LCD1602液晶顯示實(shí)驗(yàn)實(shí)驗(yàn)報(bào)告及程序

-.z.實(shí)驗(yàn)三LCD1602液晶顯示實(shí)驗(yàn)專(zhuān)業(yè)**成績(jī)實(shí)驗(yàn)?zāi)康恼莆誎eilC51軟件與proteus軟件聯(lián)合仿真調(diào)試的方法；掌握LCD1602液晶模塊顯示西文的原理及使用方法；掌握用8位數(shù)據(jù)模式驅(qū)動(dòng)LCM1602液晶的C語(yǔ)言編程方法；掌握用LCM1602液晶模塊顯示數(shù)字的C語(yǔ)言編程方法。實(shí)驗(yàn)儀器與設(shè)備1.微機(jī)一臺(tái)2.keilC51集成開(kāi)發(fā)環(huán)境3.Proteus仿真軟件實(shí)驗(yàn)容用Proteus設(shè)計(jì)一LCD1602液晶顯示接口電路。要求利用P0口接LCD1602液晶的數(shù)據(jù)端，P2.0~P2.2做LCD1602液晶的控制信號(hào)輸入端。P3.0~P3.3口擴(kuò)展3個(gè)功能鍵K1~K3。參考電路見(jiàn)后面。編寫(xiě)程序，實(shí)現(xiàn)字符的靜態(tài)和動(dòng)態(tài)顯示。顯示字符為第一行：“1.全拼”，第二行：“2.專(zhuān)業(yè)全拼+**”。編寫(xiě)程序，利用功能鍵實(shí)現(xiàn)字符的垂直滾動(dòng)和水平滾動(dòng)等效果顯示。顯示字符為：“1.全拼2.專(zhuān)業(yè)全拼+**3.MCS-51E*P84.LCDDISPLAY”主程序靜態(tài)顯示“Myinformation！”實(shí)驗(yàn)原理液晶顯示的原理：采用的LCD顯示屏都是由不同部分組成的分層結(jié)構(gòu)，位于最后面的一層是由熒光物質(zhì)組成的可以發(fā)射光線(xiàn)的背光層，背光層發(fā)出的光線(xiàn)在穿過(guò)第一層偏振過(guò)濾層之后進(jìn)入包含成千上萬(wàn)水晶液滴的液晶層，液晶層中的水晶液滴都被包含在細(xì)小的單元格結(jié)構(gòu)中，一個(gè)或多個(gè)單元格構(gòu)成屏幕上的一個(gè)像素。當(dāng)LCD中的電極產(chǎn)生電場(chǎng)時(shí)，液晶分子就會(huì)產(chǎn)生扭曲，從而將穿越其中的光線(xiàn)進(jìn)行有規(guī)則的折射，然后經(jīng)過(guò)第二層過(guò)濾層的過(guò)濾在屏幕上顯示出來(lái)。LCD1602采用標(biāo)準(zhǔn)的14引腳（無(wú)背光）或16引腳（帶背光）接口，各引腳接口說(shuō)明如表：編號(hào)符號(hào)引腳說(shuō)明編號(hào)符號(hào)引腳說(shuō)明1VSS電源地9D2數(shù)據(jù)2VDD電源正極10D3數(shù)據(jù)3VL液晶顯示偏壓11D4數(shù)據(jù)4RS數(shù)據(jù)/命令選擇12D5數(shù)據(jù)5R/W讀/寫(xiě)選擇13D6數(shù)據(jù)6E使能信號(hào)14D7數(shù)據(jù)7D0數(shù)據(jù)15BLA背光源正極8D1數(shù)據(jù)16BLK背光源負(fù)極1602液晶模塊部的控制器共有11條控制指令，如表所示：芯片時(shí)序表：4．1602LCD的一般初始化(復(fù)位)過(guò)程(1)延時(shí)15ms。(2)寫(xiě)指令38H(不檢測(cè)忙信號(hào))。(3)延時(shí)5ms。(4)寫(xiě)指令38H(不檢測(cè)忙信號(hào))。(5)延時(shí)5ms。(6)寫(xiě)指令38H(不檢測(cè)忙信號(hào))。(7)以后每次寫(xiě)指令、讀/寫(xiě)數(shù)據(jù)操作均需要檢測(cè)忙信號(hào)。(8)寫(xiě)指令38H：顯示模式設(shè)置。(9)寫(xiě)指令08H：顯示關(guān)閉。(10)寫(xiě)指令01H：顯示清屏。(11)寫(xiě)指令06H：顯示光標(biāo)移動(dòng)設(shè)置。(12)寫(xiě)指令0CH：顯示開(kāi)及光標(biāo)設(shè)置。五、實(shí)驗(yàn)步驟用Proteus設(shè)計(jì)1602液晶顯示接口電路；在KeilC51中編寫(xiě)液晶顯示控制程序，編譯通過(guò)后，與Proteus聯(lián)合調(diào)試；按動(dòng)功能鍵，觀(guān)察字符及效果是否正確顯示。六、電路設(shè)計(jì)調(diào)試及程序?qū)嶒?yàn)電路程序設(shè)計(jì)與調(diào)試靜態(tài)顯示-.z.