Protocol_MODBUS_Over_UART.h

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//------------------------------------------------------------------------------
//! @file       Protocol_MODBUS_Over_UART.h
//! @brief      Communication protocol MODBUS RTU over UART class header file.
//! @attention  No special attention requered.
//! @copyright  (C) 2015-2020 ANVILEX LLC
//!             $HeadURL: https://192.168.3.4:8443/svn/P004_07/ConOpSys/Engine/Protocol_MODBUS_Over_UART.h $
//!             $Revision: 2826 $
//!             $Date: 2021-07-28 13:46:37 +0500 (Mi, 28 Jul 2021) $
//!             $Author: minch $
//------------------------------------------------------------------------------
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
//    this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// 3. Neither the name of ANVILEX nor the names of its contributors may be
//    used to endorse or promote products derived from this software without
//    specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//------------------------------------------------------------------------------
 
#pragma once
 
//------------------------------------------------------------------------------
// Include standard libraries header files
//------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------
// Include thrid party header files
//------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------
// Include ConOpSys header files
//------------------------------------------------------------------------------
 
#include "Protocol_Base.h"
#include "MODBUS_Request_FIFO.h"
#include "MODBUS_Request_PDU.h"
#include "MODBUS_Response_PDU.h"
#include "MODBUS_PDU.h"
 
//------------------------------------------------------------------------------
// Global defines
//------------------------------------------------------------------------------
 
//! @brief MODBUS RTU 150ms turnaround timeout
#define MODBUS_PROTOCOL_TURNAROUND_TIMEOUT  ( (F32)0.15f )
 
//! @brief MODBUS RTU symbol time
#define MODBUS_SYMBOL_TIME                  ( (F32)11.0f / (F32)9600.0f )
 
//! @brief MODBUS RTU 3.5 charachter frame timeout
#define MODBUS_PROTOCOL_FRAME_TIMEOUT       ( ( (F32)3.5f * (F32)11.0f ) / (F32)9600.0f )
 
//! @brief MODBUS RTU 1.5 character symbol timeout
#define MODBUS_PROTOCOL_SYMBOL_TIMEOUT      ( ( (F32)1.5f * (F32)11.0f ) / (F32)9600.0f )
 
//------------------------------------------------------------------------------
// Class definitions
//------------------------------------------------------------------------------
 
//! @brief Communication protocol MODBUS RTU over UART class
class TProtocol_MODBUS_Over_UART : public TProtocol_Base
{
 
  //----------------------------------------------------------------------------
  // Public defines, methods and variables
  //----------------------------------------------------------------------------
 
  public:
 
    //--------------------------------------------------------------------------
    // Public defines
    //--------------------------------------------------------------------------
 
    //! @brief MODBUS RTU register mapping entry struct
    typedef struct
    {
 
      //! @brief ConOpSys parameter ID
      U32 u32_Parameter_ID;
 
      //! @brief MODBUS RTU address
      U16 u16_MODBUS_RTU_Address;
 
    } TParameter_Register_Mapping_Entry;
 
    //! @brief MODBUS RTU coil mapping entry struct
    typedef struct
    {
 
      //! @brief ConOpSys parameter ID
      U32 u32_Parameter_ID;
 
      //! @brief MODBUS RTU address
      U16 u16_MODBUS_RTU_Coil_Address;
 
    } TParameter_Coil_Mapping_Entry;
    
    //! @brief MODBUS RTU input mapping entry struct
    typedef struct
    {
 
      //! @brief ConOpSys parameter ID
      U32 u32_Parameter_ID;
 
      //! @brief MODBUS RTU address
      U16 u16_MODBUS_RTU_Input_Address;
 
    } TParameter_Input_Mapping_Entry;
    
