/*
 * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
 * Copyright (c) 2006-2018 Christian Walter <cwalter@embedded-solutions.at>
 * All rights reserved.
 *
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 *
 * File: $Id: mbport.h,v 1.17 2006/12/07 22:10:34 wolti Exp $
 *            mbport.h,v 1.60 2013/08/17 11:42:56 Armink Add Master Functions  $
 *            mbport.h,v 1.60 2022/07/17          quanghona <lyhonquang@gmail.com> Add send multiple bytes in one call  $
 */

#ifndef _MB_PORT_H
#define _MB_PORT_H

#ifdef __cplusplus
PR_BEGIN_EXTERN_C
#endif

/* ----------------------- Defines ------------------------------------------*/
#include "port.h"

#define MASTER_SEND_ALL_BYTES_IN_ONE_CALL        (1)
#define SLAVE_SEND_ALL_BYTES_IN_ONE_CALL        (1)

/* ----------------------- Type definitions ---------------------------------*/

typedef enum {
    EV_READY = 1 << 0,         /*!< Startup finished. */
    EV_FRAME_RECEIVED = 1 << 1,         /*!< Frame received. */
    EV_EXECUTE = 1 << 2,         /*!< Execute function. */
    EV_FRAME_SENT = 1 << 3          /*!< Frame sent. */
} eMBEventType;

typedef enum {
    EV_MASTER_READY = 1 << 0,  /*!< Startup finished. */
    EV_MASTER_FRAME_RECEIVED = 1 << 1,  /*!< Frame received. */
    EV_MASTER_EXECUTE = 1 << 2,  /*!< Execute function. */
    EV_MASTER_FRAME_SENT = 1 << 3,  /*!< Frame sent. */
    EV_MASTER_ERROR_PROCESS = 1 << 4,  /*!< Frame error process. */
    EV_MASTER_PROCESS_SUCESS = 1 << 5,  /*!< Request process success. */
    EV_MASTER_ERROR_RESPOND_TIMEOUT = 1 << 6,  /*!< Request respond timeout. */
    EV_MASTER_ERROR_RECEIVE_DATA = 1 << 7,  /*!< Request receive data error. */
    EV_MASTER_ERROR_EXECUTE_FUNCTION = 1 << 8,  /*!< Request execute function error. */
} eMBMasterEventType;

typedef enum {
    EV_ERROR_RESPOND_TIMEOUT,         /*!< Slave respond timeout. */
    EV_ERROR_RECEIVE_DATA,            /*!< Receive frame data erroe. */
    EV_ERROR_EXECUTE_FUNCTION,        /*!< Execute function error. */
} eMBMasterErrorEventType;

/*! \ingroup modbus
 * \brief Parity used for characters in serial mode.
 *
 * The parity which should be applied to the characters sent over the serial
 * link. Please note that this values are actually passed to the porting
 * layer and therefore not all parity modes might be available.
 */
typedef enum {
    MB_PAR_NONE,                /*!< No parity. */
    MB_PAR_ODD,                 /*!< Odd parity. */
    MB_PAR_EVEN                 /*!< Even parity. */
} eMBParity;

/* ----------------------- Supporting functions -----------------------------*/
BOOL xMBPortEventInit(eMBRTUSlaveObj *obj);

BOOL xMBPortEventPost(eMBRTUSlaveObj *obj, eMBEventType eEvent);

BOOL xMBPortEventGet(  /*@out@ */ eMBRTUSlaveObj *obj, eMBEventType *eEvent);

BOOL xMBMasterPortEventInit(void);

BOOL xMBMasterPortEventPost(eMBMasterEventType eEvent);

BOOL xMBMasterPortEventGet(  /*@out@ */ eMBMasterEventType *eEvent);

void vMBMasterOsResInit(void);

BOOL xMBMasterRunResTake(int32_t time);

void vMBMasterRunResRelease(void);

/* ----------------------- Serial port functions ----------------------------*/

BOOL xMBPortSerialInit(eMBRTUSlaveObj *obj);

void vMBPortClose(eMBRTUSlaveObj *obj);

void xMBPortSerialClose(void);

void vMBPortSerialEnable(eMBRTUSlaveObj *obj, BOOL xRxEnable, BOOL xTxEnable);