*include<reg51.h>*defineucharunsignedchar*defineuintunsignedintucharcodetable[]="1.Huang*in";ucharcodetable1[]="2.Tong*in412381";sbitlcden=P2^2;sbitlcdrw=P2^1;sbitlcdrs=P2^0;ucharnum;voiddelay(uintz){uint*,y;for(*=z;*>0;*--)for(y=110;y>0;y--);}voidwrite_(uchar){lcdrs=0;P0=;delay(5);lcden=1;delay(5);lcden=0;}voidwrite_data(uchardate){lcdrs=1;P0=date;delay(5);lcden=1;delay(5);lcden=0;}voidinit(){lcden=0;lcdrw=0;write_(0*38);write_(0*0c);write_(0*06);write_(0*01);write_(0*80+0*00);}voidmain(){init();delay(100);while(1){for(num=0;num<12;num++){write_data(table[num]);delay(200);}write_(0*02);write_(0*80+0*40);for(num=0;num<16;num++){write_data(table1[num]);delay(200);}while(1);}}動(dòng)態(tài)顯示*include<reg51.h>*defineucharunsignedchar*defineuintunsignedintucharcodetable[]="1.Huang*in";ucharcodetable1[]="2.Tong*in412381";sbitlcden=P2^2;sbitlcdrw=P2^1;sbitlcdrs=P2^0;ucharnum;voiddelay(uintz){uint*,y;for(*=z;*>0;*--)for(y=110;y>0;y--);}voidwrite_(uchar){lcdrs=0;P0=;delay(5);lcden=1;delay(5);lcden=0;}voidwrite_data(uchardate){lcdrs=1;P0=date;delay(5);lcden=1;delay(5);lcden=0;}voidinit(){lcden=0;lcdrw=0;write_(0*38);write_(0*0f);write_(0*06);write_(0*01);write_(0*80+0*00);}voidmain(){init();delay(100);while(1){for(num=0;num<12;num++){write_data(table[num]);delay(200);}write_(0*02);write_(0*80+0*40);for(num=0;num<16;num++){write_data(table1[num]);delay(200);}write_(0*01);}}按鍵實(shí)現(xiàn)不同效果*include<reg51.h>*defineucharunsignedchar*defineuintunsignedintucharcodetable[]="Myinformation!";ucharcodetable1[]="1.Huang*in";ucharcodetable2[]="2.Tong*in412381";ucharcodetable3[]="3.MCS-51E*P8";ucharcodetable4[]="4.LCDDISPLAY";ucharnum,i,j;ucharflag1,flag2,flag3,flag4;sbitk1=P3^0;sbitk2=P3^1;sbitk3=P3^2;sbitk4=P3^3;sbitlcden=P2^2;sbitlcdrw=P2^1;sbitlcdrs=P2^0;voiddelay(uintz){uint*,y;for(*=z;*>0;*--)for(y=110;y>0;y--);}voidwrite_(uchar){lcdrs=0;P0=;delay(5);lcden=1;delay(5);lcden=0;}voidwrite_data(uchardate){lcdrs=1;P0=date;delay(5);lcden=1;delay(5);lcden=0;}voidinit(){lcden=0;lcdrw=0;write_(0*38);write_(0*0f);write_(0*06);write_(0*01);}voidmain(){init();TMOD=0*01;TH0=(65536-10000)/256;TL0=(65536-10000)%256;EA=1;ET0=1;TR0=1;E*0=1;IT0=1;IP