    //! @brief MODBUS FSM state definition
    typedef enum
    {
      
      //! @brief Init state
      enum_Init = 0, 
      
      //! @brief Idle state
      enum_Idle = 1, 
      
      //! @brief Frame receiving state
      enum_Receiving = 2, 
      
      //! @brief Frame processing state
      enum_Processing = 3, 
      
      //! @brief Frame transmitting state
      enum_Transmitting = 4 
      
    } TMODBUS_State;
 
    //--------------------------------------------------------------------------
    // Public methods
    //--------------------------------------------------------------------------
 
    //!-------------------------------------------------------------------------
    //! @brief     Class constructor method
    //! @note      None
    //! \par       Override
    //!            Not allowed
    //! @attention Don't call this method directly.
    //--------------------------------------------------------------------------
    
    TProtocol_MODBUS_Over_UART();
 
    //!-------------------------------------------------------------------------
    //! @brief     Class destructor method
    //! @note      None
    //! \par       Override
    //!            Not allowed
    //! @attention Don't call this method directly.
    //--------------------------------------------------------------------------
    
    ~TProtocol_MODBUS_Over_UART();
 
    //!-------------------------------------------------------------------------
    //! @brief     MODBUS initialisation method
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    VOID Init();
    
    //!-------------------------------------------------------------------------
    //! @brief     MODBUS finalisation method
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    VOID Done();
    
    //!-------------------------------------------------------------------------
    //! @brief     MODBUS 1ms cyclic processing method.
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    virtual VOID Execute_1ms();
    
    //!-------------------------------------------------------------------------
    //! @brief     MODBUS cyclic processing method.
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    virtual VOID Execute();
    
    //!-------------------------------------------------------------------------
    //! @brief     Method sends default driver information over specified communication channel.
    //! @note      None
    //! @param     [in] *object_Protocol - Pointer to the connunication channel
    //! @return    None
    //! \par       Override
    //!            Not requered
    //! @attention None
    //--------------------------------------------------------------------------
    
    virtual VOID Send_Information( TProtocol_Base *object_Protocol );
    
    //!-------------------------------------------------------------------------
    //! @brief     Enter in terminal operation mode method.
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    virtual VOID Enter_Terminal_Mode();
    
    //!-------------------------------------------------------------------------
    //! @brief     Enter in protocol operation mode method.
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    virtual VOID Enter_Protocol_Mode();
    
    //!-------------------------------------------------------------------------
    //! @brief     Return terminal operation mode status method.
    //! @note      None
    //! @return    BOOL - Protocol operatuin mode status
    //! @retval    false - Non-terminal mode selected
    //! @retval    true - Terminal mode selected
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    virtual BOOL Is_Terminal_Mode();
    
    //!-------------------------------------------------------------------------
    //! @brief     Return protocol operatuin mode status method.
    //! @note      None
    //! @return    BOOL - Protocol operatuin mode status
    //! @retval    false - Non-protocol mode selected
    //! @retval    true - Protocol mode selected
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    virtual BOOL Is_Protocol_Mode();
    
    //!-------------------------------------------------------------------------
    //! @brief     Enable show system welcome message method.
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    VOID Show_System_Welcome_Message_Enable();
    
    //!-------------------------------------------------------------------------
    //! @brief     Disable show system welcome message method.
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    VOID Show_System_Welcome_Message_Disable();
    
    //!-------------------------------------------------------------------------
    //! @brief     Enable system ready message method.
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    VOID Show_System_Ready_Message_Enable();
    
    //!-------------------------------------------------------------------------
    //! @brief     Disable system ready message method.
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    VOID Show_System_Ready_Message_Disable();
 
    //!-------------------------------------------------------------------------
    //! @brief     Communication data receive method
    //! @note      None
    //! @param     [in] u8_Receive_Value - Received value
    //! @return    None
    //! \par       Override
    //!            Requered
    //! @attention None
    //--------------------------------------------------------------------------
    
    virtual VOID Communication_Data_Receive( U8 u8_Receive_Value );
    
