Show page

Differences

This shows you the differences between two versions of the page.

--- pm:prj2023:avaduva:safebox [2023/05/29 20:36]
alexia.marinescu [Introducere]
+++ pm:prj2023:avaduva:safebox [2023/05/29 21:46] (current)
alexia.marinescu [Concluzii]
@@ Line 31: / Line 31: @@
 {{:pm:prj2023:avaduva:arhitecturamicroprocesoarelor.jpeg|}}
 ===== Hardware Design =====
- Listă de piese:
+ --- Listă de piese:---
 ● Arduino UNO
@@ Line 55: / Line 55: @@
 ● headere
-=== Poza circuit ===
+--- Poza circuit ---
-{{:pm:prj2023:avaduva:schemapmproject2.png?700}}
-===Design final===
+{{:pm:prj2023:avaduva:pozafinala1ma.jpeg|}}
-{{:pm:prj2023:avaduva:placuta-finala.jpg?700}}
+{{:pm:prj2023:avaduva:pozafinala2ma.jpeg|}}
-{{:pm:prj2023:avaduva:placuta_finala2.jpg?700}}
 ===== Software Design =====
@@ Line 66: / Line 67: @@
 <note tip>
-Descrierea codului aplicaţiei (firmware):
+// C++ code
-  * mediu de dezvoltare (if any) (e.g. AVR Studio, CodeVisionAVR)
+//
-  * librării şi surse 3rd-party (e.g. Procyon AVRlib)
-  * algoritmi şi structuri pe care plănuiţi să le implementaţi
+#include <SPI.h>
-  * (etapa 3) surse şi funcţii implementate
+#include <Servo.h>
+#include <Keypad.h>
+#include <MFRC522.h>
+#define SERVO_PIN 2
+#define LED_GREEN_PIN A3
+#define LED_RED_PIN A4
+#define BUZZER_PIN A5
+#define SDA_PIN 10
+#define RST_PIN 9
+#define WAIT 1000
+#define WARNING_BUZZ_INTERVAL 700
+#define WARNING_TIMEOUT 10000
+#define MAX_PASSWD_LENGTH 64
+Servo servo;
+const byte ROW_NUM = 4;     //four rows
+const byte COLUMN_NUM = 3;  //3 columns
+char keys[ROW_NUM][COLUMN_NUM] = {
+  { '1', '2', '3' },
+  { '4', '5', '6' },
+  { '7', '8', '9' },
+  { '*', '0', '#' }
+};
+//https :  //electropeak.com/learn/interfacing-4x3-membrane-matrix-keypad-with-arduino/
+         //byte pin_rows[ROW_NUM] = {5, 10, 9, 7}; //connect to the row pinouts of the keypad
+           //byte pin_column[COLUMN_NUM] = {6, 4, 8}; //connect to the column pinoutsof the keypad
+             byte pin_rows[ROW_NUM] = { 3, 8, 7, 5 };  //connect to the row pinouts of the keypad
+  byte pin_column[COLUMN_NUM] = { 4, A2, 6 };  //connect to the column pinouts of the keypad
+  // Init keypad
+  Keypad keypad = Keypad(makeKeymap(keys), pin_rows, pin_column, ROW_NUM,
+                         COLUMN_NUM);
+// Init RC522
+MFRC522 rc522(SDA_PIN, RST_PIN);
+String enteredPasswd;
+const String correctPasswd = "5575";
+const byte correctCodeSize = 4;
+const byte correctCode[4] = { 99, 88, 50, 25 };
+volatile int safeState;  // 0 = open, 1 = closed
+void setup() {
+  Serial.begin(9600);
+  SPI.begin();
+  rc522.PCD_Init();
+  Serial.println("Aproprie cardul..");
+  enteredPasswd = "";
+  pinMode(BUZZER_PIN, OUTPUT);
+  pinMode(LED_GREEN_PIN, OUTPUT);
+  pinMode(LED_RED_PIN, OUTPUT);
+  servo.attach(SERVO_PIN);
+  servo.write(0);
+  delay(500);
+}
+volatile int servoPos = 0;  // var to store the servo pos
+volatile bool wrongTag = false;
+volatile bool proceed = false;
+volatile bool state = 0;  // 0 = closed, 1 = open
+volatile unsigned long lastReadTime = 0;
+volatile unsigned long previousMillisBuzz = 0;
+volatile unsigned long warningStateStart = 0;
+bool checkPasswd(String enteredPasswd) {
+  int length = enteredPasswd.length();
+  if (length != correctPasswd.length()) {
+    return false;
+  }
+  for (int i = 0; i < length; i++) {
+    if (correctPasswd[i] != enteredPasswd[i]) {
+      return false;
+    }
+  }
+  return true;
+}
+void actLED() {
+  if (!state) {
+    analogWrite(LED_GREEN_PIN, 0);
