8位LED數(shù)碼管的電子鐘程序（8BITLEDDIGITALTUBEELECTRONICCLOCKPROGRAM）89C2051DS130274HC5958LEDDIGITALELECTRONICCLOCKPROGRAMAT89C2051HAS15IOPORTS,8DIGITALTUBETODISPLAYABITDIFFICULT,MUSTBEEXTENDED,SOFOR74HC595SERIESANDSHIFTREGISTER,ASECTIONOFASIGNIFICANTCHOICE,ONLYTHREEIOPORTWOULDSOLVETHE88DISPLAY,IFTOBENOTAFRAIDOFALITTLEMORE,BUTONLY20512KOFSTORAGESPACE,BUTALSOLIMITSTHEDISPLAYDS1302OCCUPIES3IO,AP1WITH6IO,THEREARETWOEMPTY,READYTOSETUPALEDAUTOMATICINDUCTIONSWITCHANDADS18B20,IFTHEPROGRAMSIZEALLOWEDTOJOINTHEINFRAREDREMOTECONTROL,LEDDISPLAYALITTLEBIGGER,ISAPRACTICALELECTRONICCLOCKTHISPROGRAMISRELATEDTOTHEPROGRAMIREFERTOOTHERSONTHEIROWNWRITTENMODIFICATION,HASBEENTESTEDONXL2000,THEPROGRAMCOMPILEDONLY1244,ISVERYSMALL,THENADDDS18B20HUMIDITYDISPLAYISALSONOPROBLEM,BUTIHAVENTLEARNEDTHISPART,SOTHEREISNOENTRYINCLUDE/DS1302INTERNALREGISTERDEFINITIONDEFINESEC0X80DEFINEMIN0X82DEFINEHOU0X84DEFINEDAT0X86DEFINEMOU0X88DEFINEWEK0X8ADEFINEYER0X8CDEFINEREAD0X01/DS1302PINDEFINITIONSBITT_CLKP10SBITT_IOP11SBITT_RSTP12/DS1302BYTEDEFINITIONSBITACC0ACC0SBITACC7ACC7/74HC595PINDEFINITIONSBITCLKP15/59511FOOTCLOCKSBITSTRP16/59512PINLATCHSBITRDATAP17/59514FOOTDATA/SETKEYPINDEFINITIONSBITSETP34SBITUPP32SBITDWP33/FUNCTIONDECLARATIONVOIDDELAYSUNSIGNEDCHARVOIDDISPLAYVOIDVOIDSCAN_KEYVOIDVOIDID_CASE1_KEYVOIDSET_IDUNSIGNEDCHAR,UNSIGNEDCHAR/VARIABLEDEFINITIONUNSIGNEDCHARID0,TIMECOUNT,RE_DISP0,AHOUR0,AMINUTE0,ASECOND0,ADATE0,AMOUTH0,AWEEK0,AYEAR0BITYEAR,MOUTH,DATE,WEEK,HOUR,MINUTE,SECOND,FLAG,TLAMPUNSIGNEDCHARCODETAB0XC0,0XF9,0XA4,0XB0,0X99,0X92,0X82,0XF8,0X80,0X90,0XFF/A09DIGITALTUBESEGMENTUNSIGNEDCHARCODETAB20X40,0X79,0X24,0X30,0X19,0X12,0X02,0X78,0X00,0X10,0XFF/A09DIGITALTUBESEGMENTCODEWITHADECIMALPOINTWRITEABYTE/DS1302VOIDRTINPUTBYTEUNSIGNEDCHARDUNSIGNEDCHARIACCDFORI8I0IT_IOACC0T_CLK1T_CLK0ACCACC“1“READABYTE/DS1302UNSIGNEDCHARRTOUTPUTBYTEVOIDUNSIGNEDCHARIFORI8I0IACCACC1ACC7T_IOT_CLK1T_CLK0RETURNACCWRITE/DS1302VOIDWRITE1302UNSIGNEDCHARUCADDR,UNSIGNEDCHARUCDAT_RST0T_CLK0T_RST1RTINPUTBYTEUCADDR/ADDRESSOFTHECOMMANDRTINPUTBYTEUCDA/WRITETHE1BYTEDATAT_CLK1；T_RST0；/讀DS1302UNSIGNEDCHARREAD1302（UNSIGNEDCHARUCADDR）UNSIGNEDCHARUCDATA；T_RST0；T_CLK0；T_RST1；RTINPUTBYTE（UCADDR）；/地址，命令UCDATARTOUTPUTBYTE；/讀1BYTE數(shù)據(jù)T_CLK1；T_RST0；返回（UCDATA）；/74HC595發(fā)送數(shù)據(jù)函數(shù)無效SENDBYTE（UNSIGNEDCHARBBYTE1）無符號字符；對于（F0；F8；F）RDATABBYTE10X80；時(shí)鐘0，時(shí)鐘1；BBYTE1200）RE_DISP0；如果（ID）ID0；/延時(shí)函數(shù)空延遲（無符號字符K）無符號字符I，J；對于（I0；I7）ID0；如果（0）0；0；0；星期0；小時(shí)0；分鐘0；第二0；如果（ID1）小時(shí)1；ID_CASE1_KEY；如果（ID2）小時(shí)0；分鐘1；ID_CASE1_KEY；如果（ID3）分鐘0；二1；ID_CASE1_KEY；如果（ID4）二0；年1；ID_CASE1_KEY；如果（ID5）年口0；1；ID_CASE1_KEY；如果（ID6）口0；日期1；ID_CASE1_KEY；如果（ID7）日期0；周1；ID_CASE1_KEY；/加減鍵與顯示ID_CASE1_KEY虛空（VOID）如果（上）而（DISPLAY起來）；RE_DISP0；SET_ID（ID1）；如果（DW）而（DISPLAYDW）；RE_DISP0；SET_ID（ID2）；/設(shè)定時(shí)間，加減范圍無效SET_ID（UNSIGNEDCHARSEL，UNSIG