Knob scene Event Source Code for linux Interface Driver.

■能让AD采集器成功采集模拟信息（通过旋转下位机mini2440的旋钮） ■在检测到的血糖血压值不正常时蜂鸣器发出警报 ■实时显示当前时间 -■ make AD successfully capture analog information collection ■ detected in blood glucose blood pressure is not normal buzzer alarm ■ (by rotating the knob next crew mini2440