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#include
#include #define uint unsigned int #define uchar unsigned char #define Port P0 //LCD12864数据线 ***it RS=P1^0; // 数据指令 选择 ***it RW=P1^1; // 读写 选择 ***it EN=P1^2; // 读写使能 ***it cs1=P1^6; // 片选1 ***it cs2=P1^7; // 片选2 //***it RST = P1^3; /********************************/ /* 定义中文字库 */ /********************************/ uchar code Hzk[]={ /*-- 文字: 各 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0x20,0x20,0x10,0x08,0x8F,0xB4,0x44,0x44,0xA4,0x9C,0x04,0x00,0x00,0x00,0x00, 0x02,0x02,0x02,0x01,0x7F,0x42,0x42,0x42,0x42,0x42,0x42,0x7F,0x01,0x03,0x01,0x00, /*-- 文字: 位 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0xC0,0x30,0xEC,0x03,0x2A,0xC8,0x09,0x0A,0x0E,0x08,0xE8,0x48,0x08,0x00,0x00, 0x01,0x00,0x00,0x7F,0x20,0x20,0x20,0x27,0x20,0x30,0x2E,0x21,0x20,0x20,0x20,0x00, /*-- 文字: 单 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0x00,0xF8,0x28,0x29,0x2E,0x2A,0xF8,0x28,0x2C,0x2B,0x2A,0xF8,0x00,0x00,0x00, 0x08,0x08,0x0B,0x09,0x09,0x09,0x09,0xFF,0x09,0x09,0x09,0x09,0x0B,0x08,0x08,0x00, /*-- 文字: 机 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x08,0x08,0xC8,0xFF,0x48,0x88,0x08,0x00,0xFE,0x02,0x02,0x02,0xFE,0x00,0x00,0x00, 0x04,0x03,0x00,0xFF,0x00,0x41,0x30,0x0C,0x03,0x00,0x00,0x00,0x3F,0x40,0x78,0x00, /*-- 文字: 爱 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0x40,0xB2,0x96,0x9A,0x92,0xF6,0x9A,0x93,0x91,0x99,0x97,0x91,0x90,0x30,0x00, 0x40,0x20,0xA0,0x90,0x4C,0x47,0x2A,0x2A,0x12,0x1A,0x26,0x22,0x40,0xC0,0x40,0x00, /*-- 文字: 好 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x10,0x10,0xF0,0x1F,0x10,0xF0,0x80,0x82,0x82,0x82,0xF2,0x8A,0x86,0x82,0x80,0x00, 0x80,0x43,0x22,0x14,0x0C,0x73,0x20,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x00,0x00, /*-- 文字: 者 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0x20,0x24,0x24,0x24,0x24,0xA4,0xBF,0x64,0x24,0x34,0x28,0x26,0x24,0x20,0x00, 0x04,0x04,0x04,0x02,0x02,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00, /*-- 文字: 你 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x80,0x40,0xF0,0x2C,0x43,0x20,0x98,0x0F,0x0A,0xE8,0x08,0x88,0x28,0x1C,0x08,0x00, 0x00,0x00,0x7F,0x00,0x10,0x0C,0x03,0x21,0x40,0x3F,0x00,0x00,0x03,0x1C,0x08,0x00, /*-- 文字: 们 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x80,0x40,0xF0,0x1C,0x03,0xF0,0x01,0x0E,0x04,0x00,0x04,0x04,0x04,0xFC,0x00,0x00, 0x00,0x00,0x7F,0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00,0x20,0x40,0x3F,0x00,0x00, /*-- 文字: 辛 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x80,0x84,0x84,0x94,0xA4,0xC4,0x85,0x86,0x84,0xC4,0xA4,0x94,0x84,0x84,0x80,0x00, 0x00,0x04,0x04,0x04,0x04,0x04,0x04,0xFF,0x04,0x04,0x04,0x04,0x04,0x00,0x00,0x00, /*-- 文字: 苦 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x40,0x44,0x44,0x44,0x44,0x5F,0x44,0xF4,0x44,0x44,0x5F,0x44,0x44,0x44,0x44,0x00, 0x00,0x00,0x00,0x7E,0x22,0x22,0x22,0x23,0x22,0x22,0x22,0x7E,0x00,0x00,0x00,0x00, /*-- 文字: 了 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0x02,0x02,0x02,0x02,0x02,0x02,0xF2,0x12,0x0A,0x0A,0x06,0x06,0x02,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*-- 文字: 希 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x20,0x20,0x30,0x30,0xA9,0x6A,0x3A,0x24,0xE4,0x2A,0x29,0x30,0x20,0x20,0x20,0x00, 0x08,0x04,0x02,0x01,0x3F,0x01,0x01,0x01,0xFF,0x01,0x21,0x61,0x3F,0x00,0x00,0x00, /*-- 文字: 望 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x04,0x04,0xFC,0x85,0x46,0x24,0x04,0x80,0x7E,0x2A,0x2A,0xAA,0xAA,0xFE,0x00,0x00, 0x00,0x40,0x42,0x4A,0x4A,0x4A,0x4A,0x7E,0x4A,0x4A,0x4A,0x4A,0x4A,0x42,0x40,0x00, /*-- 文字: 大 