Auto/Codesys-Library-Atom-Modbus
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snkbyte
2026-09-30 21:17:41 -06:00
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# Embed the shared object in the IEC library
1. Copy the built libCmpAtomModbus.so to the development PC.
2. Open the CmpAtomModbus library containing atMbCall_cext.
3. In POUs add a C Implemented Library object (C Code Integration functionality).
4. Add an Object file for devices: choose the .so and the exact Raspberry Pi
64 SL device/version. If a component name is requested, use CmpAtomModbus.
5. Save/install the library and update the application's library reference.
6. Perform a full download and verify loading and function resolution.
Add separate object files for other device/architecture targets. CODESYS chooses
the matching device entry; do not assign ARM64 binaries to 32-bit devices.
For automatic deployment testing, remove only the old manually added
CmpAtomModbus ComponentManager entry and restart the runtime before download.
Do this while the PLC application is stopped for maintenance.
Official instructions:
https://content.helpme-codesys.com/en/CODESYS%20Control/_rtsl_extension_extension_sdk.html
https://content.helpme-codesys.com/en/CODESYS%20Development%20System/_cds_obj_c_implemented_library.html