+    analogWrite(LED_RED_PIN, 255);
+  } else {
+    analogWrite(LED_RED_PIN, 0);
+    analogWrite(LED_GREEN_PIN, 255);
+  }
+}
+void actBuzzer() {
+  if (!state) {
+    tone(BUZZER_PIN, 100, 300);
+  } else {
+    tone(BUZZER_PIN, 100, 100);
+    delay(200);
+    tone(BUZZER_PIN, 300, 100);
+  }
+}
+void warningBuzz() {
+  unsigned long currentMillis = millis();
+  if (currentMillis - previousMillisBuzz >= WARNING_BUZZ_INTERVAL) {
+    previousMillisBuzz = currentMillis;
+    tone(BUZZER_PIN, 350, 200);
+  }
+}
+void wrongPasswordBuzz() {
+  tone(BUZZER_PIN, 450);
+  delay(1000);
+  noTone(BUZZER_PIN);
+}
+void angryBuzz() {
+  Serial.println("INTRUDER");
+  for (int i = 0; i < 80; i++) {
+    if (i % 2 == 0) {
+      analogWrite(LED_GREEN_PIN, 0);
+      analogWrite(LED_RED_PIN, 255);
+    } else {
+      analogWrite(LED_GREEN_PIN, 255);
+      analogWrite(LED_RED_PIN, 0);
+    }
+    tone(BUZZER_PIN, 50);
+    delay(50);
+  }
+  noTone(BUZZER_PIN);
+}
+void lock_unlock() {
+  servo.write(90 - servoPos);
+  servoPos = 90 - servoPos;
+  state = !state;
+  actLED();
+  actBuzzer();
+}
+void loop() {
+  // LED CODE
+  actLED();
+  // RFID READER CODE
+  if (!wrongTag) {
+    // Look for new cards
+    if (rc522.PICC_IsNewCardPresent()) {  // Select one of the cards
+      unsigned long time = millis();
+      if (time - lastReadTime >= WAIT) {
+        lastReadTime = time;
+        if (rc522.PICC_ReadCardSerial()) {
+          //Show UID on serial monitor
+          byte letter;
+          for (byte i = 0; i < correctCodeSize; i++) {
+            if (rc522.uid.uidByte[i] != correctCode[i]) {
+              Serial.println("ERROR! Invalid tag! Enter keys!");
+              // TODO: intermittent buzz
+              warningStateStart = millis();
+              enteredPasswd = "";
+              wrongTag = true;
+            } else {
+              Serial.println("OK");
+              proceed = true;
+            }
+          }
+        }
+      }
+    }
+  } else {
+    warningBuzz();
+    unsigned long currTime = millis();
+    if (currTime - warningStateStart >= WARNING_TIMEOUT) {
+      angryBuzz();
+      warningStateStart = millis();  // reset
+    }
+    // Wrong tag => have to read keypad
+    char key = keypad.getKey();
+    if (key) {
+      if (key == '#') {
+        bool validPasswd = checkPasswd(enteredPasswd);
+        if (validPasswd) {
+          Serial.println("OK!");
+          proceed = true;
+          wrongTag = false;
+        }
+        else {
+          wrongPasswordBuzz();
+        }
+        enteredPasswd = "";
+      } else {
+        enteredPasswd += key;
+      }
+    }
+  }
+  if (proceed) {
+    lock_unlock();
+  }
+  proceed = false;
+}
 </note>
@@ Line 76: / Line 273: @@
 <note tip>
-Care au fost rezultatele obţinute în urma realizării proiectului vostru.
+Am reusit realizarea unui seif conform descrierii.
 </note>
 ===== Concluzii =====
+<note tip>
+Proiectul a avut un rol benefic în dezvoltarea competențelor atât în programarea Arduino, cât și în implementarea componentelor hardware.
+</note>
 ===== Download =====
@@ Line 92: / Line 291: @@
 <note>
-Listă cu documente, datasheet-uri, resurse Internet folosite, eventual grupate pe **Resurse Software** şi **Resurse Hardware**.
+https://www.arduino.cc/reference/en/libraries/keypad/
+ https://www.arduino.cc/reference/en/libraries/mfrc522/
+ https://www.arduino.cc/reference/en/libraries/easy-mfrc522/
 </note>
 <html><a class="media mediafile mf_pdf" href="?do=export_pdf">Export to PDF</a></html>