本书籍通过实例详细讲解了上位机串口编程的过程，通过学习读者可以系统的了解上位机与下位机进行通信时应该注意的问题以及解决方法-This book explains in detail through examples the PC serial port programming process, readers can learn the system by understanding the host computer to communicate with the next crew should pay attention to the problems and solutions