128*64的驱动程序

最新推荐文章于 2022-04-16 13:15:05 发布

loveluguoguo

最新推荐文章于 2022-04-16 13:15:05 发布

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文章标签： c ejb delay

本文介绍了一个基于51单片机的LCD显示程序实现细节，包括程序的初始化过程、显示字符的方法及清屏操作等。通过具体代码展示了如何控制LCD进行文字输出，并解释了关键指令的作用。

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;************************
;************************
CS1 EQU P3.0
CS2 EQU P3.1
RS EQU P3.2
RW EQU P3.3
E   EQU P3.4
RST EQU P3.5
DATALCD EQU P2
BF BIT P2.7
X   EQU 30H
Y   EQU 31H
;********************
ORG 0000H
AJMP RESET
ORG 0030H
;********************
RESET:
MOV SP,#5FH
CLR RST ;清0复位
NOP
SETB RST
CLR   CS1
CLR   CS2
;*************************
;LCD初始化
;**********************
MOV DATALCD,#3FH;开显示
LCALL WRITEORDER;调用写指令子程序
MOV DATALCD,#0C0H;显示第一行
LCALL WRITEORDER
;**********************
LCALL CLSDISPLAY
CLR CS1
SETB CS2
LCALL DISPLAY
SETB CS1
CLR CS2
LCALL DISPLAY1
JMP $
;**************************
DISPLAY1:
MOV Y,#0
MOV X,#0
MOV 40H,#64
MOV DPTR,#TAB2
;---------------
DIS11:
MOV A,X
ORL A,#0B8H
MOV DATALCD,A
LCALL WRITEORDER
MOV DATALCD,#40H
LCALL WRITEORDER
DIS0:
MOV A,Y
MOVC A,@A+DPTR
MOV DATALCD,A
LCALL WRITEDATA
MOV A,Y
INC A
MOV Y,A
CJNE A,#0,D20
MOV Y,#0
MOV DPTR,#TAB3
JMP DIS6
D20:DJNZ 40H,DIS0
DIS6:MOV 40H,#64
INC X
MOV A,X
CJNE A,#8,DIS11
RET
;*************************
;JO F显示
DISPLAY:
MOV Y,#0
MOV X,#0
MOV 40H,#64
MOV DPTR,#TAB
;---------------
DIS1:
MOV A,X
ORL A,#0B8H
MOV DATALCD,A
LCALL WRITEORDER
MOV DATALCD,#40H
LCALL WRITEORDER
DIS:
MOV A,Y
MOVC A,@A+DPTR
MOV DATALCD,A
LCALL WRITEDATA
MOV A,Y
INC A
MOV Y,A
CJNE A,#0,D2
MOV Y,#0
MOV DPTR,#TAB1
JMP DIS5
D2:DJNZ 40H,DIS
DIS5:MOV 40H,#64
INC X
MOV A,X
CJNE A,#8,DIS1
RET

