实验名称：看门狗实验的应用级程序

* 实验说明：S3C2410内部具有一个看门狗定时器，可以设置为看门狗功能，

* 设定在一定时间内，如果没有将看门狗计数寄存器复位，

* 将引发系统复位，本实验设定复位时间为2秒，

* 如果在两秒内没有复位将导致系统复位。-Experiment name: application-level watchdog experimental test program* Note: S3C2410 has an internal watchdog timer can be set to the watchdog function,* set in a certain period of time, if not reset the watchdog count register ,* will trigger the system reset, set the reset time of the experiment for 2 seconds,* if not reset within two seconds will cause the system to reset.