在查看MotorWare的“motorware_software_architecture.pdf”里讲到了使用queue的好处
“A better software architecture for two levels of priority is to add queue processing to a background task and post a thread from the ISR into a queue.”
但是没有看到哪儿有例程，所以不知道该怎么用queue模块，请问哪儿能找到例程
