qusba RFID kibim maknayih margaqah ekraaro

1 culma

RFID (Raadiyoh Qagaaqagitak IDentification) teknolooji, toh yaanam, raadiyoh qagaaqagitak baxxaqsi teknolooji, angaaraw teknoloojiy awayih uddur baxaabaxsale charge caalatal, axcih ummattâ qallih taamah addat tan charge, parking lot charge system, w.w. Takkay immay RS-485 inki master node edde yantifiqeenim kee polling mode edde yantifiqeenim, tohih taagah lowsis wakti lowsis kee angaaraw lowsis taqabitte tan.

kompiiter misso caddo kee inxastarih dadalih fayxitteh addat gexsitak geytima kaqo, inxastarih lowsis maknayitte rakiiboh aalat lowsis maknayittek, fanteenah tan dijital lowsis maknayitteey, fixiixisiyyi lowsis maknayittek away baar luk edde yantifiqen fieldbus lowsis maknayitte fan milaagi abak raag geyte. CAN ( lowsiisih arac retteemah) baasay booxah baasay ittallakle angaarawih retteemal rakitak. CAN bus mango master taamah addat geytimaah, network addal yan faxe node gersi node network addal faxe waktil oyti ruubam duudah. too bisle uddurut, CAN baasat duqaysimak finqa sinni teknoloojit duqaysimak. Namma hinnay wohuk dagah yan node inki waktit network fanah data tatrussaanam, node lowsis gubat hayta node lowsis gubat hayta node lowsis gubat hayta. Taham xaloot le. Baas anaakar waasnuh. CAN angaarawih baxxo guftam duddah 10km/5kbps, kee angaaraw caddo guftam duddah 1Mbps. umman CAN oytih solsol CRC cubbusso hinnay gersi cogdaadi geyto oyti angaarawih nummiino yasmitoonuh.

CAN node addat kaxxa hoxa yakke wak, node sissikuk alfimele, tohih taagah gersi node taamah addat taqabi kataasele. Tohih taagah CAN baasih addal kaxxa qimmo le, kaxxa real-time abnisso kee kaxxa qimmo le, RS 485 baasih addal inkih tan qilmih arac xagsaanam duudumtah.

Tah cubbit haak, asmatah application dariifal, kaxxa lowsis taamah lowsis akah yakkennah, 2.4G wireless network RFID ik CAN bus fanah data lowsis akah aban innah abta. Waayirles teknolooji dago awqentaay, milallaaguuy, numma kee ux kibneh uddur tacee. ta goolissot duqaysimak nRF24L01 waayirles angaarawih retteemat xisoonuh. Tama chip mango ximmoomah angaaraw qoklah, 6 takke baxaabaxsale gitittek oyti geytimam duudah.

toh yaanam, culmah ellecabo waayirles retteemah oyti culma 6 baxaabaxsa le ruubiyyi gaba kalti. oyti ruubiyyi ellecabo kak geytimam RFID moojuul.

Dagal tan walalittel rakitak, ta kutbe CAN baasa kee 2.4G waayirles retteemal rakitak qusba RFID charge system xayyoysele.

2 Harxiweer maknayih goolisso

2.1 maknay topoloojii kee maknay gurummaca

2.1.1 maknay topolooji

1haytô muucih addal elle tablennal, RFID aalat wagsiisak oytitte CAN transceiver fanah wireless network fanah tatrussaanam kee tohuk lakal CAN bus fanah PC fanah tatrussaanam faxximta. PC PCI-E baarisiyyi gatbarat duqaysimak CAN foocal. Toh tonnal anuk, wireless angaarawih chip nRF24L01 6 takke baxaabaxsale gitittek oytitte geytam duddaah, tohih taagah CAN node 6 takke RFID terminal devices fanah oytitte geytam xiqtah. laca RFID kibim terminaalitte fayxi kibtam duude wayta wak, mango nodes ossimtam duddah. Inkih tan nodes CAN baasat daffeyteh tan. CAN baasat, umman node PC fan oyta tatrusa.

2.1.2 maknay gurummaca

Ta maknay ( CAN node) namma qunxa maknayitte addat le. B qunxa maknay kak yanim maykorokontroler, RFID moojuul, waayirles moojuul, wagitto, LCD alaalaqa, saaqat moojuul, gubitte kee EEPROM. Mikrokontroler (MCU) RFID mojuul Mifare 1 kardi lowsiisak, wireless mojuul lowsiisak A subsystem fanah ruuba. garab maknay kak yanim maykorokontroler, waayirles moojuul, wagitto kuti kee CAN moojuul. MCU ruuba oyti geytime waayirles moojuul PC fan CAN moojuul. inki node lowsiisam duudah 6 RFID yahaazih marsoh, dudda le maknayal, dubuk 1 qunxa maknay A, tonnal 6 fanti maknay B.

