Domoticz

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?type=command&param=udevice&idx=5997&nvalue=0&svalue=45

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json.htm?type=command&param=udevice&idx=IDX&nvalue=0&svalue=COUNTER;USAGE

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/json.htm?type=command&param=udevice&idx=IDX&svalue=COUNTER

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var IDX = global.get('idxTable','memoryOnly')['Water'].idx;
var msg1 = {};
var msg2 = {};
if (msg.payload.error == 'no error') {
    msg1.payload = { "command": "udevice", "idx": IDX, "svalue": msg.payload.value.toString()};
    msg2.payload = { "command": "addlogmessage", "message": "Water value: "+msg.payload.value.toString()};
} else {
    msg1.payload = { "command": "addlogmessage", "message": "Water ERROR: "+msg.payload.error};
//    msg2.payload = { "command": "sendnotification", "subject": "WATER ERROR!", "subsystem": "pushover", "body": msg.payload.error, "priority": 0};
}
//return msg;
return [[msg1, msg2]];

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<?php

	$espIP="192.168.x.x";
	$domoticzIP="192.168.x.x";
	$sensorIDX="xxxx";

	// -------------------------------------------------------
	// Function to retrieve the ESP32-CAM reading of the meter
	// -------------------------------------------------------

	function espGetValue($espIP)
	{
		$curl = curl_init();
		curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
		curl_setopt($curl, CURLOPT_HTTPHEADER, array(
							'Accept: application/json, text/plain, */*',
							'Content-Type: application/json;charset=utf-8'
							));
		curl_setopt($curl, CURLOPT_URL, "http://".$espIP."/json");

		curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
		$result = curl_exec($curl);
		curl_close($curl);

		$result=json_decode($result);

		if($result -> main -> error == "no error")
		{
			return $result -> main -> value;
		}
		else return FALSE;

	}
	
	// ------------------------------------------
	// Function to push data to a Domoticz sensor
	// ------------------------------------------

	function sendToSensor($domoticzIP,$sensorIDX,$val)
	{
		/* API Reference : https://www.domoticz.com/wiki/Domoticz_API/JSON_URL%27s#Electricity_.28instant_and_counter.29	*/

		$API=$domoticzIP;

   		$curl = curl_init();
		curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "POST");
   		
		curl_setopt($curl, CURLOPT_POST, 1);
		curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
		curl_setopt($curl, CURLOPT_HTTPHEADER, array(
							'Accept: application/json, text/plain, */*',
							'Content-Type: application/json;charset=utf-8'
							));
		curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
		curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
		curl_setopt($curl, CURLOPT_URL, "https://".$API."/json.htm?type=command&param=udevice&idx=".$sensorIDX."&nvalue=0&svalue=".$val);
		curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

		$result = curl_exec($curl);
		curl_close($curl);

		if(json_decode($result)->status=="OK") return TRUE;
		else return FALSE;
	}

	// =======================================================
	// Entry point
	// =======================================================

	$res=espGetValue($espIP);

	if($res)
	{
	 	print("-> Value is ".$res." m3\n");
	 	print("=> Pushing data to Domoticz sensor...");
		sendToSensor($domoticzIP,$sensorIDX,$res);
		print("\nDone.\n\n")	 	;
	 	
	}
	else
	{
	 	print(">> Nothing to do.\n\n");
	}
	
?>