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/*
* --------------------------------------------------------------------------------------------------------------------
* Example to change UID of changeable MIFARE card.
* --------------------------------------------------------------------------------------------------------------------
* This is a MFRC522 library example; for further details and other examples see: [url]https://github.com/miguelbalboa/rfid[/url]
*
* This sample shows how to set the UID on a UID changeable MIFARE card.
* NOTE: for more informations read the README.rst
*
* @author Tom Clement
* @license Released into the public domain.
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*/
/*
Name: AccessSystem.ino
Created: 2016/7/10 12:22:07
Author: Fing
*/
#include <SoftwareSerial.h>
#include <Servo.h>
#include <MFRC522.h>
#include <SPI.h>
/*自定義RC522的兩個PIN口*/
#define SS_PIN 10
#define RST_PIN 9
#define BT_RX 2 //藍牙模塊端口
#define BT_TX 1
#define SERVO_PIN 6 //舵機端口
#define BUZZ_PIN 4
#define CARDS 2 //已驗證的卡片數目
MFRC522 mfrc522(SS_PIN, RST_PIN); //新建RC522對象
SoftwareSerial BT(BT_TX, BT_RX); //創建藍牙軟串口對象，避免沖突
Servo myservo; //創建舵機對象
bool isAuthed = false; //驗證是否通過
const byte AuthedID[1][4] = {0x66,0xA8,0x14,0xF9}; //可以保存多個卡片UID值
char val; //用來存儲藍牙接收數據
void setup() {
Serial.begin(9600);//串口，波特率9600
BT.begin(9600); //藍牙串口，波特率9600
myservo.attach(SERVO_PIN); //連接舵機
SPI.begin(); //初始化SPI總線
mfrc522.PCD_Init(); //初始化MFRC522卡
pinMode(BUZZ_PIN, OUTPUT); //初始化蜂鳴器
digitalWrite(BUZZ_PIN, HIGH);
myservo.write(45);
Serial.println(F("This code scan the MIFARE Classsic NUID."));
Serial.print(F("Using the following key:"));
}
// the loop function runs over and over again until power down or reset
void loop()
{
Authenticate();
if (isAuthed) {
OpenDoor();
BeepChecked();
delay(3000);
isAuthed = false;
}
CloseDoor();
isAuthed = false;
BTCheck();
delay(500);
}
//Servo開關門
void OpenDoor()
{
myservo.write(140);
}
void CloseDoor()
{
myservo.write(45);
}
//驗證卡片
void Authenticate()
{
//檢測是否有新卡片
if (!mfrc522.PICC_IsNewCardPresent() || !mfrc522.PICC_ReadCardSerial()) {
delay(50);
return;
}
//進行卡片驗證
for (byte num = 0; num < CARDS; num++) //卡片循環
{
byte i;
for (i = 0; i < mfrc522.uid.size; i++)
{
if (mfrc522.uid.uidByte[i] != AuthedID[num][i]) break;
}
Serial.println(F("The NUID tag is:"));
Serial.print(F("In hex: "));
printHex(mfrc522.uid.uidByte, mfrc522.uid.size);
Serial.println();
Serial.print(F("In dec: "));
printDec(mfrc522.uid.uidByte, mfrc522.uid.size);
Serial.println();
if (i == mfrc522.uid.size)
{
isAuthed = true; //驗證通過
break;
}
else if (num == CARDS - 1) {
BeepFailed();
}
}
}
//藍牙掃描
void BTCheck() {
if (BT.available()) {
val = BT.read();
if (val == '1') {
OpenDoor();
BeepChecked();
delay(3000);
isAuthed = false;
}
val = 0;
}
}
void BeepChecked() {
digitalWrite(BUZZ_PIN, LOW);
delay(200);
digitalWrite(BUZZ_PIN, HIGH);
}
void BeepFailed() {
digitalWrite(BUZZ_PIN, LOW);
delay(100);
digitalWrite(BUZZ_PIN, HIGH);
delay(100);
digitalWrite(BUZZ_PIN, LOW);
delay(100);
digitalWrite(BUZZ_PIN, HIGH);
}
void printHex(byte *buffer, byte bufferSize) {
for (byte a = 0; a < bufferSize; a++) {
Serial.print(buffer[a] < 0x10 ? " 0" : " ");
Serial.print(buffer[a], HEX);
}
}
/**
* Helper routine to dump a byte array as dec values to Serial.
*/
void printDec(byte *buffer, byte bufferSize) {
for (byte a = 0; a < bufferSize; a++) {
Serial.print(buffer[a] < 0x10 ? " 0" : " ");
Serial.print(buffer[a], DEC);
}
}

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