modbus rtu 1.1 plugins

plugins/protocols/modbus_rtu/codec/ModbusRtuCodec.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+
+#include <QByteArray>
+#include <QString>
+
+#include "plugins/protocols/modbus_rtu/types/ModbusRtuPdu.h"
+
+namespace softbus::message_bus::pipeline
+{
+enum class BusDirection;
+}
+
+namespace softbus::message_bus::pipeline::protocol
+{
+
+bool decodeModbusRtu(softbus::message_bus::pipeline::BusDirection dir,
+                     const std::uint8_t*                           p,
+                     std::size_t                                   n,
+                     ModbusRtuPdu&                                 out,
+                     QString*                                      errMsg = nullptr);
+
+bool encodeModbusRtu(const ModbusRtuPdu& pdu, QByteArray& out, QString* errMsg = nullptr);
+
+} // namespace softbus::message_bus::pipeline::protocol