File list (Check if you may need any files):
电子闹钟\ch452.c
........\ch452.h
........\ch452.LST
........\ch452.OBJ
........\clock.Opt
........\clock_Uv2.Bak
........\ds1302
........\ds1302.c
........\ds1302.h
........\ds1302.LST
........\ds1302.OBJ
........\i2c.c
........\i2c.h
........\i2c.LST
........\i2c.OBJ
........\main.c
........\main.LST
........\main.OBJ
........\time
........\time.hex
........\time.M51
........\time.Opt
........\time.plg
........\time.Uv2
........\time_Opt.Bak
........\time_Uv2.Bak
电子闹钟