KEIL下编的SST89E58单片机万年历（定时器）程序，包含一般的公历、时间，还带一个秒表，农历（1901-2100年），采用四个按键（按键一为功能/设定切换，按键二为下调，按键三为上调，按键四为状态恢复键），其中按键包含长按键变加速处理等！采用1602LCD作为显示，硬件连接可以参照头文件定义！-KEIL under the SST89E58 Singlechip calendar (timer) procedures, including the general calendar, time, also with a stopwatch, Lunar (1901-2100), the use of four buttons (one button for the function/set switch button Second, for a downward adjustment for the increase of the three buttons, four buttons for the state to restore key), which contains the keys to expedite the processing of variable length keys, etc.! 1602LCD used as a display, hardware connection can be defined by reference to the first file!