LCD1602匯編程序復(fù)習(xí)課程

1、Good is good, but better carries it.精益求精，善益求善。LCD1602匯編程序-LCD1602匯編程序;*描述:LCD1602滾動顯示*;*顯示方式：*;*1、從左到右逐字顯示，閃動二次，清屏。*;*2、再從右到左逐字顯示，閃動二次，清屏。*;*3、周期性地重復(fù)上述顯示方式。*;*LCD_RSEQUP2.0LCD_RWEQUP2.1LCD_ENEQUP2.2;*ORG0000HAJMPMAINORG0030H;*MAIN:MOVSP,#60HMOVR4,#02H;設(shè)置閃爍次數(shù)ACALLLCD_INITMAIN1:ACALLLCDSET1MOVDPTR,#CH

2、AR1ACALLWRITE1;MOVA,#0C0H;顯示第二行左邊第一位位置ACALLLCD_CMDMOVDPTR,#CHAR2;顯示ACALLWRITE1ACALLDELAY4;延時ACALLDELAY4ACALLSHAN;閃爍兩次ACALLLCDSET2MOVDPTR,#CHAR3;ACALLWRITE1MOVA,#0C0H;顯示第二行右邊第一位位置ACALLLCD_CMDMOVDPTR,#CHAR4;顯示ACALLWRITE1ACALLDELAY4;延時ACALLDELAY4ACALLSHAN;閃爍兩次ACALLMAIN1;*;LCD初始化設(shè)定子程序;*LCD_INIT:ACALLDEL

3、AY5MS;延時15MSACALLDELAY5MS;等待LCD電源穩(wěn)定ACALLDELAY5MSMOVA,#38H;16*2顯示，5*7點陣，8位數(shù)據(jù)ACALLLCD_CMD_NC;不進(jìn)行LCD忙檢測ACALLDELAY5MSMOVA,#38H;16*2顯示，5*7點陣，8位數(shù)據(jù)ACALLLCD_CMD_NC;不進(jìn)行LCD忙檢測ACALLDELAY5MSMOVA,#38H;16*2顯示，5*7點陣，8位數(shù)據(jù)ACALLLCD_CMD_NC;不進(jìn)行LCD忙檢測ACALLDELAY5MSMOVA,#08H;顯示關(guān)ACALLLCD_CMD;進(jìn)行LCD忙檢測MOVA,#01H;清除屏幕ACALLLCD_

4、CMD;進(jìn)行LCD忙檢測MOVA,#06H;移動光標(biāo)ACALLLCD_CMD;進(jìn)行LCD忙檢測MOVA,#0CH;顯示開，關(guān)光標(biāo)ACALLLCD_CMD;進(jìn)行LCD忙檢測RET;*;顯示位置與移動光標(biāo)設(shè)定;*LCDSET1:MOVA,#01H;清除屏幕ACALLLCD_CMDACALLDELAY5MSMOVA,#06H;移動光標(biāo)（光標(biāo)加1）ACALLLCD_CMDACALLDELAY5MSMOVA,#80H;顯示第一行左邊第一位位置ACALLLCD_CMDACALLDELAY5MSRETLCDSET2:MOVA,#01H;清除屏幕ACALLLCD_CMDACALLDELAY5MSMOVA,#0

5、6H;移動光標(biāo)（光標(biāo)減1）ACALLLCD_CMDACALLDELAY5MSMOVA,#80H;顯示第一行右邊第一位位置ACALLLCD_CMDACALLDELAY5MSRET;*;寫指令數(shù)據(jù)到LCD;RS=L,RW=L,D0-D7=指令碼，E=高脈沖;*LCD_CMD:ACALLCHECKBUSYLCD_CMD_NC:CLRLCD_RSCLRLCD_RWMOVP0,ASETBLCD_ENNOPNOPNOPNOPCLRLCD_ENRET;*;發(fā)送字符串子程序;*WRITE1:MOVR0,#16WRITE0:CLRAMOVCA,A+DPTRINCDPTRACALLLCD_WDATACALLDEL

6、AY;加延時形成滾動效果DJNZR0,WRITE0RET;*;寫顯示數(shù)據(jù)到LCD;RS=H,RW=L,D0-D7=數(shù)據(jù)，E=高脈沖;*LCD_WDATA:ACALLCHECKBUSYSETBLCD_RSCLRLCD_RWMOVP0,ASETBLCD_ENNOPNOPNOPNOPCLRLCD_ENRET;*;檢測LCD控制器忙狀態(tài);讀數(shù)據(jù);RS=L,RW=H,E=H,輸出：D0-D7=數(shù)據(jù);*CHECKBUSY:PUSHACCMOVP0,#0FFHCLRLCD_RSSETBLCD_RWSETBLCD_ENBUSYLOOP:NOPJBP0.7,BUSYLOOPCLRLCD_ENPOPACCRET;

