基于PIC單片機的數字可調穩壓電源(1.3-25v)PROTEUS仿真+源程序

ID:656668 · 發表于 2020-4-18 00:36

程序如下：
list    p=12c672          ; list directive to define processor
#include <p12c672.inc>       ; processor specific variable definitions
w_temp EQU 0x70
status_temp EQU 0x71
pclath_temp EQU 0x72
reg0 EQU 0x75
reg1 EQU 0x76
advalue EQU 0x77
advflag EQU 0x78
bank0 macro
bcf STATUS,5
endm
bank1 macro
bsf STATUS,5
endm
ORG 0x00
nop
nop
goto start
ORG    0x004

start
bank0
clrf GPIO
bcf INTCON,GIE
bank1
movlw 0xc0
movwf OPTION_REG
movlw 0x06
movwf ADCON1
movlw 0xc9
TRIS GPIO

movlw 0x00
movwf reg0
movlw 0x08
movwf reg1

bank0
movlw b'00110000'
iorwf GPIO,f
movlw 0xc1
movwf ADCON0

bsf ADCON0,GO
goto mainlp
mainlp
btfsc ADCON0,GO_DONE
goto $-1
movlw HIGH(tablev)
movwf PCLATH

clrf advflag
movlw 0xab
subwf ADRES,w
btfss STATUS,C
goto $+3
bsf advflag,1
goto gratethan20
movlw 0x56
subwf ADRES,w
btfsc STATUS,C
bsf advflag,0
gratethan20
movf ADRES,w

call tablev
movwf advalue
clrf PCLATH
bsf ADCON0,GO
call refreshled
goto mainlp
refreshled
movlw 0x0
btfss advflag,0
goto refreshled0
movlw b'01100000'
goto refreshled2
refreshled0
btfsc advflag,1
movlw b'11011010'
refreshled2
movwf reg0
mainlp0
bcf GPIO,1
rrf reg0
btfsc STATUS,C
goto $+3
bcf GPIO,2
goto $+2
bsf GPIO,2
bsf GPIO,1
decfsz reg1
goto mainlp0

;bcf INTCON,GIE
movlw b'11001111'
andwf GPIO,f
swapf advalue,w
andlw 0x0f
call tableseg
movwf reg0
bsf reg0,0
movlw 0x08
movwf reg1
movlw b'00110000'
iorwf GPIO,f
;bsf INTCON,GIE
mainlp1
bcf GPIO,1
rrf reg0
btfsc STATUS,C
goto $+3
bcf GPIO,2
goto $+2
bsf GPIO,2
bsf GPIO,1
decfsz reg1
goto mainlp1
;bcf INTCON,GIE
movlw b'11011111'
andwf GPIO,f
movf advalue,w
andlw 0x0f
call tableseg
movwf reg0
movlw 0x08
movwf reg1
movlw b'00110000'
iorwf GPIO,f
;bsf INTCON,GIE
mainlp2
bcf GPIO,1
rrf reg0
btfsc STATUS,C
goto $+3
bcf GPIO,2
goto $+2
bsf GPIO,2
bsf GPIO,1
decfsz reg1
goto mainlp2
;bcf INTCON,GIE
movlw b'11101111'
andwf GPIO,f
movlw 0x08
movwf reg1
nop
nop
nop
nop
movlw b'00110000'
iorwf GPIO,f
;bsf INTCON,GIE
return
;
;abcdefgp
tableseg
addwf PCL,f
retlw b'11111100' ;0
retlw b'01100000' ;1
retlw b'11011010' ;2
retlw b'11110010' ;3
retlw b'01100110' ;4
retlw b'10110110' ;5
retlw b'10111110' ;6
retlw b'11100100' ;7
retlw b'11111110' ;8
retlw b'11110110' ;9

