?? lcd128.asm

?? LCD12864的驅(qū)動程序
?? ASM
字號:
;E     BIT    P1.2    ;并行使能信號
;R_W   BIT    P1.1    ;并行讀寫信號
;RS    BIT    P1.0    ;并行指令/數(shù)據(jù)選擇信號
RE_T  BIT    P2.0
PSB   BIT    P2.2    ;串/并行口選擇，H-并；L-串
;端口(引腳)定義
 LCD_CS   BIT  P2.5  ;LCD片選端
 LCD_SID  BIT  P2.4 ;LCD串行數(shù)據(jù)輸入輸出端
 LCD_CLK  BIT  P2.3 ;LCD串行時(shí)鐘端
 LCD_X EQU 34H
LCD_Y EQU 35H
COUNT EQU 36H
COUNT1 EQU 37H
COUNT2 EQU 38H
COUNT3 EQU 39H


LCD_COM  DATA  30H  ;LCD指令緩沖區(qū)
 LCD_WDAT  DATA  31H  ;寫入LCD數(shù)據(jù)緩沖區(qū)
 LCD_RIDAT  DATA  32H ;讀取LCD指令
 LCD_RDDAT  DATA  33H ;讀取LCD顯示數(shù)據(jù)
      ORG 0000H
      AJMP MAIN
      ORG 0100H
MAIN:
      ;MOV  P1,#00H
      clr  re_t
      SETB  RE_T
      CLR  PSB

      ACALL LCD_INIT
      MOV DPTR,#TU_TAB1 ;顯示圖形
      ACALL PHO_DISP
      ;MOV   LCD_COM,#80h
      ;ACALL LCD_WRI
      ;MOV   LCD_WDAT,#06H
      ; mov  a,#00h
      ; MOV  R1,#00H
      ; mov  r0,#16
      ; mov  dptr,#table
;MAIN1: movc a,@a+dptr
       ;MOV   LCD_WDAT,A
      ; ACALL LCD_WRD
       ;INC   R1
     ;  MOV   A,R1
      ; DJNZ  R0,MAIN1
main2:
      AJMP MAIN2
;table: db "YM12864R造字演示YM12864R造字演示"
;==========================================================;
;液晶初始化子程序
;==========================================================;
LCD_INIT:
 MOV LCD_COM,#34H ;34H--擴(kuò)充指令操作
 LCALL LCD_WRI

 ;MOV  LCD_COM,#30H  ;功能設(shè)置,基本指令集
 ;CALL  LCD_WRI    ;調(diào)用寫指令子程序
 MOV  LCD_COM,#0CH  ;顯示開,光標(biāo)關(guān),反白關(guān)
 CALL  LCD_WRI
 MOV  LCD_COM,#01H ;清屏并將DDRAM的地址計(jì)數(shù)器(AC)歸零
 CALL  LCD_WRI
 MOV  LCD_COM,#06H  ;光標(biāo)向右移動,AC+1
 CALL  LCD_WRI
 RET
;==========================================================;
;MCU寫指令到LCD子程序 (RS=0、RW=0)
;名稱:LCD_WRI
;描述:發(fā)送1個(gè)字節(jié)的指令給LCD
;指令字節(jié)地址在:LCD_COM
;==========================================================;
LCD_WRI:
 CALL  LCD_RRI  ;讀取忙碌標(biāo)志BF
 MOV  A,LCD_RIDAT
 JB  ACC.7,LCD_WRI ;不忙則繼續(xù)
 CLR  LCD_CS
 MOV  A,#11111000B ;
 SETB  LCD_CS   ;將片選拉高
 CALL  LCD_SEND
;--------------------------------------
 MOV  A,LCD_COM
 ANL  A,#0F0H  ;低4位清0傳送高4位
 CALL  LCD_SEND
;--------------------------------------
 MOV  A,LCD_COM
 SWAP  A   ;高低半字節(jié)交換
 ANL  A,#0F0H  ;低4位清0傳送低4位
 CALL  LCD_SEND
 CLR  LCD_CS   ;將CS清0完成傳送
 RET
;==========================================================;
;MCU寫數(shù)據(jù)到LCD (RS=1 RW=0)
;名稱:LCD_WRD
;描述:發(fā)送1個(gè)字節(jié)的數(shù)據(jù)給LCD
;數(shù)據(jù)入口:LCD_WDAT
;==========================================================;
LCD_WRD:
 CLR  LCD_CS  ;
 CALL  LCD_RRI  ;讀取忙碌標(biāo)志BF
 MOV  A,LCD_RIDAT  ;調(diào)用讀LCD指令子程序
 JB  ACC.7,LCD_WRD  ;BF=1則忙,BF=0空閑,空閑時(shí)執(zhí)行下面的指令