;*********************
;清屏
CLSDISPLAY:
MOV Y,#40H
MOV X,#00H
CLS:
MOV A,X
ORL A,#0B8H
MOV DATALCD,A
LCALL WRITEORDER
MOV DATALCD,Y
LCALL WRITEORDER
MOV R0,#64
CLS1:
MOV DATALCD,#00H
LCALL WRITEDATA
DJNZ R0,CLS1
INC X
MOV A,X
CJNE A,#08H,CLS
RET
;**********************
;写数据子程序
WRITEDATA:
SETB E
SETB RS
CLR RW
;LCALL CHECKBUSY
;MOV DATALCD,A
CLR E
RET
;***********************
;写指令子程序
WRITEORDER:
;LCALL CHECKBUSY;调用检查忙标志
SETB E
CLR RW
CLR RS
;MOV DATALCD,A
CLR E
RET
;*****************
;CHECK BUSY 标志子程序
CHECKBUSY:
SETB RW
CLR RS
BUSY:
MOV DATALCD,#0ffH
SETB E
CLR E
JB BF,BUSY
RET
;**********************
DELAY:
MOV R6,#100
DEL41: MOV R7,#200
DEL42: DJNZ R7,DEL42
DJNZ R6,DEL41
RET
;********************
TAB:
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,80H,80H;
DB 80H,80H,80H,80H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,80H,80H,80H,80H,80H;
DB 80H,80H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,01H;
DB 01H,03H,07H,0FH,1FH,1FH,1EH,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,0CH,0CH,0CH,0EH,0EH,0EH,0FH;
DB 0FH,0FH,07H,07H,07H,07H,03H,03H;
DB 03H,01H,01H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 80H,80H,80H,80H,0C0H,0C0H,0C0H,0C0H;
DB 0E0H,70H,0F0H,0F0H,0F0H,0F0H,0E0H,40H;
DB 00H,00H,00H,00H,00H,18H,38H,0F8H;
DB 0F8H,0F8H,18H,08H,08H,0CH,0CH,0CH;
DB 0CH,06H,06H,06H,06H,0EFH,0FFH,0FFH;
DB 3FH,1EH,0EH,0CH,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,03H,07H,07H,07H,07H;
DB 03H,03H,03H,01H,01H,01H,0C0H,0F0H;
DB 0F8H,0FEH,3FH,1FH,07H,03H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,01H;
DB 0FH,1FH,0CH,0CH,0EH,06H,06H,06H;
DB 06H,07H,07H,03H,03H,83H,83H,83H;
DB 81H,80H,0C0H,0C0H,0C0H,0C0H,0C0H,80H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
TAB1:
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 80H,0E0H,0F0H,78H,3EH,1FH,0FH,07H;
DB 0FFH,0FFH,02H,06H,0EH,1EH,1EH,1CH;
DB 00H,00H,0EH,7EH,0FCH,0FCH,0CCH,0CH;
DB 06H,06H,06H,06H,06H,06H,03H,0FFH;
DB 0FFH,0FFH,83H,83H,83H,81H,81H,81H;
DB 81H,01H,01H,01H,03H,0FFH,0FFH,0FFH;
DB 0FFH,07H,02H,00H,00H,00H,00H,00H;
DB 00H,40H,60H,30H,38H,1CH,0EH,07H;
DB 03H,01H,00H,00H,00H,00H,00H,0E0H;
DB 0FFH,0FFH,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,3FH,0FFH,0FFH,80H;
DB 00H,02H,02H,06H,06H,07H,03H,03H;
DB 0FFH,0FFH,03H,03H,03H,03H,01H,01H;
DB 01H,00H,00H,00H,0FEH,0FFH,0FFH,7FH;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,0FFH;
DB 0FFH,0FFH,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,1FH,0FFH,0FFH;
DB 0CH,0CH,0CH,0CH,0CH,0EH,06H,06H;
DB 07H,07H,06H,07H,07H,07H,07H,07H;
DB 1CH,38H,0FCH,0FFH,0FFH,3FH,0FH,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 01H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,01H,01H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;"福",0
TAB2:
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,80H,0C0H,0E0H,0E0H,0E0H;
DB 0E0H,0C0H,0C0H,0C0H,80H,80H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,20H,20H,20H;
DB 20H,20H,20H,30H,30H,30H,30H,0B8H;
DB 0B8H,0B8H,0B8H,0BCH,0BCH,9CH,9EH,1EH;
DB 1FH,1FH,9FH,0FH,0FH,0FH,1FH,3FH;
DB 0FFH,0E7H,0E7H,0E7H,0C7H,0C7H,87H,07H;
DB 02H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,04H,04H,0CH,1CH,0FCH;
DB 0F8H,0F8H,0FCH,0FCH,0FEH,0FFH,07H,01H;
DB 00H,00H,81H,8FH,9FH,0BFH,0BFH,0BFH;
DB 0BFH,0DFH,0C1H,0E0H,0F0H,0F0H,0F8H,0FCH;
DB 0FFH,0FFH,0DFH,0DFH,0CFH,0C7H,0C3H,0C0H;
DB 0C0H,0C0H,0C0H,0C0H,0C0H,0C0H,0C0H,0C0H;
DB 0C0H,0C0H,0C0H,0C0H,80H,80H,80H,00H;
DB 00H,80H,0E1H,0FFH,0FEH,0FCH,0F8H,0F0H;
DB 70H,38H,38H,1CH,1CH,0CH,0EH,0EH;
DB 0FH,0FH,8FH,8FH,8FH,8FH,0CFH,0C7H;
DB 0C7H,0C7H,0EFH,0FFH,0FFH,0FFH,0FFH,0FFH;
DB 0FBH,0F1H,0F1H,0F9H,0F9H,79H,79H,79H;
DB 79H,71H,71H,78H,58H,18H,18H,18H;
DB 18H,18H,1CH,1CH,1CH,1CH,1EH,1FH;
DB 1FH,1FH,1FH,1FH,1FH,1FH,1FH,1FH;
TAB3:
DB 0FH,3FH,3FH,1FH,07H,03H,01H,00H;
DB 00H,00H,00H,00H,83H,87H,87H,8FH;
DB 8FH,8FH,0CFH,0EFH,0F7H,0FFH,0FFH,0FFH;
DB 0FFH,0FFH,0FFH,0FFH,0EFH,67H,71H,71H;
DB 38H,38H,38H,1CH,0DCH,0FEH,0FEH,0FEH;
DB 0FEH,0FEH,0FEH,7CH,38H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,80H;
DB 0C0H,0C0H,0E0H,0F0H,0F0H,78H,7CH,3EH;
DB 1FH,1FH,0FH,07H,03H,01H,03H,03H;
DB 83H,83H,0C7H,0C6H,0EEH,0EEH,0FEH,0FCH;
DB 0FCH,0FCH,0FEH,0FFH,0FFH,0FFH,0FFH,0FFH;
DB 0CFH,0C3H,81H,80H,80H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,0CH,0FH,0FH;
DB 07H,07H,03H,03H,02H,02H,02H,06H;
DB 06H,06H,0EH,0EH,0FH,0FH,0FH,0FH;
DB 0FH,0FH,07H,07H,07H,07H,07H,03H;
DB 03H,03H,01H,01H,00H,01H,01H,03H;
DB 03H,07H,07H,0FH,0FH,1FH,1FH,3FH;
DB 3EH,3EH,7EH,7EH,7EH,7CH,7CH,7CH;
DB 0FCH,0FCH,0F8H,0F8H,0F8H,0F8H,0F0H,0F0H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;"爱",0