C语言12864单片机不带字库显示程序

#include <reg51.h> #include <intrins.h> #define uint unsigned int #define uchar unsigned char #define DATA P0 //LCD12864数据线 sbit RS=P2^7; // 数据\指令 选择 sbit RW=P2^6; // 读\写 选择 sbit EN=P2^5; // 读\写使能 sbit cs1=P2^2; // 片选1 sbit cs2=P2^1; // 片选2 /* sbit CS1=P2^2; sbit CS2=P2^1; sbit RST=P2^0; sbit DI=P2^7; sbit RW=P2^6; sbit ALE=P2^5; */ /********************************/ /* 定义中文字库 */ /********************************/ uchar code Hzk[]={ /*-- 文字: 相 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x10,0x10,0x10,0xD0,0xFF,0x90,0x10,0x00,0xFE,0x22,0x22,0x22,0x22,0xFE,0x00,0x00, 0x08,0x04,0x03,0x00,0xFF,0x00,0x03,0x00,0xFF,0x42,0x42,0x42,0x42,0xFF,0x00,0x00, /*-- 文字: 信 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x80,0x60,0xF8,0x07,0x00,0x04,0x24,0x24,0x25,0x26,0x24,0x24,0x24,0x04,0x00, 0x01,0x00,0x00,0xFF,0x00,0x00,0x00,0xF9,0x49,0x49,0x49,0x49,0x49,0xF9,0x00,0x00, /*-- 文字: 自 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x00,0xF8,0x88,0x8C,0x8A,0x89,0x88,0x88,0x88,0xF8,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0xFF,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0xFF,0x00,0x00,0x00,0x00, /*-- 文字: 己 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0xFE,0x00,0x00,0x00,0x00, 0x00,0x00,0x3F,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x78,0x00,0x00, /*-- 文字: 超 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x40,0x48,0x48,0x48,0xFF,0x48,0x48,0x42,0xA2,0x9E,0x82,0xA2,0xC2,0xBE,0x00,0x00, 0x80,0x60,0x1F,0x20,0x7F,0x44,0x44,0x40,0x4F,0x48,0x48,0x48,0x48,0x4F,0x40,0x00, /*-- 文字: 越 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x40,0x48,0x48,0xFF,0x48,0x48,0x00,0xF8,0x08,0x08,0xFF,0x08,0x89,0x6A,0x00,0x00, 0x80,0x7E,0x10,0x3F,0x44,0x44,0x40,0x4F,0x44,0x50,0x49,0x46,0x49,0x5C,0x40,0x00, /*-- 文字: 自 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x00,0xF8,0x88,0x8C,0x8A,0x89,0x88,0x88,0x88,0xF8,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0xFF,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0xFF,0x00,0x00,0x00,0x00, /*-- 文字: 己 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0xFE,0x00,0x00,0x00,0x00, 0x00,0x00,0x3F,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x78,0x00,0x00, /*-- 文字: ☆ --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x40,0xC0,0x40,0x40,0x40,0x60,0x1C,0x03,0x1C,0x60,0x40,0x40,0x40,0xC0,0x40,0x00, 0x00,0x00,0x41,0x39,0x26,0x10,0x10,0x08,0x08,0x10,0x26,0x39,0x41,0x00,0x00,0x00, /*-- 文字: ＊ --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x40,0x40,0x80,0x80,0x00,0xFC,0x00,0x80,0x80,0x40,0x40,0x00,0x00,0x00, 0x00,0x00,0x00,0x10,0x08,0x04,0x03,0x01,0x03,0x04,0x08,0x10,0x00,0x00,0x00,0x00, }; /*状态检查，LCD是否忙*/ void CheckState() {uchar dat;//状态信息（判断是否忙） RS=0; // 数据\指令选择，D/I（RS）=“L” ，表示 DB7∽DB0 为显示指令数据 RW=1; //R/W=“H” ，E=“H”数据被读到DB7∽DB0 do{DATA=0x00; EN=1; //EN下降沿 dat=DATA; EN=0; dat=0x80 & dat; //仅当第7位为0时才可操作(判别busy信号) }while(!