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RS485 interfacing with stm32f030

Question asked by bharti sharma on Aug 31, 2017
Latest reply on Aug 31, 2017 by Vangelis Fortounas

hello all,

my question regarding interfacing rs485 with stm32f030r8t6 microcontroller. 485 to ttl converter is used 5v vcc but stm32 works on 3.3v vcc.so how can i interface stm32 with rs485 cnverter. when i  am sending data from stm32 to rs485 some last byte will lost.actually i am working on rs485 modbus protocol. and don't receive any response in  receive buffer register.so please help me with example code using stm32 controller so that i can work on further.

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