msousa@0: /*
msousa@0:  * Copyright (c) 2002,2016 Mario de Sousa (msousa@fe.up.pt)
msousa@0:  *
msousa@0:  * This file is part of the Modbus library for Beremiz and matiec.
msousa@0:  *
msousa@0:  * This Modbus library is free software: you can redistribute it and/or modify
msousa@0:  * it under the terms of the GNU Lesser General Public License as published by
msousa@0:  * the Free Software Foundation, either version 3 of the License, or
msousa@0:  * (at your option) any later version.
msousa@0:  *
msousa@0:  * This program is distributed in the hope that it will be useful, but
msousa@0:  * WITHOUT ANY WARRANTY; without even the implied warranty of
msousa@0:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 
msousa@0:  * General Public License for more details.
msousa@0:  *
msousa@0:  * You should have received a copy of the GNU Lesser General Public License
msousa@0:  * along with this Modbus library.  If not, see <http://www.gnu.org/licenses/>.
msousa@0:  *
msousa@0:  * This code is made available on the understanding that it will not be
msousa@0:  * used in safety-critical situations without a full and competent review.
msousa@0:  */
msousa@0: 
msousa@0: 
msousa@0: 
msousa@0: #ifndef MODBUS_ASCII_PRIVATE_H
msousa@0: #define MODBUS_ASCII_PRIVATE_H
msousa@0: 
msousa@0: 
msousa@0: 
msousa@0: #include "mb_util.h"
msousa@0: 
msousa@0: 
msousa@0: /* serial port default configuration... */
msousa@0: #define DEF_DATA_BITS 7
msousa@0: #define DEF_STOP_BITS_PAR 1 /* default stop bits if parity is used     */
msousa@0: #define DEF_STOP_BITS_NOP 2 /* default stop bits if parity is not used */
msousa@0: #define DEF_BAUD_RATE 9600
msousa@0: 
msousa@0: 
msousa@0: /* Send retries of ascii frames... */
msousa@0: #define ASC_FRAME_SEND_RETRY 0
msousa@0:   /* NOTES:
msousa@0:    *  - the above are the retries at the layer1 level,
msousa@0:    *    higher layers may decide to retry for themselves!
msousa@0:    *  - For ascii frames, it doesn't make much sense to retry
msousa@0:    *    if the first try failed...
msousa@0:    */
msousa@0: 
msousa@0: 
msousa@0: /* Buffer sizes... */
msousa@0: #define SEND_BUFFER_SIZE_SMALL  (MAX_ASC_FRAME_LENGTH / 2)
msousa@0: #define SEND_BUFFER_SIZE_LARGE  (MAX_ASC_FRAME_LENGTH)
msousa@0: #define RECV_BUFFER_SIZE_SMALL  (MAX_ASC_FRAME_LENGTH / 2)
msousa@0: #define RECV_BUFFER_SIZE_LARGE  (MAX_ASC_FRAME_LENGTH)
msousa@0: 
msousa@0: 
msousa@0: /* Frame lengths... */
msousa@0: 
msousa@0: /* The smallest element in an ascii frame.
msousa@0:  * This is used later to define the smallest value of certain buffers...
msousa@0:  */
msousa@0: #define ASC_FRAME_MIN_ELE_LENGTH   ASC_FRAME_HEADER_LENGTH
msousa@0: 
msousa@0: #if     ASC_FRAME_MIN_ELE_LENGTH < ASC_FRAME_TAIL_LENGTH
msousa@0: #undef  ASC_FRAME_MIN_ELE_LENGTH
msousa@0: #define ASC_FRAME_MIN_ELE_LENGTH   ASC_FRAME_TAIL_LENGTH
msousa@0: #endif
msousa@0: 
msousa@0: #if     ASC_FRAME_MIN_ELE_LENGTH < ASC_FRAME_LRC_LENGTH
msousa@0: #undef  ASC_FRAME_MIN_ELE_LENGTH
msousa@0: #define ASC_FRAME_MIN_ELE_LENGTH   ASC_FRAME_LRC_LENGTH
msousa@0: #endif
msousa@0: 
msousa@0: #if     ASC_FRAME_MIN_ELE_LENGTH < L2_TO_ASC_CODING
msousa@0: #undef  ASC_FRAME_MIN_ELE_LENGTH
msousa@0: #define ASC_FRAME_MIN_ELE_LENGTH   L2_TO_ASC_CODING
msousa@0: #endif
msousa@0: 
msousa@0: 
msousa@0: #endif  /* MODBUS_ASCII_PRIVATE_H */
msousa@0: 
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