文件列表:

Modbus-1223f413e054\.hg_archival.txt (172, 2019-02-11)
Modbus-1223f413e054\COPYING (35147, 2019-02-11)
Modbus-1223f413e054\COPYING.LESSER (7650, 2019-02-11)
Modbus-1223f413e054\Makefile (932, 2019-02-11)
Modbus-1223f413e054\mb_addr.h (2446, 2019-02-11)
Modbus-1223f413e054\mb_ascii.c (59428, 2019-02-11)
Modbus-1223f413e054\mb_ascii_private.h (2560, 2019-02-11)
Modbus-1223f413e054\mb_ds_util.h (5873, 2019-02-11)
Modbus-1223f413e054\mb_layer1.h (5158, 2019-02-11)
Modbus-1223f413e054\mb_layer1_prototypes.h (4960, 2019-02-11)
Modbus-1223f413e054\mb_master.c (44445, 2019-02-11)
Modbus-1223f413e054\mb_master.h (12145, 2019-02-11)
Modbus-1223f413e054\mb_master_private.h (1321, 2019-02-11)
Modbus-1223f413e054\mb_rtu.c (76145, 2019-02-11)
Modbus-1223f413e054\mb_rtu_private.h (7560, 2019-02-11)
Modbus-1223f413e054\mb_slave.c (30485, 2019-02-11)
Modbus-1223f413e054\mb_slave.h (4729, 2019-02-11)
Modbus-1223f413e054\mb_slave_and_master.c (4694, 2019-02-11)
Modbus-1223f413e054\mb_slave_and_master.h (1460, 2019-02-11)
Modbus-1223f413e054\mb_slave_private.h (1315, 2019-02-11)
Modbus-1223f413e054\mb_tcp.c (57353, 2019-02-11)
Modbus-1223f413e054\mb_tcp_private.h (3362, 2019-02-11)
Modbus-1223f413e054\mb_time_util.h (6401, 2019-02-11)
Modbus-1223f413e054\mb_types.h (2820, 2019-02-11)
Modbus-1223f413e054\mb_util.h (4520, 2019-02-11)
Modbus-1223f413e054\sin_util.c (6388, 2019-02-11)
Modbus-1223f413e054\sin_util.h (1764, 2019-02-11)

/* * Copyright (c) 2001-2003,2016 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. */ Modbus Protocol Libraries ========================= This directory contains the libararies that implement the modbus protocol stack. This protocol has been implemented as a two layer stack. Layer two includes the mb_master and the mb_slave protocols. Layer one is composed of the mb_rtu, mb_ascii and mb_tcp protocols. Layer1 protocols all implement the same interface, defined in mb_layer1.h Layer2 protocols implement different interfaces, defined in mb_master.h and mb_slave.h Which layer1 protocol that will be used by the program will depend on which layer1 protocol implementation is linked to the final binary/executable. It is not possible to define during run-time which layer1 protocol is to be used. Each compiled program can only support a single layer1 protocol. Users of these libraries should only use functions defined in the layer2 protocol header files (i.e. mb_master.h and mb_slave.h) If writing a program that will simultaneously be a master and a slave, then only use the mb_slave_and_master.h header file! In this case, do not forget to link the final binary to both the master and slave protocol implementations (as well as the chosen layer1 protocol implementation). ------------------------------------------ | | | layer 2 | mb_master.h | mb_slave.h | | mb_master.c | mb_slave.c | | | | |----------------------------------------| | mb_layer1.h | Layer 1 | | | | | mb_rtu.c | mb_ascii.c | mb_tcp.c | | | | | ------------------------------------------

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