freemodbus stm32 hal master slave noos
https://github.com/armink/FreeModbus_Slave-Master-RTT-STM32
becaule no os,only use poll and block to realize a simple event engine.
- uart(pa9,pa10)
- max485 tx/rx control pin (pa8)
- the project based of stm32f103c8,use the stm32cubemx to build the project
- the project use IAR,you can use other IDE or makefile to build the project,just config the stm32cubemx
download link:http://www.st.com/zh/development-tools/stm32cubemx.html the *.ico file is stm32cubemx config file.