From d7df607f924ab4ac4f51a7bb0247a52101cb5779 Mon Sep 17 00:00:00 2001
From: Aaska Black Wolf <aaskablackwolf.blockchain@ud.me>
Date: Thu, 4 Jun 2026 13:07:31 +0200
Subject: [PATCH] timeout to prevent blocked process due to serial interface
 not receiving any data

---
 config.json | 3 ++-
 worker.php  | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/config.json b/config.json
index 926fadc..b72b868 100644
--- a/config.json
+++ b/config.json
@@ -2,5 +2,6 @@
   "device": "/dev/serial/by-id/usb-VictronEnergy_BV_VE_Direct_cable_VEAWDESA-if00-port0",
   "database": "VEDirect.db",
   "logfile": "VEDirect.log",
-  "loglevel": "off"
+  "loglevel": "off",
+  "timeout": 30
 }
diff --git a/worker.php b/worker.php
index 5f39433..90a56b2 100644
--- a/worker.php
+++ b/worker.php
@@ -105,7 +105,8 @@
       $bytesToRead = $config->bytesToRead;
     writeLog("Reading $bytesToRead Byte from VE.Direct interface\r\n", 3);
     $dataStream = "";
-    while(strlen($dataStream) < $bytesToRead)
+    $startTime = time();
+    while(strlen($dataStream) < $bytesToRead && time() < $startTime + $config->timeout)
       $dataStream .= dio_read($VEinterface, $bytesToRead);
     dio_close($VEinterface);
     writeLog($dataStream . "\r\n\r\n", 4);