求助stc90驱动RC632读卡器问题

只看该作者 · 2014-5-5 22:19

我用stc90单片机驱动RC632读卡器，现在在配置RC632时出现INTERFACEERR错误，求大神们指教啊，我刚从事射频领域，不太懂。

只看该作者 · 2014-5-5 22:28

这是我的程序：
void main（void）
{
  init();          //初始化
  while (1)
  {
  cmd_execution();  //IC卡处理函数
  }
}

void init(void)
{
RC632RST=0;          //复位RC632
ET2 = 0;          //禁止T2中断
T2CON = 0x04; //启动定时器
      PCON = 0x80;       //µçÔ´¿ØÖÆ¼Ä´æÆ÷£¬Ê¹´®ÐÐÍ¨Ñ¶·½Ê½1£¬2£¬3µÄ²¨ÌØÂÊ¼Ó±¶
      SCON = 0x70;       //·½Ê½1Í¨Ñ¶¼°8Î»UART£¬²¢ÇÒÔÊÐí´®ÐÐ½ÓÊÜ
      TMOD = 0x21;       //¼ÆÊýÆ÷1Îª8Î»×Ô¶¯ÖØ×°ÔØ¶¨Ê±Æ÷£¬¼ÆÊýÆ÷T0Îª16Î»£»TMOD = 0x22;

TH1 = BAUD_9600; //ÉèÖÃT1¼ÆÊý³£Êý£¬¼ÆÊý¸ß×Ö½Ú
TL1 = TH1; //ÉèÖÃT1¼ÆÊý³£Êý£¬¼ÆÊýµÍ×Ö½Ú
TR1 = TRUE;    //Æô¶¯¶¨Ê±/¼ÆÊýÆ÷1¼ÆÊý£»²¨ÌØÂÊ·¢ÉúÆ÷

TH0 = 0x60; //ÉèÖÃT0¼ÆÊý³£Êý£¬¼ÆÊý¸ß×Ö½Ú
      TL0 = 0x60; //ÉèÖÃT0¼ÆÊý³£Êý£¬¼ÆÊýµÍ×Ö½Ú
      TR0 = 0; //½ûÖ¹T0¼ÆÊý

      ET0=0; //½ûÖ¹T0ÖÐ¶Ï
ET1=0; //½ûÖ¹T1ÖÐ¶Ï
EA=1; //CPU×ÜÖÐ¶ÏÔÊÐí
EX0=1; //Íâ²¿ÖÐ¶Ï0ÔÊÐí
IT0 = 1; //P3.2Òý½ÅÏÂ½µÑØ´¥·¢ÖÐ¶Ï
TR2=0; //Í£Ö¹¶¨Ê±Æ÷2
ES = TRUE; //´®ÐÐ¿ÚÖÐ¶ÏÔÊÐí
CmdValid=0; //ÃüÁîÓÐÐ§±êÖ¾
delay_10ms(30); //
delay_10ms(30);       //
MfConfig(); //ÅäÖÃRC632
}

void cmd_execution(void)
{
unsigned char cmd;
unsigned char status;
cmd = RevBuffer[0];

switch(cmd)
{
case 1:
// Halt the card    //ÖÕÖ¹¿¨µÄ²Ù×÷
status=M500PiccHalt();
RevBuffer[0]=1;
RevBuffer[1]=status;
break;
case 2:
// Request,Anticoll,Select,return CardType(2 bytes)+CardSerialNo(4 bytes)
      // Ñ°¿¨£¬·À³åÍ»£¬Ñ¡Ôñ¿¨ ·µ»Ø¿¨ÀàÐÍ£¨2 bytes£©+ ¿¨ÏµÁÐºÅ(4 bytes)
status=M500PiccCommonRequest(RevBuffer[1],&RevBuffer[2]);
if(status!=0)
{
status=M500PiccCommonRequest(RevBuffer[1],&RevBuffer[2]);
if(status!=0)
{
RevBuffer[0]=1;
RevBuffer[1]=status;
P2 &=0xc7;    //ÏÔÊ¾Ã»ÓÐ¿¨Æ¬
break;
}
}
if(RevBuffer[2]==2)
cardtype=mifarepro;    // Mifare Pro ¿¨
else if(RevBuffer[2]==4)
cardtype=mifare1;    // Mifare One ¿¨
else if(RevBuffer[2]==16)
cardtype=mifarelight; // Mifare Light ¿¨
else
cardtype=unknowncard;
RevBuffer[0]=3;
RevBuffer[1]=status;
         P2 &=0xc7;    //ÏÔÊ¾Ã»ÓÐ¿¨Æ¬
break;

