2024-07-24 -

gps001.py

@@ -53,7 +53,7 @@ def write_to_csv(lat, lon):
     with open(csv_filename, mode='a', newline='') as file:
         writer = csv.writer(file)
         writer.writerow([timestamp, lat, lon])
-
+    time.sleep(12)
 
 def send_at(command, back, timeout):
     rec_buff = ''
@@ -100,7 +100,7 @@ def get_gps_position():
             rec_buff = ''
             send_at('AT+CGPS=0', 'OK', 1)
             return False
-        time.sleep(1.5)
+        time.sleep(2)
 
 # Create CSV file with headers if it doesn't exist
 if not os.path.exists(csv_filename):
@@ -110,7 +110,6 @@ if not os.path.exists(csv_filename):
 
 try:
     get_gps_position()
-    time.sleep(10)
 except Exception as e:
     print(f"Error: {e}")
 finally:

gps_nx.py

@@ -0,0 +1,49 @@
+import serial
+import pynmea2
+import paho.mqtt.client as mqtt
+
+# Configuration
+GPS_PORT = '/dev/ttyS0'  # change this if your GPS device is on a different port
+MQTT_BROKER = '65.108.199.212'
+MQTT_PORT = 1883
+TOPIC = 'iiot/coordinates'
+
+def on_connect(client, userdata, flags, rc):
+    """Callback for when the client connects to the broker."""
+    print(f"Connected with result code {rc}")
+    client.subscribe(TOPIC)
+
+def on_message(client, userdata, msg):
+    """Callback for when a message is received from the broker."""
+    print(f"Received message: {msg.payload.decode('utf-8')}")
+
+# Create MQTT client
+client = mqtt.Client()
+
+# Connect to MQTT broker
+client.on_connect = on_connect
+client.on_message = on_message
+try:
+    client.connect(MQTT_BROKER, MQTT_PORT)
+except Exception as e:
+    print(f"Error connecting to MQTT broker: {e}")
+    exit()
+
+# Open GPS device serial port
+try:
+    gps_dev = serial.Serial(GPS_PORT, 9600, timeout=1)  # change baudrate and timeout if needed
+except serial.SerialException as e:
+    print(f"Error opening GPS device serial port: {e}")
+    exit()
+
+while True:
+    try:
+        line = gps_dev.readline().decode('utf-8')
+        if line.startswith('$GPGGA'):
+            msg = pynmea2.parse(line)
+            latitude = msg.latitude
+            longitude = msg.longitude
+            print(f"Latitude: {latitude}, Longitude: {longitude}")
+            client.publish(TOPIC, f"{latitude},{longitude}")
+    except Exception as e:
+        print(f"Error parsing GPS data or publishing to MQTT broker: {e}")

modbus_door.py

@@ -12,8 +12,8 @@ myhost = os.uname()[1]
 client = mqtt.Client(myhost)
 client.connect(mqttBroker, 1883)
 
-preferred_device = '/dev/ttyUSB5'
+preferred_device = '/dev/ttyUSB0'
-fallback_device = '/dev/ttyUSB0'
+fallback_device = '/dev/ttyUSB5'
 
 device_path = preferred_device if os.path.exists(preferred_device) else fallback_device
 
@@ -54,7 +54,6 @@ try:
             status_17 = GPIO.input(PIN_17)
             if GPIO.input(23) == GPIO.HIGH:
                 print("Adquiriendo datos...")
-#                subprocess.run(['python3', '/home/pi/jdz/gps001.py'])
                 # Read data from multiple registers
                 data = sensy_boi.read_registers(0, 2, 3)
 
@@ -76,15 +75,15 @@ try:
                 print("-------------------------------------")
                 print("")
 
-            #time.sleep(5)
+            time.sleep(15)
 
             if GPIO.input(PIN_17) == GPIO.LOW:
-                    GPIO.output(LuzPuerta, GPIO.HIGH) # Luz Roja encendida
+                GPIO.output(LuzPuerta, GPIO.HIGH) # Luz Roja encendida
             else:
-                   GPIO.output(LuzPuerta, GPIO.LOW)
+                GPIO.output(LuzPuerta, GPIO.LOW)
-                   GPIO.output(LuzEncendido, GPIO.HIGH)
+                GPIO.output(LuzEncendido, GPIO.HIGH)
 
-            time.sleep(15)
+            #time.sleep(1)
 
 except Exception as e:
     print(f"Error: {str(e)}")