liujiahong888888 

 送大家一段程序
unsigned char xdata write_command_address _at_ 0xe0ff;
unsigned char xdata busy _at_ 0xe7ff;
unsigned char bdata busybyte;
sbit busybit=busybyte^7 ;
unsigned char xdata write_data_address _at_ 0xe8FF;
unsigned char xdata read_data_address _at_ 0xefff;

void command_write(char x){write_command_address=x;
                           busybyte=busy;                      
                           while(busybit){busybyte=busy;}
                           }
void data_write(char y){write_data_address=y;
                        busybyte=busy;
                        while(busybit){busybyte=busy;}
                        }

/*void delay()
           { int x,y;
           x=10;
          while(x)
                {for(y=0;y  <1000;y++){;}  
                    x=x-1;
                    }
             }*/
             
void initial_12864(){ command_write(0x30);  //不调用扩充指令
                      command_write(0x04);  //点设定，游标向右移
                      command_write(0x0f);  //开光标
                      command_write(0x0c);  //关光标
                      command_write(0x01);  //清屏
                      command_write(0x02);  //地址归位，光标移到第1行第1列
                    }
                    
void setcursor(unsigned char position){
                                 command_write(position);
                                 
                                 
                                 }

发表时间:2007年5月30日12:04:32