This project is the platform is stm32f103vet6 + FreeRtos.
Global：
1.Compilation tool ：keil mdk, STM32CubeMX
2.Software composition：hal（stm32f103）, user dev(RS485 ...),FreeRtos(v9.0.0),
FreeModbus(link:https://github.com/cwalter-at/freemodbus)
3.APP: ModbusSlave-rtu, IO control
Function：
1.Use Modbus to control the IO
2.Console：used the console to config the modbus,control the board and debug.