first commit for chrg
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wmano
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/*
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* FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
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* Copyright (c) 2006-2018 Christian Walter <cwalter@embedded-solutions.at>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* File: $Id: mbport.h,v 1.17 2006/12/07 22:10:34 wolti Exp $
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* mbport.h,v 1.60 2013/08/17 11:42:56 Armink Add Master Functions $
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*/
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#ifndef _MB_PORT_H
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#define _MB_PORT_H
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#ifdef __cplusplus
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PR_BEGIN_EXTERN_C
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#endif
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/* ----------------------- Defines ------------------------------------------*/
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/* ----------------------- Type definitions ---------------------------------*/
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typedef enum
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{
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EV_READY = 1<<0, /*!< Startup finished. */
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EV_FRAME_RECEIVED = 1<<1, /*!< Frame received. */
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EV_EXECUTE = 1<<2, /*!< Execute function. */
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EV_FRAME_SENT = 1<<3 /*!< Frame sent. */
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} eMBEventType;
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typedef enum
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{
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EV_MASTER_READY = 1<<0, /*!< Startup finished. */
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EV_MASTER_FRAME_RECEIVED = 1<<1, /*!< Frame received. */
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EV_MASTER_EXECUTE = 1<<2, /*!< Execute function. */
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EV_MASTER_FRAME_SENT = 1<<3, /*!< Frame sent. */
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EV_MASTER_ERROR_PROCESS = 1<<4, /*!< Frame error process. */
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EV_MASTER_PROCESS_SUCESS = 1<<5, /*!< Request process success. */
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EV_MASTER_ERROR_RESPOND_TIMEOUT = 1<<6, /*!< Request respond timeout. */
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EV_MASTER_ERROR_RECEIVE_DATA = 1<<7, /*!< Request receive data error. */
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EV_MASTER_ERROR_EXECUTE_FUNCTION = 1<<8, /*!< Request execute function error. */
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} eMBMasterEventType;
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typedef enum
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{
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EV_ERROR_RESPOND_TIMEOUT, /*!< Slave respond timeout. */
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EV_ERROR_RECEIVE_DATA, /*!< Receive frame data erroe. */
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EV_ERROR_EXECUTE_FUNCTION, /*!< Execute function error. */
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} eMBMasterErrorEventType;
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/*! \ingroup modbus
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* \brief Parity used for characters in serial mode.
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*
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* The parity which should be applied to the characters sent over the serial
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* link. Please note that this values are actually passed to the porting
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* layer and therefore not all parity modes might be available.
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*/
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typedef enum
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{
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MB_PAR_NONE, /*!< No parity. */
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MB_PAR_ODD, /*!< Odd parity. */
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MB_PAR_EVEN /*!< Even parity. */
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} eMBParity;
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/* ----------------------- Supporting functions -----------------------------*/
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BOOL xMBPortEventInit( void );
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BOOL xMBPortEventPost( eMBEventType eEvent );
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BOOL xMBPortEventGet( /*@out@ */ eMBEventType * eEvent );
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BOOL xMBMasterPortEventInit( void );
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BOOL xMBMasterPortEventPost( eMBMasterEventType eEvent );
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BOOL xMBMasterPortEventGet( /*@out@ */ eMBMasterEventType * eEvent );
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void vMBMasterOsResInit( void );
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BOOL xMBMasterRunResTake( int32_t time );
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void vMBMasterRunResRelease( void );
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/* ----------------------- Serial port functions ----------------------------*/
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BOOL xMBPortSerialInit( UCHAR ucPort, ULONG ulBaudRate,
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UCHAR ucDataBits, eMBParity eParity );
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void vMBPortClose( void );
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void xMBPortSerialClose( void );
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void vMBPortSerialEnable( BOOL xRxEnable, BOOL xTxEnable );
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INLINE BOOL xMBPortSerialGetByte( CHAR * pucByte );
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INLINE BOOL xMBPortSerialPutByte( CHAR ucByte );
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BOOL xMBMasterPortSerialInit( UCHAR ucPort, ULONG ulBaudRate,
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UCHAR ucDataBits, eMBParity eParity );
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void vMBMasterPortClose( void );
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void xMBMasterPortSerialClose( void );
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void vMBMasterPortSerialEnable( BOOL xRxEnable, BOOL xTxEnable );
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INLINE BOOL xMBMasterPortSerialGetByte( CHAR * pucByte );
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INLINE BOOL xMBMasterPortSerialPutByte( CHAR ucByte );
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/* ----------------------- Timers functions ---------------------------------*/
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BOOL xMBPortTimersInit( USHORT usTimeOut50us );
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void xMBPortTimersClose( void );
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INLINE void vMBPortTimersEnable( void );
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INLINE void vMBPortTimersDisable( void );
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BOOL xMBMasterPortTimersInit( USHORT usTimeOut50us );
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void xMBMasterPortTimersClose( void );
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INLINE void vMBMasterPortTimersT35Enable( void );
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INLINE void vMBMasterPortTimersConvertDelayEnable( void );
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INLINE void vMBMasterPortTimersRespondTimeoutEnable( void );
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INLINE void vMBMasterPortTimersDisable( void );
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/* ----------------- Callback for the master error process ------------------*/
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void vMBMasterErrorCBRespondTimeout( UCHAR ucDestAddress, const UCHAR* pucPDUData,
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USHORT ucPDULength );
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void vMBMasterErrorCBReceiveData( UCHAR ucDestAddress, const UCHAR* pucPDUData,
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USHORT ucPDULength );
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void vMBMasterErrorCBExecuteFunction( UCHAR ucDestAddress, const UCHAR* pucPDUData,
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USHORT ucPDULength );
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void vMBMasterCBRequestScuuess( void );
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/* ----------------------- Callback for the protocol stack ------------------*/
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/*!
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* \brief Callback function for the porting layer when a new byte is
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* available.
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*
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* Depending upon the mode this callback function is used by the RTU or
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* ASCII transmission layers. In any case a call to xMBPortSerialGetByte()
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* must immediately return a new character.
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*
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* \return <code>TRUE</code> if a event was posted to the queue because
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* a new byte was received. The port implementation should wake up the
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* tasks which are currently blocked on the eventqueue.
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*/
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extern BOOL( *pxMBFrameCBByteReceived ) ( void );
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extern BOOL( *pxMBFrameCBTransmitterEmpty ) ( void );
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extern BOOL( *pxMBPortCBTimerExpired ) ( void );
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extern BOOL( *pxMBMasterFrameCBByteReceived ) ( void );
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extern BOOL( *pxMBMasterFrameCBTransmitterEmpty ) ( void );
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extern BOOL( *pxMBMasterPortCBTimerExpired ) ( void );
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/* ----------------------- TCP port functions -------------------------------*/
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BOOL xMBTCPPortInit( USHORT usTCPPort );
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void vMBTCPPortClose( void );
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void vMBTCPPortDisable( void );
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BOOL xMBTCPPortGetRequest( UCHAR **ppucMBTCPFrame, USHORT * usTCPLength );
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BOOL xMBTCPPortSendResponse( const UCHAR *pucMBTCPFrame, USHORT usTCPLength );
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#ifdef __cplusplus
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PR_END_EXTERN_C
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#endif
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#endif
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