dm6467板卡中I2c总线下RTC ds3231驱动模块-dm6467 board in I2c bus driver module under the RTC ds3231

dm6467后台进程，用于查看硬盘是否正常工作，采用进程间通信来通知前台进程-dm6467 background process, used to view hard drive is working correctly, using inter-process communication to inform the foreground process

dm6467后台进程，用于查看硬盘是否正常工作，采用进程间通信来通知前台进程-dm6467 background process, used to view hard drive is working correctly, using inter-process communication to inform the foreground process