This modbus plugin supports modbus-tcp and modbus-rtu. and it requires the Linux libmodbus library, this can be installed with given requirements.sh or the following steps:
$ sudo apt install -y libmodbus-devOn RedHat or CentOS platforms the modbus are help in the epel repository. This must be added before the packages are installed
$ sudo yum install -y epel-release
$ sudo yum install -y libmodbus
$ sudo yum install -y libmodbus-develAlternately simply run the script requirements.sh in this directory.
To build Modbus C++ plugin run the commands:
$ mkdir build
$ cd build
$ cmake ..
$ make- By default the Fledge develop package header files and libraries are expected to be located in /usr/include/fledge and /usr/lib/fledge
- If FLEDGE_ROOT env var is set and no -D options are set, the header files and libraries paths are pulled from the ones under the FLEDGE_ROOT directory. Please note that you must first run 'make' in the FLEDGE_ROOT directory.
You may also pass one or more of the following options to cmake to override this default behaviour:
- FLEDGE_SRC sets the path of a Fledge source tree
- FLEDGE_INCLUDE sets the path to Fledge header files
- FLEDGE_LIB sets the path to Fledge libraries
- FLEDGE_INSTALL sets the installation path of Random plugin
- NOTE:
- The FLEDGE_INCLUDE option should point to a location where all the Fledge header files have been installed in a single directory.
- The FLEDGE_LIB option should point to a location where all the Fledge libraries have been installed in a single directory.
- 'make install' target is defined only when FLEDGE_INSTALL is set
Examples:
no options
$ cmake ..
no options and FLEDGE_ROOT set
$ export FLEDGE_ROOT=/some_fledge_setup
$ cmake ..
set FLEDGE_SRC
$ cmake -DFLEDGE_SRC=/home/source/develop/Fledge ..
set FLEDGE_INCLUDE
$ cmake -DFLEDGE_INCLUDE=/dev-package/include ..
set FLEDGE_LIB
$ cmake -DFLEDGE_LIB=/home/dev/package/lib ..
set FLEDGE_INSTALL
$ cmake -DFLEDGE_INSTALL=/home/source/develop/Fledge
$ cmake -DFLEDGE_INSTALL=/usr/local/fledge