ORG 0x100
tablev
addwf PCL,f
retlw 0x00
retlw 0x01
retlw 0x02
retlw 0x03
retlw 0x00
retlw 0x01
retlw 0x02
retlw 0x03
retlw 0x00
retlw 0x01
retlw 0x02
retlw 0x13
retlw 0x14
retlw 0x15
retlw 0x16
retlw 0x17
retlw 0x18
retlw 0x19
retlw 0x20
retlw 0x22
retlw 0x24
retlw 0x25
retlw 0x26
retlw 0x27
retlw 0x28
retlw 0x29
retlw 0x30
retlw 0x31
retlw 0x33
retlw 0x34
retlw 0x35
retlw 0x36
retlw 0x37
retlw 0x38
retlw 0x39
retlw 0x40
retlw 0x42
retlw 0x43
retlw 0x44
retlw 0x45
retlw 0x46
retlw 0x48
retlw 0x49
retlw 0x50
retlw 0x52
retlw 0x53
retlw 0x54
retlw 0x55
retlw 0x56
retlw 0x57
retlw 0x58
retlw 0x59
retlw 0x60
retlw 0x62
retlw 0x63
retlw 0x64
retlw 0x65
retlw 0x66
retlw 0x68
retlw 0x70
retlw 0x71
retlw 0x72
retlw 0x74
retlw 0x75
retlw 0x76
retlw 0x77
retlw 0x79
retlw 0x80
retlw 0x81
retlw 0x82
retlw 0x83
retlw 0x84
retlw 0x85
retlw 0x86
retlw 0x87
retlw 0x88
retlw 0x89
retlw 0x90
retlw 0x91
retlw 0x93
retlw 0x94
retlw 0x96
retlw 0x97
retlw 0x98
retlw 0x99
retlw 0x02
retlw 0x02
retlw 0x03
retlw 0x04
retlw 0x05
retlw 0x06
retlw 0x07
retlw 0x08
retlw 0x09
retlw 0x10
retlw 0x11
retlw 0x13
retlw 0x14
retlw 0x15
retlw 0x16
retlw 0x17
retlw 0x19
retlw 0x20
retlw 0x22
retlw 0x23
retlw 0x24
retlw 0x25
retlw 0x26
retlw 0x27
retlw 0x28
retlw 0x29
retlw 0x30
retlw 0x32
retlw 0x33
retlw 0x34
retlw 0x35
retlw 0x36
retlw 0x37
retlw 0x39
retlw 0x41
retlw 0x42
retlw 0x43
retlw 0x44
retlw 0x45
retlw 0x46
retlw 0x47
retlw 0x48
retlw 0x49
retlw 0x50
retlw 0x52
retlw 0x53
retlw 0x54
retlw 0x55
retlw 0x56
retlw 0x57
retlw 0x59
retlw 0x61
retlw 0x62
retlw 0x63
retlw 0x64
retlw 0x65
retlw 0x66
retlw 0x67
retlw 0x69
retlw 0x70
retlw 0x71
retlw 0x72
retlw 0x73
retlw 0x74
retlw 0x75
retlw 0x76
retlw 0x77
retlw 0x79
retlw 0x80
retlw 0x82
retlw 0x83
retlw 0x84
retlw 0x85
retlw 0x86
retlw 0x87
retlw 0x88
retlw 0x89
retlw 0x90
retlw 0x92
retlw 0x93
retlw 0x94
retlw 0x95
retlw 0x96
retlw 0x98
retlw 0x99
retlw 0x01
retlw 0x02
retlw 0x03
retlw 0x04
retlw 0x05
retlw 0x06
retlw 0x07
retlw 0x08
retlw 0x09
retlw 0x10
retlw 0x11
retlw 0x13
retlw 0x14
retlw 0x15
retlw 0x16
retlw 0x17
retlw 0x19
retlw 0x20
retlw 0x22
retlw 0x23
retlw 0x24
retlw 0x25
retlw 0x26
retlw 0x27
retlw 0x28
retlw 0x29
retlw 0x30
retlw 0x31
retlw 0x32
retlw 0x33
retlw 0x34
retlw 0x35
retlw 0x36
retlw 0x39
retlw 0x40
retlw 0x41
retlw 0x42
retlw 0x43
retlw 0x45
retlw 0x46
retlw 0x47
retlw 0x48
retlw 0x49
retlw 0x50
retlw 0x52
retlw 0x53
retlw 0x54
retlw 0x55
retlw 0x56
retlw 0x57
retlw 0x58
retlw 0x60
retlw 0x61
retlw 0x62
retlw 0x63
retlw 0x65
retlw 0x66
retlw 0x68
retlw 0x69
retlw 0x70
retlw 0x71
retlw 0x72
retlw 0x73
retlw 0x74
retlw 0x76
retlw 0x77
retlw 0x78
retlw 0x79
retlw 0x79
retlw 0x80
retlw 0x00
retlw 0x01
retlw 0x02
retlw 0x03
retlw 0x00
retlw 0x01
retlw 0x02
retlw 0x03
retlw 0x00
retlw 0x01
retlw 0x02
retlw 0x03
retlw 0x01
retlw 0x02
retlw 0x03
END