彩燈控制器的設(shè)計(jì)(24個(gè)led燈)-資料下載頁(yè)
2025-07-07 13:50本頁(yè)面
【正文】 CLR EA MOV SP,5FH MOV TMOD,01H MOV TH0,3CH MOV TL0,0B0H MOV TCNT,0 SETB ET0 SETB EA CLR DIRLOOP: JB ,LOOP1 。啟動(dòng) MOV R7,10 LCALL DELAY JB ,LOOP1 JNB ,$ SETB TR0 SJMP LOOPLOOP1: JB ,LOOP2 。停止 MOV R7,10 LCALL DELAY JB ,LOOP2 JNB ,$ MOV P0,0FFH MOV P2,0FFH MOV P3,0FFH CLR TR0 SJMP LOOPLOOP2: JB ,LOOP3 。正向 MOV R7,10 LCALL DELAY JB ,LOOP3 JNB ,$ CLR DIR SJMP LOOPLOOP3: JB ,LOOP 。反向 MOV R7,10 LCALL DELAY JB ,LOOP JNB ,$ SETB DIR SJMP LOOPDELAY: MOV R2,20DLY1: MOV R3,250 DJNZ R3,$ DJNZ R2,DLY1 DJNZ R7,DELAY RETT0ISR: PUSH ACC CLR TR0 MOV TH0,3CH MOV TL0,0B0H SETB TR0 MOV DPTR,LEDLP MOV A,TCNT MOVC A,@A+DPTR CPL A PUSH ACC MOV A,TCNT MOV B,8 DIV AB JNZ T0ISR1 POP ACC MOV P0,A MOV P2,0FFH MOV P3,0FFH SJMP T0ISRET0ISR1: DEC A JNZ T0ISR2 POP ACC MOV P2,A MOV P0,0FFH MOV P3,0FFH SJMP T0ISRET0ISR2: POP ACC MOV P3,A MOV P2,0FFH MOV P0,0FFHT0ISRE: JB DIR,T0ISR4 INC TCNT MOV A,TCNT CJNE A,24,T0ISR3T0ISR3: JC T0ISR6 MOV TCNT,0 SJMP T0ISR6T0ISR4: MOV A,TCNT JNZ T0ISR5 MOV TCNT,23 SJMP T0ISR6T0ISR5: DEC TCNTT0ISR6: POP ACC RETILEDLP: DB 01H,02H,04H,08H,10H,20H,40H,80H DB 01H,02H,04H,08H,10H,20H,40H,80H DB 01H,02H,04H,08H,10H,20H,40H,80H
教學(xué)教案相關(guān)推薦
鄂ICP備17016276號(hào)-1