    //!-------------------------------------------------------------------------
    //! @brief     Communication data receive method
    //! @note      None
    //! @param     [in] void_Receive_Data - Pointer on received data
    //! @return    None
    //! \par       Override
    //!            Requered
    //! @attention None
    //--------------------------------------------------------------------------
    
    virtual VOID Communication_Data_Receive( VOID *void_Receive_Data );
 
    //!-------------------------------------------------------------------------
    //! @brief     Receiveed string processing method
    //! @note      None
    //! @param     [in] *c8_String - Pointer to the null terminated string
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    virtual VOID Receive_String( C8 *c8_String );
    
    //!-------------------------------------------------------------------------
    //! @brief     Receiveed string processing method
    //! @note      This method is not used in this object.
    //! @param     [in] *c8_String - Pointer to the null terminated string
    //! @param     [in] u32_Length - Length of the string
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
    
    virtual VOID Receive_String( C8 *c8_String, U32 u32_Length );
 
    //!-------------------------------------------------------------------------
    //! @brief     Set node address method
    //! @note      None
    //! @param     [in] u8_Address - New node address
    //! @return    BOOL - operation status
    //! @retval    false - The address assignment is unsuccessful
    //! @retval    true - The address assignment is successful
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    virtual BOOL Set_Address( U8 u8_Address );
 
    //!-------------------------------------------------------------------------
    //! @brief     Transmit boot welcome message method.
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
 
    VOID Transmit_Boot_Welcome_Message();
    
    //!-------------------------------------------------------------------------
    //! @brief     Transmit boot ready message method.
    //! @note      None
    //! @return    None
    //! \par       Override
    //!            Not allowed
    //! @attention None
    //--------------------------------------------------------------------------
    
    VOID Transmit_System_Ready_Message();
 
  //----------------------------------------------------------------------------
  // Protected defines, methods and variables
  //----------------------------------------------------------------------------
 
  protected:
 
  //----------------------------------------------------------------------------
  // Private defines, methods and variables
  //----------------------------------------------------------------------------
 
  private:
 
    //--------------------------------------------------------------------------
    // Protected defines
    //--------------------------------------------------------------------------
 
    typedef struct
    {
      
      //! @brief Log event empty flag
      BOOL bool_Empty; 
      
      //! @brief Log event code
      U8 u8_Event_Field;
      
    } TMODBUS_Event_Log_Record;
 
    //--------------------------------------------------------------------------
    // Protected methods
    //--------------------------------------------------------------------------
 
//    BOOL Protocol_Parameter_Read_Request(); //!< Parameter read request method.
//    BOOL Protocol_Parameter_Write_Request(); //!< Parameter write request method.
 
    //!-------------------------------------------------------------------------
    //! @brief     The method returns the conOpSys parameter index by modbus register
    //! @note      None
    //! @param     [in] u16_Modbus_Address - Modbus register address
    //! @param     [out] *u32_Parameter_ID - Pointer to the conOpSys parameter index
    //! @return    BOOL - Operation status
    //! @retval    false - Parameter not found
    //! @retval    true - Parameter found successfully
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Get_ConOpSys_Parameter_Index_By_MODBUS_Register( U16 u16_Modbus_Address, U32 *u32_Parameter_ID );
 
    //!-------------------------------------------------------------------------
    //! @brief     The method returns the conOpSys parameter index by modbus coil
    //! @note      None
    //! @param     [in] u16_MODBUS_RTU_Coil - Modbus coil address
    //! @param     [out] *u32_Parameter_ID - Pointer to the conOpSys parameter index
    //! @return    BOOL - Operation status
    //! @retval    false - Parameter not found
    //! @retval    true - Parameter found successfully
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Get_ConOpSys_Parameter_Index_By_MODBUS_Coil( U16 u16_MODBUS_RTU_Coil, U32 *u32_Parameter_ID );
 