 MOV  A,#11111010B
 SETB  LCD_CS
 CALL LCD_SEND
;--------------------------------------
 MOV  A,LCD_WDAT ;要發(fā)送的數(shù)據(jù)給A
 ANL  A,#0F0H  ;屏蔽低4位傳送數(shù)據(jù)高4位
 CALL  LCD_SEND
;--------------------------------------
 MOV  A,LCD_WDAT
 SWAP  A
 ANL  A,#0F0H  ;傳送數(shù)據(jù)低4位
 CALL  LCD_SEND
 CLR  LCD_CS  ;完成傳送
 RET

;==========================================================;
;讀LCD(BF)(AC)指令到MCU (RS=0 RW=1)
;名稱:LCD_RRI
;描述:從LCD中讀BF忙碌標(biāo)志和AC計(jì)數(shù)器地址.
;接收的指令數(shù)據(jù)在LCD_RDAT中.
;==========================================================;
LCD_RRI:
 CLR  LCD_CS
 MOV  A,#11111100B  ;讀取LCD忙碌標(biāo)志
 SETB  LCD_CS   ;片選置1(LCD數(shù)據(jù)傳送有效)
 CALL LCD_SEND
 CALL LCD_RECEIVE
 MOV  LCD_RIDAT,A  ;接收高4位數(shù)據(jù)
;--------------------------------------
 CALL  LCD_RECEIVE ;接收低4位數(shù)據(jù)
 CLR  LCD_CS
 ANL  A,#0F0H  ;屏蔽低4位
 SWAP  A  ;取低4位
 ANL  LCD_RIDAT,#0F0H ;取高4位
 ORL  LCD_RIDAT,A  ;組合成完整的數(shù)據(jù)
 RET
;==========================================================;
;讀LCD的顯示數(shù)據(jù)到MCU (RS=1 RW=1)
;名稱:LCD_RRD
;描述:
;接收的顯示數(shù)據(jù)在--中
;==========================================================;
LCD_RRD:
 CLR  LCD_CS
 MOV  A,#11111110B
 SETB  LCD_CS   ;片選端置1
 CALL  LCD_SEND
;-------------------------------------------
 CALL  LCD_RECEIVE ;接收高4位
 MOV  LCD_RDDAT,A
;-------------------------------------------
 CALL LCD_RECEIVE ;接收低4位
 CLR  LCD_CS
 ANL  A,#0F0H
 SWAP  A
 ANL  LCD_RDDAT,#0F0H
 ORL  LCD_RDDAT,A  ;組合成完整的數(shù)據(jù)
 RET
;==========================================================;
;LCD發(fā)送8BIT的數(shù)據(jù)(1個(gè)字節(jié))
;==========================================================;
LCD_SEND:
 MOV  R2,#8   ;發(fā)送8位(BIT)數(shù)據(jù)
LCD_SEND1:
 CLR  LCD_CLK  ;時(shí)鐘端置1
 RLC  A  ;ACC.7給C
 MOV  LCD_SID,C  ;C給串行數(shù)據(jù)端
 SETB LCD_CLK  ;時(shí)鐘端清0
 DJNZ  R2,LCD_SEND1 ;未完繼續(xù)
 RET
;==========================================================;
;LCD接收8BIT數(shù)據(jù)(1個(gè)字節(jié))
;==========================================================;
LCD_RECEIVE:
 MOV  R2,#8
LCD_RECEIVE1:
 CLR  LCD_CLK  ;時(shí)鐘端置1
 NOP
 NOP
 SETB  LCD_CLK
 MOV  C,LCD_SID
 RLC  A
 DJNZ  R2,LCD_RECEIVE1
 RET
;===============================================
;全屏顯示圖形子程序
;===============================================
PHO_DISP:
MOV COUNT3,#02H
MOV LCD_X,#80H
PHO_DISP1:
MOV LCD_Y,#80H
MOV COUNT2,#20H
PHO_DISP2:
MOV COUNT1,#10H
LCALL WR_ZB
PHO_DISP3:
CLR A
MOVC A,@A+DPTR
MOV  LCD_WDAT,A
LCALL LCD_WRD
INC DPTR
DJNZ COUNT1,PHO_DISP3
INC LCD_Y
DJNZ COUNT2,PHO_DISP2
MOV LCD_X,#88H
DJNZ COUNT3,PHO_DISP1
MOV LCD_COM,#36H
LCALL LCD_WRI
MOV LCD_COM,#30H
LCALL LCD_WRI
RET
;---------------------------------------------
WR_ZB:
MOV LCD_COM,#34H
LCALL LCD_WRI
MOV LCD_COM,LCD_Y
