基于單片機的多用太陽能手機充電器畢業設計論文(含ppt-資料下載頁

　　

【正文】 79H 。輸出電壓檢測緩沖 TESTI EQU 7AH 。輸出電流檢測緩沖 PWMT EQU 7BH 。PWM波周期 OUT BIT 02H 。功能選擇 TVI BIT 03H 。功能選擇 ORG 0100HMAIN: MOV A,00H MOV LED,A MOV P1,07FH CLR TESTV MOV PWMT,200 。PWM周期設為50us MOV TESTH,0FEH MOV TESTL,0CH LCALL DISPLAY LJMP KEYWORKSTART:LCALL TESTIN MOV A,TESTV MOV B,33H DIV AB JNZ NEXT MOV A,01HNEXT: MOV B,04H MUL AB 。乘以比例得出實際輸入電壓 MOV B,A JNB OUT,NEXT2NEXT1:MOV A,PWMT DIV AB MOV B,LED MUL AB 。A中為低電平周期 MOV R1,A MOV A,0FFH CLR C SUBB A,R1 INC A MOV PWM2L,A MOV PWM2H,0FFH MOV A,PWMT CLR C SUBB A,R1 。A中為高電平周期 MOV R1,A MOV A,0FFH CLR C SUBB A,R1 INC A MOV PWM1L,A MOV PWM1H,0FFH CLR CLR CLR MOV IE,8AH 。CPU開中斷 MOV TMOD,11H 。T模式1，定時，開始輸出 MOV TH1,PWM2H 。TO賦值 MOV TL1,PWM2L MOV TH0,TESTH 。T1賦值 MOV TL0,TESTL SETB TR0 SETB TR1 LJMP EDNEXT2:MOV A,PWMT MOV B,04H DIV AB 。A中為低電平周期 MOV R1,A MOV A,0FFH CLR C SUBB A,R1 INC A MOV PWM2L,A MOV PWM2H,0FFH MOV A,PWMT CLR C SUBB A,R1 。A中為高電平周期 MOV R1,A MOV A,0FFH CLR C SUBB A,R1 INC A MOV PWM1L,A MOV PWM1H,0FFH MOV IE,8BH 。CPU開中斷 MOV TMOD,11H 。T模式1，定時，開始輸出 MOV TH1,PWM2H 。TO賦值 MOV TL1,PWM2L MOV TH0,TESTH 。T1賦值 MOV TL0,TESTL SETB TR0 SETB TR1ED: AJMP EDPROTECT: CLR LJMP EDPWML: JB PWMF,PWMH 。PWM輸出未完成返回 CLR TR0 MOV TH0,PWM2H MOV TL0,PWM2L SETB TR0 SETB PWMF CLR 。PWM輸出低電平 RETIPWMH: SETB CLR TR0 MOV TH0,PWM1H MOV TL0,PWM1L SETB TR0 。PWM輸出高電平 CLR PWMF RETITESTIN: SETB CLR CLR LCALL TEST RETTESTOUT: CLR TR1 JNB TVI,STCBATEST1:LCALL TEST LCALL TEST JNB OUT,TEST2 MOV A,TESTI INC A JZ PROTECT MOV DPTR,OTVTAB MOV A,LED MOVC A,@A+DPTR CLR C CJNE A,TESTV,DADA LJMP RETURNDADA: JC XIAO MOV A,PWM2L ADD A,01H MOV PWM2L,A MOV A,PWM1L SUBB A,01H MOV PWM1L,A LJMP RETURNXIAO: CLR C MOV A,PWM2L SUBB A,01H MOV PWM2L,A MOV A,PWM1L ADD A,01H JNZ RETURN MOV PWM1L,ARETURN: MOV TH1,TESTH MOV TL1,TESTL SETB TR1 RETITEST2:MOV A,44H CJNE A,TESTV,DXID LJMP RETURNDXID: JC DXIX MOV DPTR,OTITAB MOV A,LED MOVC A,@A+DPTR JNB OUT,TEST2 CJNE A,TESTI,DADA 。恒流充電 LJMP RETURNDXIX: MOV A,47H CLR C CJNE A,TESTV,DADA 。恒壓充電 LJMP RETURNSTCBA:CLR SETB CLR LJMP TEST1TEST: CLR 。A/D轉換子程序 SETB CLR SETB CLR JNB ,$ SETB JNB TVI,MOVIMOVV: MOV TESTV,P0 SETB TVI CLR MOV P0,0FFH RETMOVI: MOV TESTI,P0 CLR TVI CLR MOV P0,0FFH RETKEYWORK: JNB ,KEY42 JNB ,KEY05 JNB ,KEYOK LJMP KEYWORKKEYWK1: JNB ,KEY0 JNB ,KEY1 JNB ,KEYOK1 LJMP KEYWK1KEY42:LCALL DL10MS JB ,KEYWORK CLR OUT LJMP KEYWK1KEY05:LCALL DL10MS JB ,KEYWORK SETB OUT LJMP KEYWK1KEY0: LCALL DL10MS JB ,KEYWK1 MOV A,LED JZ KEYWK1 DEC A MOV LED,A LCALL DISPLAY LJMP KEYWK1KEY1: LCALL DL10MS JB ,KEYWK1 MOV A,LED CJNE A,05H,KEY11 LJMP KEYWK1KEY11:INC A MOV LED,A LCALL DISPLAY LJMP KEYWK1KEYOK:LCALL DL10MS JB ,KEYWORK MOV A,LED JZ KEYWORK LJMP KEYWK1KEYOK1:LCALL DL10MS JB ,KEYWK1 MOV A,LED JZ KEYWK1 LJMP STARTDL10MS: MOV R5,07HDL0: MOV R6,0D0HDL1: MOV R7,19HDL2: DJNZ R7,DL2 DJNZ R6,DL1 DJNZ R5,DL0 RETDISPLAY: MOV DPTR,LEDTAB MOV A,LED MOVC A,@A+DPTR MOV SBUF,A RETLEDTAB: DB 01H,4FH,12H,06H,4CH,24H,20H,0FH,00H,04HOTVTAB: DB 00H,11H,22H,33H,44H,55H,66H,77H,88H,99HOTITAB: DB 00H,33H,66H,99H,0CCH,0FFH END