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nodo-domotica.nl • Toon onderwerp - 2 variabelen bij elkaar optellen - Afdrukweergave
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2 variabelen bij elkaar optellen
http://www.nodo-domotica.nl/forum/viewtopic.php?f=24&t=2371		 Pagina 1 van 2  Volgende »
Auteur:  Anton [ 04 feb 2015, 22:24 ]
Titel:  2 variabelen bij elkaar optellen
Voor mijn energie meter zou ik graag 2 variabelen bij elkaar willen optellen, zodat ik het dagverbruik op een lcd scherm kan zetten.

Omdat hiervoor geen commando is wil ik proberen hiervoor een plugin te maken.
Mijn idee is om het volgende commando te maken:
calc <var1>, <var2>
Hierbij wordt dan de inhoud van var 2 opgeteld bij var 1 , en in var 1 geplaatst
De uitleg bij plugin_255 begrijp ik niet helemaal, maar het is me wel gelukt om iets op te tellen.

case PLUGIN_COMMAND:
{
UserVar[event->Par1 -1] = 15 + 30 ;
success=true;
break;

calc 12,13 vult nu var12 met het getal 45.

Hoe kan ik nu de inhoud van 2 variabelen bij elkaar optellen?

UserVar[event->Par1 -1] = float(UserVar[event->Par1 -1] + UserVar[event->Par1];

Bovenstaand levert niet het juiste resultaat.

Wie kan mij een beetje op weg helpen?
En zijn er nog meer zaken waar ik op moet letten.

Alvast bedankt!
Auteur:  rtenklooster [ 01 maart 2015, 16:14 ]
Titel:  Re: 2 variabelen bij elkaar optellen
Auteur:  rtenklooster [ 01 maart 2015, 16:19 ]
Titel:  Re: 2 variabelen bij elkaar optellen
Auteur:  Anton [ 01 maart 2015, 21:39 ]
Titel:  Re: 2 variabelen bij elkaar optellen
Auteur:  Anton [ 01 maart 2015, 21:56 ]
Titel:  Re: 2 variabelen bij elkaar optellen
Auteur:  rtenklooster [ 01 maart 2015, 22:36 ]
Titel:  Re: 2 variabelen bij elkaar optellen
Mooi dat het gelukt is. Waarom het #%%# gebeuren niet werkt weet ik niet. Ik wist niet van het bestaan af, tot ik het tegenkwam vanmiddag.
Auteur:  Paul [ 05 maart 2015, 22:18 ]
Titel:  Re: 2 variabelen bij elkaar optellen
Auteur:  Anton [ 05 maart 2015, 23:41 ]
Titel:  Re: 2 variabelen bij elkaar optellen
Auteur:  manjh [ 06 maart 2015, 10:15 ]
Titel:  Re: 2 variabelen bij elkaar optellen
Volgens mij werken die instructies alleen in een script, en daarom dus alleen op een mega met sd card...
Auteur:  Anton [ 06 maart 2015, 10:44 ]
Titel:  Re: 2 variabelen bij elkaar optellen
Pagina 1 van 2 Alle tijden zijn GMT + 1 uur
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