From d33394881688c760ac17bb4f0c432fa76bc49be2 Mon Sep 17 00:00:00 2001
From: JeroenSt <nospam@nospam.org>
Date: Sat, 27 Aug 2022 09:11:36 +0200
Subject: [PATCH] Solved ModbusTCP writing wrong registers

---
 tasmota/tasmota_xdrv_driver/xdrv_63_modbus_bridge.ino | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tasmota/tasmota_xdrv_driver/xdrv_63_modbus_bridge.ino b/tasmota/tasmota_xdrv_driver/xdrv_63_modbus_bridge.ino
index 8c9d5cbea..f8c0a04c6 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_63_modbus_bridge.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_63_modbus_bridge.ino
@@ -646,13 +646,14 @@ void ModbusTCPHandle(void)
           {
             writeData[dataPointer] = (uint16_t)((((uint16_t)modbusBridgeTCP.tcp_buf[dataStartByte+(dataPointer*2)]) << 8) 
                             | ((uint16_t)modbusBridgeTCP.tcp_buf[dataStartByte + 1 + (dataPointer*2)]));
+            AddLog(LOG_LEVEL_DEBUG_MORE, "%d=%04X", dataPointer, writeData[dataPointer]);
           }
         }
 
         AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("MBS: MBRTCP to Modbus Transactionid:%d, deviceAddress:%d, functionCode:%d, startAddress:%d, sendCount:%d, recvCount:%d"),
                modbusBridgeTCP.tcp_transaction_id, mbdeviceaddress, mbfunctioncode, mbstartaddress, dataSendCount, modbusBridge.dataCount);
 
-        tasmotaModbus->Send(mbdeviceaddress, mbfunctioncode, mbstartaddress, modbusBridge.dataCount, writeData, dataSendCount);
+        tasmotaModbus->Send(mbdeviceaddress, mbfunctioncode, mbstartaddress, dataSendCount, writeData);
 
         free(writeData);
       }