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- <?php
- // include channel list
- $adeiChannel = array(
- // Voltage monitoring K35 etc. (index 30)
- array(
- "hv__katrin-hv_rep__7__2", //K35 divided voltage reading
- "hv__katrin-hv_rep__7__5", //K65 divided voltage reading
- "hv__katrin-hv_rep__7__3", //K35 divided voltage timestamp
- "hv__katrin-hv_rep__7__6", //K65 divided voltage timestamp
- )
- );
- // include previous values
- //include "ADEI_HV_readings.php";
- $username = 'katrin';
- $password = 'adei.F3rmi!2019';
- $context = stream_context_create(array(
- 'http' => array(
- 'header' => "Authorization: Basic " . base64_encode("$username:$password"), "Connection: close\r\n"
- )
- ));
- // set time zone to local German time
- date_default_timezone_set('Europe/Berlin');
- $counter = 0;
- $calltime = time();
- $errorcount = 0;
- $errormessage = '<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>';
- $starttime = time();
- //echo "Polling ADEI data.".PHP_EOL;
- for ($id = 0; $id < sizeof($adeiChannel); $id++)
- {
- $adeiChannels = "";
- for ($id2 = 0; $id2 < sizeof($adeiChannel[$id]); $id2++)
- {
- $adeiChannels = $adeiChannels . $adeiChannel[$id][$id2] . ",";
- }
- $adeiChannels = substr($adeiChannels, 0, strlen($adeiChannels) - 1);
-
-
- // new adei-katrin.kaas.kit.edu added and optimized readout parameters
- $fileip = file_get_contents("http://adei-katrin.kaas.kit.edu/adei/services/getdata.php?db_server=virtual&db_name=srctree&db_group=-3&control_group=-3&virtual=srctree&srctree=" . $adeiChannels . "&rt=full&window=400&format=csv", false, $context);
- sleep(1);
-
- //echo $fileip.PHP_EOL;
- $adeiArray = explode("\n", $fileip);
- //convert ADEI response into array with all values
- $oldTS1 = 0;
- $oldTS2 = 0;
- foreach ($adeiArray as $key => $element)
- {
- $adeiLine = explode(",",$element);
- //echo $key." ".sizeof($adeiLine).PHP_EOL;
- if (sizeof($adeiLine) == 5)
- {
- $voltage = floatval($adeiLine[1]);
- $voltageTS = floatval($adeiLine[3]);
- if (($voltageTS > 0) && ($voltageTS > $oldTS1)) { $readings1[] = array($voltageTS, $voltage); $oldTS1 = $voltageTS; }
- $voltage = floatval($adeiLine[2]);
- $voltageTS = floatval($adeiLine[4]);
- if (($voltageTS > 0) && ($voltageTS > $oldTS2)) { $readings2[] = array($voltageTS, $voltage); $oldTS2 = $voltageTS; }
- }
- }
- unset($element);
- // filter and extract FlukeA values and calculate mean and deviations for a set of entries
- $index = array(-10,-30,-150);
- foreach ($index as $slice)
- {
- if (sizeof($readings1) > abs($slice))
- {
- $arrayslice = array_slice($readings1,$slice);
- $entries = count($arrayslice);
- if ($entries > 2)
- {
- $voltages = array_column($arrayslice,1);
- $mean = array_sum($voltages) / $entries;
- $carry = 0.0;
- foreach ($voltages as $val)
- {
- $d = ((double) $val) - $mean;
- $carry += $d * $d;
- }
- }
- $mean1 = $mean;
- $stddev1 = sqrt($carry / $entries);
- $stddev1_rel = $stddev1 / abs($mean1);
- $endTS = $arrayslice[sizeof($arrayslice)-1][0];
- $span = round($endTS-$arrayslice[0][0]);
- $time_conversion_factor = 2082844800;
-
- //echo "Number of aquired elements: ".sizeof($arrayslice).PHP_EOL;
