Growatt inverter scripts does not work any more

[rick8245]

Hi

I have this Growatt script which was working fine until last sunday.

It now gives a unexpected http error.
Does anybody recognize this ??

This is the script:
-------------------------
#!/usr/bin/php
<?PHP

/**
* Pass2PHP
* php version 7.0
*
* @category Home_Automation
* @package Pass2PHP lightscript for Growatt Inverter
* @author Sándor Incze
* @license GNU GPLv3
* @link https://github.com/sincze/Domoticz
**/

// $ sudo apt-get update && sudo apt-get upgrade
// $ sudo apt-get install php7.0 php7.0-curl php7.0-gd php7.0-imap php7.0-json php7.0-mcrypt php7.0- php7.0-cli
// $ cd /home/pi/domoticz/scripts
// $ mkdir pass2php
// $ cd pass2php
// $ Add the downloaded RAW file here

// In Domoticz:
// Create Virtual Sensor -> Electric (instant+Counter)
// Check device idx (Setup-> Devices) for created Virtual Sensor
// Check Setup -> Settings -> Local Networks if '127.0.0.*' is present.

// In growatt-inverter.php
// Modify **** to your username line 49
// Modify **** to your password line 50
// Modify DOMOTICZDEVICE **** to your IDX line 56

// In terminal execute 'php /home/pi/domoticz/scripts/pass2php/growatt-inverter.php'
// No errors should be seen, check domoticz created virtual sensor device & log for errors.
// If device is updated continue.

// $ sudo nano /etc/crontab
// add line: */5 * * * * root php /home/pi/domoticz/scripts/pass2php/growatt-inverter.php >/dev/null 2>&1

error_reporting(E_ALL);
ini_set("display_errors","on");
date_default_timezone_set('Europe/Amsterdam');
define('time',$_SERVER['REQUEST_TIME']);
define('domoticz','http://192.168.178.52:8080/');
#define('domoticz','http://127.0.0.1:8080/');

retrieve_growatt_data('test');

function retrieve_growatt_data($command)
{
define('USERNAME', '*****'); // The username or email address of the account.
define('PASSWORD', '******');// The Password of the account
$pw = md5(PASSWORD); // No Need to double md5
//replace leading 0 by c for Growatt
for ($i = 0; $i < strlen($pw); $i=$i+2){
if ($pw[$i]=='0')
{
$pw=substr_replace($pw,'c',$i,1);
}
}

define('USER_AGENT', 'Dalvik/2.1.0 (Linux; U; Android 9; ONEPLUS A6003 Build/PKQ1.180716.001)'); // Set a user agent.
define('COOKIE_FILE','/home/pi/domoticz/scripts/pass2php/growatt.cookie'); // Where our cookie information will be stored (need to be writable!)
define('HEADER',array('Content-Type: application/x-www-form-urlencoded;charset=UTF-8'));
define('LOGIN_FORM_URL', 'http://server-api.growatt.com/newLoginAPI.do'); // URL of the login form.
define('LOGIN_ACTION_URL', 'http://server-api.growatt.com/newLoginAPI.do'); // Login action URL. Sometimes, this is the same URL as the login form.
define('DOMOTICZDEVICE', '65'); // 'idx_here' For Watt / Daily Return
$continue=true;

$postValues = array(
'userName' => USERNAME,
'password' => $pw
);

$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, LOGIN_ACTION_URL); // Set the URL that we want to send our POST request to. In this case, it's the action URL of the login form.
curl_setopt($curl, CURLOPT_POST, true); // Tell cURL that we want to carry out a POST request.
curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($postValues)); // Set our post fields / date (from the array above).
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false); // We don't want any HTTPS errors.
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // We don't want any HTTPS errors.
curl_setopt($curl, CURLOPT_COOKIEJAR, COOKIE_FILE); // Where our cookie details are saved.
// This is typically required for authentication, as the session ID is usually saved in the cookie file.
curl_setopt($curl, CURLOPT_HTTPHEADER, HEADER);
curl_setopt($curl, CURLOPT_COOKIEFILE, COOKIE_FILE);
curl_setopt($curl, CURLOPT_USERAGENT, USER_AGENT); // Sets the user agent. Some websites will attempt to block bot user agents. //Hence the reason I gave it a Chrome user agent.
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); // Tells cURL to return the output once the request has been executed.
curl_setopt($curl, CURLOPT_REFERER, LOGIN_FORM_URL); // Allows us to set the referer header. In this particular case,
// we are fooling the server into thinking that we were referred by the login form.
curl_setopt ($curl, CURLOPT_SSLVERSION, 1);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); // Do we want to follow any redirects?
$result=curl_exec($curl); // Execute the login request.

