From 9b7e5e469db44d25ed6a11fda2c023cbc9e587ee Mon Sep 17 00:00:00 2001
From: Michael Zanetti <michael_zanetti@gmx.net>
Date: Wed, 6 Apr 2022 23:28:12 +0200
Subject: [PATCH] Allow modbus RTU plugins to request a connection reset

---
 libnymea-core/hardware/modbus/modbusrtumasterimpl.cpp | 6 ++++++
 libnymea-core/hardware/modbus/modbusrtumasterimpl.h   | 2 ++
 libnymea/hardware/modbus/modbusrtumaster.h            | 2 ++
 3 files changed, 10 insertions(+)

diff --git a/libnymea-core/hardware/modbus/modbusrtumasterimpl.cpp b/libnymea-core/hardware/modbus/modbusrtumasterimpl.cpp
index a11bf6e7..3b2f0fa2 100644
--- a/libnymea-core/hardware/modbus/modbusrtumasterimpl.cpp
+++ b/libnymea-core/hardware/modbus/modbusrtumasterimpl.cpp
@@ -167,6 +167,12 @@ bool ModbusRtuMasterImpl::connected() const
     return m_connected;
 }
 
+void ModbusRtuMasterImpl::requestReconnect()
+{
+    disconnectDevice();
+    connectDevice();
+}
+
 bool ModbusRtuMasterImpl::connectDevice()
 {
 #ifdef WITH_QTSERIALBUS
diff --git a/libnymea-core/hardware/modbus/modbusrtumasterimpl.h b/libnymea-core/hardware/modbus/modbusrtumasterimpl.h
index 6df0749f..559b4fb9 100644
--- a/libnymea-core/hardware/modbus/modbusrtumasterimpl.h
+++ b/libnymea-core/hardware/modbus/modbusrtumasterimpl.h
@@ -68,6 +68,8 @@ public:
 
     bool connected() const override;
 
+    void requestReconnect() override;
+
     bool connectDevice();
     void disconnectDevice();
 
diff --git a/libnymea/hardware/modbus/modbusrtumaster.h b/libnymea/hardware/modbus/modbusrtumaster.h
index 39ba94be..28c3a85a 100644
--- a/libnymea/hardware/modbus/modbusrtumaster.h
+++ b/libnymea/hardware/modbus/modbusrtumaster.h
@@ -54,6 +54,8 @@ public:
 
     virtual bool connected() const = 0;
 
+    virtual void requestReconnect() = 0;
+
     // Requests
     virtual ModbusRtuReply *readCoil(int slaveAddress, int registerAddress, quint16 size = 1) = 0;
     virtual ModbusRtuReply *readDiscreteInput(int slaveAddress, int registerAddress, quint16 size = 1) = 0;