5-LCD1602液晶驱动程序

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1、5-LCD1602液晶驱动程序kIzx£^six>1^^lxsl^>lxkIzX7XZTSXTX^TxXTSz?sz

2、s^Tx^Txxfs^TsZ7SzTs^Txx

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5、SXlXXjX^J>XTSX

6、X^TXXjX//LCD1602drivermoduleprogram,whichcanbedisplayednormally,

7、STC89C52singlechip,11.0592MHZvibrationfrequency//itsdefinitionisasfollows://sbitRS=P20;//registerselection,whichdefinestheRSbitasP2・0pins//sbitRW=P21;//readandwriteselectbits,whichdefinetheRWbitasP2.1//sbitE二P2八2;//enablethesignalbitanddefineEbitasP2.2

8、//sbitBF=P07;//busymarker,whichdefinestheBFbitasP0.7wlz>lzxjs✓TxXT^XTXxjsXjs

9、xXTXXJXXTSX

10、Sx

11、xXTXXJXx

12、sxjxs^K^s^^>✓Tx^x^>^x^x^>^>^ix#include//containingtheheaderfileofthesingle-chipregister#include//containstheheaderfiledefinedb

13、ythe_nop_()function#defineucharunsignedchar#defineuintunsignedintSbitRS二P2八0;//registerselection,whichdefinestheRSbitasP2.0pinsSbitRW二P2八1;//readandwriteselectbits,whichdefinetheRWbitasP2.1SbitE二P2八2;//enablethesignalbitanddefineEbitasP2.2SbitBF=P07;//

14、busymarker,whichdefinestheBFbitasP0.7Unsignedcharcodestring[]二｛〃1602让-codeTEST〃｝;Unsignedcharcodestringl[]二｛〃testBEHAPPY〃｝;"二二二LCD1602functiondefinitionssection==========>1^sl^>1^>1^#T^#Tx#TxFunction:delayIms*>£^>1^>1^>1^>1^>1^#Tx#Tx#Tx✓Jx#Tx#T^#T^Void

15、delay1ms(void)UnsignedcharI,J；For(I=0;I<10;I+)For(j0；j<33;j+)sl^slz#rsr^^Tx>r^^7%>r^^Tx#rxi>k{>k{>k{xv]>k{>#T^#TxFunction:adelayofseveralmillisecondsEntranceparameters:n*^X^^lz>1^/^7^/Voiddelay(unsignedcharn){UnsignedcharI;For(I=0;I

16、lay1ms();}/>lz>1^>£^>1^>1^>1^>1^>1^>1^>1^>£^>lz>1^>1^%£^>lz>1^>1^^7%^T>#T^#T^#Tx#Tx#r^#T^#Tx#T^#7%#T^k{>k{xv]>k{>#T^#TxFunction:todeterminethebusystateoftheliquidcrystalmoduleThereturnvalue:theresult・Result二1,busy;Result二0,notbusy<

17、r^r^>r^>T^>T^^r<#r^>Tx^7%r^>Tx^r