if(curl_errno($curl)){
switch ($http_code = curl_getinfo($curl, CURLINFO_HTTP_CODE)) {
case 200: $continue=true;# OK
lg('Growatt inverter: Login: Expected HTTP code: ', $http_code);
break;
case 302: $continue=true;# OK
lg('Growatt inverter: Login: Expected HTTP code: ', $http_code);
break;
default: $continue=false;
lg('Growatt inverter: Login: Unexpected HTTP code: ', $http_code);
}
}
curl_close($curl);

if (file_exists(COOKIE_FILE)) lg ('Cookie File: '.COOKIE_FILE.' exists!'); else lg ('Cookie File: '.COOKIE_FILE.' does NOT exist!');
if (is_writable(COOKIE_FILE)) lg ('Cookie File: '.COOKIE_FILE.' is writable!'); else lg ('Cookie File: '.COOKIE_FILE.' NOT writable!');

if ($continue) {

$curl = curl_init();
$url='http://server-api.growatt.com/newPlantA ... EnertyData';
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_COOKIEJAR, COOKIE_FILE);
curl_setopt($curl, CURLOPT_COOKIEFILE, COOKIE_FILE);
curl_setopt($curl, CURLOPT_USERAGENT, USER_AGENT);
curl_setopt($curl, CURLOPT_POSTFIELDS, "language=1" );
curl_setopt($curl, CURLOPT_HTTPHEADER, HEADER);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 1);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt ($curl, CURLOPT_SSLVERSION, 1);
$result = curl_exec($curl);

if(curl_errno($curl)){
switch ($http_code = curl_getinfo($curl, CURLINFO_HTTP_CODE)) {
case 200: $continue=true;# OK
lg('Growatt inverter: Data: Expected HTTP code: ', $http_code);
break;
case 302: $continue=true;# OK
lg('Growatt inverter: Data: Expected HTTP code: ', $http_code);
break;
default: $continue=false;
lg('Growatt inverter: Data: Unexpected HTTP code: ', $http_code);
}
}
curl_close($curl);

$data = json_decode($result, JSON_PRETTY_PRINT);

if(!empty($data['todayStr']) && !empty($data['totalValue'])) {
$nowpower = (float)$data['powerValue'];
$todaypower = (float)$data['todayValue']; // kWH
$allpower = (float)$data['totalValue']; // [totalStr] => 1505.4kWh [totalValue] => 1505.4
$allpower = $allpower*1000; // Convert to Wh
$str=( $nowpower.';'.$allpower ); // times 1000 to convert the 0.1kWh to 100 WattHour and to convert 2.1kWh to 2100 WattHour
lg('Growatt Inverter: '. $nowpower.' for domoticz: '.$str);
ud(DOMOTICZDEVICE,0,$str,'GrowattInverter: Generation updated');
}
}
}


function lg($msg) // Can be used to write loglines to separate file or to internal domoticz log. Check settings.php for value.
{
curl(domoticz.'json.htm?type=command&param=addlogmessage&message='.urlencode('--->> '.$msg));
}

function ud($idx,$nvalue,$svalue,$check=false)
{
curl(domoticz.'json.htm?type=command&param=udevice&idx='.$idx.'&nvalue='.$nvalue.'&svalue='.$svalue);
lg(' (udevice) | '.$idx.' => '.$nvalue.','.$svalue);
}

function curl($url){
$headers=array('Content-Type: application/json');
$ch=curl_init();
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch,CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($ch,CURLOPT_TIMEOUT, 3);
curl_setopt($ch,CURLOPT_USERAGENT,'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13');
curl_setopt($ch,CURLOPT_HTTPHEADER,$headers);
$data=curl_exec($ch);
curl_close($ch);
return $data;
}

?>



This is the Line in sudo crontab
------------------------------------------
*/5 * * * * root php /home/pi/domoticz/scripts/pass2php/growatt-inverter_2.php >/dev/null 2>&1

[rick8245]

I found out that I could not reach the internet and network.
The error is gone and the script does not give any errors.

In domoticz I do not see anything in the log file.
In UTILITY it does not update either

Any ideas ??

thanks in advance

Rick

[waltervl]

What messages do you see in a terminal window when you follow the instructions in the script to test the script

// In terminal execute 'php /home/pi/domoticz/scripts/pass2php/growatt-inverter.php'

And you definitely need internet access to growatt.com. New wifi router? Something changed in your network?

[rick8245]

Hi Waltervl,

Thanks for your response

Manually it works fine now .

I like to use it in a cron so i did : sudo cron -e
Then I put this line into a cron : */5 * * * * root php /home/pi/domoticz/scripts/pass2php/growatt-inverter.php

If i run : grep CRON /var/log/syslog
I do see : Sep 8 07:30:01 raspberrypi CRON[30865]: (pi) CMD (root php /home/pi/domoticz/scripts/pass2php/growatt-inverter.php)

But nothing happens while it should run every 5 minutes ...as far as i know.


Thanks in advance

Rick8245

[rick8245]

I just checked and now it works fine. Maybe it needed some time to run OK

[waltervl]

OK good, thanks for the feedback!

[rick8245]

No problem, thanks for your help Waltervl