MOV A,00110010B ;SETP 1
MOV DATA,A ;FUNCTION SET
CALL TRANSFER ;
MOV A,00001100B ;STEP 2
MOV DATA,A ;DISPLAY TURN ON
CALL TRANSFER ;
MOV A,00000001B ;STEP 3
MOV DATA,A ;DISPLAY CLEAN
CALL TRANSFER ;
CALL DELAY ;DELAY SOME TIME
MOV A,00000110B ;STEP 4
MOV DATA,A ;ENTRY MODE SET
CALL TRANSFER ;
RET
LCD_RESET ENDP
;------------------------------------------------------------
LCD_DISPLAY PROC
MOV A,10000000B ;STEP 1
MOV DATA,A ;DD RAM ADDRESS SET
CALL TRANSFER ;FIRST LINE
MOV A,10H ;STEP 2-1
MOV COUNTER,A ;WRITE DATA TO DD RAM
FIRST_LINE:
CLR LCD_CTRL.RS
MOV A,00011100B ;STEP 2-2
MOV DATA,A ;DISPLAY/CURSOR
CALL TRANSFER ;SHIFT
SET LCD_CTRL.RS
TABRDL DATA
CALL TRANSFER
CALL DELAY
INC TBLP
SDZ COUNTER
JMP FIRST_LINE
CLR LCD_CTRL.RS
MOV A,11000000B ;STEP 3
MOV DATA,A ;DD RAM ADDRESS SET
CALL TRANSFER ;SECOND LINE
MOV A,10H ;STEP 4-1
MOV COUNTER,A ;WRITE DATA TO DD RAM
SECOND_LINE:
CLR LCD_CTRL.RS
MOV A,00011000B ;STEP 4-2
MOV DATA,A ;DISPLAY/CURSOR
CALL TRANSFER ;SHIFT
SET LCD_CTRL.RS
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本文关键字：程序 合泰单片机，单片机-工控设备 - 合泰单片机
