From 230b758ff0397b1330e2fefabeb5b29ac689bd57 Mon Sep 17 00:00:00 2001
From: Jaja Mba <mbaj2@coventry.ac.uk>
Date: Wed, 11 Mar 2026 00:09:19 +0000
Subject: [PATCH] Created occupancy and noise sensor scripts

---
 noise_sensor.py     | 53 ++++++++++++++++++++++++++++++++++++++++++
 occupancy_sensor.py | 56 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 109 insertions(+)

diff --git a/noise_sensor.py b/noise_sensor.py
index e69de29..e5edfd5 100644
--- a/noise_sensor.py
+++ b/noise_sensor.py
@@ -0,0 +1,53 @@
+import random
+import time
+from sensor_base import SensorBase
+
+
+class NoiseSensor(SensorBase):
+    """
+    Noise sensor that simulates gradual drift in noise levels.
+    Values range from 30 dB (quiet) to 100 dB (loud environment).
+    """
+
+    def __init__(self, room_id):
+        super().__init__("noise", room_id)
+
+        # Start at a realistic quiet-to-moderate level
+        self.current_value = random.uniform(40, 60)
+
+    def read_value(self):
+        """
+        Simulate gradual noise drift instead of sudden jumps.
+        """
+
+        # Small drift step
+        drift = random.uniform(-5, 5)
+
+        self.current_value += drift
+
+        # Clamp value within realistic range
+        self.current_value = max(30, min(100, self.current_value))
+
+        return round(self.current_value, 2)
+
+    def generate_noise_reading(self):
+        """
+        Generate a formatted JSON noise reading.
+        """
+        value = self.read_value()
+        return self.generate_reading(value, "dB")
+
+
+# ------------------------
+# Manual Test
+# ------------------------
+
+if __name__ == "__main__":
+
+    sensor = NoiseSensor("Room101")
+
+    print("Testing noise drift:\n")
+
+    for _ in range(5):
+        print(sensor.generate_noise_reading())
+        time.sleep(1)
\ No newline at end of file
diff --git a/occupancy_sensor.py b/occupancy_sensor.py
index e69de29..f9ed2c6 100644
--- a/occupancy_sensor.py
+++ b/occupancy_sensor.py
@@ -0,0 +1,56 @@
+import random
+import time
+from sensor_base import SensorBase
+
+
+class OccupancySensor(SensorBase):
+    """
+    Occupancy sensor that simulates people entering and leaving a room.
+    Values range from 0 to the room's maximum capacity.
+    """
+
+    def __init__(self, room_id, capacity):
+        super().__init__("occupancy", room_id)
+
+        self.capacity = capacity
+
+        # Start with a realistic initial occupancy
+        self.current_value = random.randint(0, capacity // 2)
+
+    def read_value(self):
+        """
+        Simulate gradual occupancy changes.
+        People arrive or leave in small groups.
+        """
+
+        # Small change in occupancy
+        change = random.randint(-3, 3)
+
+        self.current_value += change
+
+        # Ensure occupancy stays within valid limits
+        self.current_value = max(0, min(self.capacity, self.current_value))
+
+        return self.current_value
+
+    def generate_occupancy_reading(self):
+        """
+        Generate a formatted JSON occupancy reading.
+        """
+        value = self.read_value()
+        return self.generate_reading(value, "people")
+
+
+# ------------------------
+# Manual Test
+# ------------------------
+
+if __name__ == "__main__":
+
+    sensor = OccupancySensor("Room101", 40)
+
+    print("Testing occupancy drift:\n")
+
+    for _ in range(5):
+        print(sensor.generate_occupancy_reading())
+        time.sleep(1)
\ No newline at end of file