do_card.c

一个具体的项目程序

#include  "My_head.h"
#include  "carddef.h"
#include  "rfic.h"
#include  "sendcard.h"
//==============================================
#define   SEND_CARD_LED     P1_1
/***********************************************/
void  Count_Sector_PWD(BYTE  pbuf[],BYTE card_snr[4],BYTE  sector)
{
   memcpy(pbuf,Nkey_a,6);
   pbuf[0] *= card_snr[0]+sector*1;
   pbuf[1] *= card_snr[1]+sector*2;
   pbuf[2] *= card_snr[2]+sector*3;
   pbuf[3] *= card_snr[3]+sector*4;
   pbuf[4] *= pbuf[0]+sector*5;
   pbuf[5] *= pbuf[1]+sector*6;
}


BYTE   GetSEEDCardTest(SeedCard_Info  *card)
{
	BYTE  idata  tt[2];
	BYTE  idata  card_snr[4];
	BYTE  idata  bankdata[16];
	BYTE  size,err;
	int   i=0;
	//Init_Rfic();
    mifs_reset(20);
	for(i=45;--i;)
	  {
	   if(!mifs_request(ALL_CARD,tt))break;
	  }
	if(!i)return(CARD_NO_FINED);
	for(i=45;--i;)
	  {
	   if((mifs_request(IDLE_CARD,tt))!=MI_OK)continue;
	   if((mifs_anticoll(0,card_snr))!=MI_OK)continue;
	   if((mifs_select(card_snr,&size))!=MI_OK)continue;
	   break;
	  }
	if(!i)return(CARD_ERR_CODE);//return(40+err);
    Count_Sector_PWD(bankdata,card_snr,SEEDCARD_SECTOR);
	err=mifs_load_key(KEYA,SEEDCARD_SECTOR,bankdata);
    //err=mifs_load_key(KEYA,SEEDCARD_SECTOR,Nkey_b);
	if(err!=MI_OK)return(50+err);
	for(i=15;--i;)
	  {
	   if((mifs_authentication(KEYA,SEEDCARD_SECTOR))!=MI_OK)continue;
	   //if((mifs_authKey(KEYA,SEEDCARD_SECTOR,Nkey_b))!=MI_OK)continue;
	   if((mifs_read(SEED_CARD_SECT,bankdata))!=MI_OK)continue;
	   break;
	  }
	if(!i)return(CARD_ERR_CODE);//return(40+err);
    //do_buzzer(1);
    mifs_halt();
	//mifs_close();

	if(bankdata[CARD_LEVEL_DDR] != SEED_CARD)
	{
	   return(CARD_NO_SEED);
	}
    memcpy(card->unit_code,&bankdata[UNIT_CODE_ADDR],3);
    memcpy(card->unit_password,&bankdata[UNIT_PWD_ADDR],3);
	card->fuc_type=bankdata[FUC_TYPE_ADDR];
	card->fuc_sector=bankdata[FUC_SECTOR_ADDR];
    card->public_sector=bankdata[PUBLIC_SECTOR_ADDR];
    memcpy(card->date,&bankdata[SEED_DATE_ADDR],3);  //6

	return(SUCCESS);
}