原创 液晶ocm2x8c的子程序

/***************** 液晶ocm2x8c的子程序. ***************************/

 uchar code HzTab_Array[]={  0xb1,0xb1,0xbe,0xa9,0xca,0xb1,0xbc,0xe4,  //cod=0;
                            0x20,0x20,0x32,0x30,0x20,0x20,0xc4,0xea, //北京时间：————年
                            0x20,0x20,0xd4,0xc2,0x20,0x20,0xc8,0xd5, //——月——日
                            0x20,0x20,0xca,0xb1,0x20,0x20,0xb7,0xd6, //－－时－－分
                            //cod=0x20;
                      //       0xb5,0xda,0x20,0x20,0xb1,0xed,0x3a,0x20, //第－－表： -
                    //        0xb5,0xe7,0xc1,0xf7,0x20,0x20,0x20,0x20, //电流－－ma
                    //        0xce,0xc2,0xb6,0xc8,0x20,0x20,0x63,0x20,  //温度－－c－
                    //        0xca,0xaa,0xb6,0xc8,0x20,0x20,0x25,0x20,  //湿度－－％－
                            // cod =0x20   
                             0xb5,0xda,0x20,0x20,0xb1,0xed,0x20,0x20,  // xx 表 I= 0x xx
                             0x49,0x3d,0x20,0x20,0x20,0x6d,0x41,0x20, 

                              0x54,0x3d,0x20,0x20,0x43,0x20,0x48,0x3d,  // T= xxc H= xx% --  --
                              0x20,0x20,0x25,0x20,0x5b,0x20,0x20,0x5d,

                            //cod=0x40;
                            0xb2,0xc9,0xbc,0xaf,0xc6,0xf7,0xc3,0xbb,  //采集器没有应答
                            0xd3,0xd0,0xd3,0xa6,0xb4,0xf0,0x20,0x20,
                             //cod=0x50;
                            0xb4,0xab,0xca,0xe4,0xb3,0xc9,0xb9,0xa6,  //  传输完成
                            0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,
                             //cod=0x60
                            0xb4,0xab,0xca,0xe4,0xca,0xa7,0xb0,0xdc,  //传输失                                            0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,
                             //cod=0x70
                            0xca,0xfd,0xbe,0xdd,0xb4,0xab,0xca,0xe4,  // 数据传输中。。。
                            0xd6,0xd0,0x2e,0x2e,0x2e,0x20,0x20,0x20,
                             //cod=0x80;
                            0xd2,0xaa,0xc8,0xab,0xb2,0xbf,0xc7,0xe5,  //要全部清除?
                            0xb3,0xfd,0x3f,0x20,0x20,0x20,0x20,0x20,
                             //cod=0x90;
                            0xc7,0xe5,0xb3,0xfd,0xcd,0xea,0xb3,0xc9,   // 清除完成.
                            0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,
                             //cod =0xa0;    正在擦除中
                            0xd5,0xfd,0xd4,0xda,0xb2,0xc1,0xb3,0xfd,
                            0xd6,0xd0,0x2e,0x2e,0x2e,0x20,0x20,0x20,
                             //COD =0XB0;    擦除结束
                             0xb2,0xc1,0xb3,0xfd,0xbd,0xe1,0xca,0xf8,
                             0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,

                             //cod=0xc0      传输超时.
                            0xb4,0xab,0xca,0xe4,0xb3,0xac,0xca,0xb1,
                            0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,
                             //cod=0xd0     传输中有错误.
                             0xb4,0xab,0xca,0xe4,0xd6,0xd0,0xd3,0xd0,
                             0xb4,0xed,0xce,0xf3,0x20,0x20,0x20,0x20

                             };

//***********************************************
//;判断lcm是否忙。     ;读忙状态子程序

void Chk_Busy(void)
     {
      RS="0";
      RW="1";
      LCM_E=1;
      while (P07==1);
      LCM_E=0;
     }

//**************************************************
//;write a byte to Lcm         ;写数据子程序

  void Displ(uchar i)
       {
         Chk_Busy();   //check the lcm busy
         RS="1";         // data register
         RW="0";
         _nop_();
         _nop_();
         LCM_E=1;
         P0=i;
         i="1";delay_ms(i);
         LCM_E=0;
         P0=0xFF;
        }

/*----------------------------------------------------
;写指令子程序
;----------------------------------------------------*/
void Input (uchar i)
       {
         Chk_Busy();   //check the lcm busy   ;以确保上一指令/数据模块已经接收处理完
         RS="0";         // data register
         RW="0";
         _nop_();
         _nop_();
         LCM_E=1;
         P0=i;
         i="3";
         delay_ms(i);
         LCM_E=0;
         P0=0xFF;
       }
 /**************光标左移i bit ***********************/

  void Sub_CursorLeftShift(uchar i)
       { uchar a;
       //  a="0x0f";
       //  Input(a);
        do
             { a="0x10";
               Input(a);
               a="0x20";delay_ms(a);
               i--;
             }while(i!=0);
       }
 /*************光标右移 i bit************************/
  void Sub_CursorRightShift(uchar i)
       { uchar a;
         do
              {a=0x14;
               Input(a);
               a="0x20";delay_ms(a);
               i--;
              }while(i!=0);
       }

 //****************************************************************************//

void  Word_Disp1(uchar ah,uchar f_lin,uchar f_add)   // 第几行，第几列，一行显示几个汉字，一共几行。
      {uchar s_add;                               // value  在汉字数组中的起始位置。
       uchar data w_wid;

       s_add=0;
       w_wid=0x08;

                if (f_lin==1)
                       {s_add=0x80;
                        s_add=s_add+f_add;
                        Input(s_add);
                        }
                 if (f_lin==2)
                        {s_add=f_add+0x90;
                         Input(s_add);
                        }
                 do
                        {
                         Displ(HzTab_Array[ah]);
                         ah++;
                         Displ(HzTab_Array[ah]);
                         ah++;
                         w_wid--;
                         }while(w_wid!=0);
     }

//********************************************************************

  void Lcm_Initil(void)
       {
        uchar i;
        i="5";
        delay_ms(i);

        i="0x30";
        Input(i);    // ;首先选择基本指令集

        i="4";
        delay_ms(i);

        i="0x30";
        Input(i);

        i="3";
        delay_ms(i);

        i="0x30";
        Input(i);

        i="0x01";
        Input(i);    //;指令#01H为：清除屏幕文字，把地址指针指向00H单元
        i="0x03";
        delay_ms(i);

        i="0x06";        // 整体显示不移动
        Input(i);

        i="0x03";
        delay_ms(i);     //;指定在资料写入或读取时，设定游标的移动方向及指定显示的移位

       }
     //********************************************************/