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換震盪器後竟然工作很奇怪~~
#1
新會員
新會員


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我的MCU本來是8MHz但我後來換成16MHz 程式沒變,我本來會正常掃瞄跟正常掃key的但目前我換成16後變得完全不一樣。以下是我一小段程式。 就是掃瞄七段跟按鍵的程式,本來只要按下掃到LGT1這行又判斷PORTC,1及,3如果是LOW訊號則CLEAR那個旗標的BIT,正常按START就是START、STOP就是STOP,現在變成按START沒反應,則按下STOP會變成除了把它原本的BTFLAG,1設成0後但奇怪的是START(BTFLAG,0)也被設成0了請幫幫忙^^

MOVLW 0X00
MOVWF PCLATH
BANKSEL SCFLAG_TMP
MOVFF SCFLAG,SCFLAG_TMP
RLNCF SCFLAG_TMP,F
RLNCF SCFLAG_TMP,W
BANKSEL DIG1
ADDWF PCL,F
GOTO LGT1
GOTO LGT2
GOTO LGT3
GOTO LGT4
GOTO LGT5
GOTO LGT6
GOTO LGT7
GOTO LGT8
GOTO LGT9
GOTO LGT10
GOTO LGT11
GOTO LGT12
GOTO LGT13
GOTO LGT14
GOTO LGT15
GOTO LGT16
GOTO LGT17
GOTO LGT18
GOTO LGT19
GOTO LGT20
GOTO LGT21
GOTO LGT22

LGT1
MOVLW 0X07
MOVWF PORTE
BANKSEL DIG1
MOVF DIG1,W
MOVWF DISPLAY
INCF SCFLAG,1
BCF LATC,6
BCF LATC,7
BCF LATB,4
BCF LATB,5
BCF CS74154
BSF BTFLAG,0
BTFSS PORTC,1
BCF BTFLAG,0 ;start
BSF BTFLAG2,0
BTFSS PORTC,3
BCF BTFLAG2,0 ;10
GOTO TMR_END
LGT2
BSF CS74154
BANKSEL DIG2
MOVF DIG2,W
MOVWF DISPLAY
INCF SCFLAG,1
BCF LATB,4
BCF LATB,5
BSF LATC,6
BCF LATC,7
BCF CS74154
BSF BTFLAG,1
BTFSS PORTC,1
BCF BTFLAG,1 ;stop
BSF BTFLAG2,1
BTFSS PORTC,3
BCF BTFLAG2,1 ;8
GOTO TMR_END
LGT3
BSF CS74154
BANKSEL DIG3
MOVF DIG3,W
MOVWF DISPLAY
INCF SCFLAG,1
BCF LATB,4
BCF LATB,5
BCF LATC,6
BSF LATC,7
BCF CS74154
BSF BTFLAG,2
BTFSS PORTC,1
BCF BTFLAG,2
BSF BTFLAG2,2
BTFSS PORTC,3
BCF BTFLAG2,2
GOTO TMR_END
LGT4
BSF CS74154
BANKSEL DIG4
MOVF DIG4,W
MOVWF DISPLAY
INCF SCFLAG,1
BCF LATB,4
BCF LATB,5
BSF LATC,6
BSF LATC,7
BCF CS74154
BSF BTFLAG,3
BTFSS PORTC,1
BCF BTFLAG,3
BSF BTFLAG2,3
BTFSS PORTC,3
BCF BTFLAG2,3
GOTO TMR_END
LGT5
BSF CS74154
BANKSEL DIG5
MOVF DIG5,W
MOVWF DISPLAY
INCF SCFLAG,1
BCF LATB,4
BSF LATB,5
BCF LATC,6
BCF LATC,7
BCF CS74154
BSF BTFLAG,4
BTFSS PORTC,1
BCF BTFLAG,4
BSF BTFLAG2,4
BTFSS PORTC,3
BCF BTFLAG2,4

發表於: 2007/6/19 3:27
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