嵌入式stm32通过串口1与NFC模块通信，NFC模块读取mifare卡信息，将此信息最终通过串口2打印到PC端屏幕，同时ucos提供多任务功能，LED1和LED2以多任务方式闪烁-Embedded stm32 1 and the NFC module through the serial port communication, NFC module reads mifare card information, this information is the final print to 2 P