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communication through rs485 modbus protocol

Question asked by bharti sharma on Jul 10, 2017
Latest reply on Jul 13, 2017 by gudgel.bob

Hi, My question is i want to communicate through uart between  stm32f030 board  and inverter ,I am using rs485 converter to TTL board.communication has done through modbus protocol.Driver enable pin is high data will transmit and when pin is low data will receive, I am unable to write code in receiving mode using modbus protocol , I have attached file ,so please help me.