PIC18单片机LCD液晶显示器驱动程序.doc

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1、//***********************************************//*Main.C*//***********************************************//*W-AP002MPLABC18AdvanceWorkshop*//*Writtenby:RichardYang*//*Sr.CorporateApplicationsEngr.*//*MicrochipTechnologyInc.*//*Date:16January2003*//*Revision:1*//*****************************

2、******************//***********************************************************#include#include#include"P18F_LCD.h"voidInitializePORT(void);#pragmaidataaccessMy_RAM_1nearcharLCD_RAM_MSG[]="RichardYang";nearunsignedcharLCD_Char='0';#pragmaromdataRomDataconstromcharLCD_ROM_M

3、SG[]="WAP-002Workshop";#pragmacode//***********************************************************/**//*MainProgram*//**///***********************************************************voidmain(void){InitializePORT();OpenLCD();putcLCD('!');while(1);}//************************************************

4、//*Function:InitializePORT*//************************************************voidInitializePORT(void){PORTA=0x00;TRISA=0b;//RA2asLCD-Econtrol,RA5asCSControlforSPIPORTD=0x00;TRISD=0x00;//SetPORTDasOutputport}#pragmacode#pragmaromdataCONFIGconstromunsignedcharCONFIG1L=0xff;//Don'tcarebyteconstro

5、munsignedcharCONFIG1H=0b;//DisableOSCswitch,XXXXX010=HSOscconstromunsignedcharCONFIG2L=0b;//DisablePWRT,DisableBORconstromunsignedcharCONFIG2H=0b;//DisableWDTtimerconstromunsignedcharCONFIG3L=0xff;//Don'tcarebyteconstromunsignedcharCONFIG3H=0b;//XXXXXXX0=CCP2-->RB3constromunsignedcharCONFIG4L=

6、0b;//0XXXXXXXBackgroungDebugEnable(ICD)constromunsignedcharCONFIG4H=0xff;//Don'tcarebyteconstromunsignedcharCONFIG5L=0b;//NotPROGcodeprotectedconstromunsignedcharCONFIG5H=0b;//NotEEPROMcodeprotectedconstromunsignedcharCONFIG6L=0b;constromunsignedcharCONFIG6H=0b;constromunsignedcharCONFIG7L=0b;

7、constromunsignedcharCONFIG7H=0b;#pragmaromdata//DeclarationfileforLCDrelatedsubroutinesvoidOpenLCD(void);voidWriteCmdLCD(unsignedchar);voidWriteDataLCD(unsignedchar);voidputsLCD(char*);voidputrsLCD(constromchar*);voidputcLCD(unsignedcha