driver_lcd.rar_89s52_LCD driver_RT12864-10_rt12864_rt12864j-4

#include <absacc.h> #include <intrins.h> #include <REGX52.h> #define uint unsigned int #define uchar unsigned char #define add_iw_lr XBYTE[0x8300] //写指令（左右)地址 #define add_iw_l XBYTE[0x8200] //写指令（左）地址 #define add_iw_r XBYTE[0x8100] //写指令（右）地址 #define add_dw_lr XBYTE[0x8700] //写数据（左右)地址 #define add_dw_l XBYTE[0x8600] //写数据（左）地址 #define add_dw_r XBYTE[0x8500] //写数据（右）地址 #define add_rsta_lr XBYTE[0x8b00] //读状态地址 #define add_rd_lr XBYTE[0x8f00] //读显示数据地址 sbit lcdreset=P1^7; // LCD复位端口位地址 uchar s_c; //定义屏幕位置（0－左，1－右，2－全屏） code char _asc_20[]={0x00,0x00,0x00,0x00,0x00,0x00},//space _asc_21[]={0x00,0x00,0x4f,0x00,0x00,0x00},//! _asc_28[]={0x00,0x00,0x1c,0x22,0x41,0x00},//( _asc_29[]={0x00,0x41,0x22,0x1c,0x00,0x00},//) _asc_2a[]={0x14,0x08,0x3e,0x08,0x14,0x00},//* _asc_2b[]={0x08,0x08,0x3e,0x08,0x08,0x00},//+ _asc_2c[]={0x00,0x50,0x30,0x00,0x00,0x00},//, _asc_2d[]={0x08,0x08,0x08,0x08,0x08,0x00},//- _asc_2e[]={0x00,0x60,0x60,0x00,0x00,0x00},//. _asc_30[]={0x3e,0x51,0x49,0x45,0x3e,0x00},//0 _asc_31[]={0x00,0x42,0x7f,0x40,0x00,0x00},//1 _asc_32[]={0x42,0x61,0x51,0x49,0x46,0x00},//2 _asc_33[]={0x21,0x41,0x45,0x4b,0x31,0x00},//3 _asc_34[]={0x18,0x14,0x12,0x7f,0x10,0x00},//4 _asc_35[]={0x27,0x45,0x45,0x45,0x39,0x00},//5 _asc_36[]={0x3c,0x4a,0x49,0x49,0x30,0x00},//6 _asc_37[]={0x01,0x01,0x71,0x0d,0x03,0x00},//7 _asc_38[]={0x36,0x49,0x49,0x49,0x36,0x00},//8 _asc_39[]={0x06,0x49,0x49,0x29,0x1e,0x00},//9 _asc_3a[]={0x00,0x36,0x36,0x00,0x00,0x00},//: _asc_3b[]={0x00,0x56,0x36,0x00,0x00,0x00},//; //_asc_3c[]={0x00,0x08,0x14,0x22,0x41,0x00},//< _asc_3c[]={0x00,0xfe,0x7c,0x38,0x10,0x00},//-> （替换成自定义符号） _asc_3d[]={0x14,0x14,0x14,0x14,0x14,0x00},//= _asc_3e[]={0x00,0x41,0x22,0x14,0x08,0x00},//> _asc_3f[]={0x02,0x01,0x51,0x09,0x06,0x00},//? _asc_40[]={0x3e,0x41,0x5d,0x55,0x1e,0x00},//@ (原来） _asc_41[]={0x7e,0x11,0x11,0x11,0x7e,0x00},//A _asc_42[]={0x7f,0x49,0x49,0x49,0x36,0x00},//B _asc_43[]={0x3e,0x41,0x41,0x41,0x22,0x00},//C _asc_44[]={0x7f,0x41,0x41,0x22,0x1c,0x00},//D _asc_45[]={0x7f,0x49,0x49,0x49,0x41,0x00},//E _asc_46[]={0x7f,0x09,0x09,0x09,0x01,0x00},//F _asc_47[]={0x3e,0x41,0x49,0x49,0x7a,0x00},//G _asc_48[]={0x7f,0x08,0x08,0x08,0x7f,0x00},//H _asc_49[]={0x00,0x41,0x7f,0x41,0x00,0x00},//I _asc_4a[]={0x20,0x40,0x41,0x3f,0x01,0x00},//J _asc_4b[]={0x7f,0x08,0x14,0x22,0x41,0x00},//K _asc_4c[]={0x7f,0x40,0x40,0x40,0x40,0x00},//L _asc_4d[]={0x7f,0x02,0x0c,0x02,0x7f,0x00},//M _asc_4e[]={0x7f,0x04,0x08,0x10,0x7f,0x00},//N _asc_4f[]={0x3e,0x41,0x41,0x41,0x3e,0x00},//O _asc_50[]={0x7f,0x09,0x09,0x09,0x06,0x00},//P _asc_51[]={0x3e,0x41,0x51,0x21,0x5e,0x00},//Q _asc_52[]={0x7f,0x09,0x19,0x29,0x46,0x00},//R _asc_53[]={0x46,0x49,0x49,0x49,0x31,0x00},//S _asc_54[]={0x01,0x01,0x7F,0x01,0x01,0x00},//T _asc_55[]={0x3F,0x40,0x40,0x40,0x3F,0x00},//U _asc_56[]={0x1F,0x20,0x40,0x20,0x3F,0x00},//V _asc_57[]={0x3F,0x40,0x38,0x40,0x3F,0x00},//W _asc_58[]={0x63,0x14,0x08,0x14,0x63,0x00},//X _asc_59[]={0x03,0x04,0x78,0x04,0x03,0x00},//Y _asc_5a[]={0x61,0x51,0x49,0x45,0x43,0x00},//Z _asc_61[]={0x20,0x54,0x54,0x54,0x78,0x00},//a _asc_62[]={0x7f,0x48,0x44,0x44,0x38,0x00},//b _asc_63[]={0x38,0x44,0x44,0x44,0x44,0x00},//c _asc_64[]={0x38,0x44,0x44,0x48,0x7f,0x00},//d _asc_65[]={0x38,0x54,0x54,0x54,0x18,0x00},//e _asc_66[]={0x08,0x7e,0x09,0x01,0x02,0x00},//f _asc_67[]={0x06,0x49,0x49,0x49,0x3e,0x00},//g _asc_68[]={0x7f,0x08,0x04,0x04,0x78,0x00},//h _asc_69[]={0x00,0x44,0x7d,0x40,0x00,0x00},//i _asc_6a[]={0x20,0x40,0x44,0x3d,0x00,0x00},//j _asc_6b[]={0x7f,0x10,0x28,0x44,0x00,0x00},//k _asc_6c[]={0x00,0x41,0x7f,0x40,0x00,0x00},//l _asc_6d[]={0x7c,0x04,0x18,0x04,0x78,0x00},//m _asc_6e[]={0x7c,0x08,0x04,0x04,0x78,0x00},//n _asc_6f[]={0x38,0x44,0x44,0x44,0x38,0x00},//o _asc_70[]={0x7c,0x14,0x14,0x14,0x08,0x00},//p _asc_71[]={0x08,0x14,0x14,0x14,0x7c,0x00},//q _asc_72[]={0x00,0x7c,0x08,0x04,0x04,0x00},//r _asc_73[]={0x48,0x54,0x54,0x54,0x20,0x00},//s _asc_74[]={0x00,0x04,0x3f,0x44,0x40,0x00},//t _asc_75[]={0x3c,0x40,0x40,0x20,0x7c,0x00},//u _asc_76[]={0x1c,0x20,0x40,0x20,0x1c,0x00},//v _asc_77[]={0x3c,0x40,0x30,0x40,0x3c,0x00},//w _asc_78[]={0x44,0x28,0x10,0x28,0x44,0x00},//x _asc_79[]={0x0c,0x50,0x50,0x50,0x3c,0x00},//y _asc_7a[]={0x44,0x64,0x54,0x4c,0x44,0x00};//z code char code *ascii[]={ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, _asc_20,_asc_21, 0,0,0,0,0,0, _asc_28,_asc_29,_asc_2a,_asc_2b,_asc_2c,_asc_2d,_asc_2e,0, _asc_30,_asc_31,_asc_32,_asc_33,_asc_34,_asc_35,_asc_36,_asc_37,_asc_38,_asc_39, _asc_3a,_asc_3b,_asc_3c,_asc_3d,_asc_3e,_asc_3f, 0, _asc_41,_asc_42,_asc_43,_asc_44,_asc_45,_asc_46,_asc_47,_asc_48,_asc_49,_asc_4a, _asc_4b,_asc_4c,_asc_4d,_asc_4e,_asc_4f,_asc_50,_asc_51,_asc_52,_asc_53,_asc_54, _asc_55,_asc_56,_asc_57,_asc_58,_asc_59,_asc_5a, 