; Source created with Parsic Version 3.x ; at : 2008.03.25. 13:44:30 ; Project File : C:\PROGRA~1\Parsic\Led_100.PIC ; Project Version : 1.0.3 ; Created : 2008.03.25. 13:33:30 ; Last change : 2008.03.25. 13:44:25 PROCESSOR 16F628 INCLUDE P16F628.INC RADIX DEC __IDLOCS H'0100' __CONFIG _CP_OFF & _PWRTE_ON & _WDT_OFF & _BODEN_ON & _INTRC_OSC_NOCLKOUT & _LVP_OFF & _MCLRE_ON ; Diverses ZERO EQU Z ; ZERO-Flag CARRY EQU C ; CARRY-Flag ; Variable TR1 = 32 ; located in Bank 0 TR1_HI = 33 ; located in Bank 0 S1 = 34 ; located in Bank 0 ZV1 = 35 ; located in Bank 0 ZV1_FD = 36 ; located in Bank 0 S0 = 37 ; located in Bank 0 RAM = 38 ; located in Bank 0 SYS_WSAV = 112 ; located in Bank 0, 1, 2, 3 SYS_SSAV = 113 ; located in Bank 0, 1, 2, 3 SYS_TMP1 = 114 ; located in Bank 0, 1, 2, 3 SYS_TMP2 = 115 ; located in Bank 0, 1, 2, 3 SYS_FSAV = 116 ; located in Bank 0, 1, 2, 3 ERRORLEVEL -302 ; disable warning (Bankswitching) ERRORLEVEL -306 ; disable warning (Pageswitching) ;**************************************** ;Programmanfang ;**************************************** ORG 0 CLRF STATUS ; switch to RAM-Bank 0 GOTO SYS_INIT NOP NOP ;**************************************** ;Interrupt-Adress ;**************************************** MOVWF SYS_WSAV ; save register SWAPF STATUS,W CLRF STATUS ; bank 0 MOVWF SYS_SSAV MOVFW FSR MOVWF SYS_FSAV BTFSS INTCON,T0IF ; TMR0 ? GOTO NOTMR0INT BCF INTCON,T0IF ; Interrupt quitieren BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 INCFSZ TR1,F GOTO SYS_INT_LABEL_0 INCF TR1_HI,F SYS_INT_LABEL_0 NOTMR0INT EXITINT MOVFW SYS_FSAV MOVWF FSR SWAPF SYS_SSAV,W ; Register zurück MOVWF STATUS SWAPF SYS_WSAV,F SWAPF SYS_WSAV,W RETFIE ;**************************************** ; Subroutines ;**************************************** ;**************************************** ; Direct jump into a table ;**************************************** SYSTABJMP BCF INTCON,GIE BTFSC INTCON,GIE GOTO SYSTABJMP MOVFW SYS_TMP2 MOVWF PCLATH MOVFW SYS_TMP1 MOVWF PCL ;**************************************** ;Initialisierung ;**************************************** SYS_INIT MOVLW B'00100000' MOVWF INTCON ; Set output before direction BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 MOVLW B'00000000' MOVWF PORTA MOVLW B'00000000' MOVWF PORTB MOVLW 15 BSF STATUS,RP0 ; Bank 1 MOVWF OPTION_REG ; Richtung setzen MOVLW B'11111111' MOVWF TRISA MOVLW B'11100000' MOVWF TRISB BCF STATUS,RP0 ; Bank 0 MOVLW 7 ; Comparators off MOVWF CMCON ; init vars ; Clear RAM BCF STATUS,IRP MOVLW 32 MOVWF FSR CR1 CLRF INDF INCF FSR,F BTFSS FSR,7 GOTO CR1 BSF FSR,5 CR2 CLRF INDF INCF FSR,F MOVLW H'F0' SUBWF FSR,W BTFSS STATUS,ZERO GOTO CR2 BSF STATUS,IRP MOVLW 32 MOVWF FSR CR3 CLRF INDF INCF FSR,F MOVLW H'50' SUBWF FSR,W BTFSS STATUS,ZERO GOTO CR3 BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 CLRF TMR0 BCF INTCON,T0IF BSF INTCON,GIE ; Interrupt freigeben ;********************************** ;******* Haupt-Programm *********** ;********************************** MAIN ;*************************************************** ; Timer -> TR1 ;*************************************************** MOVLW 0 ; Test auf >= BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 SUBWF TR1_HI,W ;F-W -> W BTFSS STATUS,ZERO GOTO LABEL_TR1_CHECK MOVLW 195 SUBWF TR1,W ;F-W -> W LABEL_TR1_CHECK BTFSS STATUS,CARRY GOTO LABEL_TR1_ENDE LABEL_TR1_RESET MOVLW 0 ; Test auf >= SUBWF TR1_HI,F ;F-W -> F MOVLW 195 SUBWF TR1,F ;F-W -> F BTFSS STATUS,CARRY DECF TR1_HI,F LABEL_TR1_SET ; toggel output BTFSC S1,3 GOTO LABEL_TR1_CLR BSF S1,3 GOTO LABEL_TR1_ENDE LABEL_TR1_CLR BCF S1,3 LABEL_TR1_ENDE ;*************************************************** ; Zähler -> ZV1 ;*************************************************** BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 BTFSS S1,2 ; Reset ? GOTO LABEL_ZV1_COUNT CLRF ZV1 GOTO LABEL_ZV1_SETOUT LABEL_ZV1_COUNT ; Test auf positive Flanke BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 BTFSS S1,0 GOTO LABEL_ZV1_SETFD BTFSC ZV1_FD,0 GOTO LABEL_ZV1_SETFD BSF ZV1_FD,0 BTFSC S1,2 ; Vorwärts oder Rückwärts ? GOTO LABEL_ZV1_BACKWARD INCF ZV1,F GOTO LABEL_ZV1_SETOUT LABEL_ZV1_BACKWARD BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 DECF ZV1,F LABEL_ZV1_SETOUT LABEL_ZV1_SETFD ; Test auf negative Flanke BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 BTFSC S1,0 GOTO LABEL_ZV1_EXIT BCF ZV1_FD,0 LABEL_ZV1_EXIT ;*************************************************** ; Schmitt-Trigger 8-Bit -> ST1 ;*************************************************** BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 BTFSC S1,1 ; Ausgang gesetzt ? GOTO LABEL_ST1_MH ; dann mit Hysterese ? MOVLW 4 GOTO LABEL_ST1_TEST LABEL_ST1_MH MOVLW 4 LABEL_ST1_TEST SUBWF ZV1,W BTFSS STATUS,CARRY GOTO LABEL_ST1_RESET BSF S1,1 ; if greater or equal GOTO LABEL_ST1_ENDE LABEL_ST1_RESET BCF S1,1 ; if less LABEL_ST1_ENDE ;*************************************************** ; GND ;*************************************************** BCF S1,2 ; immer Low ;*************************************************** ; Call subroutine TAB ;*************************************************** MOVLW LOW TAB MOVWF SYS_TMP1 MOVLW HIGH TAB MOVWF SYS_TMP2 MOVFW ZV1 ADDWF SYS_TMP1,F BTFSC STATUS,CARRY INCF SYS_TMP2,F CALL SYSTABJMP BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 MOVWF S0 BSF INTCON,GIE ;*************************************************** ; Verteiler -> BV1 ;*************************************************** BTFSC S0,0 GOTO LABEL_BV1_0 BCF PORTB,0 GOTO LABEL_BV1_0_END LABEL_BV1_0 BSF PORTB,0 LABEL_BV1_0_END ;********************************************** BTFSC S0,1 GOTO LABEL_BV1_1 BCF PORTB,1 GOTO LABEL_BV1_1_END LABEL_BV1_1 BSF PORTB,1 LABEL_BV1_1_END ;********************************************** BTFSC S0,2 GOTO LABEL_BV1_2 BCF PORTB,2 GOTO LABEL_BV1_2_END LABEL_BV1_2 BSF PORTB,2 LABEL_BV1_2_END ;********************************************** BTFSC S0,3 GOTO LABEL_BV1_3 BCF PORTB,3 GOTO LABEL_BV1_3_END LABEL_BV1_3 BSF PORTB,3 LABEL_BV1_3_END ;********************************************** BTFSC S0,4 GOTO LABEL_BV1_4 BCF PORTB,4 GOTO LABEL_BV1_4_END LABEL_BV1_4 BSF PORTB,4 LABEL_BV1_4_END ;********************************************** ;*************************************************** ; RS-FLIP-FLOP -> RS1 ;*************************************************** BTFSC S1,2 GOTO LABEL_RS1_RESET BTFSS S1,1 GOTO LABEL_RS1_ENDE BSF S1,4 ; Ausgang setzen GOTO LABEL_RS1_ENDE LABEL_RS1_RESET BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 BCF S1,4 ; Ausgang zurücksetzen LABEL_RS1_ENDE ;*************************************************** ; UND - Gatter -> LG1 ;*************************************************** LABEL_LG1_1 BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 BTFSC S1,4 GOTO LABEL_LG1_FALSE LABEL_LG1_2 BTFSS S1,3 GOTO LABEL_LG1_FALSE LABEL_LG1_TRUE BSF S1,0 GOTO LABEL_LG1_ENDE LABEL_LG1_FALSE BCF STATUS,RP0 ; Bank 0 BCF STATUS,RP1 ; Bank 0 BCF S1,0 LABEL_LG1_ENDE ;**************************************** GOTO MAIN ;*************************************************** ; Table -> TAB ;*************************************************** TAB RETLW 1 ; // INDEX 0 RETLW 3 ; // INDEX 1 RETLW 7 ; // INDEX 2 RETLW 15 ; // INDEX 3 RETLW 31 ; // INDEX 4 RETLW 32 ; // INDEX 5 END