main.src

开关电源单片机编程开关电源单片机编程开关电源单片机编程

        CLR     FLAG_NTC
        CLR     FLAG_I_BIG
        OR      P2,#30H                 ;Turn off R_LED 
        AND     P2,#0DFH                ;Turn on G_LED 
        LD      CHARGE_I,CHARGE_I1      ;Charge Battery use float current(75mA)
        CALL    PWM_CON    
        CALL    PWM_CON  
        CALL    PWM_CON    
        CALL    PWM_CON   
        CALL    PWM_CON    
        CALL    PWM_CON  
        CALL    PWM_CON    
        CALL    PWM_CON            
        CP      FLAG_I_BIG,#01H
        JP      EQ,I_BIG_FAIL
        LD      VOLTAGE_NTC,V_NTC80_75mA       
        CALL    NTC_CHECK               ;Check whether the Battery temperature higher than 80C
        CP      FLAG_NTC,#01H           ;
        JP      EQ,PROTECT_NTC          ;If T_bat>80C,Jamp to PROTECT_NTC
        CP      FLAG_BAT_CON,#01H       ;Check whether the Battery is connected
        JP      EQ,MAIN                 ;If the Battery is disconnected, Go to INIT_SYS
        ADC5_CHOICE                     ;Select ADC5 to detect the charge voltage
        CALL    AD_CONV                 ;Read the Voltage
        CP      R2,VO_H_BATTERY         ;Check whether the battery voltage is higher than 10V 
        JP      UGT,BAT_FALL_10V        ;If Vo>10V, Jamp to BAT_NTC_FALL
        CP      R2,VO_L_BATTERY         ;Check whether the battery voltage is lower than 2V
        JP      ULT,BAT_FALL            ;If Vo<2V,Jamp to BAT_NTC_FALL        
        JP      FLOAT_CHARGE1            ;Go on control the charge current is 75mA          
        
PROTECT_NTC:                            ;
        STOP_TIMER0                     ;TIMER0 stop    
          
        ADC5_CHOICE                     ;Select ADC5 to detect the charge voltage
        CALL    AD_CONV                 ;Read the Voltage
        CP      R2,VO_L_BATTERY_B       ;Check whether the battery voltage is lower than 2V
        JP      UGE,NTC_FAIL            ;If Vo<2V,Jamp to BAT_NTC_FALL    
        CALL    DELAY20mS 
        ADC5_CHOICE                     ;Select ADC5 to detect the charge voltage
        CALL    AD_CONV                 ;Read the Voltage
        CP      R2,VO_L_BATTERY_B       ;Check whether the battery voltage is lower than 2V
        JP      UGE,NTC_FAIL            ;If Vo<2V,Jamp to BAT_NTC_FALL  
        CALL    DELAY200mS
        ADC5_CHOICE                     ;Select ADC5 to detect the charge voltage
        CALL    AD_CONV                 ;Read the Voltage
        CP      R2,VO_L_BATTERY_B       ;Check whether the battery voltage is lower than 2V
        JP      ULT,BAT_NTC_FALL        ;If Vo<2V,Jamp to BAT_NTC_FALL         
NTC_FAIL:                               ;The battery temperature is higher than 80C
        OR      P2,#08H                 ;If the tempariture of NTC > 80,turn off MOSFET 
        AND     P2,#0CFH                ;Turn LED_R & LED_G off
        LD      KIND_TIMER0,#01H        ;Setup LED_R & LED_G blink
        LD      DATA_PWM,#00H           ;Stop charging
        LD      DATA_PWMEX,#00H 
        CONTROL_PWM                     ;CONTROL PWM output            
BLINK1_RG:        
        LD      COUNTER0,#0AH           ;setup COUNTER=0.5S
        LD      COUNTER1,#01H
        LD      COUNTER2,#01H        
        CLR     FLAG_TIMER0             ;Clear FLAG_TIMER0
        STATR_TIMER0                    ;Run TIMER0
        
BAT_CHECK1:
        LD      BTCON,#02H              ;Clear Basic timer counter 
        CP      FLAG_TIMER0,#00H        ;Check whether the timer0 is overflow        
        JP      EQ,BAT_CHECK1_1         
        LD      COUNTER0,#0AH           ;setup COUNTER=0.5S
        LD      COUNTER1,#01H
        LD      COUNTER2,#01H        
        CLR     FLAG_TIMER0             ;Clear FLAG_TIMER0
        STATR_TIMER0                    ;Run TIMER0               
BAT_CHECK1_1:
        ADC7_CHOICE                     ;Select ADC7 to Check whether battery is disconnected
        CALL    AD_CONV                 ;read the Voltage of the NTC
        CP      R2,VOLTAGE_NTC0         ;Check whether battery is disconnected
        JP      ULE,BAT_CHECK1          ;If higher than 0C, battery disconnected 
        CALL    DELAY20mS               ;Delay 200mS & Check again
        ADC7_CHOICE                     ;Select ADC7 to Check whether battery is disconnected
        CALL    AD_CONV                 ;read the Voltage of the NTC
        CP      R2,VOLTAGE_NTC0         ;Check whether battery is disconnected
        JP      ULE,BAT_CHECK1          ;If higher than 0C, battery disconnected 
        CALL    DELAY200mS              ;Delay 200mS & Check again
        ADC7_CHOICE                     ;Select ADC7 to Check whether battery is disconnected
        CALL    AD_CONV                 ;read the Voltage of the NTC
        CP      R2,VOLTAGE_NTC0         ;Check whether battery is disconnected
        JP      ULT,BAT_CHECK1          ;If higher than 0C, battery disconnected 
           
