On Friday, 8 April 2022 03:57:45 EDT andy pugh wrote: > On Fri, 8 Apr 2022 at 03:04, Danny Miller <dan...@austin.rr.com> wrote: > > I specified that. Now it doesn't fail on a missing type modbus_t, > > but > > rather "undefined reference" to any modbus_write_bit etc functions. > > So even though I did get that install for libmodbus to work, it just > > has the header file. It's not able to find the definitions in a > > compiled file. > Did you install libmodbus as well as libmodbus-dev? > (This is just a guess, I am actually as confused about the build > process as anyone) > on my rpi4b, running raspios armhf buster, libmodbus is libmodbus5, I have that, and libmodbus-dev installed to build LinuxCNC from github.
A synaptic search for modbus also finds 3 python and python3 versions of that, that each claim to be full implementations in python. One for python2, one for python3, and one for docs. Will those work as well? I find the same on one of my wintel boxes, libmodbus5 is installed on buster. > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
