DS12C887RTC的驱动程序，包括显示，调整时间。-DS12C887RTC driven procedures, including, adjustment time.

使用python turtle库实现了动漫人物史迪仔的绘制，画图过程尽量细分将每一个拐角都反复调整角度，直到合适为止，大概耗费了五六个小时的时间绘制成功(Using the python turtle library to achieve the drawing of the cartoon character Stitch, the drawing process is subdivided as much as possible to adjust the angle of each cor