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x20,0x20,0x20,0x20,0x20,0x20,0xA0,0x7F,0xA0,0x20,0x20,0x20,0x20,0x20,0x20,0x00, 0x00,0x80,0x40,0x20,0x10,0x0C,0x03,0x00,0x01,0x06,0x08,0x30,0x60,0xC0,0x40,0x00, /*-- 文字: 家 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0x18,0x04,0x14,0x94,0x94,0xD5,0xB6,0x14,0x14,0x94,0x04,0x14,0x0C,0x04,0x00, 0x00,0x29,0x29,0x15,0x14,0x4A,0x89,0x44,0x3F,0x06,0x09,0x09,0x10,0x30,0x10,0x00, /*-- 文字: 能 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x10,0xB8,0x97,0x92,0x90,0x94,0xB8,0x10,0x00,0x7F,0x48,0x48,0x44,0x74,0x20,0x00, 0x00,0xFF,0x0A,0x0A,0x4A,0x8A,0x7F,0x00,0x00,0x3F,0x44,0x44,0x42,0x72,0x20,0x00, /*-- 文字: 多 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0x00,0x00,0x20,0x90,0x88,0x54,0x53,0xA2,0x22,0x12,0x0A,0x06,0x00,0x00,0x00, 0x00,0x81,0x89,0x89,0x44,0x44,0x42,0x25,0x29,0x11,0x11,0x09,0x05,0x03,0x01,0x00, /*-- 文字: 多 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0x00,0x00,0x20,0x90,0x88,0x54,0x53,0xA2,0x22,0x12,0x0A,0x06,0x00,0x00,0x00, 0x00,0x81,0x89,0x89,0x44,0x44,0x42,0x25,0x29,0x11,0x11,0x09,0x05,0x03,0x01,0x00, /*-- 文字: 交 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0x08,0x88,0x48,0x38,0x28,0x09,0x0E,0x0C,0x08,0x98,0x28,0x68,0x48,0x08,0x00, 0x00,0x80,0x80,0x40,0x41,0x22,0x14,0x18,0x0C,0x16,0x23,0x61,0xC0,0x40,0x00,0x00, /*-- 文字: 流 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x10,0x60,0x01,0x86,0x60,0x04,0x44,0x64,0x55,0x4E,0x44,0x64,0xC4,0x04,0x04,0x00, 0x04,0x04,0xFC,0x03,0x40,0x30,0x0F,0x00,0x00,0x7F,0x00,0x3F,0x40,0x40,0x70,0x00, /*-- 文字: 学 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x40,0x30,0x10,0x12,0x5C,0x54,0x50,0x51,0x5E,0xD4,0x50,0x18,0x57,0x32,0x10,0x00, 0x00,0x02,0x02,0x02,0x02,0x02,0x42,0x82,0x7F,0x02,0x02,0x02,0x02,0x02,0x02,0x00, /*-- 文字: 习 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0x00,0x02,0x02,0x0A,0x12,0x22,0x62,0x02,0x82,0x82,0x42,0x02,0xFE,0x00,0x00, 0x00,0x00,0x04,0x0C,0x04,0x02,0x02,0x01,0x01,0x00,0x20,0x40,0x80,0x7F,0x00,0x00, /*-- 文字: 24 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, }; /****************************************/ /* 定义ASCII字库8列*16行 */ /****************************************/ uchar code Ezk[]={ /*-- 文字: Q --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00, /*-- 文字: Q --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00, /*-- 文字: 3 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00, /*-- 文字: 4 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00, /*-- 文字: 5 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00, /*-- 文字: 4 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00, /*-- 文字: 1 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00, /*-- 文字: 5 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00, /*-- 文字: 2 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00, /*-- 文字: 4 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00, /*-- 文字: 4 --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00, /*-- 文字: --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*-- 文字: --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*-- 文字: --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*-- 文字: --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*-- 文字: --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*-- 文字: --*/ /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, }; /*状态检查,LCD是否忙*/ void Checkbusy() { 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{ Port=0x00; EN=1; //EN下降源 _nop_(); //一个时钟延时 dat=Port; EN=0; dat=(0x80 & dat); }while(!