2.2 maykoro koborse

Mikrokontroler STC89LE58RD+, affara 8-bit celta I/O port P0~P3, inki 4-bit celta port P4, 32KB FLASHROM, 1280 bayt RAM, 3 wakti, 8 lowsis raceenaani kee 4 lowsis lowsis sissinaane le. tet xayyos inki gabuuk margaqak raqtam kibbimta.

2.3 DUDDAH moojuul

harxiweer abnisso CAN baasat duqaysimak Philips' SJA1000 kee pca82c250.

2.3.1 SJA1000 firqanfiir culma

SJA1000 currik yan CAN lowsiise. toh qokolta PeliCAN caalat mayxaarah tuxxiq ( CAN2.0B portokool antifiqquk), 11-bit hinnay 29-bit baxxaqsa le, 64-bayti FIFO harge, madqah cogda kee caylale aylalokkih fokkaaqoh dudda, w.w. taniimi.

2.3.2 PCA82C250 fiddima culma

PCA82C250 CAN bus transceiver kinnih tanim kee tamah kaaduk fanti-kaxxa sissikaane (1Mbps fanah) sissin qaynatih angaarawih addat geytimta. Baxaabaxsale taamah-mood taqabi kee eletrooniik taqabi (EMI) lowsiisam duudah, raadiyok lowsiisih taqabi (RFI) lowsiisam duudaah, thermal kalalih taama le. 110 fan takke exxaaxit yangooroweenim duudumtah.

2.3.3 harxiweer foocak angaaraw

4haytô muucih addal elle tablennal, P1 port SJA1000 AD port lih angaaraw abak mango adrees/data bus lih angaaraw abak, P2.0 chip select exxa CS lih angaaraw abak, SJA1000 I/O aalat lih angaaraw abak peripheral memory mapping abak geytima. ossotinah, RX0 kee TX0 SJA1000 angaaraw le RXD kee TXD PCA82C250.

2.4 akat sinni moojuul

2.4.1 nRF24L01 fiddima culma

akat sinni laqlaqu nRF24L01. 2.4GHz wireless raadiyoh frequency transceiver chip kinnim kee 2Mbps fanah yan transceiver chip kinnim kee 125 takke doorit taamah frequency qokoltaah, address kee CRC check taamah afkan leeh, SPI interface le.

is lem garuq garuq pin, qokol 3 garuq raceenaani, kee garuq asta MCU fan ruubam duudah. Is automatic response function le, oytitte geytimteek lakal sugmentitte tasjiilit haytaah, ta sugmentitte hadaf sugmentitteh addat gacsi asta ruuba. Qokol ShockBurstTM caalat, ta caalatal, nRF24L01 angaaraw addah tan sissikaane MCU. nRF24L01 oyta hargam duudah 6 baxaabaxsa le gititte culmah caalatal.

2.4.2 nRF24L01 harxiweer foocak angaaraw

qarwalik 5 elle yanbulle innal, maykorokontroler angaaraw nRF24L01 celsiisak SPI baasih uddur. toh iroh garuq pin IRQ garayyo P3.2 ( iroh garuq 0) maykorokontroler.

2.5 RFID muujul

2.5.1 MF RC500 firqanfiir culma

RFID moojuul filippit yantifiqe' MF RC500, away baar luk edde yantifiqen RFID chips kinni. MF RC500 qoklah ISO14443A portokool kee MIFARE nammaytakkoh foocal gatbara. Kaxxaam sissin analog circuit addat demodulation kee decoding raddi kardi leeh, 64-bayte FIFO buffer kee non-volatile key memory le. ossotinah, toh garuq pin too 6 garuq raceenaani qokoltam kee garuq asta MCU fan ruubam duudah.

2.5.2 MF RC500 harxiweer angaarawih angaaraw

qarwalik 6 elle yanbulle innal, MCU gufneh maysarraqooqi MF RC500 iroh RAM. INT bedu leeh amoh raqtem kee garuq tuxxiiqil madoqaysimta.

3 softi weer maknayih goolisso

qimmisiyyi maykorokontroler porograamak, iroh garuq qunxa maknayih A daffeyteh addah tan caddoh uguugus. garuq astah raceena qunxa maknay A xayyowteh nRF24L01. nRF24L01 oyta geyta waqdi, MCU oyta takriyuh yaysixxigoonuh garuq asta ginta. B garab maknay garuq abnissot maxoqoysima.