0,0,0,0,0,0, _asc_61,_asc_62,_asc_63,_asc_64,_asc_65,_asc_66,_asc_67,_asc_68,_asc_69,_asc_6a, _asc_6b,_asc_6c,_asc_6d,_asc_6e,_asc_6f,_asc_70,_asc_71,_asc_72,_asc_73,_asc_74, _asc_75,_asc_76,_asc_77,_asc_78,_asc_79,_asc_7a, 0,0,0,0,0}; /*----------------------------------------------------------------------------------------------------*/ /*--基本函数源程序------------------------------------------------------------------------------------*/ //延时 Lcd12864delay(uint i) { while(i--) {;} } /*----------------------------------------------------------------------------------------------------*/ //状态检查 void CheckState() { uchar dat; do{dat=add_rsta_lr; dat=0x90 & dat; //仅当第4,7位为0时才可操作 }while(!(dat==0x00)); } /*----------------------------------------------------------------------------------------------------*/ //写显示数据 //dat:显示数据 void WriteByte(uchar dat,s_c) { switch(s_c) {case 0: //写左显示数据 CheckState(); add_dw_l=dat; break; case 1: //写右显示数据 CheckState(); add_dw_r=dat; break; case 2: //写左右显示数据 CheckState(); add_dw_lr=dat; break; } } /*-----------------------------------------------------------------------------------------------------*/ //向LCD发送命令 //command :命令 SendCommandToLCD(uchar command,s_c) { switch(s_c) {case 0: //写左指令 CheckState(); add_iw_l=command; break; case 1: //写右指令 CheckState(); add_iw_r=command; break; case 2: //写左右指令 CheckState(); add_iw_lr=command; break; } } /*----------------------------------------------------------------------------------------------------*/ //设定行地址(页)--X 0-7 void SetLine(uchar line) { line=line & 0x07; // 0<=line<=7 //防止越界 line=line|0xb8; //1011 1xxx //通过和b8h或得到指令包含页地址的指令码 SendCommandToLCD(line,s_c); //??需要设置屏幕位置（左右?) } /*----------------------------------------------------------------------------------------------------*/ //设定列地址--Y 0-63 void SetColumn(uchar column) { column=column &0x3f; // 0=<column<=63 //防止越界 column=column | 0x40; //01xx xxxx //通过和40h或得到指令包含列地址的指令码 SendCommandToLCD(column,s_c); //??需要设置屏幕位置（左右?) } /*----------------------------------------------------------------------------------------------------*/ //设定显示开始行--XX void SetStartLine(uchar startline) //0--63 { startline=startline & 0x3f; //防止越界， 原来的－－startline=startline & 0x07，只能达到7行，有误 startline=startline|0xc0; //1100 0000 //通过和c0h或得到指令包含开始行地址的指令码 SendCommandToLCD(startline,s_c); //??需要设置屏幕位置（左右?) } /*--------------------------------------------------