=0*05;E*1=1;IT1=1;delay(100);while(1){flag3=0;write_(0*01);write_(0*80+0*01);delay(50);for(num=0;num<15;num++){write_data(table[num]);delay(200);}delay(200);write_(0*01);}}voiddisplay(){if(k1==0){while(1){if(flag1==1)break;if(flag3==0)//{if(flag1==1)break;//控制返回write_(0*01);write_(0*80+0*00);delay(50);for(num=0;num<11;num++)//顯示"1.Huang*in"{if(flag1==1)break;while(flag3==1){if(flag1==1)break;}write_data(table1[num]);delay(200); }write_(0*80+0*40);for(num=0;num<16;num++)//顯示"2.Tong*in412381"{if(flag1==1)break;while(flag3==1) {if(flag1==1)break; }write_data(table2[num]);delay(200); }write_(0*01);delay(200);write_(0*80+0*00);for(num=0;num<16;num++)//顯示"2.Tong*in412381"{if(flag1==1)break;while(flag3==1) {if(flag1==1)break; }write_data(table2[num]);delay(200); }write_(0*80+0*40);for(num=0;num<13;num++)//顯示"3.MCS-51E*P8"{if(flag1==1)break;while(flag3==1) {if(flag1==1)break; }write_data(table3[num]);delay(200);}write_(0*01);write_(0*80+0*00);for(num=0;num<13;num++)//顯示"3.MCS-51E*P8"{if(flag1==1)break;while(flag3==1) {if(flag1==1)break; }write_data(table3[num]);delay(200); }delay(200);if(flag1==1)break;write_(0*80+0*40);for(num=0;num<13;num++)//顯示"4.LCDDISPLAY"{if(flag1==1)break;while(flag3==1) {if(flag1==1)break; }write_data(table4[num]);delay(200); }write_(0*01);write_(0*80+0*00);for(num=0;num<13;num++)//顯示"4.LCDDISPLAY"{if(flag1==1)break;while(flag3==1){if(flag1==1)break; }write_data(table4[num]);delay(200);}write_(0*80+0*40);for(num=0;num<11;num++)//顯示"1.Huang*in"{if(flag1==1)break;while(flag3==1) {if(flag1==1)break; }write_data(table1[num]);delay(200);}}}flag3=0;flag1=0;//清標(biāo)志位write_(0*01);//清屏}if(k2==0){//if(flag1==1)break;write_(0*01);//清屏write_(0*80+0*00);for(num=0;num<11;num++)//顯示"1.Huang*in"{if(flag1==1)break;write_data(table1[num]);delay(50);}write_(0*80+0*10);for(num=0;num<16;num++)//顯示"2.Tong*in412381"{if(flag1==1)break;write_data(table2[num]);delay(50);}write_(0*02);write_(0*80+0*40);for(num=0;num<13;num++)//顯示"3.MCS-51E*P8"{if(flag1==1)break;write_data(table3[num]);delay(50);}write_(0*80+0*50);for(num=0;num<13;num++)//顯示"4.LCDDISPLAY"{if(flag1==1)break; write_data(table4[num]);