    //!-------------------------------------------------------------------------
    //! @brief     The method returns the conOpSys parameter index by modbus coil
    //! @note      None
    //! @param     [in] u16_MODBUS_RTU_Input - Modbus input address
    //! @param     [out] *u32_Parameter_ID - Pointer to the conOpSys parameter index
    //! @return    BOOL - Operation status
    //! @retval    false - Parameter not found
    //! @retval    true - Parameter found successfully
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Get_ConOpSys_Parameter_Index_By_MODBUS_Input( U16 u16_MODBUS_RTU_Input, U32 *u32_Parameter_ID );
 
    //!-------------------------------------------------------------------------
    //! @brief     Read coils request processing method.
    //! @note      None
    //! @return    BOOL - Operation status
    //! @retval    false - Read error
    //! @retval    true - Reading was successful
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Read_Coils();
 
    //!-------------------------------------------------------------------------
    //! @brief     Read discrete inputs request processing method.
    //! @note      None
    //! @return    BOOL - Operation status
    //! @retval    false - Read error
    //! @retval    true - Reading was successful
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Read_Discrete_Inputs();
 
    //!-------------------------------------------------------------------------
    //! @brief     Read holding registers inputs request processing method.
    //! @note      None
    //! @return    BOOL - Operation status
    //! @retval    false - Read error
    //! @retval    true - Reading was successful
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Read_Holding_Registers();
 
    //!-------------------------------------------------------------------------
    //! @brief     Read input register request processing method.
    //! @note      This method is not used in this object.
    //! @return    BOOL - Operation status
    //! @retval    false - Read error
    //! @retval    true - Reading was successful
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Read_Input_Register();
 
    //!-------------------------------------------------------------------------
    //! @brief     Write single coil request processing method.
    //! @note      None
    //! @return    BOOL - Operation status
    //! @retval    false - Read error
    //! @retval    true - Reading was successful
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Write_Single_Coil();
    
    //!-------------------------------------------------------------------------
    //! @brief     Write single register request processing method.
    //! @note      None
    //! @return    BOOL - Operation status
    //! @retval    false - Read error
    //! @retval    true - Reading was successful
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
    
    BOOL Write_Single_Register();
    
    //!-------------------------------------------------------------------------
    //! @brief     Read exception status request method.
    //! @note      This method is not used in this object.
    //! @return    BOOL - Operation status
    //! @retval    false - Read error
    //! @retval    true - Reading was successful
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Read_Exception_Status();
 
    //!-------------------------------------------------------------------------
    //! @brief     Diagnostics request processing method.
    //! @note      This method is not used in this object.
    //! @return    BOOL - Operation status
    //! @retval    false - Method not implemented
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Diagnostic();
 
    //!-------------------------------------------------------------------------
    //! @brief     Get communication event counter request processing method.
    //! @note      None
    //! @return    BOOL - Operation status
    //! @retval    false - Operation faild
    //! @retval    true - Operation done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Get_Communication_Event_Counter();
 
    //!-------------------------------------------------------------------------
    //! @brief     Get communication log request processing method.
    //! @note      None
    //! @return    BOOL - Operation status
    //! @retval    false - Operation faild
    //! @retval    true - Operation done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Get_Communication_Event_Log();
 
    //!-------------------------------------------------------------------------
    //! @brief     Write multiple coils request processing method.
    //! @note      None
    //! @return    BOOL - Operation status
    //! @retval    false - Writing faild
    //! @retval    true - Writing done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Write_Multiple_Coils();
 
    //!-------------------------------------------------------------------------
    //! @brief     Write multiple registers processing method.
    //! @note      None
    //! @return    BOOL - Operation status
    //! @retval    false - Operation faild
    //! @retval    true - Operation done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Write_Multiple_Registers();
 
    //!-------------------------------------------------------------------------
    //! @brief     Report server ID processing method.
    //! @note      This method is not used in this object.
    //! @return    BOOL - Operation status
    //! @retval    false - Operation faild
    //! @retval    true - Operation done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Report_Server_ID();
    
