From ed3aee79f4ab15a9d7e7fffc06453d101b825530 Mon Sep 17 00:00:00 2001
From: jerick <jerick00201@gmail.com>
Date: Mon, 26 Dec 2022 02:48:53 -0500
Subject: [PATCH] First commit of Motion Sensor

---
 mqtt/motionSensor.py | 101 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 mqtt/motionSensor.py

diff --git a/mqtt/motionSensor.py b/mqtt/motionSensor.py
new file mode 100644
index 0000000..59a3b78
--- /dev/null
+++ b/mqtt/motionSensor.py
@@ -0,0 +1,101 @@
+import time
+import board
+import adafruit_dht
+import psutil
+import random
+import RPi.GPIO as GPIO
+import time
+
+from paho.mqtt import client as mqtt_client
+
+name = 'test'
+broker = '192.168.0.196'
+port = 1883
+tempTopic = "home/office/climate/temp"
+humidTopic = "home/office/climate/humid"
+username = 'mqtt'
+password = 'falrenforbreakfast'
+
+
+client_id = f'python-mqtt-office-{random.randint(0, 1000)}'
+
+#We first check if a libgpiod process is running. If yes, we kill it!
+for proc in psutil.process_iter():
+    if proc.name() == 'libgpiod_pulsein' or proc.name() == 'libgpiod_pulsei':
+        proc.kill()
+
+#12 is the pin number
+pir_sensor = 12
+
+GPIO.setmode(GPIO.BOARD)
+
+GPIO.setup(pir_sensor, GPIO.IN)
+
+#Function Definitions
+def connect_mqtt():
+    def on_connect(client, userdata, flags, rc):
+        if rc == 0:
+            print("Connected to MQTT Broker!")
+        else:
+            print("Failed to connect, return code %d\n", rc)
+
+    client = mqtt_client.Client(client_id)
+    client.username_pw_set(username, password)
+    client.on_connect = on_connect
+    client.connect(broker, port)
+    return client
+
+
+def getValues(pir_sensor):
+    current_state = 0
+    try:
+        while True:
+            
+            time.sleep(0.1)
+            current_state = GPIO.input(pir_sensor)
+            #Condition if motion is detected
+            if current_state == 1:
+                print("GPIO pin %s is %s" % (pir_sensor, current_state))
+                time.sleep(5)
+    except KeyboardInterrupt:
+        pass
+    finally:
+        return current_state
+    
+        
+
+
+def publish(client, temp, humidity):      
+        #Publish Temp Results
+        tempMsg = '{{ "temperature": "{}" }}'.format(temp)
+        #tempMsg = temp
+        result = client.publish(tempTopic, tempMsg)
+        status = result[0]
+        if status == 0:
+            #print(f"Send `{tempMsg}` to topic `{tempTopic}`")
+            pass
+        else:
+            print(f"Failed to send message to topic {tempTopic}")
+
+        #Publish Humid Results
+        humidMsg = '{{ "humidity": "{}" }}'.format(humidity)
+        result = client.publish(humidTopic, humidMsg)
+        status = result[0]
+        if status == 0:
+            #print(f"Send `{humidMsg}` to topic `{humidTopic}`")
+            pass
+        else:
+            print(f"Failed to send message to topic {humidTopic}")
+        
+        
+    
+
+while True:
+    #Run functions
+    client = connect_mqtt() # Connect to Broker
+    client.loop_start() #Start loop
+    current_value = getValues(pir_sensor)
+    publish(client, current_value)
+    client.loop_stop()    #Stop loop 
+    client.disconnect() # Disconnect
+    GPIO.cleanup()