SetOption158 publish/suppress ModbusReceived MQTT messages

tasmota/include/tasmota_globals.h

@@ -314,6 +314,9 @@ String EthernetMacAddress(void);
 #ifndef MQTT_LWT_ONLINE
 #define MQTT_LWT_ONLINE             "Online"   // MQTT LWT online topic message
 #endif
+#ifndef MQTT_DISABLE_MODBUSRECEIVED
+#define MQTT_DISABLE_MODBUSRECEIVED 0         // 1 = Disable ModbusReceived mqtt messages, 0 = Enable ModbusReceived mqtt messages (default)
+#endif
 
 #ifndef MESSZ
 #define MESSZ                       1040       // Max number of characters in JSON message string (Hass discovery and nice MQTT_MAX_PACKET_SIZE = 1200)

tasmota/include/tasmota_types.h

@@ -191,7 +191,7 @@ typedef union {                            // Restricted by MISRA-C Rule 18.4 bu
     uint32_t zcfallingedge : 1;            // bit 9  (v13.0.0.1) - SetOption155 - (ZCDimmer) Enable rare falling Edge dimmer instead of leading edge
     uint32_t sen5x_passive_mode : 1;       // bit 10 (v13.1.0.1) - SetOption156 - (Sen5x) Run in passive mode when there is another I2C master (e.g. Ikea Vindstyrka), i.e. do not set up Sen5x sensor, higher polling interval
     uint32_t neopool_outputsensitive : 1;  // bit 11 (v13.2.0.1) - SetOption157 - (NeoPool) Output sensitive data (1)
-    uint32_t spare12 : 1;                  // bit 12
+    uint32_t mqtt_disable_modbus : 1;      // bit 12 (v13.2.0.1) - SetOption158 - (MQTT) Disable publish ModbusReceived MQTT messages, you must use event trigger rules instead.
     uint32_t spare13 : 1;                  // bit 13
     uint32_t spare14 : 1;                  // bit 14
     uint32_t spare15 : 1;                  // bit 15

tasmota/my_user_config.h

@@ -418,6 +418,7 @@
 #define MQTT_TELE_RETAIN       0                 // Tele messages may send retain flag (0 = off, 1 = on)
 #define MQTT_CLEAN_SESSION     1                 // Mqtt clean session connection (0 = No clean session, 1 = Clean session (default))
 #define MQTT_DISABLE_SSERIALRECEIVED 0           // 1 = Disable sserialreceived mqtt messages, 0 = Enable sserialreceived mqtt messages (default)
+#define MQTT_DISABLE_MODBUSRECEIVED  0           // 1 = Disable ModbusReceived mqtt messages, 0 = Enable ModbusReceived mqtt messages (default)
 
 // -- MQTT - Domoticz -----------------------------
 #define USE_DOMOTICZ                             // Enable Domoticz (+6k code, +0.3k mem)

tasmota/tasmota_support/settings.ino

@@ -1121,6 +1121,7 @@ void SettingsDefaultSet2(void) {
   flag5.mqtt_persistent |= ~MQTT_CLEAN_SESSION;
   flag6.mqtt_disable_sserialrec |= MQTT_DISABLE_SSERIALRECEIVED;
 //  flag.mqtt_serial |= 0;
+  flag6.mqtt_disable_modbus |= MQTT_DISABLE_MODBUSRECEIVED;
   flag.device_index_enable |= MQTT_POWER_FORMAT;
   flag3.time_append_timezone |= MQTT_APPEND_TIMEZONE;
   flag3.button_switch_force_local |= MQTT_BUTTON_SWITCH_FORCE_LOCAL;

tasmota/tasmota_xdrv_driver/xdrv_63_modbus_bridge.ino

@@ -380,7 +380,11 @@ void ModbusBridgeHandle(void)
         }
         ResponseAppend_P(PSTR("]}"));
         ResponseJsonEnd();
-        MqttPublishPrefixTopicRulesProcess_P(RESULT_OR_TELE, PSTR(D_JSON_MODBUS_RECEIVED));
+        if (Settings->flag6.mqtt_disable_modbus ) {  // SetOption158  If it is activated, Tasmota will not publish ModbusReceived MQTT messages, but it will proccess event trigger rules
+          XdrvRulesProcess(0);
+        } else {
+          MqttPublishPrefixTopicRulesProcess_P(RESULT_OR_TELE, PSTR(D_JSON_MODBUS_RECEIVED));
+        }
       }
       else if (modbusBridge.type == ModbusBridgeType::mb_hex)
       {
@@ -394,7 +398,11 @@ void ModbusBridgeHandle(void)
         }
         ResponseAppend_P(PSTR("]}"));
         ResponseJsonEnd();
-        MqttPublishPrefixTopicRulesProcess_P(RESULT_OR_TELE, PSTR(D_JSON_MODBUS_RECEIVED));
+        if (Settings->flag6.mqtt_disable_modbus ) {  // SetOption158  If it is activated, Tasmota will not publish ModbusReceived MQTT messages, but it will proccess event trigger rules
+          XdrvRulesProcess(0);
+        } else {
+          MqttPublishPrefixTopicRulesProcess_P(RESULT_OR_TELE, PSTR(D_JSON_MODBUS_RECEIVED));
+        }
       }
       else if ((modbusBridge.buffer[1] > 0) && (modbusBridge.buffer[1] < 7))
       {
@@ -556,7 +564,11 @@ void ModbusBridgeHandle(void)
         ResponseAppend_P(PSTR("}"));
         ResponseJsonEnd();
         if (errorcode == ModbusBridgeError::noerror)
-          MqttPublishPrefixTopicRulesProcess_P(RESULT_OR_TELE, PSTR(D_JSON_MODBUS_RECEIVED));
+          if (Settings->flag6.mqtt_disable_modbus ) {  // SetOption158  If it is activated, Tasmota will not publish ModbusReceived MQTT messages, but it will proccess event trigger rules
+            XdrvRulesProcess(0);
+          } else {
+            MqttPublishPrefixTopicRulesProcess_P(RESULT_OR_TELE, PSTR(D_JSON_MODBUS_RECEIVED));
+          }
       }
       else
         errorcode = ModbusBridgeError::wrongfunctioncode;