    //!-------------------------------------------------------------------------
    //! @brief     Read file record processing method.
    //! @note      This method is not used in this object.
    //! @return    BOOL - Operation status
    //! @retval    false - Operation faild
    //! @retval    true - Operation done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
    
    BOOL Read_File_Record();
    
    //!-------------------------------------------------------------------------
    //! @brief     Write file record processing method.
    //! @note      This method is not used in this object.
    //! @return    BOOL - Operation status
    //! @retval    false - Operation faild
    //! @retval    true - Operation done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
    
    BOOL Write_File_Record();
    
    //!-------------------------------------------------------------------------
    //! @brief     Mask write register processing method.
    //! @note      This method is not used in this object.
    //! @return    BOOL - Operation status
    //! @retval    false - Operation faild
    //! @retval    true - Operation done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
    
    BOOL Mask_Write_Register();
    
    //!-------------------------------------------------------------------------
    //! @brief     Read mask register processing method.
    //! @note      None
    //! @return    BOOL - Operation status
    //! @retval    false - Operation faild
    //! @retval    true - Operation done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
    
    BOOL Read_Write_Multiple_Registers();
    
    //!-------------------------------------------------------------------------
    //! @brief     Read FIFO queue processing method.
    //! @note      This method is not used in this object.
    //! @return    BOOL - Operation status
    //! @retval    false - Operation faild
    //! @retval    true - Operation done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Read_FIFO_Queue();
 
    //!-------------------------------------------------------------------------
    //! @brief     Encapsulated interface transport processing method.
    //! @note      None
    //! @return    BOOL - Processing status
    //! @retval    false - Processing faild
    //! @retval    true - Processing done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    BOOL Encapsulated_Interface_Transport();
    
    //!-------------------------------------------------------------------------
    //! @brief     CANopen generala reference processing method.
    //! @note      None
    //! @return    BOOL - Processing status
    //! @retval    false - Processing faild
    //! @retval    true - Processing done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
    
    BOOL CANopen_General_Reference();
    
    //!-------------------------------------------------------------------------
    //! @brief     Read device identification processing method.
    //! @note      This method is not used in this object.
    //! @return    BOOL - Reading status
    //! @retval    false - Reading faild
    //! @retval    true - Reading done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
    
    BOOL Read_Device_Identefication();
 
    //!-------------------------------------------------------------------------
    //! @brief     Log slave read input registers error processing method.
    //! @note      This method is not used in this object.
    //! @return    BOOL - Reading status
    //! @retval    false - Reading faild
    //! @retval    true - Reading done
    //! \par       Override
    //!            Not allowed
    //! @attention This method called from interrupt
    //--------------------------------------------------------------------------
 
    VOID Log_Slave_Read_Input_Register_Error();
 
//    VOID Protocol_Transmit_Error_Code( TProtocol_Return_Code enum_Return_Code ); //!< Transmit error code
//    VOID Protocol_Transmit_String( C8 *c8_String ); //!< Transmit string
 
    //--------------------------------------------------------------------------
    // Private variables
    //--------------------------------------------------------------------------
    
    //! @brief RX buffer
    U8 u8_RX_Buffer[ 256 ] = { (U8)0x00 }; 
 
    //! @brief RX buffer index
    U32 u32_RX_Buffer_Index = (U32)0; 
 
//    TMODBUS_Request_FIFO struct_Request_FIFO;
 
    //! @brief Request PDU object
    TMODBUS_Request_PDU object_Request_PDU; 
    
    //! @brief Responce PDU object
    TMODBUS_Response_PDU object_Response_PDU; 
 
    //! @brief Actual MODBUS address
    U8 u8_MODBUS_Address = (U8)1; 
    
    //! @brief Actual MODBUS baudrate
    U32 u32_MODBUS_Baudrate = (U32)9600; 
 
