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--- pm:prj2024:vstoica:victor.ionescu0812 [2024/05/27 00:39]
victor.ionescu0812 [Software Design]
+++ pm:prj2024:vstoica:victor.ionescu0812 [2024/05/30 08:41] (current)
victor.ionescu0812
@@ Line 38: / Line 38: @@
 Codul a fost scris in Arduino IDE.
+  while (1) {
+    if ((PINC & (1 << PINC0)) == 0 && flag1 == 0) {
+      timer1 = TCNT1;
+      flag1 = 1;
+    }
+    if ((PINC & (1 << PINC1)) == 0 && flag2 == 0) {
+      timer2 = TCNT1;
+      flag2 = 1;
+    }
+    if (flag1 == 1 && flag2 == 1) {
+      if (timer1 > timer2) {
+        Time = (timer1 - timer2) / (F_CPU / 1024.0);
+      } else if (timer2 > timer1) {
+        Time = (timer2 - timer1) / (F_CPU / 1024.0);
+      }
+      speed = (distance / Time) * 3600 / 1000;
+      flag1 = 0;
+      flag2 = 0;
+    }
+    if (speed == 0) {
+      lcd_set_cursor(0, 1);
+      if (flag1 == 0 && flag2 == 0) {
+        lcd_print("No car detected ");
+      } else {
+        lcd_print("Searching...    ");
+      }
+    } else {
+      lcd_clear();
+      lcd_set_cursor(0, 0);
+      lcd_print("Speed:");
+      char buffer[10];
+      dtostrf(speed, 4, 1, buffer);
+      lcd_print(buffer);
+      lcd_print(" Km/Hr  ");
+      lcd_set_cursor(0, 1);
+      if (speed > 50) {
+        lcd_print("  Over Speeding  ");
+        PORTB |= (1 << PORTB5);
+      } else {
+        lcd_print("  Normal Speed   ");
+      }
+      _delay_ms(3000);
+      PORTB &= ~(1 << PORTB5);
+      speed = 0;
+      lcd_clear();
+    }
+  }
 </note>
-===== Rezultate Obţinute =====
+===== Cod complet =====
 <note tip>
-Care au fost rezultatele obţinute în urma realizării proiectului vostru.
+#include <Wire.h>
+#include <LiquidCrystal_I2C.h>
+LiquidCrystal_I2C lcd(0x27, 16, 2);
+int timer1;
+int timer2;
+float Time;
+int flag1 = 0;
+int flag2 = 0;
+float distance = 3.5;
+float speed;
+int ir_s1 = A0;
+int ir_s2 = A1;
+int buzzer = 13;
+void setup() {
+  pinMode(ir_s1, INPUT);
+  pinMode(ir_s2, INPUT);
+  pinMode(buzzer, OUTPUT);
+  lcd.begin(16, 1);
+  lcd.init();
+  lcd.backlight();
+  lcd.clear();
+  lcd.setCursor(0, 0);
+  lcd.print("VYCTOR MASHINA");
+  delay(2000);
+  lcd.clear();
+}
+void loop() {
+  if (digitalRead(ir_s1) == LOW && flag1 == 0) {
+    timer1 = millis();
+    flag1 = 1;
+  }
+  if (digitalRead(ir_s2) == LOW && flag2 == 0) {
+    timer2 = millis();
+    flag2 = 1;
+  }
+  if (flag1 == 1 && flag2 == 1) {
+    if (timer1 > timer2) {
+      Time = timer1 - timer2;
+    } else if (timer2 > timer1) {
+      Time = timer2 - timer1;
+    }
+    Time = Time / 1000;
+    speed = (distance / Time);
+    speed = speed * 3600;
+    speed = speed / 1000;
+  }
+  if (speed == 0) {
+    lcd.setCursor(0, 1);
+    if (flag1 == 0 && flag2 == 0) {
+      lcd.print("No car  detected");
+    } else {
+      lcd.print("Searching...    ");
+    }
+  } else {
+    lcd.clear();
+    lcd.setCursor(0, 0);
+    lcd.print("Speed:");
+    lcd.print(speed, 1);
+    lcd.print("Km/Hr  ");
+    lcd.setCursor(0, 1);
+    if (speed > 50) {
+      lcd.print("  Over Speeding  ");
+      digitalWrite(buzzer, HIGH);
+    } else {
+      lcd.print("  Normal Speed   ");
+    }
+    delay(3000);
+    digitalWrite(buzzer, LOW);
+    speed = 0;
+    flag1 = 0;
+    flag2 = 0;
+  }
+}
 </note>