LCD1602液晶顯示實驗實驗報告及程序

-.z.實驗三LCD1602液晶顯示實驗專業(yè)**成績實驗?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LCM1602液晶的C語言編程方法；掌握用LCM1602液晶模塊顯示數(shù)字的C語言編程方法。實驗儀器與設(shè)備1.微機一臺2.keilC51集成開發(fā)環(huán)境3.Proteus仿真軟件實驗容用Proteus設(shè)計一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液晶的控制信號輸入端。P3.0~P3.3口擴展3個功能鍵K1~K3。參考電路見后面。編寫程序，實現(xiàn)字符的靜態(tài)和動態(tài)顯示。顯示字符為第一行：“1.全拼”，第二行：“2.專業(yè)全拼+**”。編寫程序，利用功能鍵實現(xiàn)字符的垂直滾動和水平滾動等效果顯示。顯示字符為：“1.全拼2.專業(yè)全拼+**3.MCS-51E*P84.LCDDISPLAY”主程序靜態(tài)顯示“Myinformation！”實驗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)射光線的背光層，背光層發(fā)出的光線在穿過第一層偏振過濾層之后進入包含成千上萬水晶液滴的液晶層，液晶層中的水晶液滴都被包含在細小的單元格結(jié)構(gòu)中，一個或多個單元格構(gòu)成屏幕上的一個像素。當LCD中的電極產(chǎn)生電場時，液晶分子就會產(chǎn)生扭曲，從而將穿越其中的光線進行有規(guī)則的折射，然后經(jīng)過第二層過濾層的過濾在屏幕上顯示出來。LCD1602采用標準的14引腳（無背光）或16引腳（帶背光）接口，各引腳接口說明如表：編號符號引腳說明編號符號引腳說明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/寫選擇13D6數(shù)據(jù)6E使能信號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：芯片時序表：4．1602LCD的一般初始化(復位)過程(1)延時15ms。(2)寫指令38H(不檢測忙信號)。(3)延時5ms。(4)寫指令38H(不檢測忙信號)。(5)延時5ms。(6)寫指令38H(不檢測忙信號)。(7)以后每次寫指令、讀/寫數(shù)據(jù)操作均需要檢測忙信號。(8)寫指令38H：顯示模式設(shè)置。(9)寫指令08H：顯示關(guān)閉。(10)寫指令01H：顯示清屏。(11)寫指令06H：顯示光標移動設(shè)置。(12)寫指令0CH：顯示開及光標設(shè)置。五、實驗步驟用Proteus設(shè)計1602液晶顯示接口電路；在KeilC51中編寫液晶顯示控制程序，編譯通過后，與Proteus聯(lián)合調(diào)試；按動功能鍵，觀察字符及效果是否正確顯示。六、電路設(shè)計調(diào)試及程序?qū)嶒炿娐烦绦蛟O(shè)計與調(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]);