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libraries/ArduinoModbus/src/ModbusRTUClient.cpp

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+/*
+  This file is part of the ArduinoModbus library.
+  Copyright (c) 2018 Arduino SA. All rights reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <errno.h>
+
+extern "C" {
+#include "libmodbus/modbus.h"
+#include "libmodbus/modbus-rtu.h"
+}
+
+#include "ModbusRTUClient.h"
+
+ModbusRTUClientClass::ModbusRTUClientClass() :
+  ModbusClient(1000)
+{
+}
+
+ModbusRTUClientClass::ModbusRTUClientClass(RS485Class& rs485) :
+  ModbusClient(1000),  _rs485(&rs485)
+{
+}
+
+ModbusRTUClientClass::~ModbusRTUClientClass()
+{
+}
+
+int ModbusRTUClientClass::begin(unsigned long baudrate, uint16_t config)
+{
+  modbus_t* mb = modbus_new_rtu(_rs485, baudrate, config);
+
+  if (!ModbusClient::begin(mb, 0x00)) {
+    return 0;
+  }
+
+  return 1;
+}
+
+int ModbusRTUClientClass::begin(RS485Class& rs485, unsigned long baudrate, uint16_t config)
+{
+  _rs485 = &rs485;
+  return begin(baudrate, config);
+}
+
+ModbusRTUClientClass ModbusRTUClient;