Resolved! I am not able to transmit my data while giving query for rs485 in STM32F407 DISCOVERY 1 board?
I am not able to transmit my data while giving query for rs485. so as a result no receiving data too. I have selected baud rate 9600 in both energymeter and my uart also. I have selected USART1 , PA9 tx, PA10 rx and GPIO PD11, Module used is Max485 ...