- //echo "Mean Value: ".sprintf('%.6F', $mean1).PHP_EOL;
- //echo "Standard Deviation: ".sprintf('%.2E', $stddev1).PHP_EOL;
- //echo "Rel. Standard Deviation: ".sprintf('%.2E', $stddev1_rel).PHP_EOL;
- //echo "TS at end: ".date("r", $endTS-$time_conversion_factor).PHP_EOL;
- //echo "Timespan: ".$span.PHP_EOL;
- //echo PHP_EOL;
- $results1[] = array(
- "number" => sizeof($arrayslice),
- "timespan" => $span,
- "timestamp" => $endTS-$time_conversion_factor,
- "humantime" => date("r", $endTS-$time_conversion_factor),
- "mean" => $mean1,
- "stddev" => $stddev1,
- "ppmdev" => $stddev1_rel
- );
- }
- }
- // filter and extract FlukeE values and calculate mean and deviations for a set of entries
- $index = array(-5,-10,-30,-150);
- foreach ($index as $slice)
- {
- if (sizeof($readings2) > abs($slice))
- {
- $arrayslice = array_slice($readings2,$slice);
- $entries = count($arrayslice);
- if ($entries > 2)
- {
- $voltages = array_column($arrayslice,1);
- $mean = array_sum($voltages) / $entries;
- $carry = 0.0;
- foreach ($voltages as $val)
- {
- $d = ((double) $val) - $mean;
- $carry += $d * $d;
- }
- }
- $mean2 = $mean;
- $stddev2 = sqrt($carry / $entries);
- $stddev2_rel = $stddev2 / abs($mean2);
- $endTS = $arrayslice[sizeof($arrayslice)-1][0];
- $span = round($endTS-$arrayslice[0][0]);
- $time_conversion_factor = 2082844800;
-
- //echo "Number of aquired elements: ".sizeof($arrayslice).PHP_EOL;
- //echo "Mean Value: ".sprintf('%.6F', $mean2).PHP_EOL;
- //echo "Standard Deviation: ".sprintf('%.2E', $stddev2).PHP_EOL;
- //echo "Rel. Standard Deviation: ".sprintf('%.2E', $stddev2_rel).PHP_EOL;
- //echo "TS at end: ".date("r", $endTS-$time_conversion_factor).PHP_EOL;
- //echo "Timespan: ".$span.PHP_EOL;
- //echo PHP_EOL;
- $results2[] = array(
- "number" => sizeof($arrayslice),
- "timespan" => $span,
- "timestamp" => $endTS-$time_conversion_factor,
- "humantime" => date("r", $endTS-$time_conversion_factor),
- "mean" => $mean2,
- "stddev" => $stddev2,
- "ppmdev" => $stddev2_rel
- );
-
- }
- }
-
- //var_dump( $results2 );
-
- //var_dump( $results1 );
- // error handling
- if (substr($fileip,0,5) == "ERROR")
- {$errorcount++; $errormessage = $errormessage . "Error loading ADEI channel " . $id . "<br>";}
-
- for ($id2 = sizeof($adeiChannel[$id]) - 1 ; $id2 > -1; $id2--)
- {
- $pos = strrpos($fileip, ",");
- $adeiValue[$id][$id2] = floatval(substr($fileip, $pos + 2));
- $fileip = substr($fileip, 0, $pos);
- //echo $id . " " . $id2 . " " . $adeiValue[$id][$id2] . PHP_EOL;
- }
- }
- if ($errorcount >0) echo $errormessage;
- //echo "Writing data into formatted string.".PHP_EOL;
- $strFileContent = "<"."?php".PHP_EOL.PHP_EOL."$"."flukeA = ".var_export($results1, true).";".PHP_EOL.PHP_EOL;
- $strFileContent .= "$"."flukeE = ".var_export($results2, true).";".PHP_EOL.PHP_EOL;
- $strFileContent .= "?".">".PHP_EOL;
- // write ADEI data to file
- //echo "Writing data to file.".PHP_EOL;
- $file_w = fopen('ADEI_HV_readings.php', 'w+');
- //sleep(5);
- fwrite($file_w, $strFileContent);
- fclose($file_w);
- //echo "Data extraction done.".PHP_EOL;
- ?>
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