BYTE MakeConversionTable(BYTE RowKeyCode);        //converting keykode from keyboard to PC format
BYTE CoverKey(BYTE GetKeyCode);
BYTE DCoverKey(BYTE GetCKeyCode);
BYTE keycode[8] = {0, 0, 0, 0, 0, 0, 0, 0};  //keykode array which we write to USB. 3 byte is Keykode, 0 - modifier
/////////////////////////////////////////////////////////////////////////////////////////////////

int i,j,k,f_t,loop,loop1,loop2,temp_loop=0,send_bit;

BYTE Ack=0;
BYTE WeiZhi=0;
/////////////////////////////////////////////////////////////////////////////////////////
/* setup a 2 byte I2C buffer */  
//BYTE    rxBuffer[2] = {0xFF, 0x00};  
//BYTE i = 0;
BYTE Key;
BYTE CKey;
BYTE OldKey;
////////////////////
//char tab0[]={0xCC,0XEC,0XBD,0XF2,0xbf,0xc2,0xb6,0xd9}; //tian jin ke dun
//char tab0[]={0xD1 ,0xAA ,0xD1 ,0xB9 ,0xBC ,0xC6 ,0xCA ,0xE4 ,0xC8 ,0xEB ,0xBC ,0xFC ,0xC5 ,0xCC};

char tab0[]={0xB1,0xEA,0xD7,0xBC ,0xCA ,0xE4 ,0xC8 ,0xEB ,0xBC ,0xFC ,0xC5 ,0xCC};//shu ru jian pan
char tab1[]={0x57,0x61,0x69,0x74,0x20,0x46,0x6f,0x72,0x20,0x50,0x63};//Wiat For  Pc
char tab2[]={0x47,0x65,0x74,0x20,0x50,0x63,0x20,0x4e,0x6f,0x77,};   //Get PC Now
char tab3[]={0x20,0x46,0x6c,0x75,0x78,0x3a};   //Flux
char tab4[]={0x20,0x54,0x65,0x6d,0x70,0x3a};   //Temp
char tab5[]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39};//0123456789
char tab6[]={0x20,0x20,0x73,0x63,0x63,0x6d};   //sccm
char tab7[]={0x20,0x20,0x20,0x20,0x27,0x43};    //temp unit

void delay()
{
  int j;
  for(i=0;i<100;i++)
  {for(j=0;j<100;j++)
   ;
}
}


void chk_busy()       //judge the LCD busy?
{
  PRT4DR=0X0FF;
  LED_1_Switch(0);
  LED_2_Switch(1);
  LED_3_Switch(1);
  //for(i=0;i<1000;i++) ;
  while((PRT4DR&0X80)!=0);
  LED_3_Switch(0);
  
}

void send_instruction(char data)
{
  chk_busy();
  LED_1_Switch(0);
  LED_2_Switch(0);
  PRT4DR=data;
  LED_3_Switch(1);
  LED_3_Switch(0);
}


void send_data(char data)
{
   chk_busy();
    LED_1_Switch(1);
    LED_2_Switch(0);
    PRT4DR=data;
    LED_3_Switch(1);
    LED_3_Switch(0);
}

void Lclear()
{
send_instruction(0x30);
for(i=0;i<100;i++) ;
send_instruction(0x01);
for(i=0;i<100;i++) ;
send_instruction(0x03);
for(i=0;i<100;i++) ;
send_instruction(0x06);
for(i=0;i<100;i++) ;
send_instruction(0x0e);
for(i=0;i<100;i++) ;
}

void initi()
{
LED_1_Start();
LED_2_Start();
LED_3_Start();
LED_4_Start();
LED_4_Switch(0);
delay();
delay();
LED_4_Switch(1);

chk_busy();

send_instruction(0x30);
for(i=0;i<100;i++) ;
send_instruction(0x01);
for(i=0;i<100;i++) ;
send_instruction(0x03);
for(i=0;i<100;i++) ;
send_instruction(0x06);
for(i=0;i<100;i++) ;
send_instruction(0x0e);
for(i=0;i<100;i++) ;

   send_instruction(0x91);     //biao jun shu ru jian pan
   for(i=0;i<100;i++) ;
    for(k=0;k<12;k++)
   {
    send_data(tab0[k]);
    for(i=0;i<100;i++) ;
   }
    send_instruction(0x89);     //shu ru jian pan
   for(i=0;i<100;i++) ;
    for(k=0;k<11;k++)
   {
    send_data(tab1[k]);
    for(i=0;i<100;i++) ;
   }
}///////////////////////////////////////////////

                               
void main(void)
{  
  initi();   
   M8C_EnableGInt;
   USBFS_Start(0, USB_5V_OPERATION); //Start USBFS Operation using device 0 and with 5V operation   
  
  while(1)
  {            
  while (!USBFS_bGetConfiguration())//Wait for Device to enumerate         
                USBFS_LoadInEP(1, keycode, 8, USB_NO_TOGGLE);
       Lclear();
         //display Get Pc Now!
   send_instruction(0x81);     //shu ru jian pan
   for(i=0;i<100;i++);
   for(k=0;k<11;k++)
   {
send_data(tab2[k]);
for(i=0;i<100;i++) ;
}
   
  //   send_instruction(0x88);   
  while(1)  
    {  
      while(!USBFS_bGetEPAckState(1));    //Wait for ACK before loading data         
          USBFS_LoadInEP(1, keycode, 8, USB_TOGGLE);  
          
            Key=CoverKey(bReadKeypad()); //get key
            CKey=DCoverKey(Key); //cover key to lcd
          //---------------------------- //send the originality num
           send_instruction(0x88);
          // send_data(Key);          
          // for(i=0;i<100;i++);
            //----------------------------// send num to lcd can display
            CKey=DCoverKey(Key);
            send_data(CKey);          
            for(i=0;i<100;i++);       
            keycode[2] = Key;  
            
              }
         }
       
  }