do_pwd.c

一个具体的项目程序

#include  "My_head.h"
#include  "key.h"
/*************************************************/
void  Clear_PassWord(void)
{
  memset(thekey.key_buf,0,KEY_SIZE);
  thekey.key_count=0;
}

void  Dis_PassWord(void)
{
   BYTE  buf[8],flash,i;
   buf[0]=~D_DISPLAY[24];
   buf[1]=~D_DISPLAY[25];
   flash = 0xFC;
   for(i=0;(i<thekey.key_count)&&(i<6);i++)
   {
     buf[i+2]=~D_DISPLAY[16];
	 flash <<= 1;
   }
   for(;(i<6);i++)
   {
     buf[i+2]=~D_DISPLAY[27];
   }
   Display_str(buf);

   Do_DisLed_Flash(flash,0x00,25);
}


BYTE  Pwd_Into_Consume(void)
{
  if( (thekey.key_count  != 6)
    ||(thekey.key_buf[0] != (mycard.password[0]>>4))
    ||(thekey.key_buf[1] != (mycard.password[0]&0x0f))
    ||(thekey.key_buf[2] != (mycard.password[1]>>4))
    ||(thekey.key_buf[3] != (mycard.password[1]&0x0f))
    ||(thekey.key_buf[4] != (mycard.password[2]>>4))
    ||(thekey.key_buf[5] != (mycard.password[2]&0x0f))
	)return(PWDPOWER_ERR_CODE); //操作人员密码错误；

  KeyVal_Tobuf();//must!!
  //Dis_KeyBuf();
  PostMessage(CARD_CONSUME_EVENT,0);
  return(SUCCESS);
}


BYTE  Do_PassWordKey_Even_13(BYTE Key)
{
  BYTE   i;
  if(Key > KEY_MAX-1)return(Key);
  Stop_Timer(WAIT_PRESSKEY_Tevent);
  Set_TimerEvent(WAIT_PRESSKEY_Tevent,WAIT_PRESSKEY_TIME);
  switch(Key)
    {
	 case KEY_0 : Key = 0; break;
	 case KEY_1 : Key = 1; break;
	 case KEY_2 : Key = 2; break;
	 case KEY_3 : Key = 3; break;
	 case KEY_4 : Key = 4; break;
	 case KEY_5 : Key = 5; break;
	 case KEY_6 : Key = 6; break;
	 case KEY_7 : Key = 7; break;
	 case KEY_8 : Key = 8; break;
	 case KEY_9 : Key = 9; break;
	 //case KEY_FUN:Key =19;break;
     case KEY_ENTER1:
	 case KEY_ENTER2:if((i=Pwd_Into_Consume())!=SUCCESS)
	                   {
						 do_buzzer(BUZZER_ERROR);
					     Dis_Err(i);
					 	 Stop_Timer(DISPLAY_DELAYEVENT_Tevent);//msut!!
					     Set_TimerEvent(DISPLAY_DELAYEVENT_Tevent,DISPLAY_DELAYEVENT_TIME);
					     Set_TimerEvent(WAIT_CARD_Tevent,WAIT_CARDCONSUME_TIME);//(1)
						 SetCurState(IDEL_STATUS);
						 return(FAILURE);
					   }
					 return(0);
	 case KEY_CANCEL:Renew_To_AllInit();
					 return(0);
	 case KEY_BACK:  if(!My_Back_Key())
	                   {
						do_buzzer(BUZZER_ALARM);
					    return(0);
					   }
	                 Dis_PassWord();
				     return(0);
     default:return(Key);
	}
   if((thekey.key_count>6)||!My_Save_Key(Key))do_buzzer(BUZZER_ALARM);
   else  Dis_PassWord();

   return(SUCCESS);
}