1 /* 2 * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU. 3 * Copyright (c) 2006 Christian Walter <[email protected]> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * File: $Id: mbrtu.h,v 1.9 2006/12/07 22:10:34 wolti Exp $ 29 * File: $Id: mbrtu.h,v 1.60 2013/08/17 13:11:42 Armink Add Master Functions $ 30 */ 31 #include "mbconfig.h" 32 33 #ifndef _MB_RTU_H 34 #define _MB_RTU_H 35 36 #ifdef __cplusplus 37 PR_BEGIN_EXTERN_C 38 #endif 39 eMBErrorCode eMBRTUInit( UCHAR slaveAddress, UCHAR ucPort, ULONG ulBaudRate, 40 eMBParity eParity ); 41 void eMBRTUStart( void ); 42 void eMBRTUStop( void ); 43 eMBErrorCode eMBRTUReceive( UCHAR * pucRcvAddress, UCHAR ** pucFrame, USHORT * pusLength ); 44 eMBErrorCode eMBRTUSend( UCHAR slaveAddress, const UCHAR * pucFrame, USHORT usLength ); 45 BOOL xMBRTUReceiveFSM( void ); 46 BOOL xMBRTUTransmitFSM( void ); 47 BOOL xMBRTUTimerT15Expired( void ); 48 BOOL xMBRTUTimerT35Expired( void ); 49 50 #if MB_MASTER_RTU_ENABLED > 0 51 eMBErrorCode eMBMasterRTUInit( UCHAR ucPort, ULONG ulBaudRate,eMBParity eParity ); 52 void eMBMasterRTUStart( void ); 53 void eMBMasterRTUStop( void ); 54 eMBErrorCode eMBMasterRTUReceive( UCHAR * pucRcvAddress, UCHAR ** pucFrame, USHORT * pusLength ); 55 eMBErrorCode eMBMasterRTUSend( UCHAR slaveAddress, const UCHAR * pucFrame, USHORT usLength ); 56 BOOL xMBMasterRTUReceiveFSM( void ); 57 BOOL xMBMasterRTUTransmitFSM( void ); 58 BOOL xMBMasterRTUTimerExpired( void ); 59 #endif 60 61 #ifdef __cplusplus 62 PR_END_EXTERN_C 63 #endif 64 #endif 65