case 3:
            // ·À³åÍ» ¶Á¿¨µÄÏµÁÐºÅ MLastSelectedSnr//
status = M500PiccCascAnticoll(0,&RevBuffer[2]);
if(status!=0)
{
RevBuffer[0]=1;
RevBuffer[1]=status;
P2 &=0xc7;    //ÏÔÊ¾Ã»ÓÐ¿¨Æ¬
break;
}
memcpy(MLastSelectedSnr,&RevBuffer[2],4);
RevBuffer[0]=5;
RevBuffer[1]=status;

break;
case 4:
      // Ñ¡Ôñ¿¨ Select Card
status=M500PiccCascSelect(MLastSelectedSnr,&RevBuffer[2]);
if(status!=MI_OK)
{
RevBuffer[0]=1;
RevBuffer[1]=status;
break;
}
RevBuffer[0]=3;
RevBuffer[1]=status;
break;
case 5:
      // Key loading into the MF RC500's EEPROM
      // Ð£Ñé¿¨ÃÜÂë(E2)
status=M500PiccAuthE2(RevBuffer[1],MLastSelectedSnr,RevBuffer[2],RevBuffer[3]);
RevBuffer[0]=1;
RevBuffer[1]=status;
break;
case 6:
         // Key loading into the MF RC500's EEPROM
      // ÏÂÔØÃÜÂë(E2)
status=M500PcdLoadKeyE2(RevBuffer[1],RevBuffer[2],&RevBuffer[3]);
RevBuffer[0]=1;
RevBuffer[1]=status;

break;
case 7:
      // Authentication with direct key loading from the uC
      // Ö±½ÓÐ£ÑéÃÜÂë
memcpy(&RevBuffer[9],&RevBuffer[3],6);
M500HostCodeKey(&RevBuffer[9],&RevBuffer[3]);
status=M500PiccAuthKey(RevBuffer[1],MLastSelectedSnr,&RevBuffer[3],RevBuffer[2]);
RevBuffer[0]=1;
RevBuffer[1]=status;
break;
case 8:
      // Read the mifare card
      // ¶Á¿¨
status=M500PiccRead(RevBuffer[1],&RevBuffer[2]);
if(status==0)
{
if(cardtype==mifare1||cardtype==mifarepro)
RevBuffer[0]=17;
else if(cardtype==1)
RevBuffer[0]=9;
else
RevBuffer[0]=16;
}
else
{
      RevBuffer[0]=1;
}
RevBuffer[1]=status;
break;
case 9:
         // Write the mifare card
         // Ð´¿¨  ÏÂÔØÃÜÂë
if(status=M500PiccWrite(RevBuffer[1],&RevBuffer[2])==0)
RevBuffer[0]=1;
RevBuffer[1]=status;
break;
case 10:
status = M500PiccValue(RevBuffer[1],RevBuffer[2],&RevBuffer[3],RevBuffer[7]);
RevBuffer[0]=1;
RevBuffer[1]=status;
break;
case 12:
         // ²ÎÊýÉèÖÃ
RevBuffer[0]=1;
RevBuffer[1]=0;
break;
}
}

char MfConfig(void)
{
char status=MI_OK;

M500PcdConfig();
return status;
}

char M500PcdConfig(void)
{
char idata status;

if ((status = M500PcdReset()) == MI_OK)
{
      WriteIO(RegClockQControl,0x00);
      WriteIO(RegClockQControl,0x40);
      delay_50us(2);
      ClearBitMask(RegClockQControl,0x40);
      WriteIO(RegBitPhase,0xAD);
      WriteIO(RegRxThreshold,0xFF);
      WriteIO(RegRxControl2,0x01);
      WriteIO(RegFIFOLevel,0x1A);
      WriteIO(RegTimerControl,0x02);
      WriteIO(RegIRqPinConfig,0x03);
      M500PcdRfReset(1);
}
return status;
}