7、*;閃爍子程序;*SHAN:MOVA,#08H;關(guān)閉顯示ACALLLCD_CMDACALLDELAY4MOVA,#0CH;開顯示，關(guān)閉光標(biāo)ACALLLCD_CMDACALLDELAY4DJNZR4,SHANMOVR4,#02H;設(shè)置閃爍次數(shù)RET;*;延時120MS子程序;發(fā)送字符串時使用;*DELAY:MOVR7,#240DL1:MOVR6,#250DL2:DJNZR6,DL2DJNZR7,DL1RET;*;延時800MS子程序;閃爍時使用;*DELAY4:MOVR0,#40DL3:MOVR1,#100DL4:MOVR2,#100DL5:DJNZR2,DL5DJNZR1,DL4DJNZR0,

8、DL3RET;*;延時5MS子程序;LCD初始化使用;*DELAY5MS:MOVR1,#10DL6:MOVR2,#249DL7:DJNZR2,DL7DJNZR1,DL6RET;*;延時1MS子程序;*DELAY1MS:MOVR6,#14H;20DL8:MOVR7,#19H;25DL9:DJNZR7,DL9DJNZR6,DL8RET;*CHAR1:DBWelcometoCras-CHAR2:DByBoyeWorkGroupCHAR3:DBQQ:15910380CHAR4:DBTEL*END12864匯編程序XEQU26H;LCD地址變量RSEQUP2.0RWEQUP2.

9、1ENEQUP2.2PSBEQUP2.3RSTEQUP2.5ORG0000HJMPMAINORG0003H;外部中斷INT0入口地址MAIN:MOVSP,#40HMOVA,#00HMOVR0,#20HLOOP0:MOVR0,A;20H-26H清零INCR0CJNER0,#27H,LOOP0MOVIE,#81H;允許總中斷中斷,使能INT0外部中斷MOVTCON,#01H;觸發(fā)方式為脈沖負(fù)邊沿觸發(fā)SETBRSTNOPSETBPSB;8位數(shù)據(jù)，并口CALLSET_LCD;初始化TS12864mCALLMENU1CALLMENU2CALLMENU3CALLMENU4LOOP1:MOVA,22HCJN

10、EA,#40H,LOOP2LOOP2:CJNEA,#04H,LOOP3LOOP3:JMPLOOP1;=;LCD初始化設(shè)置;=-SET_LCD:CLRENMOVA,#34H;34H-擴(kuò)充指令操作CALLWCOMMOVA,#30H;30H-基本指令操作CALLWCOMMOVA,#0CH;開顯示，關(guān)光標(biāo)，CALLWCOMMOVA,#01H;清除LCM顯示屏CALLWCOMRET;=;在LCM各行顯示信息字符;=LCD_SHOW:CJNEA,#1,LINE2;判斷是否為第一行LINE1:MOVA,#80H;設(shè)置LCD的第一行地址CALLWCOM;寫入命令CALLCLR_LINE;清除該行字符數(shù)據(jù)MOV

11、A,#80H;設(shè)置LCD的第一行地址CALLWCOM;寫入命令JMPFILLLINE2:CJNEA,#2,LINE3;判斷是否為第三行MOVA,#090H;設(shè)置LCD的第三行地址CALLWCOM;寫入命令CALLCLR_LINE;清除該行字符數(shù)據(jù)MOVA,#090H;設(shè)置LCD的第三行地址CALLWCOMJMPFILLLINE3:CJNEA,#3,LINE4;判斷是否為第三行MOVA,#088H;設(shè)置LCD的第三行地址CALLWCOM;寫入命令CALLCLR_LINE;清除該行字符數(shù)據(jù)MOVA,#088H;設(shè)置LCD的第三行地址CALLWCOMJMPFILLLINE4:CJNEA,#4,LIN

12、E5;判斷是否為第三行MOVA,#098H;設(shè)置LCD的第三行地址CALLWCOM;寫入命令CALLCLR_LINE;清除該行字符數(shù)據(jù)MOVA,#098H;設(shè)置LCD的第三行地址CALLWCOMFILL:CLRA;填入字符MOVCA,A+DPTR;由消息區(qū)取出字符CJNEA,#0,LC1;判斷是否為結(jié)束碼LINE5:RETLC1:CALLWDATA;寫入數(shù)據(jù)INCDPTR;指針加1JMPFILL;繼續(xù)填入字符RET;=;清除該行LCM的字符;=CLR_LINE:MOVR0,#16CL1:MOVA,#CALLWDATADJNZR0,CL1RET;=;LCM顯示工作菜單信息;=MENU1:MOVDPTR,#MENU1AMOVA,#1;在第一行顯示信息CALLLCD_SHOWRETMENU1A:DBMUC控制GPRS模塊,0MENU2:MOVDPTR,#MENU2AMOVA,#2;在第二行顯示信息CALLLCD_SHOWRETMENU2A:DBTEL0MENU3:MOVDPTR,#MENU3AMOVA,#3;在第三行顯示信息CALLLCD_SHOWRETMENU3A:DB方案設(shè)計:龔偉,0MENU4:MOVDPTR,#MENU4AMOVA,#4;在第四行顯示信息CALLLCD_SHOWRETMENU4A:DB程序編寫:靳鵬,0;=;寫指令