STM32 RS485 communication routines, under IAR edit, can be used directly
File list:
10_RS485
.......\EWARMv5
.......\.......\cortexm3_macro.s
.......\.......\project.eww
.......\.......\stm32f10x_flash.icf
.......\.......\stm32f10x_ram.icf
.......\.......\stm32f10x_vector.c
.......\.......\WY-STM32.ewd
.......\.......\WY-STM32.ewp
.......\main.c
.......\platform_config.h
.......\stm32f10x_conf.h
.......\stm32f10x_it.c
.......\stm32f10x_it.h