menuconfig BR2_PACKAGE_LIBMODBUS bool "libmodbus" help libmodbus is a free software library to send/receive data according to the Modbus protocol. This library is written in C and supports RTU (serial) and TCP (Ethernet) communications. https://libmodbus.org if BR2_PACKAGE_LIBMODBUS config BR2_PACKAGE_LIBMODBUS_USE_PREBUILT bool "use prebuilt binary instead of building from source" default y endif