;--------液晶LCD-162通信子程序及用法----------;----------------------------------------------DISPWLL CLRF RD MOVLW B'01000000' MOVWF TRISC MOVLW 0FFH MOVWF TRISD BCF RC,RS3 BSF RC,RW3 BSF RC,E MOVF RD,W MOVWF BUFFER BTFSC BUFFER,7 GOTO DISPWLL2 CLRWDT BCF RC,E BCF RC,RW3 BSF RC,E BCF RC,RS3 BCF RC,RW3 GOTO DISPWDISPWHL CLRF RD MOVLW B'01000000' MOVWF TRISC MOVLW 0FFH MOVWF TRISD BCF RC,RS3 BSF RC,RW3 BSF RC,E MOVF RD,W MOVWF BUFFER BTFSC BUFFER,7 GOTO DISPWHL2 CLRWDT BCF RC,E BCF RC,RW3 BSF RC,E BCF RC,RS3 BSF RC,RS3 BCF RC,RW3DISPW MOVLW 0 MOVWF TRISD BCF RC,RW3 BSF RC,E MOVF DATA3,W MOVWF RD BCF RC,E NOP BSF RC,RW3 BSF RC,E BCF RC,E RETLW 0;------------------------------;******************************; 实际用法;------------------------------; 芯片复位程序;------------------------------DISPSTART MOVLW B'00110000' MOVWF DATA3 CALL DISPWLL CALL DELAY MOVLW B'00110000' MOVWF DATA3 CALL DISPWLL CALL DELAY MOVLW B'00110000' MOVWF DATA3 CALL DISPWLL MOVLW B'00111000' MOVWF DATA3 CALL DISPWLL MOVLW B'00001000' MOVWF DATA3 CALL DISPWLL MOVLW B'00000001' MOVWF DATA3 CALL DISPWLL MOVLW B'00000111' MOVWF DATA3 CALL DISPWLL;------------------ CALL DISPS MOVLW B'00000001' MOVWF DATA3 CALL DISPWLL CALL WELCOME;---------------------------- DISPLAY SATUP; 显示模式设置;----------------------------DISPS MOVLW B'00111000' MOVWF DATA3 CALL DISPWLL MOVLW B'00001100' MOVWF DATA3 CALL DISPWLL MOVLW B'00000110' MOVWF DATA3 CALL DISPWLL RETLW 0;---------------------------- ; 显示'WELCOME'程序;------------------------------WELCOME MOVLW D'0' ; WELCOME TO USE MOVWF LBYTE MOVLW D'14' MOVWF COUNT9 MOVLW 0C3H MOVWF DATA3 CALL DISPWLL CALL CABIAO RETLW 0;------------------------CABIAO BSF STATUS,RP0 MOVLW 2FH MOVWF 81H BCF STATUS,RP0 MOVF LBYTE,W CALL TABLE0 MOVWF DATA3 CLRWDT CALL DISPWHL INCF LBYTE,1 DECFSZ COUNT9,1 GOTO CABIAO RETLW 0;-------------------------;****************************** ORG 0100H;******************************TABLE0 ADDWF PCL,1 RETLW 57H ;WELCOME TO USE RETLW 45H RETLW 4CH RETLW 43H RETLW 4FH RETLW 4DH RETLW 45H RETLW 20H RETLW 54H RETLW 4FH RETLW 20H RETLW 55H RETLW 53H RETLW 45H ;46;----------------------------- END
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