| 
 | 1 | +#include "SPI.h"  | 
 | 2 | +#include "MFRC522.h"  | 
 | 3 | +#define SS_PIN 10  | 
 | 4 | +#define RST_PIN 9  | 
 | 5 | + | 
 | 6 | +int button_state = 0;  | 
 | 7 | +int buttonPin = 7;  | 
 | 8 | +int ledIndicator = 2;  | 
 | 9 | +int resetPin = 5;  | 
 | 10 | + | 
 | 11 | +int btn_state_pin = 3;  | 
 | 12 | +int wifi_serial_pin = 4;  | 
 | 13 | +int rfid_validation_pin = 6;  | 
 | 14 | + | 
 | 15 | + | 
 | 16 | +int doorDelay = 500;  | 
 | 17 | +long reset_timeout = 2400000;  | 
 | 18 | + | 
 | 19 | + | 
 | 20 | +MFRC522 rfid(SS_PIN, RST_PIN);  | 
 | 21 | +MFRC522::MIFARE_Key key;  | 
 | 22 | + | 
 | 23 | +int qtyOfCards = 15;  | 
 | 24 | +String registeredCards[] = {  | 
 | 25 | + "46:0C:C8:0F", //gulbahar  | 
 | 26 | + "26:B8:3C:1E", //mike  | 
 | 27 | + "A6:88:E8:21", //selbi ilmyradova  | 
 | 28 | + "23:BB:97:79", //dowletyar  | 
 | 29 | + "C6:1D:D6:21", //Merdan  | 
 | 30 | + "06:75:BC:1E", //dowlpack  | 
 | 31 | + "86:FA:DF:21", //mati  | 
 | 32 | + "6A:2B:5C:9C", //mekan  | 
 | 33 | + "66:E5:D6:21", //dayanch  | 
 | 34 | + "8A:4B:81:7F", //keychain (line)  | 
 | 35 | + "C9:CE:B1:C2", //keychain  | 
 | 36 | + "56:9B:CC:0F", // merdan (green cutted)  | 
 | 37 | + "A6:5C:37:11", // merdan (blue bus card)  | 
 | 38 | + "80:86:80:74", // Gelneje (cleaner)  | 
 | 39 | + "96:D2:CB:0F", // Bagtyyar, berkarar LANY  | 
 | 40 | + | 
 | 41 | +};  | 
 | 42 | + | 
 | 43 | + | 
 | 44 | +void setup() {  | 
 | 45 | + Serial.begin(115200);  | 
 | 46 | + SPI.begin();  | 
 | 47 | + rfid.PCD_Init();  | 
 | 48 | + | 
 | 49 | + pinMode (buttonPin,INPUT_PULLUP);  | 
 | 50 | + pinMode (ledIndicator,OUTPUT);  | 
 | 51 | + digitalWrite(resetPin,1);  | 
 | 52 | + pinMode (resetPin, OUTPUT);  | 
 | 53 | + digitalWrite(ledIndicator, 0);  | 
 | 54 | + | 
 | 55 | + pinMode (btn_state_pin, OUTPUT);  | 
 | 56 | + digitalWrite(btn_state_pin, 0);  | 
 | 57 | + pinMode (wifi_serial_pin, OUTPUT);  | 
 | 58 | + digitalWrite(wifi_serial_pin, 0);  | 
 | 59 | + pinMode (rfid_validation_pin, OUTPUT);  | 
 | 60 | + digitalWrite(rfid_validation_pin, 0);  | 
 | 61 | +}  | 
 | 62 | + | 
 | 63 | + | 
 | 64 | +void loop() {  | 
 | 65 | + buttonModule();  | 
 | 66 | + rfidModule();  | 
 | 67 | + wifiSerialModule();  | 
 | 68 | + autoResetTimeout();  | 
 | 69 | +}  | 
 | 70 | + | 
 | 71 | + | 
 | 72 | +void openDoor(){  | 
 | 73 | + digitalWrite(ledIndicator, 1);  | 
 | 74 | + delay(doorDelay);  | 
 | 75 | + digitalWrite(ledIndicator, 0);  | 
 | 76 | + delay(500); // for electrical security  | 
 | 77 | +}  | 
 | 78 | + | 
 | 79 | + | 
 | 80 | +void validateCard(String ID_key){  | 
 | 81 | + for (int i = 0; i < qtyOfCards; i++){  | 