BAT_DISCONNECT:
        JP      MAIN                    ;If Battery is disconnected,Jamp to INIT_SYS 
                
BAT_NTC_FALL:                           ;T_bat>80C & V_bat>10V or V_bat<2V
        OR      P2,#08H                 ;If the tempariture of NTC > 80,turn off MOSFET 
        OR      P2,#30H                 ;Turn LED_G off
        AND     P2,#0EFH                ;Turn LED_R on
        LD      KIND_TIMER0,#02H        ;LED_G blink
        LD      DATA_PWM,#00H           ;Stop charging
        LD      DATA_PWMEX,#00H 
        CONTROL_PWM                     ;CONTROL PWM output 
        JP      BLINK1_RG               ;LED_G blink
          
BAT_FALL:                               ;V_bat<2V   
        
        STOP_TIMER0                     ;TIMER0 stop
        OR      P2,#30H               
        AND     P2,#0CFH                ;Turn LED_G & LED_R on
        OR      P2,#08H                 ;If Battery is Open or Short,turn off MOSFET 
        CLR     FLAG_TIMER0
        LD      DATA_PWM,#00H           ;Stop charging
        LD      DATA_PWMEX,#00H 
        CONTROL_PWM                     ;CONTROL PWM output 
        JP      BAT_CHECK1              ;Goto check whecher Battery connect
        
BAT_FALL_10V:                           ;V_bat>10V 
        CALL    DELAY20mS
        ADC7_CHOICE                     ;Select ADC7 to Check whether battery is disconnected
        CALL    AD_CONV                 ;read the Voltage of the NTC
        CP      R2,VOLTAGE_NTC0         ;Check whether battery is disconnected
        JP      UGT,MAIN                ;If higher than 0C, battery disconnected 
        CALL    DELAY200mS
        ADC7_CHOICE                     ;Select ADC7 to Check whether battery is disconnected
        CALL    AD_CONV                 ;read the Voltage of the NTC
        CP      R2,VOLTAGE_NTC0         ;Check whether battery is disconnected
        JP      UGT,MAIN                ;If higher than 0C, battery disconnected 
        
        STOP_TIMER0                     ;TIMER0 stop
        OR      P2,#30H               
        AND     P2,#0CFH                ;Turn LED_G & LED_R on
        OR      P2,#08H                 ;If Battery is Open or Short,turn off MOSFET 
        CLR     FLAG_TIMER0
        LD      DATA_PWM,#00H           ;Stop charging
        LD      DATA_PWMEX,#00H 
        CONTROL_PWM                     ;CONTROL PWM output 
        
        LD      R8,#0C8H
BAT_DOWN:
        LD      BTCON,#02H              ;Clear Basic timer counter 
        ADC7_CHOICE                     ;Select ADC7 to Check whether battery is disconnected
        CALL    AD_CONV                 ;read the Voltage of the NTC
        CP      R2,VOLTAGE_NTC0         ;Check whether battery is disconnected
        JP      UGT,MAIN                ;If higher than 0C, battery disconnected   
        ADC5_CHOICE                     ;Select ADC5 to detect the charge voltage
        CALL    AD_CONV                 ;Read the Voltage
        CP      R2,VO_4V_BATTERY        ;Check whether the battery voltage is lower than 2V
        JP      ULT,BAT_CHECK_10V       ;If Vo<2V,Jamp to BAT_NTC_FALL 
        CALL    DELAY500mS
        DEC     R8
        JP      NZ,BAT_DOWN          
        
BAT_CHECK_10V:
        LD      BTCON,#02H              ;Clear Basic timer counter 
        ADC7_CHOICE                     ;Select ADC7 to Check whether battery is disconnected
        CALL    AD_CONV                 ;read the Voltage of the NTC
        CP      R2,VOLTAGE_NTC0         ;Check whether battery is disconnected
        JP      UGT,MAIN                ;If higher than 0C, battery disconnected 
        ADC5_CHOICE                     ;Select ADC5 to detect the charge voltage
        CALL    AD_CONV                 ;Read the Voltage
        CP      R2,VO_5V_BATTERY         ;Check whether the battery voltage is lower than 2V
        JP      ULT,BAT_CHECK_10V       ;If Vo<2V,Jamp to BAT_NTC_FALL   
        CP      R2,VO_8V_BATTERY         ;Check whether the battery voltage is higher than 10V 
        JP      UGT,BAT_CHECK_10V       ;If Vo>10V, Jamp to BAT_NTC_FALL     
        JP      MAIN        

