From d25173e591c8357783df53ff9579b3ee2e949a13 Mon Sep 17 00:00:00 2001
From: Stefan Allius <stefan.allius@t-online.de>
Date: Sat, 18 May 2024 23:11:49 +0200
Subject: [PATCH] fix sending next pdu before we have parsed the last response

---
 app/src/modbus.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/src/modbus.py b/app/src/modbus.py
index 9302876..930df86 100644
--- a/app/src/modbus.py
+++ b/app/src/modbus.py
@@ -165,10 +165,10 @@ class Modbus():
                 logging.info(f'Modbus: len error {elmlen} != {self.last_len}')
                 self.err = 4
                 return
-            self.stop_timer()
-
+            first_reg = self.last_reg  # save last_reg before sending next pdu
+            self.stop_timer()          # stop timer and send next pdu
             for i in range(0, elmlen):
-                addr = self.last_reg+i
+                addr = first_reg+i
                 if addr in self.map:
                     row = self.map[addr]
                     info_id = row['reg']