LCALL LCD_WRI
MOV LCD_COM,LCD_X
LCALL LCD_WRI
MOV LCD_COM,#30H
LCALL LCD_WRI
RET
TU_TAB1: ; 數(shù)據(jù)表
db 0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh
db 80h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 01h
db 80h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 01h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 11h,0FFh, 80h, 40h, 08h, 30h, 10h, 20h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 0Ch, 68h, 3Fh,0FFh, 08h, 30h, 11h,0F8h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 0Ch, 68h, 3Fh,0FFh, 08h, 30h, 11h,0F8h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 01h,0FFh, 00h, 00h, 7Fh,0FEh, 7Dh, 08h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 11h, 6Bh, 07h,0FCh, 16h, 30h, 2Dh,0F8h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 0Dh,0FFh, 04h, 0Ch, 16h, 30h, 2Dh, 08h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 0Ch, 00h, 3Fh,0FFh, 16h, 30h, 2Dh,0F8h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 0Ch, 00h, 3Fh,0FFh, 16h, 30h, 2Dh,0F8h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 0Ch,0FFh, 30h, 01h, 66h,0FEh, 2Dh, 26h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 1Ch, 00h, 03h,0F0h, 76h, 82h, 2Dh, 28h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 0Dh,0FFh, 82h, 11h, 08h, 82h, 11h, 10h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 0Ch, 8Bh, 04h, 11h, 16h, 82h, 2Dh, 28h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 0Ch, 8Bh, 04h, 11h, 16h, 82h, 2Dh, 28h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 0Dh, 18h,0B8h, 1Fh, 60h,0FEh, 41h,0C6h, 00h
db 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 00h, 07h, 8Fh,0FFh, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 00h, 08h, 70h, 40h,0EFh, 80h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 00h, 08h, 70h, 40h,0EFh, 80h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 00h, 10h, 00h, 80h, 10h, 60h, 00h, 0Fh,0FFh, 30h, 0Ch, 00h, 80h, 00h, 00h, 00h
db 00h, 20h, 18h, 38h, 20h, 60h, 00h, 00h, 60h, 08h, 0Ch, 1Fh,0FCh, 1Ch, 00h, 00h
db 00h,0C0h, 64h, 45h, 00h, 60h, 00h, 03h,0FCh, 0Bh,0FFh, 00h, 80h, 3Eh, 00h, 00h
db 00h,0C1h, 00h, 01h, 00h, 10h, 00h, 00h, 80h, 00h, 0Ch, 08h, 88h, 3Eh, 00h, 00h
db 00h,0C1h, 00h, 01h, 00h, 10h, 00h, 00h, 80h, 00h, 0Ch, 08h, 88h, 3Eh, 00h, 00h
db 01h, 01h, 00h, 00h,0C0h, 10h, 00h, 1Fh,0FFh,0BDh, 8Ch, 06h,0B0h, 3Eh, 00h, 00h
db 02h, 0Eh, 18h, 1Ch,0C0h, 10h, 00h, 01h, 00h, 04h, 4Ch, 7Fh,0FEh, 1Ch, 00h, 00h
db 02h, 16h, 64h, 22h, 20h, 10h, 00h, 03h,0FCh, 04h, 4Ch, 01h,0C0h, 1Ch, 00h, 00h
db 02h, 16h, 64h, 22h, 20h, 10h, 00h, 03h,0FCh, 04h, 4Ch, 01h,0C0h, 1Ch, 00h, 00h
db 04h,0E8h, 83h, 41h, 1Ch, 08h, 00h, 0Dh, 04h, 04h, 0Ch, 06h,0B0h, 00h, 00h, 00h
