基于51單片機數(shù)字鐘設(shè)計(文件)
【正文】 MOV A,31HCJNE A,5DH,BUMOV A,32HCJNE A,5EH,BUAJMP XIANG//檢測獨立按鍵BU: JB T0,ZHU1 。日為32時，月進位日置1MOV 33H,01HAJMP MONTH0MONTH:CJNE A,31,MONTH1 。月進位ADD A,34HMOV 34H,ACJNE A,0DH,RETURN0MOV 34H,01HMOV A,01HADD A,35HMOV 35H,ACJNE A,100,RETURN0 。設(shè)置閃爍位MOV 37H,39HMOV 3DH,0FFH 。關(guān)閃爍MOV 3DH,00H 。修改位左移MOV A,37HCJNE A,11011111B,WSS1RL ARL ARL AMOV 37H,AS23:JNB INT1,S23AJMP WMWSS1:RL AMOV 37H,AS24:JNB INT1,S24AJMP WM//矩陣鍵盤檢測 修改萬年歷 WM1: MOV R7,0FHACALL JIANCEANJIANCJNE R7,0FH,WSJSZ1AJMP WMWSJSZ1:MOV A,37H 。界面轉(zhuǎn)換成鬧鐘設(shè)置界面MOV 39H,11011111BMOV 37H,39HMOV 3DH,0FFH 。修改位右移 同上 MOV A,37HCJNE A,11111110B,NSS0RR ARR ARR AMOV 37H,AS30:JNB INT0,S30AJMP NMNSS0:RR AMOV 37H,AS31:JNB INT0,S31AJMP NMNNM:AJMP NMNS2: JB INT1,NM1 。s19 鬧鐘開關(guān)MOV A,R1CPL AMOV R1,AXIA1:MOV A,R1JZ XIA2MOV 46H,0BHJMP XIA3XIA2:MOV 46H,0AHXIA3: JB T1,NS1 。低電位說明按鍵在該位JNB ,KEY20JNB ,KEY30JNB ,KEY40MOV DPTR,8000HMOV A,11111101BMOVX DPTR,AMOV DPTR,8000HMOVX A,DPTRJNB ,KEY50JNB ,KEY60JNB ,KEY70JNB ,KEY80MOV DPTR,8000HMOV A,11111011BMOVX DPTR,AMOV DPTR,8000HMOVX A,DPTRJNB ,KEY90JNB ,KEY00JNB ,TUIJNB ,KEY0C0RETKEY10:MOV R7,01HRETKEY20:MOV R7,02HRETKEY30:MOV R7,03HRETKEY40:MOV R7,04HRET KEY50:MOV R7,05HRETKEY60:MOV R7,06HRETKEY70:MOV R7,07HRETKEY80:MOV R7,08HRETKEY90:MOV R7,09HRETKEY00:MOV R7,00HRETTUI:MOV R7,0BHRETKEY0C0:MOV R7,0CHRET /****************************************************///鬧鈴響 XIANG:CLR //ACALL MDELAY//SETB JB T1,XIANG 。轉(zhuǎn)換成時間設(shè)置界面AJMP ZHUXUNHUANWS1: JB INT0,WS2 。校正 萬年歷JB T1,WS1 。界面顯示判斷//時間界面MOV A,21HMOV B,0AH DIV ABMOV 10H,BMOV 11H,AMOV A,22HMOV B,0AHDIV ABMOV 12H,BMOV 13H,AMOV A,23HMOV B,0AHDIV ABMOV 14H,BMOV 15H,AMOV 16H,0AHMOV 17H,0AHAJMP LIANG//萬年歷界面WANNIANLI:JNB ,SHEZHIMOV A,33HMOV B,0AH DIV ABMOV 10H,BMOV 11H,AMOV A,34HMOV B,0AHDIV ABMOV 12H,BMOV 13H,AMOV A,35HMOV B,0AHDIV ABMOV 14H,BMOV 15H,AMOV 16H,00HMOV 17H,02HAJMP LIANG//鬧鐘設(shè)置界面SHEZHI:MOV 10H,40HMOV 11H,41HMOV 12H,42HMOV 13H,43HMOV 14H,44HMOV 15H,45HMOV 16H,46HMOV 17H,47H//萬年歷設(shè)置WANNIANLISHEZHI:MOV 3AH,0FEH 。日為30時分辨2月 MOV A,34HCJNE A,02H,RETURN0MOV 33H,01HAJMP MONTH0MONTH29:CJNE A,29,RETURN0 。界面轉(zhuǎn)換標志取反即可使得時間和萬年歷界面相互轉(zhuǎn)換CPL AMOV 3AH,A//檢測矩陣鍵盤//檢測到按鍵1,2,3,4,5時進入對應(yīng)的鬧鐘設(shè)置界面 檢測到0BH（對應(yīng)s11）進入時間設(shè)置界面 檢測到0CH（對應(yīng)s12）進入萬年歷設(shè)置界面//若未檢測到按鍵 則跳回主程序繼續(xù)下一個檢測周期ZHU1:MOV R7,0FHACALL JIANCEANJIAN 。小時位的十位數(shù)編碼，該位如果為0則不顯示//鬧鐘檢測MOV A,0AHJZ NAO2 。DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H,0FFH 。EXIT: 如較少鍵按下直接清零秒選擇鍵功能標志為3，調(diào)秒，否則跳出CJNE R1,02H,NEXT4CJNE R1,01H,NEXT3CJNE R1,03H,EXITCJNE A,60H,EXITDA AMOV A,22H增加鍵鍵值CJNE R5,01H,EXITRET 輸出鍵值JNZ LOOP LCALL ADD_KEYSETB 46HCJNE R4,99H,LOOP3如果調(diào)秒時長按，則不處理LCALL DISPLAY LOOP:用于控制調(diào)時快進速度MOV R5,A JZ EXIT_KEY CPL A 無鍵按下則返回 P1口低3位連接3個按鍵，只判斷該3位 LCALL DELAYMOV P0,AMOV A,2AHSETB CLR MOVC A,A+DPTR顯示“”SETB CLR MOVC A,A+DPTR顯示分個位LCALL DELAYMOV P0,A顯示秒十位LCALL DELAYMOV P0,AMOV A,2FHMOV 2AH,0AH/*****數(shù)碼管動態(tài)掃描顯示*****/DISP:MOV 2BH,0AH JB 46H,DISPMOV 2BH,AMOV A,23H 使該位為10，查表得到使該位不顯示的輸出JB 48H,HOURCJNE R1,2,HOURSWAP A MOV A,22H MOV A,22H 使該位為10，查表得到使該位不顯示的輸出JB 48H,MINCJNE R1,3,MINSWAP A
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