基于双缓冲队列的串口通信模块的研究与实现,提出基于一种称之为双缓冲队列的串口缓冲区管理策略的串口软件模块的实现方法和其中要注意的问题。-Research and Implementation of the serial communication module based on dual-buffer queue, based on a technique called serial buffer management strategy for double-buffer queue of th

上位PC机通过串口发送命令至单片机，单片机根据接收到字符分别发出车警/火警/救护等报警声。-Host PC send commands to the microcontroller via the serial port . Respectively, according to the reception of the character, the MCU issues car police/fire/ambulance alarm sound.

rtos issues , samples , compare platforms-rtos issues , samples , compare platforms