scib_lib.c

atmel c5122 USB C51程序

}

/*F**************************************************************************
* NAME: scib_hw_cardclk_off 
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* reset the bit CLK in SCCON
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_cardclk_off(void)
{
  Scib_hw_clear_SCRS();
  SCCON &= (~MSK_SCCON_CLK);
}

/*F**************************************************************************
* NAME: scib_hw_vcard_ok 
*----------------------------------------------------------------------------
* PARAMS: none
* return: TRUE/FALSE if VCARD is OK/NOK
*----------------------------------------------------------------------------
* PURPOSE: 
*  Check if power of card is within the voltage range
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
Uchar scib_hw_vcard_ok(void)
{
  Scib_hw_clear_SCRS();

  if (MSK_SCISR_VCARDOK == (SCISR & MSK_SCISR_VCARDOK))  
    return(TRUE);       /* VCARD is OK */
  else
    return(FALSE);      /* VCARD out of range*/
}

/*F**************************************************************************
* NAME: scib_hw_card_there 
*----------------------------------------------------------------------------
* PARAMS: none
* return: TRUE/FALSE if card is present/away
*----------------------------------------------------------------------------
* PURPOSE: 
* Check for card presence detected in the connector  
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
Uchar scib_hw_card_there(void)
{
   Scib_hw_clear_SCRS();

   /* test of Bit 6 of SCISR */
   if ((SCISR & MSK_SCISR_CARDIN) == MSK_SCISR_CARDIN)	
   {
      return(TRUE); /*card in*/      
   }
   else
   {
     /*if one measurement ko, reinit of counter*/
     return(FALSE);       
   }
}

/*F**************************************************************************
* NAME: scib_hw_cardio_on 
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* set the CARDIO bit
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_cardio_on(void)
{
  Scib_hw_clear_SCRS();
  SCCON |= MSK_SCCON_CARDIO;        /* Card I/O is put ON */
}

/*F**************************************************************************
* NAME: scib_hw_en_wait_time_count 
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* enable the waiting time counter
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_en_wait_time_count()
{
  Scib_hw_set_SCRS();  
  SCICR |= MSK_SCICR_WTEN;
}

/*F**************************************************************************
* NAME: scib_hw_dis_wait_time_count 
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* disable the waiting time counter
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_dis_wait_time_count()
{
  Scib_hw_set_SCRS();  
  SCICR &= (~MSK_SCICR_WTEN);
}

/*F**************************************************************************
* NAME: scib_hw_en_wait_time_inter 
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* enable the waiting time interrupt
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_en_wait_time_inter(void)
{
  /*enable IT*/
  EA=1;
  IEN1 |= MSK_IEN1_ESCI;

  Scib_hw_set_SCRS();  
  SCIER |= MSK_SCIER_ESCWT; /* Enables waiting time counter interrupt  */
}

/*F**************************************************************************
* NAME: scib_hw_en_receiver_inter 
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* enable the receive interrupt
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_en_receiver_inter(void)
{
  /*enable IT*/
  EA=1;
  IEN1 |= MSK_IEN1_ESCI;	

  Scib_hw_set_SCRS();  
  SCIER |= MSK_SCIER_ESCRI; /* Enables Smart Card UART Receive interrupt*/
}

/*F**************************************************************************
* NAME: scib_hw_en_inter 
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* enable the SCI interruption
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_en_inter(void)
{
  /*global IT enable*/
  EA=1;

  /*SCI IT enable*/
  IEN1 |= MSK_IEN1_ESCI;

  /*receive IT enable*/
  Scib_hw_clear_SCRS();
  SCIIR |= (~MSK_SCIIR_SCRI);

  /*transmit IT enable*/
  Scib_hw_clear_SCRS();
  SCIIR |= (~MSK_SCIIR_SCTI);
}

/*F**************************************************************************
* NAME: scib_hw_disable_car_rep 
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* disable caracter repetition if error parity
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_disable_car_rep()
{
  Scib_hw_set_SCRS();
  SCICR &= ~ MSK_SCICR_CREP;
}

/*F**************************************************************************
* NAME: scib_hw_enable_car_rep 
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* enable caracter repetition if error parity
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_enable_car_rep()
{
  Scib_hw_set_SCRS();
  SCICR |= MSK_SCICR_CREP;
}

/*F**************************************************************************
* NAME: scib_hw_enable_it_power
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* enable it error card current status and voltage
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_enable_it_power()
{
  Scib_hw_set_SCRS();
  SCIER |= (MSK_SCIER_ICARDER | MSK_SCIER_EVCARDER );
}

/*F**************************************************************************
* NAME: scib_hw_disable_it_power
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* enable it error card current status and voltage
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_disable_it_power()
{
  Scib_hw_set_SCRS();
  SCIER &= ~(MSK_SCIER_ICARDER | MSK_SCIER_EVCARDER );
}

/*F**************************************************************************
* NAME: scib_hw_enable_parity_error
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* enable it error parity
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: 
*----------------------------------------------------------------------------
* REQUIREMENTS: 
*****************************************************************************/
void scib_hw_enable_parity_error()
{
  Scib_hw_set_SCRS();
  SCIER |= MSK_SCIER_ESCPI;
}

/*F**************************************************************************
* NAME: scib_hw_enable_parity_error
*----------------------------------------------------------------------------
* PARAMS: none
* return: none
*----------------------------------------------------------------------------
* PURPOSE: 
* enable it error parity
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE: