the 18B20 works well on a flying lead.
> >>>
> >>> I think I’ll do the discovery of which device is in use in the POST and/or have it switchable via the CLI.
> >>>
> >>> Rgds
> >>>
> >>> Damon
> >>>
> >>>
> >>> On 28 Dec 2013, at 10:17, Kevin Wood <EMAIL ADDRESS HIDDEN> wrote:
> >>>
> >>>>> then we just need code that can run on DS18B20 :-D
> >>>>>
> >>>>> but all good comes to those who wait :-D
> >>>>>
> >>>>
> >>>> I haven't forgotten about that. ;-) Been a bit snowed under with work and
> >>>> lacking hardware to experiment with, but I now have an EmonTX working,
> >>>> which will provide a test bed for a 18B20 driver.
> >>>>
> >>>> Kevin
> >>>>
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