INLINE BOOL xMBPortSerialGetByte(eMBRTUSlaveObj *obj, CHAR *pucByte);

INLINE BOOL xMBPortSerialPutByte(eMBRTUSlaveObj *obj,CHAR ucByte);

INLINE BOOL xMBPortSerialPutBytes(eMBRTUSlaveObj *obj,volatile UCHAR *ucByte, USHORT usSize);

BOOL xMBMasterPortSerialInit(UCHAR ucPort, ULONG ulBaudRate,
                             UCHAR ucDataBits, eMBParity eParity);

void vMBMasterPortClose(void);

void xMBMasterPortSerialClose(void);

void vMBMasterPortSerialEnable(BOOL xRxEnable, BOOL xTxEnable);

INLINE BOOL xMBMasterPortSerialGetByte(CHAR *pucByte);

INLINE BOOL xMBMasterPortSerialPutByte(CHAR ucByte);

INLINE BOOL xMBMasterPortSerialPutBytes(volatile UCHAR *ucByte, USHORT usSize);

/* ----------------------- Timers functions ---------------------------------*/
BOOL xMBPortTimersInit(USHORT usTimeOut50us, TIM_HandleTypeDef def);

void xMBPortTimersClose(void);

INLINE void vMBPortTimersEnable(eMBRTUSlaveObj *obj);

INLINE void vMBPortTimersDisable(eMBRTUSlaveObj *obj);

BOOL xMBMasterPortTimersInit(USHORT usTimeOut50us);

void xMBMasterPortTimersClose(void);

INLINE void vMBMasterPortTimersT35Enable(void);

INLINE void vMBMasterPortTimersConvertDelayEnable(void);

INLINE void vMBMasterPortTimersRespondTimeoutEnable(void);

INLINE void vMBMasterPortTimersDisable(void);

/* ----------------- Callback for the master error process ------------------*/
void vMBMasterErrorCBRespondTimeout(UCHAR ucDestAddress, const UCHAR *pucPDUData,
                                    USHORT ucPDULength);

void vMBMasterErrorCBReceiveData(UCHAR ucDestAddress, const UCHAR *pucPDUData,
                                 USHORT ucPDULength);

void vMBMasterErrorCBExecuteFunction(UCHAR ucDestAddress, const UCHAR *pucPDUData,
                                     USHORT ucPDULength);

void vMBMasterCBRequestSuccess(void);

/* ----------------------- Callback for the protocol stack ------------------*/

/*!
 * \brief Callback function for the porting layer when a new byte is
 *   available.
 *
 * Depending upon the mode this callback function is used by the RTU or
 * ASCII transmission layers. In any case a call to xMBPortSerialGetByte()
 * must immediately return a new character.
 *
 * \return <code>TRUE</code> if a event was posted to the queue because
 *   a new byte was received. The port implementation should wake up the
 *   tasks which are currently blocked on the eventqueue.
 */
extern BOOL ( *pxMBFrameCBByteReceived )(eMBRTUSlaveObj *pObj);

extern BOOL ( *pxMBFrameCBTransmitterEmpty )(eMBRTUSlaveObj * pObj);

extern BOOL ( *pxMBPortCBTimerExpired )(eMBRTUSlaveObj *pObj);

extern BOOL ( *pxMBMasterFrameCBByteReceived )(void);

extern BOOL ( *pxMBMasterFrameCBTransmitterEmpty )(void);

extern BOOL ( *pxMBMasterPortCBTimerExpired )(void);

/* ----------------------- TCP port functions -------------------------------*/
BOOL xMBTCPPortInit(USHORT usTCPPort);

void vMBTCPPortClose(void);

void vMBTCPPortDisable(void);

BOOL xMBTCPPortGetRequest(UCHAR **ppucMBTCPFrame, USHORT *usTCPLength);

BOOL xMBTCPPortSendResponse(const UCHAR *pucMBTCPFrame, USHORT usTCPLength);

#ifdef __cplusplus
PR_END_EXTERN_C
#endif
#endif
