kopia lustrzana https://github.com/espressif/esp-idf
134 wiersze
4.7 KiB
C
134 wiersze
4.7 KiB
C
/* Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* FreeModbus Libary: ESP32 TCP Port
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* Copyright (C) 2006 Christian Walter <wolti@sil.at>
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* Parts of crt0.S Copyright (c) 1995, 1996, 1998 Cygnus Support
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* File: $Id: port.h,v 1.2 2006/09/04 14:39:20 wolti Exp $
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*/
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#ifndef _PORT_TCP_SLAVE_H
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#define _PORT_TCP_SLAVE_H
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/* ----------------------- Platform includes --------------------------------*/
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#include "esp_log.h"
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#include "lwip/sys.h"
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#include "freertos/event_groups.h"
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#include "port.h"
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/* ----------------------- Defines ------------------------------------------*/
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifdef __cplusplus
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PR_BEGIN_EXTERN_C
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#endif
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/* ----------------------- Type definitions ---------------------------------*/
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typedef struct {
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int xIndex; /*!< Slave information index */
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int xSockId; /*!< Socket ID of slave */
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int xError; /*!< Socket error */
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int xRcvErr; /*!< Socket receive error */
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const char* pcIpAddr; /*!< TCP/UDP IP address */
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UCHAR* pucRcvBuf; /*!< Receive buffer pointer */
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USHORT usRcvPos; /*!< Receive buffer position */
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int pcPort; /*!< TCP/UDP port number */
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eMBPortProto xMbProto; /*!< Protocol type */
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int64_t xSendTimeStamp; /*!< Send request time stamp */
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int64_t xRecvTimeStamp; /*!< Receive response time stamp */
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uint16_t usTidCnt; /*!< Transaction identifier (TID) for slave */
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} MbSlaveInfo_t;
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typedef struct {
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TaskHandle_t xMbTcpTaskHandle; /*!< Master TCP/UDP handling task handle */
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QueueHandle_t xConnectQueue; /*!< Master connection queue */
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USHORT usPort; /*!< Master TCP/UDP port number */
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USHORT usMbSlaveInfoCount; /*!< Master count of connected slaves */
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USHORT ucCurSlaveIndex; /*!< Master current processing slave index */
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eMBPortIpVer eMbIpVer; /*!< Master IP version */
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eMBPortProto eMbProto; /*!< Master protocol type */
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void* pvNetIface; /*!< Master netif interface pointer */
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MbSlaveInfo_t** pxMbSlaveInfo; /*!< Master information structure for each connected slave */
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} MbPortConfig_t;
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/* ----------------------- Function prototypes ------------------------------*/
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// The functions below are used by Modbus controller interface to configure Modbus port.
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/**
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* Registers slave IP address
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*
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* @param pcIpStr IP address to register
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*
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* @return TRUE if address registered successfully, else FALSE
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*/
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BOOL xMBTCPPortMasterAddSlaveIp(const CHAR* pcIpStr);
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/**
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* Keeps FSM event handle and mask then wait for Master stack to start
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*
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* @param xEventHandle Master event handle
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* @param xEvent event mask to start Modbus stack FSM
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*
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* @return TRUE if stack started, else FALSE
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*/
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BOOL xMBTCPPortMasterWaitEvent(EventGroupHandle_t xEventHandle, EventBits_t xEvent);
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/**
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* Set network options for Master port
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*
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* @param pvNetIf netif interface pointer
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* @param xIpVersion IP version option for the Master port
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* @param xProto Protocol version option for the Master port
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*
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* @return None
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*/
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void vMBTCPPortMasterSetNetOpt(void* pvNetIf, eMBPortIpVer xIpVersion, eMBPortProto xProto);
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/**
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* Resume TCP/UDP Master processing task
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*
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* @return None
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*/
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void vMBTCPPortMasterTaskStart(void);
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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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