Guest luncaboy Posted April 29, 2009 Share Posted April 29, 2009 Salut!Am si io de facut un proiect numit "Controlul accesului intr-o parcare utilizand o bariera".Ptr asta am la dispozitire o placa EEDT 5.0 cu 2 microcontrolere:A89S52 si ATmega8,un Rfid Card Reader ptr partea de autentificare ,un servomotor Futaba S3003 si senzori de miscare.Problema e ca sunt newb in acest domeniu si as avea nevoie de ajutor,in primul rand cu realizarea conexiunilor si apoi cu partea de cod.Merci anticipat! Link to comment
em2006 Posted May 3, 2009 Share Posted May 3, 2009 Ai CD-ul si toate accesoriile din manual?[attachment=0]EEDT5.0.pdf[/attachment] Link to comment
Guest luncaboy Posted May 4, 2009 Share Posted May 4, 2009 le am dar nu prea stiu ce sa fac cu ele:) Link to comment
em2006 Posted May 4, 2009 Share Posted May 4, 2009 Pai fa ce zice-n manual. Incepe cu asta:[attachment=0]start eedt.pdf[/attachment]Unde nu intelegi, intreaba pe forum, sunt destui care te pot ajuta. Link to comment
Guest luncaboy Posted May 25, 2009 Share Posted May 25, 2009 Am conectat RFID la 89s52 si am scris un cod care trebuie sa faca uC sa primeasca un cod de identificare de la RFID,sa-l compare cu un cod pastrat in memorie si daca sunt egale sa aprinda un led de pe placa.Am testat codul dar din nefericire nu functioneaza.Daca este cineva care se pricepe la assembler il rog sa ma ajute sa fac codul functionabil. Mentionez ca readerul trimite un cod de 12 bytes din care primul este 0x0A,ultimul este 0x0D iar cei 10 bytes de la mijloc reprezinta codul de identificare propriu-zis.Merci anticipat. COUNTER:DS 1RECEIVED BIT 00h ;this is the bit that confirms the receival of 10 bytesVALID_TAG BIT 01h ;this is the bit that confirms the receival of a valid tagBYTE: DS 10 ;in this variable i will store the values of the incoming bytesBYTES: DB 30h,34h,31h,35h,44h,38h,41h,31h,46h,31h ;Is this correct??? ;this is a valid tag IDAJMP START START: MOV TMOD,#20h MOV SCON,#50h MOV TH1,#0F4h MOV TL1,#0F4h SETB TR1 MOV COUNTER,#01h ;init counter CLR RECEIVED CLR VALID_TAG SETB P2.0 ;the LED must be in off stateFIRST_BYTE: JB TI,TRANS ;if transmission is over jump to trans MOV A,SBUF CJNE A,#0Ah,LAST_BYTE ;check first byte MOV COUNTER,#01h AJMP RECEVLAST_BYTE: CJNE A,#0Dh,SEC_BYTE ;check 12-th byte MOV COUNTER,#01h AJMP RECEVSEC_BYTE: MOV R1,COUNTER ;second byte CJNE R1,#01h,TRD_BYTE MOV BYTE,A AJMP INCTRD_BYTE: CJNE R1,#02h,FRTH_BYTE ;third byte MOV BYTE+1,A AJMP INCFRTH_BYTE: CJNE R1,#03h,FIFTH_BYTE ;fourth byte MOV BYTE+2,A AJMP INCFIFTH_BYTE: CJNE R1,#04h,SIXTH_BYTE ;fifth byte MOV BYTE+3,A AJMP INCSIXTH_BYTE: CJNE R1,#05h,SEVENTH_BYTE ;sixth byte MOV BYTE+4,A AJMP INCSEVENTH_BYTE: CJNE R1,#06h,EIGHT_BYTE ;seventh byte MOV BYTE+5,A AJMP INCEIGHT_BYTE: CJNE R1,#07h,NINTH_BYTE ;eight byte MOV BYTE+6,A AJMP INCNINTH_BYTE: CJNE R1,#08h,TENTH_BYTE ;ninth byte MOV BYTE+7,A AJMP INCTENTH_BYTE: CJNE R1,#09h,ELEVENTH_BYTE ;tenth byte MOV BYTE+8,A AJMP INCELEVENTH_BYTE: CJNE R1,#0Ah,INC ;eleventh MOV BYTE+9,A SETB RECEIVED AJMP INC INC: INC COUNTERRECEV: CLR RI RETTRANS: CLR TI RETCHECK: JB RECEIVED,COMPARE ;if we received a 10 bytes tag ID jump to compare RETCOMPARE: MOV A,BYTES ;compare the content of what we received with what we have in memory CJNE A,BYTE,FGG ;the comparisson is done at a byte-by-byte level MOV A,BYTES+1 CJNE A,BYTE+1,FGG MOV A,BYTES+2 CJNE A,BYTE+2,FGG MOV A,BYTES+3 CJNE A,BYTE+3,FGG MOV A,BYTES+4 CJNE A,BYTE+4,FGG MOV A,BYTES+5 CJNE A,BYTE+5,FGG MOV A,BYTES+6 CJNE A,BYTE+6,FGG MOV A,BYTES+7 CJNE A,BYTE+7,FGG MOV A,BYTES+8 CJNE A,BYTE+8,FGG MOV A,BYTES+9 CJNE A,BYTE+9,FGG SETB VALID_TAGFGG: RETLED_CHECK: JB VALID_TAG,GLOW_LED ;if tag ID is a valid tag then make a LED glow RETGLOW_LED: CLR P2.0 SJMP GLOW_LEDEND Link to comment
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