supwisdom/sp_card.c

#include "../nec_apdu.h"
#include "sp_des.h"
#include "sp_constant.h"
#include "sp_util.h"
#include "sp_card.h"

static uint8* prcv_buff = NULL;
static uint8 rcv_len = 0;

uint16 sp_select_sfi(uint8 sfi[2])
{
  uint16 ret;
  uint8  cmd_buff[10];

  cmd_buff[0] = 0x00; //CLA
  cmd_buff[1] = 0xA4; //INS
  cmd_buff[2] = 0x00; //P1
  cmd_buff[3] = 0x00; //P2
  cmd_buff[4] = 0x02; //Lc
  memcpy(cmd_buff + 5, sfi, 2);

  ret = card_cpu_exchange(cmd_buff, 2 + 5, 0, &prcv_buff, &rcv_len);
  if(ret != RETCODE_OK)
  {
    return ret;
  }
  return 0;
}

uint16 sp_select_adf(void)
{
  uint16 ret;
  uint8  cmd_buff[] = {"\x00\xA4\x04\x00\x0F\xD1\x56\x00\x00\x01\xBD\xF0\xCA\xCB\xB4\xEF\xD6\xA7\xB8\xB6"};
  ret = card_cpu_exchange(cmd_buff, sizeof(cmd_buff) - 1, 0, &prcv_buff, &rcv_len);
  if(ret != RETCODE_OK)
  {
    return ret;
  }
  return 0;
}

uint8 sp_card_request(sp_card_t* cardpcd)
{

  uint8 sak;
  uint8 snr[8];

  if(!card_request(&sak, snr))
  {
    if((sak & 0x20))
    {
      if(!card_cpu_mode())
      {
        Delay_ms(200);
		if(sp_select_sfi("\x3f\x00") == 0)
        {
          sp_select_adf();
          cardpcd->cardphyid[0] = snr[3];
          cardpcd->cardphyid[1] = snr[2];
          cardpcd->cardphyid[2] = snr[1];
          cardpcd->cardphyid[3] = snr[0];
          cardpcd->cardtype = TAG_TYPE_CPU;
          return 0;
        }
      }
    }
    else
    {
      cardpcd->cardtype = TAG_TYPE_UNKONWN;
	  return 1;
    }
  }
  return 1;
}

int8 sp_check_cpu_exist(void)
{
  return card_cpu_exist();
}

static uint16 sp_cpu_read(sp_card_t* card)
{
  uint16 ret = 0;
  MEMCLEAR(card->citizen_cardno, sizeof(card->citizen_cardno));
  MEMCPY(card->expiredate, "\x20\x22\x08\x02", 4);
  return ret;
}

uint16 sp_card_read(sp_card_t* card)
{
  switch(card->cardtype)
  {
  case TAG_TYPE_CPU:
    return sp_cpu_read(card);
  default:
    return 1;
  }
}