 | 82 | + if (ID_key.indexOf(registeredCards[i]) >= 0){  | 
 | 83 | + | 
 | 84 | + Serial.println("card validated " + millis());  | 
 | 85 | + digitalWrite(rfid_validation_pin, 1);  | 
 | 86 | + openDoor();  | 
 | 87 | + Serial.println(registeredCards[i]);  | 
 | 88 | + }  | 
 | 89 | + }  | 
 | 90 | +}  | 
 | 91 | + | 
 | 92 | + | 
 | 93 | +void buttonModule(){  | 
 | 94 | + button_state = digitalRead(buttonPin);  | 
 | 95 | + if (button_state == 0){  | 
 | 96 | + Serial.println("button clicked " + millis());  | 
 | 97 | + | 
 | 98 | + digitalWrite(btn_state_pin, 1);  | 
 | 99 | + openDoor();  | 
 | 100 | + }  | 
 | 101 | +}  | 
 | 102 | + | 
 | 103 | + | 
 | 104 | +void rfidModule(){  | 
 | 105 | + if (!rfid.PICC_IsNewCardPresent() || !rfid.PICC_ReadCardSerial())  | 
 | 106 | + return;  | 
 | 107 | + | 
 | 108 | + MFRC522::PICC_Type piccType = rfid.PICC_GetType(rfid.uid.sak);  | 
 | 109 | + if (piccType != MFRC522::PICC_TYPE_MIFARE_MINI &&  | 
 | 110 | + piccType != MFRC522::PICC_TYPE_MIFARE_1K &&  | 
 | 111 | + piccType != MFRC522::PICC_TYPE_MIFARE_4K) {  | 
 | 112 | +// Serial.println(F("Your tag is not of type MIFARE Classic."));  | 
 | 113 | + return;  | 
 | 114 | + }  | 
 | 115 | + | 
 | 116 | + String ID_key = "";  | 
 | 117 | + for (byte i = 0; i < 4; i++) {  | 
 | 118 | + ID_key +=  | 
 | 119 | + (rfid.uid.uidByte[i] < 0x10 ? "0" : "") +  | 
 | 120 | + String(rfid.uid.uidByte[i], HEX) +  | 
 | 121 | + (i!=3 ? ":" : "");  | 
 | 122 | + }  | 
 | 123 | + ID_key.toUpperCase();  | 
 | 124 | + | 
 | 125 | +// Serial.print("Card key: ");  | 
 | 126 | + Serial.println(ID_key);  | 
 | 127 | + | 
 | 128 | + validateCard(ID_key);  | 
 | 129 | + | 
 | 130 | + delay(1000);  | 
 | 131 | + | 
 | 132 | + rfid.PICC_HaltA();  | 
 | 133 | + rfid.PCD_StopCrypto1();  | 
 | 134 | +}  | 
 | 135 | + | 
 | 136 | +void wifiSerialModule(){  | 
 | 137 | + String stream="";  | 
 | 138 | + if (Serial.available()!=0){  | 
 | 139 | + stream = Serial.readStringUntil('\n');  | 
 | 140 | + stream.trim();  | 
 | 141 | + if (stream.length()>0){  | 
 | 142 | + if (stream == "open_door"){  | 
 | 143 | + digitalWrite(wifi_serial_pin, 1);  | 
 | 144 | + openDoor();  | 
 | 145 | + }  | 
 | 146 | + }  | 
 | 147 | + }  | 
 | 148 | +}  | 
 | 149 | + | 
 | 150 | + | 
 | 151 | +void(* resetFunc) (void) = 0;  | 
 | 152 | + | 
 | 153 | +void autoResetTimeout(){  | 
 | 154 | + if (millis() >= reset_timeout){  | 
 | 155 | + digitalWrite(resetPin, 0);  | 
 | 156 | + Serial.println("reset called " + millis());  | 
 | 157 | + resetFunc();  | 
 | 158 | + }  | 
 | 159 | +}  | 
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