function doIt()
{
lib_log("CSH", "----- Start -----\n");
// Get current time and date
$dtz = new DateTimeZone("Europe/Stockholm");
//Your timezone
$now = new DateTime(date("Y-m-d H:i:s"), $dtz);
$snow = $now->format("Y-m-d H:i:s");
//================================
// Configuration
//================================
$waterIn_sid = 3;
// 3
$waterOut_sid = 1;
// 1
$smokeTemp_sid = 4;
// 4
$outdoorTemp_sid = 9;
// Garage indoor
$indoorTemp_sid = 2;
// 2
// Memories
//-------------------------------
$labelTargetTemperature = "CSH_targetTemperature";
$labelLatestOrderTime = "CSH_latestOrderTime";
//========================================================
$targetTemp = (int) lib_recall($labelTargetTemperature);
$lowWaterOut = $targetTemp - 1.0;
//26.0;
$highWaterOut = $targetTemp + 1.0;
//28.0;
$inertiaTime = 360;
// sec
// Recall time and date for latest order
$prev = lib_recall($labelLatestOrderTime);
if ($prev == 'void') {
$prev = $snow;
lib_remember($labelLatestOrderTime, $snow);
}
$diff = strtotime($snow) - strtotime($prev);
lib_log("CSH", "==> {$snow} [{$prev}] {$diff}({$inertiaTime})\n");
//========================================================
$waterIn = lib_getLatestValue($waterIn_sid);
if ($waterIn == SXN_NO_VALUE) {
lib_log("CSH", "No value for WaterIn\n");
return;
}
$waterOut = lib_getLatestValue($waterOut_sid);
if ($waterOut == SXN_NO_VALUE) {
lib_log("CSH", "No value for WaterOut\n");
return;
}
if ($waterOut < $targetTemp - 7.0) {
lib_log("CSH", "Un-realistic value for WaterOut\n");
return;
}
$smokeTemp = lib_getLatestValue($smokeTemp_sid);
if ($smokeTemp == SXN_NO_VALUE) {
lib_log("CSH", "No value for SmokeTemp\n");
return;
}
$outdoorTemp = lib_getLatestValue($outdoorTemp_sid);
if ($outdoorTemp == SXN_NO_VALUE) {
lib_log("CSH", "No value for OutdoorTemp\n");
}
$indoorTemp = lib_getLatestValue($indoorTemp_sid);
if ($outdoorTemp == SXN_NO_VALUE) {
lib_log("CSH", "No value for IndoorTemp\n");
}
//========================================================
$energy = 100 * ($waterOut - $waterIn);
$logmsg = "Indoor = " . $indoorTemp . "\n";
lib_log("CSH", $logmsg);
$logmsg = "WaterIn = " . $waterIn . "\n";
lib_log("CSH", $logmsg);
$logmsg = "WaterOut = " . $waterOut . "\n";
lib_log("CSH", $logmsg);
$logmsg = "TargetTemp = " . $targetTemp . "\n";
lib_log("CSH", $logmsg);
$logmsg = "lowTemp = " . $lowWaterOut . "\n";
lib_log("CSH", $logmsg);
$logmsg = "highTemp = " . $highWaterOut . "\n";
lib_log("CSH", $logmsg);
$logmsg = "OutdoorTemp = " . $outdoorTemp . "\n";
lib_log("CSH", $logmsg);
$logmsg = "SmokeTemp = " . $smokeTemp . "\n";
lib_log("CSH", $logmsg);
$logmsg = "Energy = " . $energy . "\n";
lib_log("CSH", $logmsg);
$freqBurnerOn = lib_recall("CSH_freqBurnerOn");
$freqBurnerOff = lib_recall("CSH_freqBurnerOff");
$logmsg = "Freq On = " . $freqBurnerOn . "\n";
lib_log("CSH", $logmsg);
$logmsg = "Freq Off = " . $freqBurnerOff . "\n";
lib_log("CSH", $logmsg);
$smokeDir = lib_recall("CSH_smokeDir");
if ($smokeDir == 'void') {
$smokeDir = 1;
}
if ($smokeDir == 1) {
lib_log("CSH", "Burner ON\n");
}
if ($smokeDir == 2) {
lib_log("CSH", "Burner OFF\n");
}