qimmol nRF24L01 porograamak, qunxa maknay B xissiime tabaatabsi caalat kee 16- qunxa CRC cubbussot duqaysimak. Awtomatik raddih taamah afkan akah geytannah, oyti gita 0 raddi asta geyuh bicsaanam kee oyti gita 0 geyto sugmentitte ruube numih sugmentitte luk inkih gide takkem faxximta, gacsi asta gitah geytoonuh. maknay kak yakkem laca qunxa maknayittek A, kee rubti sugmentitte too laca qunxa maknayittek qagtam madudda. garab maknay A xikkimeh culmah caalatal, 16-bit CRC cubbussot duqaysimak, kee 6 fan oyti gita hargam duudah. Tama 6 culmah adreesitte kulli subsystem B. SJA1000 qimmoh addah fokkaaqol, PliCAN mode edde yantifiqeenim, baud rate 125Kbps kinnim kee culma kee ruubaanam sissin qaynatih addat tan; Xaloot lowsiisih maysarraqa rikkisso ciggiltam kaani: qaadik tan caalat, TX giitaanam-adah, kee xaloot lowsiisih qanxix. ossotinah, oggol sirri maysarraqa kee oggol santi saro maysarraqa gitah xikkimtam faxximta. ta rikkissot duqaysimak CAN baasih anaakar tuxxiq abbinoosaanama.

MF RC500 qimbisiyyal, tet lafale farmooma ciggiltam kaani: TX1 kee TX2 xalootitte 13 innal xikkimte.56MHz cayli quuka; satqoh raceena dekooder addah demodulator; Q saaqat culma saaqat innal xoqoysima; tabaatabsa alif kee hirig garuq; daffes Rx waado maysarraqa caddo 0×FF, Bitfaas maysarraqa caddo 0xAD, w.w tanim.

qagitak qemmisiyyi esseroh tuxxiq gorrisam Mifare1 gatbarah addat xaloot le caddo anteenah. gatbara tenek, angaaraw angaaraw xissiimelem kee gatbara qaynatih ixxima TAGTYPE kardil tan. bood sadih tuxxiq MF RC500 mango Mifare 1 gatbarak tiya dooraanam xiqsissa. fakiyya. gatbara meexoh tuxxiq gatbaroori lih angaaraw le timixxigeh tan ittallakleh casritte luk. diggoysiyyi tuxxiq ramad le sirri loowo Mifare 1 gatbara lih fakeenit EEPROM MF RC500.

dubuk ramaddos gitat yanil, kiryaatii kee kutbeh abnissoosa takkem duudumtah. Mifare 1 gatbara soolissuh alif amri ruuba.

CAN tuxxiq PC fanah faxxiima oyta ruuboonuh xoqoysil asele. ta margaqa esseroh caalatat duqaysimak oyti ruubeenim yasmitoonuh. Atu tasmitem duddah oyti tabaatabsi duudumteh essero simbilih exxaaxi TBS, TCS kee TS caalat maysarraqal. Inkinnale, waayirles tuxxiiqil, oyti ruubeenim yasmitoonuh, TX_DS esser caalat maysarraqal.

4 maknay gibbatu

Qimbol, RFID moojuul gibbateenih yenen. MIFARE 1 kardi anteenah addat tan lowsis gubat hayya heenih, kardi addal tan lowsis kee kutbeh taama abak, lowsis gubat tan oytitte LCD screenil xayyoosaanam faxximta. ta gibbatuk lakal, RFID moojuul kawsam kee qaadik yaktube. katayak, nummah uddur xayyos retteemah tabaatabsi maknay kusaaqimele. Tama kutbeyta gibbatuh laqnah oytih waayirles tabaatabsat xoqoysimta. jahaaz laqna qeedaalisso DS18B20 dubuk yan qerrat laqnah hangisso. Laqnah qarramtu fanti maknay B. laqnah qarramtu buxah addah laqnah caddo umman sekenxit osgoorow. maykorokontroler laqnah oyta kawsaah, A waayirles retteemah gitaak qunxa maknay fan ruuba. garab maknay A oyta hargam kee CAN baasat ruuba. PC fanah.

PC tattab, yanbulleem rakiibo 6.0 edde yantifiqqeenim qibnaytiino kompiiter porograama. qibnaytiino kompiiter laqnah oyta maynaqul muucusaah kutbeh addat yaktube. laqnah maynaqul tanbulleem qarwalik 8, laqnah caddoh gitiino 1 digri selshes kinni. Laqna currik tan graph kee kutbeh oytitte elle geytimta innal, laqnah oytitte elle geytimta innal abnormality kee oytitte elle geytimta innal geytimtam tamixxige.

  5 amoqayxi

Tama kutbeyta CAN baasat xoqoysimta RS-485 baasat aracat gactuh, wadirsi taqabitte yayseenimi. Wireless teknolooji kaadu nRF24L01 mango ximmoomah angaarawih taamah addat geytimtaah, mango wiring taamah addat geytimta. maknay xissiimeek lakal, orbise maknay gibbateh mango waktih. aqayyaareh xalitte taybulleem too oyti tabaatabsa xakak le, numma kee fayyale nummah uddur xayyos. RS485 baasih goolissot rakitak qaada RFID lakqoh kobxissoh maknayih taqabitte kalaanam kee maqar le xoqoysih qimmo le.