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Labor Mikrocomputertechnik

Labor Mikrocomputertechnik. Spielzeugsortierer. Dozent: Prof. J. Walter Betreuer: W. Loes Gruppe: 12 Teilnehmer: Fadoua Akoucham Rick Hauschwitz. Gliederung. Problemstellung / Aufgabenstellung Black Box Schaltplan Struktogramm Quellcode Vorführung. Problemstellung:

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Labor Mikrocomputertechnik

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  1. Labor Mikrocomputertechnik Spielzeugsortierer Dozent: Prof. J. Walter Betreuer: W. Loes Gruppe: 12 Teilnehmer: Fadoua Akoucham Rick Hauschwitz

  2. Gliederung • Problemstellung / Aufgabenstellung • Black Box • Schaltplan • Struktogramm • Quellcode • Vorführung

  3. Problemstellung: • durch Spielen entsteht Unordnung • einzelne Spielsachen müssen in Handarbeit voneinander getrennt werden • Aufgabenstellung: • Entwicklung eines Geräts zum automatischen Trennen von 2 unterschiedlichen Spielsachen

  4. Blackbox

  5. Schaltplan

  6. Struktogramm

  7. ;-----------------------------------------------------------------------------------------------------------------------------------------------------------;Programmbeschreibung;----------------------------------------------------------------------------------------------------------------------------------------------------------;-----------------------------------------------------------------------------------------------------------------------------------------------------------;Programmbeschreibung;---------------------------------------------------------------------------------------------------------------------------------------------------------- Pulsweitenmodulation und 3sec.warten  TIMER 2 Frequenz der Sendediode  TIMER1 Automatisches Ausschalten des Sortierers  TIMER0

  8. ;Interrupts;----------------------------------------------------------------------------------------------------------------------------------------;Interrupts;---------------------------------------------------------------------------------------------------------------------------------------- ;------------------------------------------------------------------------ ;Interrupt Timer0 ;----------------------------------------------------------------------- ORG 000BH ;Interrupt-Vektor T0 clr TF0 ;Flag erkannt call ENDE ;Rufe Interrupt Service Routine auf reti ;------------------------------------------------------------------------ ;Interrupt Timer1 ;------------------------------------------------------------------------- ORG 001BH ;interrupt-Vektor T1 clr TF1 ;Flag erkannt call SENDEDIODE ;Rufe Interrupt Service Routine auf reti ;------------------------------------------------------------------------ ;Interrupt Timer2 ;------------------------------------------------------------------------ ORG 002BH ;Interrupt-Vektor T2 clr TF2 ;Flag erkannt call Linksstellung ;Rufe Interrupt Service Routine auf reti

  9. Struktogramm

  10. ;------------------------------------------------------------------------------------------------------------------------------------;Initialisierung der Timer 0,1,2;-------------------------------------------------------------------------------------------------------------------------------------- ;----------------------------------------------------------------------------------------------------------------------- ;Timer 0 /TIMER 1 ;----------------------------------------------------------------------------------------------------------------------- mov TMOD,#00100001b ;16 bit timer/counter --> TIMER0 ;8 bit reload timer --> TIMER1 mov TH0,#00h ;LICHTS_H in TH0 laden mov TL0,#00h ;LICHTS_L in TL0 laden clr TF1 ;TIMER1 Flag löschen mov TH1,#0F0h ;FREQUENZ_DIODE in TH1 laden ;------------------------------------------------------------------------------------------------------------------------ ;TIMER2 ;------------------------------------------------------------------------------------------------------------------------ mov T2CON,#00010001B ;Timer2 Einstellung:Timer mit f=f(osz)/12 ;Mode 0 ->Reload bei Ueberlauf mov CCEN,#00001000B ;Compare Mode des CC1 freigeben mov CRCH,#0B1H ;High Byte von Compare Reload Capture mov CRCL,#0E0H ;Low Byte von Compare Reload Capture mov CCL1,#01EH ;Pulsweitenmodulation Anfangswert mov CCH1,#0FBH

  11. Bsp.: TIMER 0 Sortierer soll nach 16sec. Wartezeit stoppen  16 000 000 µsec 16 000 000 µsec/65536 ≈ 245  Anfangswert des TI0 ist #0000h und des Registers R1 #245d

  12. ;------------------------------------------------------------------------------------------------------------------------------------;Initialisierung der Timer 0,1,2;-------------------------------------------------------------------------------------------------------------------------------------- ;----------------------------------------------------------------------------------------------------------------------- ;Timer 0 /TIMER 1 ;----------------------------------------------------------------------------------------------------------------------- mov TMOD,#00100001b ;16 bit timer/counter --> TIMER0 ;8 bit reload timer --> TIMER1 mov TH0,#00h ;LICHTS_H in TH0 laden mov TL0,#00h ;LICHTS_L in TL0 laden clr TF1 ;TIMER1 Flag löschen mov TH1,#0F0h ;FREQUENZ_DIODE in TH1 laden ;------------------------------------------------------------------------------------------------------------------------ ;TIMER2 ;------------------------------------------------------------------------------------------------------------------------ mov T2CON,#00010001B ;Timer2 Einstellung:Timer mit f=f(osz)/12 ;Mode 0 ->Reload bei Ueberlauf mov CCEN,#00001000B ;Compare Mode des CC1 freigeben mov CRCH,#0B1H ;High Byte von Compare Reload Capture mov CRCL,#0E0H ;Low Byte von Compare Reload Capture mov CCL1,#01EH ;Pulsweitenmodulation Anfangswert mov CCH1,#0FBH

