CanFestival(official src) folder is the source code provided by the authorities;
master folder is the code used on the master stm32;
slave folder is the code used on the slave stm32;
CanOpen协议学习资料 folder is the learning materials for Can open protocal;
release is the tools for transplanting CanFestival to stm32
For more information, see https://blog.csdn.net/xiaoyink/article/details/89076829