數(shù)字電流表的設(shè)計(jì)與仿真-畢業(yè)設(shè)計(jì)-(編輯修改稿)
2025-07-27 20:56 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 NYYY顯示量程3進(jìn)入量程3顯示量程2進(jìn)入量程2顯示量程1進(jìn)入量程1 開(kāi) 始n=1?n=2?n=3?判斷按鍵次數(shù)n=4 則n=1讀 鍵 值 N啟動(dòng)AD轉(zhuǎn)換數(shù)據(jù)處理，送數(shù)碼管顯示結(jié)束圖10軟件流程圖ORG 0000H SJMP START ORG 0080H LED0 EQU 40H LED1 EQU 41H LED2 EQU 42H LED3 EQU 43H 。存放四個(gè)數(shù)碼管的段碼 ADC EQU 45H 。存放轉(zhuǎn)AD換后的數(shù) STR BIT OE BIT EOC BIT START: MOV LED0,00H 。清零 MOV LED1,00H MOV LED2,00H MOV LED3,00H MOV P1,00H MOV P2,0F1H MOV P3,9FH MOV R1,00H MOV DPTR,TABLE 。送段碼首地址到DPTRWAIT: CLR STR SETB STR CLR STR 。產(chǎn)生下降沿啟動(dòng)AD轉(zhuǎn)換 JNB EOC,$ 。等待轉(zhuǎn)換結(jié)束 SETB OE 。 允許輸出轉(zhuǎn)換結(jié)果 MOV ADC,P0 。存儲(chǔ)轉(zhuǎn)換結(jié)果 CLR OE MOV A,ADC MOV R2,00H CLR C RLC A JNC GO MOV R2,01HGO: MOV B,51 。數(shù)據(jù)送顯示前的處理 DIV AB CJNE R2,01H,MEI ADD A,05HMEI: MOV LED2,A 。測(cè)量結(jié)果送到數(shù)碼管顯示 MOV A,B MOV B,5 DIV AB MOV LED1,A MOV LED0,B MOV A,LED2 CJNE A,10,WU AJMP NEXTWU: AJMP NEXT1NEXT: MOV LED0,00H MOV LED1,00H MOV LED2,00H MOV LED3,01HNEXT1: CJNE R1,03H,NEXT2 LCALL DISP3 JB ,WAIT LJMP KEYNEXT2: CJNE R1,02H,NEXT3 LCALL DISP2 JB ,WAIT LJMP KEYNEXT3: LCALL DISP1 JB ,WAIT LJMP KEY DISP1: MOV A,LED0 。顯示子程序 MOVC A,@A+DPTR CLR MOV P1,A LCALL DELAY SETB MOV A,LED1 MOVC A,@A+DPTR CLR MOV P1,A LCALL DELAY SETB MOV A,LED
環(huán)評(píng)公示相關(guān)推薦
鄂ICP備17016276號(hào)-1