；航順8位單片機(jī)，錦銳CA51F551S1，可調(diào)光，調(diào)速，調(diào)燈組
LEDYS EQU 030H
LEDWTML EQU 0CEH
LEDWTMH EQU 0CEH
LEDAT1 EQU 0C7H
PWMEN EQU 090H
PWM2DIVL EQU 0ADH
PWM2DIVH EQU 0AEH
PWM2DUTL EQU 09FH
PWM2DUTH EQU 091H
PWM2CKD EQU 0B3H
PWM2CON EQU 0BBH
LEFLG EQU 0BFH
P34F EQU 0801CH
CKCON EQU 08030H
LEDUTL EQU 08060H
LEDUTH EQU 08061H
ORG 0000H
LJMP MAIN
ORG 0040H
MAIN: MOV A , #05H ;定義P3.4作為PWM信號(hào)輸出腳
MOV DPTR, #P34F
MOVX @DPTR,A
MOV A , #80H ;定義時(shí)鐘控制寄存器地址空間
MOV DPTR, #CKCON ;打開 IRCH 時(shí)鐘
MOVX @DPTR,A
MOV A , #00H
MOV DPTR, #LEDUTH ;設(shè)置位碼 1 時(shí)間
MOVX @DPTR,A
MOV A , #13H
MOV DPTR, #LEDUTL
MOVX @DPTR,A
MAIN1:
MOV PWM2CON,#58
MOV PWM2CKD,#0 ;設(shè)置預(yù)分頻系數(shù)，設(shè)置為 0 表示不分頻
MOV PWM2DIVH,#0 ;設(shè)置位周期時(shí)間
MOV PWM2DIVL,#20
MOV PWM2DUTH,#0 ;設(shè)置位碼 0 時(shí)間
MOV PWM2DUTL,#6
MOV LEDWTMH,#0 ;設(shè)置暫停時(shí)間
MOV LEDWTML,#50
MOV PWMEN,#4 ;PWM2 使能
SETB EA ;開總中斷
AA3: MOV LEDYS,#00H
ACALL TEST
AA2: MOV A,LEDYS
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV LEDAT1,A
AA1: MOV A,LEFLG
CJNE A,#40H,AA1
INC LEDYS
MOV A,LEDYS
CJNE A,#24,AA2 ;8個(gè)LED
MOV LEDYS,#00H
ACALL TEST
LJMP AA3
TEST: CLR P34F
MOV R6,#100
D7: MOV R7,#255
DJNZ R7,$
DJNZ R6,D7
RET
TEST1: CLR P34F
MOV R5,#255
D8: MOV R6,#255
D6: MOV R7,#255
DJNZ R7,$
DJNZ R6,D6
DJNZ R5,D8
RET
TAB: DB 40H,00H,00H, 00H,40H,00H, 00H,00H,40H, 40H,40H,00H, 40H,00H,40H, 00H,40H,40H, 40H,40H,40H, 40H,0F0H,0F0H
END
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