    U64 u64_Last_Symbol_Timestamp = (U64)0;
    
    //! @brief Modbus FSM state
    TMODBUS_State fsm_MODBUS_State = enum_Init; 
 
    //! @brief Event log buffer
    TMODBUS_Event_Log_Record struct_Event_Log[ 64 ]; 
 
    //--------------------------------------------------------------------------
    // PDU frame counters
    //--------------------------------------------------------------------------
 
    //! @brief Communication event counter
    U32 u32_Communication_Event_Counter = (U32)0;
 
    //! @brief Slave read input register error counter
    U32 u32_Slave_Read_Input_Register_Error_Counter = (U32)0;
 
    //! @brief Functional code 0x01 request counter
    U32 u32_Functional_Code_0x01_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x02 request counter
    U32 u32_Functional_Code_0x02_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x03 request counter
    U32 u32_Functional_Code_0x03_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x04 request counter
    U32 u32_Functional_Code_0x04_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x05 request counter
    U32 u32_Functional_Code_0x05_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x06 request counter
    U32 u32_Functional_Code_0x06_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x07 request counter
    U32 u32_Functional_Code_0x07_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 request counter
    U32 u32_Functional_Code_0x08_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x00 request counter
    U32 u32_Functional_Code_0x08_0x00_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x01 request counter
    U32 u32_Functional_Code_0x08_0x01_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x02 request counter
    U32 u32_Functional_Code_0x08_0x02_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x03 request counter
    U32 u32_Functional_Code_0x08_0x03_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x04 request counter
    U32 u32_Functional_Code_0x08_0x04_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x05 request counter
    U32 u32_Functional_Code_0x08_0x05_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x06 request counter
    U32 u32_Functional_Code_0x08_0x06_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x07 request counter
    U32 u32_Functional_Code_0x08_0x07_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x08 request counter
    U32 u32_Functional_Code_0x08_0x08_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x09 request counter
    U32 u32_Functional_Code_0x08_0x09_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x0A request counter
    U32 u32_Functional_Code_0x08_0x0A_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x0B request counter
    U32 u32_Functional_Code_0x08_0x0B_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x0C request counter
    U32 u32_Functional_Code_0x08_0x0C_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x0D request counter
    U32 u32_Functional_Code_0x08_0x0D_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x0E request counter
    U32 u32_Functional_Code_0x08_0x0E_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x0F request counter
    U32 u32_Functional_Code_0x08_0x0F_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x10 request counter
    U32 u32_Functional_Code_0x08_0x10_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x11 request counter
    U32 u32_Functional_Code_0x08_0x11_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x12 request counter
    U32 u32_Functional_Code_0x08_0x12_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x08 0x13 request counter
    U32 u32_Functional_Code_0x08_0x13_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x0B request counter
    U32 u32_Functional_Code_0x0B_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x0C request counter
    U32 u32_Functional_Code_0x0C_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x0F request counter
    U32 u32_Functional_Code_0x0F_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x10 request counter
    U32 u32_Functional_Code_0x10_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x11 request counter
    U32 u32_Functional_Code_0x11_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x14 request counter
    U32 u32_Functional_Code_0x14_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x15 request counter
    U32 u32_Functional_Code_0x15_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x16 request counter
    U32 u32_Functional_Code_0x16_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x17 request counter
    U32 u32_Functional_Code_0x17_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x18 request counter
    U32 u32_Functional_Code_0x18_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x2B request counter
    U32 u32_Functional_Code_0x2B_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x2B 0x0C request counter
    U32 u32_Functional_Code_0x2B_0x0C_Request_Counter = (U32)0;
    
    //! @brief Functional code 0x2B 0x0D request counter
    U32 u32_Functional_Code_0x2B_0x0D_Request_Counter = (U32)0;
 
};
 
//------------------------------------------------------------------------------
// End of file
//------------------------------------------------------------------------------