(dat==0x00)); } /*写命令到LCD中*/ SendCommandToLCD(uchar com) {CheckState();//状态检查，LCD是否忙 RS=0; //向LCD发送命令。RS=0写指令，RS=1写数据 RW=0;//R/W=“L” ，E=“H→L”数据被写到 IR 或 DR DATA=com; //com :命令 EN=1;//EN下降沿 EN=0; } /*设置页 0xb8是页的首地址*/ void SetLine(uchar page) {page=0xb8|page; //1011 1xxx 0<=page<=7 设定页地址--X 0-7,8行为一页64/8=8，共8页 SendCommandToLCD(page); } /*设定显示开始行，0xc0是行的首地址*/ void SetStartLine(uchar startline) {startline=0xc0|startline; //1100 0000 SendCommandToLCD(startline); //设置从哪行开始：0--63，一般从0 行开始显示 } /*设定列地址--Y 0-63 ，0x40是列的首地址*/ void SetColumn(uchar column) {column=column &0x3f; //column最大值为64，越出 0=<column<=63 column= 0x40|column; //01xx xxxx SendCommandToLCD(column); } /*开关显示，0x3f是开显示，0x3e是关显示*/ void SetOnOff(uchar onoff) {onoff=0x3e|onoff; //0011 111x,onoff只能为0或者1 SendCommandToLCD(onoff); } /*写显示数据 */ void WriteByte(uchar dat) {CheckState();//状态检查，LCD是否忙 RS=1; //RS=0写指令，RS=1写数据 RW=0;////R/W=“L” ，E=“H→L”数据被写到 IR 或 DR DATA=dat;//dat:显示数据 EN=1; //EN下降源 EN=0; } /*选择屏幕screen: 0-全屏,1-左屏,2-右屏*/ void SelectScreen(uchar screen) {switch(screen) {case 0: cs1=1;//全屏 cs2=1; break; case 1: cs1=1;//左屏 cs2=0; break; case 2: cs1=0;//右屏 cs2=1; break; } } /*清屏screen: 0-全屏,1-左屏,2-右屏*/ void ClearScreen(uchar screen) {uchar i,j; SelectScreen(screen); for(i=0;i<8;i++) //控制页数0-7，共8页 {SetLine(i); SetColumn(0); for(j=0;j<64;j++) //控制列数0-63，共64列 {WriteByte(0x00);} //写点内容，列地址自动加1 } } /*延时程序*/ void delay(uint z) {uint i,j; for(i=0; i<z; i++) for(j = 0; j < 110; j++); } /*初始化LCD*/ void InitLCD() {CheckState(); SelectScreen(0); SetOnOff(0); //关显示 SelectScreen(0); SetOnOff(1); //开显示 SelectScreen(0); ClearScreen(0);//清屏 SetStartLine(0); //开始行:0 } /*显示全角汉字*/ void Display(uchar ss,uchar page,uchar column,uchar number) {int i; //选屏参数，page选页参数，column选列参数，number选第几汉字输出 SelectScreen(ss); column=column&0x3f; SetLine(page); //写上半页 SetColumn(column); //控制列 for(i=0;i<16;i++) //控制16列的数据输出 {WriteByte(Hzk[i+32*number]);} //i+32*number汉字的前16个数据输出 SetLine(page+1); //写下半页 SetColumn(column); //控制列 for(i=0;i<16;i++) //控制16列的数据输出 {WriteByte(Hzk[i+32*number+16]);}//i+32*number+16汉字的后16个数据输出 } /*显示半角汉字和数字和字母 void Displayen(uchar ss,uchar page,uchar column,uchar number) {uint i;//选屏参数，pagr选页参数，column选列参数，number选第几汉字输出 SelectScreen(ss); column=column&0x3f; SetLine(page); //写上半页 SetColumn(column); for(i=0;i<8;i++) {WriteByte(Ezk[i+16*number]);} SetLine(page+1); //写下半页 SetColumn(column); for(i=0;i<8;i++) {WriteByte(Ezk[i+16*number+8]);} }*/ /*主函数*/ void main() {uint i,j,n=0; InitLCD();//初始12864 while(1) {for(i=0;i<2;i++)//显示边上的☆和＊ {for(j=1;j<3;j++) {Display(j,0,i*32+n*16,8); Display(j,6,i*32+(!n)*16,8); Display(j,0,i*32+(!n)*16,9); Display(j,6,i*32+n*16,9); } } Display(1,4-2*n,0,8); Display(2,2+2*n,48,8); Display(1,2+2*n,0,9); Display(2,2+2*(!n),48,9); //显示汉字 for(i=0;i<2;i++) {Display(1,2,32+i*16,i);/*Display(选屏参数(cs1,cs2)，pagr选页参数，column选列参数，number选第几汉字输出)*/ Display(1,4,32+i*16,i+4); Display(2,2,0+i*16,i+2); Display(2,4,0+i*16,i+6); } n=!n; delay(255); delay(255); } }