该程序是在 linux环境下实现的虚拟字符驱动程序，包含驱动程序、上层测试程序、makefile文件。经调试，该程序已成功运行，希望对大家有帮助。-The program is implemented in a virtual environment under linux character driver, including the driver, the upper test program, makefile files. After commissioning, the program