(dat==0x00)); //仅当第7位为0时才可操作(判别busy信号) } /*写命令到LCD中*/ Wcmd(uchar cmd) { Checkbusy();//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 Port=cmd; //com :命令 EN=1;//EN下降源 _nop_(); _nop_(); EN=0; } /*设置页 0xb8是页的首地址*/ void Setpage(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 Wcmd(page); } /*设定显示开始行,0xc0是行的首地址*/ void Setx(uchar x) { x=0xc0|x; //1100 0000 Wcmd(x); //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 Sety(uchar y) { y=y&0x3f; //column最大值为64,越出 0= Wcmd(y); } /*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 Wcmd(onoff); } /*写显示数据 */ void Writedata(uchar dat) { Checkbusy();//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 Port=dat;//dat:显示数据 EN=1; //EN下降源 _nop_(); _nop_(); 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=0;//全屏 _nop_(); _nop_(); _nop_(); cs2=0; _nop_(); _nop_(); _nop_(); break; case 1: cs1=0;//左屏 _nop_(); _nop_(); _nop_(); cs2=1; _nop_(); _nop_(); _nop_(); break; case 2: cs1=1;//右屏 _nop_(); _nop_(); _nop_(); cs2=0; _nop_(); _nop_(); _nop_(); break; } } /*清屏screen: 0-全屏,1-左屏,2-右*/ void ClearScreen(uchar screen) { uchar i,j; SelectScreen(screen); for(i=0;i<8;i++) //控制页数0-7,共8页 { Setpage(i); Sety(0); for(j=0;j<64;j++) //控制列数0-63,共64列 { Writedata(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 } /*向上滚屏*//*这里用做滚动显示*/ /*void lcd_rol() { uint i; for(i = 0; i < 64; i++) { cs1=0; // 片选1 SendCommandToLCD(0xc0+i); cs1=1; cs2=0;// 片选2 SendCommandToLCD(0xc0+62-i); cs2=0; // 片选2 delay(6); } } */ /*初始化LCD*/ void InitLCD() { // RST=0; //delay(10); //RST=1; // delay(10); Checkbusy(); SelectScreen(0); SetOnOff(0); //关显示 SelectScreen(0); SetOnOff(1); //开显示 SelectScreen(0); ClearScreen(0);//清屏 Setx(0); //开始行:0 } /*显示全角汉字*/ void Display(uchar ss,uchar page,uchar y,uchar number) { int 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); y=y&0x3f; Setpage(page); //写上半页 Sety(y); //控制列 for(i=0;i<16;i++) //控制16列的数据输出 { Writedata(Hzk[i+32*number]); //i+32*number汉字的前16个数据输出 } Setpage(page+1); //写下半页 Sety(y); //控制列 for(i=0;i<16;i++) //控制16列的数据输出 { Writedata(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 y,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); y=y&0x3f; Setpage(page); //写上半页 Sety(y); for(i=0;i<8;i++) { Writedata(Ezk[i+16*number]); } Setpage(page+1); //写下半页 Sety(y); for(i=0;i<8;i++) { Writedata(Ezk[i+16*number+8]); } } /*主函数*/ void main() { uint i; InitLCD();//初始12864 ClearScreen(0);//清屏 Setx(0);//显示开始行 while(1) { //delay(1000); // i=0; /* // 可以单个显示 Display(2,0,0*16,0);// Display(2,0,1*16,1);// Display(2,0,2*16,2);// Display(2,0,3*16,3);// Display(1,0,4*16,4);// Display(1,0,5*16,5);// Display(1,0,6*16,6);// 可以多个显示,这里是4个一起显示*/ for(i=0;i<4;i++) { Display(2,0,i*16,i);//Display(选屏参数(cs0,cs1),pagr选页参数,column选列参数,number选第几汉字输出) _nop_(); Display(1,0,i*16,i+4); _nop_(); Display(2,0+2,i*16,i+8); _nop_(); Display(1,0+2,i*16,i+12); _nop_(); Display(2,0+2+2,i*16,i+16); _nop_(); Display(1,0+2+2,i*16,i+20); } for(i=0;i<8;i++) { Displayen(2,0+2+2+2,i*8,i); _nop_(); ; Displayen(1,0+2+2+2,i*8,i+8); } // while(1); } /*这里用做滚动显示 while(1) { lcd_rol(); delay(1000); } */ } |
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6个回答
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那应该还是你的时序没有写对。
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也就是断电后再上电就运行不了了
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比如现在可以正常显示,你就这样复位后还正常吗
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换一个单片机还是这样吗
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是不是上电没显示手动复位就又显示了?你这个是单片机上电复位时间太短造成的,复位12864前先来一个大的延时吧,
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请教楼主,问题最后怎么解决的?我现在遇见和您相同问题!
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