基于51單片機(jī)的多用太陽能手機(jī)充電器論文-資料下載頁
2025-06-20 12:49本頁面
【正文】 。乘以比例得出實際輸出電壓MOV B,AJNB OUT,NEXT2NEXT1：MOV A,PWMT DIV A BMOV B,LEDMUL A B 。A中為低電平周期MOV R1，AMOV A,0FFHCLR CSUBB A,R1INC AMOV PWM2L,AMOV PWM2H,0FFHMOV A,PWMTCLR CSUBB A,R1 。A中為高電平周期MOV R1，AMOV A,0FFHCLR CSUBB A,R1INC AMOV PWM1L,AMOV PWM1H,0FFHCLR 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，PWM2LMOV TH0，TESTH ；TO賦值MOV TL0，TESTLSETB TR0SETB TR1LJMP EDNEXT2：MOV A,PWMTMOV B,04HDIV A B 。A中為低電平周期MOV R1，AMOV A,0FFHCLR CSUBB A,R1INC AMOV PWM2L,AMOV PWM2H,0FFHMOV A,PWMTCLR CSUBB A,R1 。A中為高電平周期MOV R1，AMOV A,0FFHCLR CSUBB A,R1INC AMOV PWM1L,AMOV PWM1H,0FFHCLR 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，PWM2LMOV TH0，TESTH ；TO賦值MOV TL0，TESTLSETB TR0SETB TR1ED:AJMP EDPROJECT:CLR LJMP EDPWML:JB PWMF,PWMH 。PWM輸出未完成返回 CLR TR0MOV TH0，PWM2HMOV TL0，PWM2LSETB TR0SETB PWMFCLR 。PWM輸出低電平RETIPWMH:SETB CLR TR0MOV TH0，PWM1HMOV TL0，PWM1LSETB TR0 。PWM輸出高電平CLR PWMFRETITESTIN: SETB CLR CLR LCALL TESTRETTESTOUT: CLR TR1JNB TVI,STCBATEST1：LCALL TESTLCALL TESTJNB OUT,TEST2MOV A,TESTIINC AJZ PROTECTMOV DPTR,OTVIABMOV AA,LEDMOV A,@A+DPTRCLR CCJNE A,TESTV,DADALJMP RETURNDADA：JC XIAOMOV A,PWM2LADD A,01HMOV PWM2L,AMOV A,PWM1LSUBB A,01HMOV PWM1L,ALJMP RETURNXIAO: CLR C MOV A,PWM2LADD A,01HMOV PWM2L,AMOV A,PWM1LADD A,01H JNZ RETURNMOV PWM1L,ARETURN: MOV TH1，TESTH MOV TL1，TESTL SETB TR1 RETITEST2： MOV A,44H CJNE A,TESTV,DXID LJMP RETURNDXID: JC DXIX MOV DTPR,OTITAB MOV A,LED MOVC A,@A+DPTR JNB OUT,TEST2 CJNE A,TESTI,DADA 。橫流充電 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(zhuǎn)換子程序 SETB CLR SETB CLR JNB ,$ SETB TVI,MOVIMOVV: MOV TESTV,P0 SETB TVICLR MOV P0,0FFHRETMOVI: MOV TESTV,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,05H,KEY11 LJMP KEYWK1KEY11： INC A MOV LED,A LCALL DISPLAY LJMP KEYWK1KEYOK： LCALL DL10MS JB ,KEYWORK MOV LED,A JZ KEYWORK LJMP KEYWK1KEYOK1： LCALL DL10MS JB ,KEYWK1 MOV LED,A JZ KEYWK1 LJMP STARTDL10MS: MOV R5，07HDL0： MOV R6，0D0HDL1： MOV R7，19HDL2： DJNZ R7，DL2 DJNZ R6，DL1DJNZ R7，DL0RETDISPLAY: MOV DPTR,LEDTAB MOV A,LED MOVC A,@A+DPTR MOV SBUF,A RETLEDTAB: DB01H,04H,12H,06H,4CH,24H,20H,0FH,00H,04HOTVTAB: DB00H,11H,22H,33 H,44H,55H,66H,77H,88H,99HOTITAB: DB00H,33H,66H,99H,0CCH,0FFH
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