m3955.asm

MOTOR DRIVER M3955控制程序设计

 ;-------------------------------------------------------------
 ;TEST 3955(MOTOR DRIVER)
 ;EDITOR:ANTONYZHANG
 ;DATE:2005-7-6
 ;USE AB38  
 ;P1.0~P1.7  -LINK-->>>(PHASE1  D2  D1 D0) ( PHASE  D2 D1 D0 )
 ;P3.4---MLCC     P3.5----MLCC-1
 ;------------------------------------------------------------
                  ORG       00H
		  CLR       P3.4
                  CLR       P3.5                
MAIN:            
                  MOV       R6,#00H
LOOP:             MOV       DPTR,#MOTOR_TABLE1
                  MOV       A,R6
                  MOVC      A,@A+DPTR
                  MOV       P1,A
                  LCALL     DELAY
                  INC       R6
                  CJNE      R6,#16,LOOP
                  LJMP      MAIN
;--------------------------------------------
DELAY:    
                 
                  MOV       R1,#1
D1:               MOV       R0,#150
D2:               DJNZ      R0,D2
                  DJNZ      R1,D1		  
		  RET
;-------------------------------------------------------
MOTOR_TABLE1:
          DB  0E0H,0A8H,0CCH,8AH,1EH,9AH,0DCH,0B8H
	  DB  0F1H,0B9H,0DDH,9BH,0FH,8BH,0CDH,0A9H
MOTOR_TABLE:
          DB  0A9H,0CDH,8BH,0FH,9BH,0DDH,0B9H,0F1H
          DB  0B8H,0DCH,9AH,1EH,8AH,0CCH,0A8H,0E0H ;1/4	   
;-------------------------------------------------------
                  END