bgd_modbus V1.0

A simple modbus slave

Website: bgddev.com

After download you can compile the main file to test it

g++ main-test.cpp -o modbus_bgd -std=c++11 -pthread

Supports the following functions:

• ReadCoilStatus FC=01
• ReadHoldingRegisters FC=03
• WriteSingleCoil FC=05
• WriteSingleRegister FC=06
• ForecMultipleCoils FC=15
• WriteMultipleRegisters FC=16

To read and write data inside the registers you have to use MB_MEM, is a static uint16_t two-dimensional array, and this is how it works:

MB_MEM[slave id][register id]