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+--- Thread: grp.checkwrite / grp.checkupdate (/showthread.php?tid=4472)
grp.checkwrite / grp.checkupdate - Dré - 30.12.2022
I had the idea grp.checkwrite / grp.checkupdate don't work always.
Are there limitation about when I can use it and when not?
Maybe not all datatype?
It looks like it doesn't always update the new value or do I look wrong?
I understand grp.checkwrite is when it has to write to the KNX bus
and grp.checkupdate if it is just local for the LM.
RE: grp.checkwrite / grp.checkupdate - Daniel - 30.12.2022
grp.checkwrite is sending to TP and IP but on change of value. grp.checkupdate is sending only to IP but also on change of value.
RE: grp.checkwrite / grp.checkupdate - Dré - 30.12.2022
Oké thanks.
I think my problem was also not the right data type.
RE: grp.checkwrite / grp.checkupdate - sx3 - 02.01.2023
and grp.write always send the value on TP and IP, even if the value inside LM is up to date?
RE: grp.checkwrite / grp.checkupdate - admin - 02.01.2023
(02.01.2023, 11:39)sx3 Wrote: and grp.write always send the value on TP and IP, even if the value inside LM is up to date?
Yes
RE: grp.checkwrite / grp.checkupdate - Dré - 02.01.2023
No I remember what was going on, on my site;
This is my line in my log
this is what the current logs said about the value
Code:
P1 HomeWizzard [new and updated] 02.01.2023 12:57:03
* string: returned_total: gr: 51/0/11 = 9434.957this is a part of the script I use
Code:
--Reading electricity delivered by client (Tariff 2) in 0,001 kWh 14.4 byte
--Teruggeleverd Elektriciteit Tarief 1
returned_tarrif2 = data:match'1-0:2.8.2%((%d+.%d+)'
returned_tarrif2 = tonumber(returned_tarrif2)
--log("returned_tarrif2: " ..returned_tarrif2)
grp.checkupdate('51/0/10', returned_tarrif2) --
--------------------
returned_total = returned_tarrif1 + returned_tarrif2
grp.checkupdate('51/0/11', returned_total) --
log("returned_total: gr: 51/0/11 = " ..returned_total) My question is, is there a reason why he doesn't update the value?
It looks like they are not the same, behind the dot.
RE: grp.checkwrite / grp.checkupdate - admin - 02.01.2023
For floating point values default delta is 0.1. The difference between values is lower in your case.
RE: grp.checkwrite / grp.checkupdate - Dré - 02.01.2023
Oké thanks, does it means I need to take another data type for solving this problem?
RE: grp.checkwrite / grp.checkupdate - admin - 02.01.2023
The value will update when the difference is large enough. You can also specify delta manually as the third argument. Try 0.01 or 0.001
RE: grp.checkwrite / grp.checkupdate - Dré - 02.01.2023
Sounds interesting, do you have an example of this?
RE: grp.checkwrite / grp.checkupdate - admin - 02.01.2023
Code:
grp.checkupdate('51/0/10', returned_tarrif2, 0.01)RE: grp.checkwrite / grp.checkupdate - Dré - 02.01.2023
Great tanks, that was what I was looking for ?
RE: grp.checkwrite / grp.checkupdate - 2MAX - 29.07.2024
Hi, where is error i my checkwrite, because if status objekt ChlazeniSGN (bool) is diference from 11/1/13, there is no write to bus
Code:
Antizamrz=grp.getvalue("11/1/120")
Outtemp=grp.getvalue("11/5/0",dt.float16)
INtemp=math.ceil(grp.getvalue("11/1/117",dt.float16))
Porucha1=grp.getvalue("11/1/118")
Porucha2=grp.getvalue("11/1/119")
ChlazeniSGN=grp.getvalue("11/1/113", dt.bool)
if Porucha1==true or Porucha2==true
then grp.write("11/1/0", false)
end
VZT=grp.getvalue("11/1/100")
if (Antizamrz==false and INtemp > 21.5 and VZT==true and Outtemp > 20)
then grp.checkwrite('11/1/13', true, ChlazeniSGN)
else
grp.checkwrite('11/1/13', false, ChlazeniSGN)
endRE: grp.checkwrite / grp.checkupdate - admin - 29.07.2024
Status object must be passed as the 4th argument. You need to pass status group address not value:
Code:
value = not Antizamrz and INtemp > 21.5 and VZT and Outtemp > 20
grp.checkwrite('11/1/13', value, nil, '11/1/113')Some notes on your script:
1. Passing datatype to grp.getvalue() is not needed in most cases.
2. INtemp is converted to integer via math.ceil but then compared with a floating point value (21.5). You can either remove math.ceil or compare with an integer value (INtemp >= 22)
3. Instead of comparing with true/false you can simply use if Porucha1 and Porucha2 then
4. Generally it is recommended to use all lowercase variable names as mixed case can lead to errors due to typos because variables in Lua are case-sensitive.