diff -r 000000000000 -r ae252e0fd9b8 mb_ascii_private.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mb_ascii_private.h Sun Mar 05 00:05:46 2017 +0000 @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2002,2016 Mario de Sousa (msousa@fe.up.pt) + * + * This file is part of the Modbus library for Beremiz and matiec. + * + * This Modbus library is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser + * General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this Modbus library. If not, see . + * + * This code is made available on the understanding that it will not be + * used in safety-critical situations without a full and competent review. + */ + + + +#ifndef MODBUS_ASCII_PRIVATE_H +#define MODBUS_ASCII_PRIVATE_H + + + +#include "mb_util.h" + + +/* serial port default configuration... */ +#define DEF_DATA_BITS 7 +#define DEF_STOP_BITS_PAR 1 /* default stop bits if parity is used */ +#define DEF_STOP_BITS_NOP 2 /* default stop bits if parity is not used */ +#define DEF_BAUD_RATE 9600 + + +/* Send retries of ascii frames... */ +#define ASC_FRAME_SEND_RETRY 0 + /* NOTES: + * - the above are the retries at the layer1 level, + * higher layers may decide to retry for themselves! + * - For ascii frames, it doesn't make much sense to retry + * if the first try failed... + */ + + +/* Buffer sizes... */ +#define SEND_BUFFER_SIZE_SMALL (MAX_ASC_FRAME_LENGTH / 2) +#define SEND_BUFFER_SIZE_LARGE (MAX_ASC_FRAME_LENGTH) +#define RECV_BUFFER_SIZE_SMALL (MAX_ASC_FRAME_LENGTH / 2) +#define RECV_BUFFER_SIZE_LARGE (MAX_ASC_FRAME_LENGTH) + + +/* Frame lengths... */ + +/* The smallest element in an ascii frame. + * This is used later to define the smallest value of certain buffers... + */ +#define ASC_FRAME_MIN_ELE_LENGTH ASC_FRAME_HEADER_LENGTH + +#if ASC_FRAME_MIN_ELE_LENGTH < ASC_FRAME_TAIL_LENGTH +#undef ASC_FRAME_MIN_ELE_LENGTH +#define ASC_FRAME_MIN_ELE_LENGTH ASC_FRAME_TAIL_LENGTH +#endif + +#if ASC_FRAME_MIN_ELE_LENGTH < ASC_FRAME_LRC_LENGTH +#undef ASC_FRAME_MIN_ELE_LENGTH +#define ASC_FRAME_MIN_ELE_LENGTH ASC_FRAME_LRC_LENGTH +#endif + +#if ASC_FRAME_MIN_ELE_LENGTH < L2_TO_ASC_CODING +#undef ASC_FRAME_MIN_ELE_LENGTH +#define ASC_FRAME_MIN_ELE_LENGTH L2_TO_ASC_CODING +#endif + + +#endif /* MODBUS_ASCII_PRIVATE_H */ + + + + + + + +