I_BIG_FAIL:
        STOP_TIMER0                     ;TIMER0 stop
        OR      P2,#30H                 ;Turn off LED_G & LED_R              
        AND     P2,#0DFH                ;Turn on G_LED 
        OR      P2,#08H                 ;If Battery is Open or Short,turn off MOSFET 
        CLR     FLAG_TIMER0
        CLR     FLAG_I_BIG
        LD      DATA_PWM,#00H           ;Stop charging
        LD      DATA_PWMEX,#00H 
        CONTROL_PWM                     ;CONTROL PWM output 
        JP      BAT_CHECK1              ;Goto check whecher Battery connect
                
HERE:   LD      BTCON,#02H              ;Clear Basic timer counter 
        JP      HERE 
;/*----------------------------Control the output current-----------------------------------------*/
PWM_CON_0:                              ;Control the output current
        LD      BTCON,#02H              ;Clear Basic timer counter 
        ADC8_CHOICE                     ;select ADC8 to detect the charge current
        CALL    AD_CONV                 ;read the value of charge current 
        CP      R2,CHARGE_I_2       ;Check whether the charge current is bigger than 770mA
        JP      UGT,PWM_DEC_0           ;If Io>770mA, reduce the charge current
        CP      R2,CHARGE_I_1       ;Check whether the charge current is lower than 730mA
        JP      ULT,PWM_INC_0           ;If Io<730mA, increase the charge current
        RET 
PWM_DEC_0:
        CP      DATA_PWM,#00H           ;Check whether DATA_PWM=0
        JP      NE,PWM_DEC_0_1           ;If DATA_PWM=0, Check whether the charge current is bigger than 800mA
        RET                              ;If not, go on control PWM
PWM_DEC_0_1:        
        SUB     DATA_PWM,#01H           ;If DATA_PWM!=0, reduce the charge current 
        CONTROL_PWM                     ;CONTROL PWM output
        JP      PWM_CON_0               ;Go on control PWM
PWM_INC_0:
        CP      DATA_PWM,#3FH           ;Check whether DATA_PWM=0FFH
        JP      NE,PWM_INC_0_1           ;If DATA_PWM=0ffH, keep on the output current 
        RET
PWM_INC_0_1:                
        ADD     DATA_PWM,#01H           ;If DATA_PWM!=0ffH, increase the charge current 
        CONTROL_PWM                     ;CONTROL PWM output
        JP      PWM_CON_0  
;/*----------------------------Control the output current-----------------------------------------*/        
PWM_CON:                                ;Control the output current
        ADC8_CHOICE                     ;select ADC8 to detect the charge current
        CALL    AD_CONV                 ;read the value of charge current 
        CP      R2,CHARGE_I             ;Check whether the charge current is the bulk current
        JP      UGT,PWM_DEC             ;If Io>Ibulk, reduce the charge current
        JP      ULT,PWM_INC             ;If Io<Ibulk, increase the charge current
        RET
PWM_DEC:CP      DATA_PWM,#00H           ;Check whether DATA_PWM=0
        JP      NE,PWM_DEC1             ;If DATA_PWM=0, keep on the output current
        CP      DATA_PWMEX,#00H
        JP      NE,PWM_DEC1 
        ADC8_CHOICE                     ;select ADC8 to detect the charge current
        CALL    AD_CONV                 ;read the value of charge current 
        CP      R2,CHARGE_I_800mA       ;Check whether the charge current is the bulk current
        JP      UGE,SET_FLAG_I
        RET
SET_FLAG_I:
        LD      FLAG_I_BIG,#01H
        RET
PWM_DEC1:
        CP      DATA_PWMEX,#00H
        JP      EQ,PWM_DEC1_1
        SUB     DATA_PWMEX,#04H
        CONTROL_PWM
        RET 
PWM_DEC1_1:         
        SUB     DATA_PWM,#01H           ;If DATA_PWM!=0, reduce the charge current 
        LD      DATA_PWMEX,#0FCH
        CONTROL_PWM                     ;CONTROL PWM output
        RET
PWM_INC:
        CP      DATA_PWM,#3FH          ;Check whether DATA_PWM=0FFH
        JP      NE,PWM_INC1             ;If DATA_PWM=0ffH, keep on the output current 
        CP      DATA_PWMEX,#0FCH
        JP      NE,PWM_INC1 
        LD      FLAG_I_BIG,#01H
        RET
PWM_INC1:
        CP      DATA_PWMEX,#0FCH