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📄 12864bk.lst

📁 51单片机实验例程
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📖 第 1 页 / 共 3 页
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C51 COMPILER V7.10   12864BK                                                               08/02/2009 18:45:50 PAGE 4   

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 227          0x00,0x00,0xFF,0xFE,0x00,0x00,0x70,0x00,0x00,0xE0,0x07,0x01,0xFC,0x78,0xFF,0x00,
 228          0x00,0x00,0xE0,0x1E,0x00,0x00,0x70,0x00,0x00,0xE0,0x07,0x00,0x7F,0xE0,0x3F,0x00,
 229          0x00,0x00,0xC0,0x1C,0x00,0x00,0x70,0x00,0x00,0xC0,0x07,0x00,0x37,0x80,0x0C,0x00,
 230          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 231          0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,
 232          0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,
 233          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
 234          
 235          };
 236          /*******************************************************************/
 237          /*                                                                 */
 238          /*  延时函数                                                       */
 239          /*                                                                 */
 240          /*******************************************************************/
 241          void delay(int ms)
C51 COMPILER V7.10   12864BK                                                               08/02/2009 18:45:50 PAGE 5   

 242          {
 243   1          while(ms--)
 244   1              {
 245   2            uchar i;
 246   2                for(i=0;i<150;i++)  
 247   2                 {
 248   3                  _nop_();                       
 249   3                      _nop_();
 250   3                      _nop_();
 251   3                      _nop_();
 252   3                 }
 253   2              }
 254   1      }       
 255          /*******************************************************************/
 256          /*                                                                 */
 257          /*  延时函数                                                       */
 258          /*                                                                 */
 259          /*******************************************************************/
 260          void delay1(int ms)
 261          {
 262   1          while(ms--)
 263   1              {
 264   2            uchar y;
 265   2                for(y=0;y<100;y++) ; 
 266   2              }
 267   1      }                       
 268          /*******************************************************************/
 269          /*                                                                 */
 270          /*检查LCD忙状态                                                    */
 271          /*lcd_busy为1时,忙,等待。lcd-busy为0时,闲,可写指令与数据。      */
 272          /*                                                                 */
 273          /*******************************************************************/
 274          bit lcd_busy()
 275           {                          
 276   1          bit result;
 277   1          LCD_RS = 0;
 278   1          LCD_RW = 1;
 279   1          LCD_EN = 1;
 280   1          delayNOP();
 281   1          result = (bit)(P0&0x80);
 282   1          LCD_EN = 0;
 283   1          return(result); 
 284   1       }
 285          /*******************************************************************/
 286          /*                                                                 */
 287          /*写指令数据到LCD                                                  */
 288          /*RS=L,RW=L,E=高脉冲,D0-D7=指令码。                             */
 289          /*                                                                 */
 290          /*******************************************************************/
 291          void lcd_wcmd(uchar cmd)
 292          {                          
 293   1         while(lcd_busy());
 294   1          LCD_RS = 0;
 295   1          LCD_RW = 0;
 296   1          LCD_EN = 0;
 297   1          _nop_();
 298   1          _nop_(); 
 299   1          P0 = cmd;
 300   1          delayNOP();
 301   1          LCD_EN = 1;
 302   1          delayNOP();
 303   1          LCD_EN = 0;  
C51 COMPILER V7.10   12864BK                                                               08/02/2009 18:45:50 PAGE 6   

 304   1      }
 305          /*******************************************************************/
 306          /*                                                                 */
 307          /*写显示数据到LCD                                                  */
 308          /*RS=H,RW=L,E=高脉冲,D0-D7=数据。                               */
 309          /*                                                                 */
 310          /*******************************************************************/
 311          void lcd_wdat(uchar dat)
 312          {                          
 313   1         while(lcd_busy());
 314   1          LCD_RS = 1;
 315   1          LCD_RW = 0;
 316   1          LCD_EN = 0;
 317   1          P0 = dat;
 318   1          delayNOP();
 319   1          LCD_EN = 1;
 320   1          delayNOP();
 321   1          LCD_EN = 0; 
 322   1      }
 323          /*******************************************************************/
 324          /*                                                                 */
 325          /*  LCD初始化设定                                                  */
 326          /*                                                                 */
 327          /*******************************************************************/
 328          void lcd_init()
 329          { 
 330   1          LCD_PSB = 1;         //并口方式
 331   1          
 332   1              LCD_RST = 0;             //液晶复位
 333   1          delay(3);                   
 334   1          LCD_RST = 1;      
 335   1          delay(3);
 336   1          
 337   1          lcd_wcmd(0x34);      //扩充指令操作
 338   1          delay(5);
 339   1          lcd_wcmd(0x30);      //基本指令操作
 340   1          delay(5);
 341   1          lcd_wcmd(0x0C);      //显示开,关光标
 342   1          delay(5);
 343   1          lcd_wcmd(0x01);      //清除LCD的显示内容
 344   1          delay(5);
 345   1      }
 346          /*********************************************************/
 347          /*                                                       */
 348          /* 设定显示位置                                          */
 349          /*                                                       */
 350          /*********************************************************/
 351          void lcd_pos(uchar X,uchar Y)

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