本代码是基于标准c8051单片机的时钟打铃程序，主要实现的是数字时钟功能，可对时间进行调整，设定时间定时打铃，并且能随自己意愿调整铃声。-This code is based on the standard c8051 MCU clock bell program, the main achievement is the digital clock feature, which allows time to adjust, set the timer bell time, and can adjust the ring with their wishes.