db 07h, 10h, 8Fh, 47h, 03h, 88h, 00h, 11h,0FCh, 04h, 3Ch, 08h, 88h, 1Ch, 00h, 00h
db 00h, 20h, 6Ch, 26h, 01h, 78h, 00h, 01h, 04h, 0Ah, 00h, 70h, 86h, 1Ch, 00h, 00h
db 00h,0C0h, 18h, 1Ch, 00h, 80h, 00h, 01h,0FCh, 31h,0FFh, 00h, 80h, 00h, 00h, 00h
db 00h,0C0h, 18h, 1Ch, 00h, 80h, 00h, 01h,0FCh, 31h,0FFh, 00h, 80h, 00h, 00h, 00h
db 00h,0C1h, 87h, 80h, 00h, 80h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 01h, 06h, 78h, 3Ch, 20h, 60h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 01h, 08h, 07h,0C2h,0C0h, 60h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 01h, 08h, 00h, 01h,0C0h, 60h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 01h, 08h, 00h, 01h,0C0h, 60h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 01h, 08h, 18h, 01h,0C0h, 60h, 00h, 00h, 00h,0F1h,0F3h, 87h,0C0h, 00h, 00h, 00h
db 00h,0C6h, 18h,0C2h, 20h, 80h, 00h, 00h, 03h, 0Eh, 1Ch, 78h, 70h, 00h, 00h, 00h
db 00h,0C1h, 00h,0C2h, 00h, 80h, 00h, 00h, 04h, 44h, 11h, 10h, 38h, 00h, 00h, 00h
db 00h, 26h,0E0h, 04h, 01h, 00h, 00h, 00h, 04h, 80h, 12h, 00h, 38h, 00h, 00h, 00h
db 00h, 26h,0E0h, 04h, 01h, 00h, 00h, 00h, 04h, 80h, 12h, 00h, 38h, 00h, 00h, 00h
db 00h, 11h, 18h, 38h, 03h, 00h, 00h, 00h, 04h, 80h, 12h, 00h, 38h, 00h, 00h, 00h
db 00h, 0Eh, 87h,0C2h, 1Ch, 00h, 00h, 00h, 04h, 00h, 10h, 00h, 38h, 00h, 00h, 00h
db 00h, 01h,0E0h, 04h,0E0h, 00h, 00h, 00h, 03h, 00h, 1Ch, 00h, 70h, 00h, 00h, 00h
db 00h, 1Eh, 18h, 3Fh, 1Eh, 00h, 00h, 00h, 00h, 80h, 32h, 00h,0C0h, 00h, 00h, 00h
db 00h, 1Eh, 18h, 3Fh, 1Eh, 00h, 00h, 00h, 00h, 80h, 32h, 00h,0C0h, 00h, 00h, 00h
db 00h, 38h, 07h,0C0h, 0Fh, 00h, 00h, 00h, 00h, 40h, 61h, 01h, 80h, 00h, 00h, 00h
db 00h,0E9h,0FFh,0FFh, 0Dh, 80h, 00h, 00h, 00h, 31h,0C0h, 87h, 00h, 00h, 00h, 00h
db 01h,0E9h, 1Bh,0B9h, 0Dh,0E0h, 00h, 00h, 00h, 0Bh, 80h, 6Eh, 00h, 00h, 00h, 00h
db 03h,0C9h,0F0h, 1Fh, 0Ch,0F0h, 00h, 00h, 00h, 06h, 00h, 18h, 00h, 00h, 00h, 00h
db 03h,0C9h,0F0h, 1Fh, 0Ch,0F0h, 00h, 00h, 00h, 06h, 00h, 18h, 00h, 00h, 00h, 00h
db 07h, 06h,0E0h, 06h, 10h, 78h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 07h,0C1h, 00h, 00h, 20h,0F8h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 07h,0E0h, 80h, 00h,0C1h,0F8h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 07h,0E0h, 80h, 00h,0C1h,0F8h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
db 80h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 01h
db 0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh





end
?? 文件大小 5 K
?? 上傳用戶 woainijiajia123
?? 所屬分類單片機(jī)開發(fā)
??? 相關(guān)標(biāo)簽

#12864 #LCD #驅(qū)動程序
?? 快捷鍵說明

復(fù)制代碼 Ctrl + C
搜索代碼 Ctrl + F
全屏模式 F11
切換主題 Ctrl + Shift + D
顯示快捷鍵 ?
增大字號 Ctrl + =
減小字號 Ctrl + -
亚洲欧美第一页_禁久久精品乱码_粉嫩av一区二区三区免费野_久草精品视频

?? lcd128.asm

?? 快捷鍵說明
