51内核单片机填表法驱动WS2812 -

标题: 51内核单片机填表法驱动WS2812 [打印本页]

作者: liu2454004961 时间: 2024-2-2 22:08
标题: 51内核单片机填表法驱动WS2812
；航顺8位单片机，锦锐CA51F551S1，可调光，调速，调灯组
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             ;定义P3.4作为PWM信号输出脚
            MOV    DPTR, #P34F
            MOVX @DPTR,A
            MOV A , #80H             ;定义时钟控制寄存器地址空间
            MOV    DPTR, #CKCON       ;打开 IRCH 时钟
            MOVX @DPTR,A
            MOV A , #00H
            MOV    DPTR, #LEDUTH       ;设置位码 1 时间
            MOVX @DPTR,A
            MOV A , #13H
            MOV    DPTR, #LEDUTL
            MOVX @DPTR,A
MAIN1:
            MOV PWM2CON,#58
            MOV PWM2CKD,#0       ;设置预分频系数，设置为 0 表示不分频

      MOV PWM2DIVH,#0       ;设置位周期时间
      MOV PWM2DIVL,#20

      MOV PWM2DUTH,#0       ;设置位码 0 时间
      MOV PWM2DUTL,#6

      MOV LEDWTMH,#0       ;设置暂停时间
      MOV LEDWTML,#50

      MOV PWMEN,#4          ;PWM2 使能

            SETB EA          ;开总中断

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个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

7faf3ecc827bfd00a6436fd6db3b8a0.jpg (729.58 KB, 下载次数: 72)

CA51F55S1驱动WS2812

6b0b829772ef3648f7020e528bee955.jpg (123.56 KB, 下载次数: 70)

走马显示效果

0181f34ed21a10a12ef03ae8235921e.jpg (78.03 KB, 下载次数: 71)

走马显示效果

走马灯.rar

1.01 MB, 下载次数: 7, 下载积分: 黑币 -5

走马灯视频

欢迎光临 (http://www.51hei.com/bbs/)