lib_log("CSH", "Action:");
if ($smokeTemp > 42.0 && $smokeDir == 2) {
lib_remember("CSH_smokeDir", 1);
$timeBurnerOn = lib_recall("CSH_timeBurnerOn");
$freqBurnerOn = (int) (strtotime($snow) - strtotime($timeBurnerOn)) / 60.0;
// minutes
lib_remember("CSH_timeBurnerOn", $snow);
$logmsg = "Burner ON " . $freqBurnerOn . "\n";
lib_log("CSH", $logmsg);
lib_remember("CSH_freqBurnerOn", $freqBurnerOn);
}
if ($smokeTemp < 42.0 && $smokeDir == 1) {
lib_remember("CSH_smokeDir", 2);
$timeBurnerOff = lib_recall("CSH_timeBurnerOff");
$freqBurnerOff = (int) (strtotime($snow) - strtotime($timeBurnerOff)) / 60.0;
// minutes
lib_remember("CSH_timeBurnerOff", $snow);
$logmsg = "Burner OFF " . $freqBurnerOff . "\n";
lib_log("CSH", $logmsg);
lib_remember("CSH_freqBurnerOff", $freqBurnerOff);
}
if ($diff > $inertiaTime) {
//echo("Algo: $delta<br>");
lib_log("CSH", "Wake Up ");
if ($smokeTemp > 26.0) {
if ($waterOut < $lowWaterOut) {
lib_log("CSH", "C_UP");
$steps = ($highWaterOut + $lowWaterOut) / 2.0 - $waterOut;
$steps = round($steps * 4);
if ($steps < 1 || $steps > 50) {
$steps = 1;
$logmsg = "Error: Steps out of range " . $steps . "\n";
lib_log("CSH", $logmsg);
}
lib_log("CSH", " + ");
$order = "NBC_STEPPER_CTRL 1 " . $steps . " 20";
lib_log("CSH", $order);
insertOrder($waterOut_sid, $order);
lib_remember($labelLatestOrderTime, $snow);
} else {
if ($waterOut > $highWaterOut) {
lib_log("CSH", "C_DOWN");
$steps = $waterOut - ($highWaterOut + $lowWaterOut) / 2.0;
$steps = round($steps * 4);
if ($steps < 1 || $steps > 50) {
$steps = 1;
$logmsg = "Error: Steps out of range " . $steps . "\n";
lib_log("CSH", $logmsg);
}
lib_log("CSH", " - ");
$order = "NBC_STEPPER_CTRL 2 " . $steps . " 20";
lib_log("CSH", $order);
insertOrder($waterOut_sid, $order);
lib_remember($labelLatestOrderTime, $snow);
} else {
lib_log("CSH", " Temperature within target ");
}
}
} else {
if ($smokeTemp < 25.0) {
lib_log("CSH", "Heater is off ");
}
if ($waterOut < $waterIn) {
lib_log("CSH", "No heating is needed ");
}
}
} else {
lib_log("CSH", "Sleeping");
}
lib_log("CSH", "\n");
lib_log("CSH", "-----End-----\n");
}
$docRoot = $_SERVER['DOCUMENT_ROOT'];
$labelTargetTemperature = "CSH_targetTemperature";
$do = isset($_GET['do']) ? $_GET['do'] : null;
if ($do == 'csl') {
system("rm -f log/CSH.log");
}
if ($do == 'inc') {
$targetTemp = (int) lib_recall($labelTargetTemperature) + 1.0;
lib_remember($labelTargetTemperature, $targetTemp);
}
if ($do == 'dec') {
$targetTemp = (int) lib_recall($labelTargetTemperature) - 1.0;
lib_remember($labelTargetTemperature, $targetTemp);
}
$targetTemp = (int) lib_recall($labelTargetTemperature);
$burnerStatus = (int) lib_recall("CSH_smokeDir");
if ($burnerStatus == 1) {
$burner_ON_OFF = "ON";
}
if ($burnerStatus == 2) {
$burner_ON_OFF = "OFF";
}
$waterTempOut = lib_getLatestValue(1);
$waterTempIn = lib_getLatestValue(3);
$outdoorTemp = lib_getLatestValue(9);
$indoorTemp = lib_getLatestValue(2);
$smokeTemp = lib_getLatestValue(4);
$energy = 100 * ($waterTempOut - $waterTempIn);
echo "<body>";
echo "<table border=\"1\">";
echo "<tr><td><a href=\"sxn_csh.php\">Control Saxen Heater</a></td></tr>";