sdm120c -a 2 -P N -b 9600 /dev/ttyUSB0

$pathtomn = '/var/www/metern';
    $prevcount = -23456; // Inserire qui il totale del contatore precedente
    $metnum = $argv[1]; // Meter ID Consumi

#!/usr/bin/php
 1000)
         {
            $GP = round($GP, 0);
         }
         else
         {
            $GP = round($GP, 1);
         }
      }
    elseif ($argv[1] == 'energy')
        {
            // create curl resource
            $ch = curl_init();


            // set url
            curl_setopt($ch, CURLOPT_URL, $pathto123s);


            //return the transfer as a string
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);


            //decode the JSON into an array if hte second param is set to true otherwise the JSON will be decoded into an object
            $arrayDecodedFromJSON = json_decode(curl_exec($ch), true);


            // close curl resource to free up system resources
            curl_close($ch);


         $awdate = $arrayDecodedFromJSON['awdate']; //test if inverter is up or not
         if ($awdate == "--:--")
         {
            $KWHT_tot = 0; // Inverter is off
         }
         else
         {
            $KWHT_tot = round(($arrayDecodedFromJSON['KWHT'] * 1000), 0); //in Wh
         }
      }


    if ($argv[1] == 'energy' && $KWHT_tot == 0)
        { // 123s ain't running at night retrieve the value in meterN csv
        $dir    = '../data/csv/';
        $output = array();
        $output = glob($dir . '*.csv');
        sort($output);
        $cnt = count($output);


        if ($cnt > 0)
        {
            $lines      = file($output[$cnt - 1]);
            $contalines = count($lines);


            $KWHT_tot = null;
            $j    = 0;
            while (!isset($KWHT_tot))
            {
                $j++;
                $array = preg_split('/,/', $lines[$contalines - $j]);
                $KWHT_tot  = trim($array[$INVTmetnum]);
                if ($KWHT_tot == '')
                {
                    $KWHT_tot = null;
                }
                if ($j == $contalines)
                {
                    $KWHT_tot = null; // No value found
                }
            }
        }
        else
        {
            die("Abording:no csv found\n");
        }
    }


    if ($argv[1] == 'power' && $GP == 0)
    { // 123s ain't running
        $GP = 0;
    }


    if ($argv[1] == 'power')
    {
        echo "$METERID($GP*W)\n";
    }
    elseif ($argv[1] == 'energy')
    {
        file_put_contents("/run/shm/produzione$METERID.txt", "$METEREID($KWHT*Wh)\n");	//riga aggiunta
		echo "$METERID($KWHT_tot*Wh)\n";
    } 
   else
    {
        die("Abording: no valid argument given\n");
    }
}
else
{
    die("Usage: 123solar { power | energy }\n");
}
?>

$pathto123s = 'http://hostname/123solar/programs/programlive.php?invtnum='.$invtnum;

$pathto123s = 'http://192.168.1.100/123solar/programs/programlive.php?invtnum='.$invtnum;

pi@raspAilanoMeterN /var/www/metern/comapps $ pool123s power
PHP Notice:  Undefined index: G1P in /var/www/metern/comapps/pool123s.php on line 47
PHP Notice:  Undefined index: G2P in /var/www/metern/comapps/pool123s.php on line 47
PHP Notice:  Undefined index: G3P in /var/www/metern/comapps/pool123s.php on line 47
1(0*W)