宿舍门禁读卡器

#include <RFID.h> #include <SPI.h> #include <Servo.h>

String RC; RFID rfid(10,5); unsigned char RC_size; unsigned char blockAddr; //选择操作的块地址0～63 unsigned char i,tmp; unsigned char status; unsigned char str[MAX_LEN]; Servo servo_2; char * card[]={“f08ca4a3c”,“30cfb4384”};

String RFID_readcardnum() {

rfid.readCardSerial(); String stringserNum=String(rfid.serNum[0], HEX)+String(rfid.serNum[1], HEX)+String(rfid.serNum[2], HEX)+String(rfid.serNum[3], HEX)+String(rfid.serNum[4], HEX); //选卡，返回卡容量（锁定卡片，防止多次读写） rfid.selectTag(rfid.serNum); return stringserNum; }

//4字节卡序列号，第5字节为校验字节 //新扇区A密码，16个扇区，每个扇区密码6Byte unsigned char sectorNewKeyA[16][16] = { {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xff,0x07,0x80,0x69, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xff,0x07,0x80,0x69, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},}; unsigned char serNum[5]; //写卡数据 //原扇区A密码，16个扇区，每个扇区密码6Byte unsigned char sectorKeyA[16][16] = { {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},};

void setup(){ RC = “”; Serial.begin(9600); SPI.begin(); rfid.init(); Serial.begin(9600); servo_2.attach(2); }

void loop(){ if ( rfid.isCard() ) { RC = RFID_readcardnum(); Serial.println(RC); for (int i = (0); i <= (sizeof(card)/sizeof(card[0])); i = i + (1)) { if (RC == card[(int)(i - 1)]) { servo_2.write(90); delay(1000); servo_2.write(0); delay(0);

} }

}

}