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本人在新手,刚接触LCD12864的编程,在使用LCD显示汉字时,是可以的,但是当使用LCD显示图片时,出现了乱码,如下图所示 以下是我的程序: #include #include #define uint unsigned int //定义一下方便使用 #define uchar unsigned char //定义一下方便使用 #define DATA P1 //LCD12864数据线 ***it RS=P2^2; // 数据指令 D、I 选择 ***it RW=P2^1; // 读写 选择 R、W ***it EN=P2^0; // 读写使能 ***it cs1=P2^4; // 片选1 ***it cs2=P2^3; // 片选2 /********************************/ /* 定义图形字库 */ uchar code Hzk[]={ 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, 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, 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, 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, 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, 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, 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, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x0F,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x1F,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0xFF,0xC3,0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,0x66,0x19,0x8C,0x31, 0x00,0x3F,0xFF,0xC3,0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,0x66,0x19,0x8C,0x31, 0x00,0x3F,0xFE,0x01,0xFE,0x02,0x39,0x00,0x06,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31, 0x00,0x3F,0xF8,0x00,0xFE,0x07,0x31,0x80,0xFC,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31, 0x00,0x3F,0xF0,0x00,0xFE,0x06,0x31,0x80,0x78,0x00,0xC0,0x0C,0x66,0x1D,0xDC,0x31, 0x00,0x3F,0xE0,0x01,0xFE,0x06,0x31,0x80,0x30,0x00,0xC0,0x0C,0x00,0x19,0xCC,0x30, 0x00,0x3F,0xC0,0x03,0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,0x00,0x18,0x8C,0x00, 0x00,0x3F,0xC0,0x03,0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,0x00,0x18,0x8C,0x00, 0x00,0x3F,0xC0,0x3F,0xFE,0x06,0x31,0x80,0x38,0x00,0xC0,0x3D,0x18,0x19,0x8C,0x0C, 0x00,0x3F,0x80,0x7F,0xFE,0x06,0x31,0x80,0x38,0x00,0xE0,0x3D,0x18,0x19,0x8C,0x1C, 0x00,0x3F,0x80,0xFF,0xFE,0x06,0x31,0x80,0x18,0x00,0xE0,0x3D,0x18,0x19,0x8C,0x3C, 0x00,0x3F,0x81,0xF3,0xFE,0x07,0x31,0x80,0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C, 0x00,0x3F,0x81,0xF3,0xFE,0x07,0x31,0x80,0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C, 0x00,0x3F,0x03,0xC1,0xFE,0x00,0x30,0x00,0x30,0x00,0xE0,0x3F,0x18,0x18,0x00,0x0C, 0x00,0x3F,0x03,0xC0,0xFE,0x00,0x30,0x01,0xF0,0x00,0xE0,0x35,0x18,0x1C,0x00,0x0C, 0x00,0x3F,0x03,0x80,0xFE,0x00,0x3C,0x80,0x00,0x00,0xE0,0x0C,0x18,0x0C,0x00,0x18, 0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0xC0,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x01,0xC1,0xFE,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0x00,0x3F,0x81,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0x7F,0xFE,0x00,0x00,0x00,0x00,0x00,0x08,0x08,0x00,0x00,0x00,0x00, 0x00,0x3F,0xC0,0x0F,0xFE,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00, 0x00,0x3F,0xE0,0x01,0xFE,0x01,0x01,0x80,0x00,0x60,0x10,0xD0,0x00,0x00,0x00,0x00, 0x00,0x3F,0xF0,0x01,0xFE,0x04,0x44,0x4C,0x89,0xB1,0x93,0x70,0x00,0x00,0x00,0x00, 0x00,0x3F,0xF8,0x00,0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30,0x78,0xE3,0xF8,0x3C, 0x00,0x3F,0xF8,0x00,0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30,0x78,0xE3,0xF8,0x3C, 0x00,0x3F,0xFC,0x01,0xFE,0x0F,0xCF,0xC5,0xF2,0x12,0x24,0x30,0x81,0x16,0x48,0x60, 0x00,0x3F,0xFF,0x01,0xFE,0x08,0x08,0x06,0x62,0x12,0x24,0x20,0x82,0x14,0x88,0x40, 0x00,0x3F,0xFF,0xFF,0xFE,0x08,0x08,0x06,0x63,0x26,0x26,0x60,0x83,0x24,0x88,0x40, 0x00,0x0F,0xFF,0xFF,0xFE,0x07,0x07,0x04,0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39, 0x00,0x0F,0xFF,0xFF,0xFE,0x07,0x07,0x04,0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39, 0x00,0x07,0xFF,0xFF,0xFC,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, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, }; /*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下降源 _nop_(); //一个时钟延时 dat=DATA; EN=0; dat=dat>>7; //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下降源 _nop_(); _nop_(); 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= 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 _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 { 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 } /*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); SendCommandToLCD(0xc0+i); cs2=1; // 片选2 delay(100); } } /*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 } /*显示单屏幕一页*/ void Display(uchar ss,uchar page,uchar column,uchar number) { int i; //ss 选屏参数,page 选页参数,column选列参数 number 区块 共计8页×2屏幕=16 取值0~15 SelectScreen(ss); column=column&0x3f; SetLine(page); // SetColumn(column); //控制列 for(i=0;i<64;i++) //控制64列的数据输出 { WriteByte(Hzk[i+64*number]); //64个数据输出 } } /*主函数*/ void main() { uint i; InitLCD();//初始12864 ClearScreen(0);//清屏 SetStartLine(0);//显示开始行 while(1) { /*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)*/ for(i=0;i<8;i++) { Display(2,i,0,i); //左屏幕 i页,0列 i块 _nop_(); } for(i=0;i<8;i++) { Display(1,i,0,i+8); //右屏幕 i页,0列 i+8块 _nop_(); } //delay(5000);// 停住 // lcd_rol(); //滚动 } /*这里用做滚动显示*/ /* while(1) { lcd_rol(); delay(1000); }*/ } 请各位大侠帮忙,我试着修改过使用字模软件将图片生成数码,然后替换以上的图片数码,但是还是显示乱码,请大侠帮忙解答,谢谢! |
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8个回答
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有条件的话 请不要使用 proteus 到了实际 很出问题
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仿真和实际是有区别的,有的时候很弄不懂使用仿真可以出来的,在实物中却显示不出来,是什么原因,都不知道 |
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亲,两种显示模式,字符模式和绘图模式。
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自己研究呀
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程序有问题,自己好好研究研究
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{:1:}{:1:}{:1:}
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想要求文字的程序可以么,最近也在弄这个
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