  13. Struktogramm

  14. ;---------------------------------------------------------------------------------------------------------------------------------------;Start durch Tastendruck;--------------------------------------------------------------------------------------------------------------------------------------- AN: setb TR1 ;Timer 1 starten setb TR0 ;Timer 0 starten setb P4.0 ;LED "Start" an mov CCL2,#0BAH ;Sortierfinger links mov CCH2,#0FAH ;1,35ms Pulsweite

  15. Struktogramm

  16. ;---------------------------------------------------------------------------------------------------------------------------------------;Signalabfrage;---------------------------------------------------------------------------------------------------------------------------------------;---------------------------------------------------------------------------------------------------------------------------------------;Signalabfrage;--------------------------------------------------------------------------------------------------------------------------------------- START: jb EMPFAENGER,LICHTSCHRANKE ;Signal Empfänger -> Sprung jnb HALLSENSOR,WEICHE ;Signal Hallsensor -> Sprung jnb STOPP_TASTE, STOPP ;Signal Stopptaste -> Sprung jmp START

  17. Struktogramm

  18. ;---------------------------------------------------------------------------------------------------------------------------------------;Lichtschranke;--------------------------------------------------------------------------------------------------------------------------------------;---------------------------------------------------------------------------------------------------------------------------------------;Lichtschranke;-------------------------------------------------------------------------------------------------------------------------------------- LICHTSCHRANKE: mov R1,#245d ;245 in Register 1 laden clr TR0 ;Timer0 stoppen mov TL0,#00H ;Anfangswerte des Timers 0 mov TH0,#00H setb TR0 ;TIMER 0 wieder starten clr TF0 jmp START ;Sprung in Hauptschleife

  19. Struktogramm

  20. ;----------------------------------------------------------------------------------------------------------------------------------------;HALLSENSOR;---------------------------------------------------------------------------------------------------------------------------------------;----------------------------------------------------------------------------------------------------------------------------------------;HALLSENSOR;--------------------------------------------------------------------------------------------------------------------------------------- WEICHE: mov CCH2,#0FCh ;Sortierfinger ;rechter Anschlag mov CCL2,#018h ;1ms Pulsweite setb F0 ;Flag setzen jmp START

  21. ;-------------------------------------------------------------------------------------------------------------------------------------;------------------------------------------------------------------------------------------------------------------------------------- ;Interrupt Service Routine ;-------------------------------------------------------------------------------------------------------------------------------------- Linksstellung: ;ISR Timer 2 jnb F0, FERTIG ;Flag gesetzt? djnz R4, FERTIG clr F0 ;Flag rücksetzen mov CCL2,#0BAH ;Sortierfinger links mov CCH2,#0FAH ;1,35ms Pulsweite mov R4,#150d ;150 in Register R4 FERTIG: ret

  22. Struktogramm

  23. ;----------------------------------------------------------------------------------------------------------------------------------------;Stopptaste;---------------------------------------------------------------------------------------------------------------------------------------;----------------------------------------------------------------------------------------------------------------------------------------;Stopptaste;--------------------------------------------------------------------------------------------------------------------------------------- STOPP: mov CCL2,#082H ;Anfangsstellung Mitte mov CCH2,#0FBH ;1,1ms Pulsweite clr TR0 ;TIMER 0 stoppen clr TR1 ;TIMER 1 stoppen clr LED_START ;LED_START aus clr LED_FERTIG ;LED_FERTIG aus jmp ABFRAGE

  24. Struktogramm

  25. ;-------------------------------------------------------------------------------------------------------------------------;------------------------------------------------------------------------------------------------------------------------- ;Interrupt Service Routine ;-------------------------------------------------------------------------------------------------------------------------- ENDE: ;ISR Timers 0 djnz R1,UP5 mov R1,#245d ;245 in Register 1 mov CCL2,#082h ;Anfangsstellung Mitte mov CCH2,#0FBh ;1,1ms Pulsweite clr TR1 ;TIMER 1 stoppen clr TR0 ;TIMER 0 stoppen clr P4.0 ;LED_START aus setb P4.1 ;LED_FERTIG an jmp ABFRAGE ;SPRUNG UP5: ret

  26. Verbesserungen • Antrieb  stärkere Spannungsversorgung • besseren Sensor  z.B.: Induktiver Sensor • Aufbewahrung der Spielzeuge  z.B.: Trichter

  27. Vielen Dank für die Aufmerksamkeit

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