基于pic16f877的led旋轉(zhuǎn)時鐘單片機設(shè)計實驗報告-文庫吧資料
2025-06-24 15:54本頁面
【正文】 f tb2,1 swapf tb1,1 movf tb1,0 iorwf tb2,0 movwf W_Second return。div2 subwf tb2,1 btfss status,C goto point5 incf tb1,1 goto div2point5 movlw d39。 addwf tb2,1 swapf tb1,1 movf tb1,0 iorwf tb2,0 movwf W_Minute clrf tb1 movf W_Second,0 movwf tb2 movlw d39。div1 subwf tb2,1 btfss status,C goto point4 incf tb1,1 goto div1point4 movlw d39。 addwf tb2,1 swapf tb1,1 movf tb1,0 iorwf tb2,0 movwf W_Hour clrf tb1 movf W_Minute,0 movwf tb2 movlw d39。div subwf tb2,1 btfss status,C goto point3 incf tb1,1 goto divpoint3 movlw d39。tbcd clrf tb1 movf W_Hour,0 movwf tb2 movlw d39。***************************delay 。指針位置計數(shù)器加1 clrf jumpdec goto judge。 goto add。 call clearc。639。1039。***************是否顯示分針***************dec_min movf min,0 movwf minn addwf minn,1 movf minn,0 subwf counter,0 btfsc status,Z call drawmin clrf minn btfss jumpdec,1 goto dec_hour goto sd04 。 subwf counter,0 btfsc status,Z call draw1_2。 subwf counter,0 btfsc status,Z call draw1_1 movlw d39。 subwf counter,0 btfsc status,Z call draw1_0 movlw d39。 subwf counter,0 btfsc status,Z call drawgra movlw d39。 subwf counter,0 btfsc status,Z call drawgra movlw d39。 subwf counter,0 btfsc status,Z call draw9_6 movlw d39。 subwf counter,0 btfsc status,Z call draw9_5 movlw d39。 subwf counter,0 btfsc status,Z call draw9_4 movlw d39。 subwf counter,0 btfsc status,Z call draw9_3 movlw d39。 subwf counter,0 btfsc status,Z call draw9_2 movlw d39。 subwf counter,0 btfsc status,Z call draw9_1 movlw d39。 subwf counter,0 btfsc status,Z call draw9_0 movlw d39。 subwf counter,0 btfsc status,Z call drawgra movlw d39。 subwf counter,0 btfsc status,Z call drawgra movlw d39。 subwf counter,0 btfsc status,Z call draw6_4 movlw d39。 subwf counter,0 btfsc status,Z call draw6_3 movlw d39。 subwf counter,0 btfsc status,Z call draw6_2 movlw d39。 subwf counter,0 btfsc status,Z call draw6_1 movlw d39。 subwf counter,0 btfsc status,Z call draw6_0 movlw d39。 subwf counter,0 btfsc status,Z call drawgra movlw d39。 subwf counter,0 btfsc status,Z call drawgra movlw d39。 subwf counter,0 btfsc status,Z call draw3_6 movlw d39。 subwf counter,0 btfsc status,Z call draw3_5 movlw d39。 subwf counter,0 btfsc status,Z call draw3_4 movlw d39。 subwf counter,0 btfsc status,Z call draw3_3 movlw d39。 subwf counter,0 btfsc status,Z call draw3_2 movlw d39。 subwf counter,0 btfsc status,Z call draw3_1 movlw d39。 subwf counter,0 btfsc status,Z call draw3_0 movlw d39。 subwf counter,0 btfsc status,Z call drawgra movlw d39。 subwf counter,0 btfsc status,Z call drawgra movlw d39。 subwf counter,0 btfsc status,Z call draw2_3 movlw d39。 subwf counter,0 btfsc status,Z call draw2_2 movlw d39。 subwf counter,0 btfsc status,Z call draw2_1 movlw d39。 subwf counter,0 btfsc status,Z call draw2_0 movlw d39。***************是否顯示刻度*************** movlw d39。 subwf counter,0 btfsc status,Z goto rsrn 。清表盤 movlw d39。 subwf readn,0 btfsc status,Z call Get_DS1302 call bcdt decf readn,1 clrf counter。20圈讀一次時間 show movlw d39。2039。顯示時間。返回begin call tbcd。再次測開關(guān)sw1斷開否？是，跳過下條指令 goto check5 。測開關(guān)sw1斷開否？是，跳過下條指令 goto check5 。 subwf W_Second,0 。秒針加1 movlw d39。再次測開關(guān)sw1按下否？是，跳過下條指令 goto check4 。測開關(guān)sw1按下否？是，跳過下條指令 goto setW_Second 。返回setW_Second1 btfss porta,1 goto setW_Second1 call delay btfss porta,1 goto setW_Second1setW_Second btfss porta,1 。再次測開關(guān)sw1斷開否？是，跳過下條指令 goto check3 。測開關(guān)sw1斷開否？是，跳過下條指令 goto check3 。 subwf W_Minute,0 。分針加1 movlw d39。再次測開關(guān)sw1按下否？是，跳過下條指令 goto check2 。測開關(guān)sw1按下否？是，跳過下條指令 goto setW_Minute 。sw2松開否 goto setW_Minute1 call delay btfss porta,1 goto setW_Minute1setW_Minute btfss porta,1 。否！則循環(huán)檢測 goto setW_Hour 。否！則循環(huán)檢測 call delay btfss porta,0 ?？词欠竦扔?2 btfsc status,Z clrf W_Hour movf W_Hour,0 movwf portc check1 btfss porta,0 。1239。否！則循環(huán)檢測 incf W_Hour,1 。否！則循環(huán)檢測 call del
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