1, calendar source 2, the modified version is correct 3 for 4 STC89C52 SCM, use DS1302 chip

新建文件夹\ceshi2
..........\ceshi2.c
..........\ceshi2.hex
..........\ceshi2.lnp
..........\ceshi2.LST
..........\ceshi2.M51
..........\ceshi2.OBJ
..........\ceshi2.Opt
..........\ceshi2.plg
..........\ceshi2.Uv2
..........\ceshi2_Opt.Bak
..........\ceshi2_Uv2.Bak
新建文件夹

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