2024-07-26 -

gps_coordinates.csv

@@ -0,0 +1,47 @@
+Timestamp,Latitude,Longitude
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gps_data_raspberrypi.csv

@@ -6035,3 +6035,171 @@ Timestamp,Latitude,Longitude
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gpsmqtt.py

@@ -0,0 +1,150 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import RPi.GPIO as GPIO
+import serial
+import time
+import os
+import csv
+from datetime import datetime
+import paho.mqtt.client as mqtt
+
+myhost = os.uname()[1]
+
+# GPIO setup
+GPIO.setmode(GPIO.BCM)
+GPIO.setwarnings(False)
+gpio_initialized = False
+
+ser = serial.Serial('/dev/ttyUSB3', 9600)
+ser.flushInput()
+
+rec_buff = ''
+time_count = 0
+
+# CSV file setup
+csv_filename = 'gps_coordinates.csv'
+csv_header = ['Timestamp', 'Latitude', 'Longitude']
+
+# MQTT setup
+mqtt_broker = "65.108.199.212"
+mqtt_port = 1883  # Default MQTT port
+mqtt_topic = "iiot/coordinates"
+mqtt_client = mqtt.Client()
+
+def mqtt_connect():
+    mqtt_client.connect(mqtt_broker, mqtt_port, 60)
+    mqtt_client.loop_start()
+
+def mqtt_publish(message):
+    mqtt_client.publish(mqtt_topic, message)
+
+def write_to_csv(lat, lon):
+    timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+    with open(csv_filename, 'a', newline='') as csvfile:
+        csv_writer = csv.writer(csvfile)
+        if os.stat(csv_filename).st_size == 0:
+            csv_writer.writerow(csv_header)
+        csv_writer.writerow([timestamp, lat, lon])
+
+    # Publish to MQTT
+    mqtt_message = f"{timestamp},{lat},{lon}"
+    mqtt_publish(mqtt_message)
+
+def parse_gps_data(gps_data):
+    parts = gps_data.split(',')
+    if len(parts) >= 4:
+        lat = convert_to_decimal(parts[0], parts[1])
+        lon = convert_to_decimal(parts[2], parts[3])
+        return lat, lon
+    return None, None
+
+def convert_to_decimal(coord, direction):
+    degrees = float(coord[:2])
+    minutes = float(coord[2:])
+    decimal = degrees + (minutes / 60)
+    if direction in ['S', 'W']:
+        decimal = -decimal
+    return round(decimal, 6)
+
+def send_at(command, back, timeout):
+    rec_buff = ''
+    ser.write((command+'\r\n').encode())
+    time.sleep(timeout)
+    if ser.inWaiting():
+        time.sleep(0.01)
+        rec_buff = ser.read(ser.inWaiting())
+    if rec_buff != '':
+        if back not in rec_buff.decode():
+            print(command + ' ERROR')
+            print(command + ' back:\t' + rec_buff.decode())
+            return 0
+        else:
+            gps_data = rec_buff.decode()[13:-36]
+            print(gps_data)
+            lat, lon = parse_gps_data(gps_data)
+            if lat is not None and lon is not None:
+                write_to_csv(lat, lon)
+            return 1
+    else:
+        print('GPS is not ready')
+        return 0
+
+def get_gps_position():
+    rec_null = True
+    answer = 0
+    print('Starting GPS')
+    rec_buff = ''
+    send_at('AT+CGPS=1','OK',1)
+    time.sleep(2)
+    while rec_null:
+        answer = send_at('AT+CGPSINFO','+CGPSINFO: ',1)
+        if 1 == answer:
+            answer = 0
+            if ',,,,,,' in rec_buff:
+                print('GPS is not ready')
+                rec_null = False
+                time.sleep(1)
+        else:
+            print('error %d'%answer)
+            rec_buff = ''
+            send_at('AT+CGPS=0','OK',1)
+            return False
+        time.sleep(1.5)
+
+def power_on(power_key):
+    print('SIM7600X is starting:')
+    GPIO.setmode(GPIO.BCM)
+    GPIO.setwarnings(False)
+    GPIO.setup(power_key,GPIO.OUT)
+    time.sleep(0.1)
+    GPIO.output(power_key,GPIO.HIGH)
+    time.sleep(2)
+    GPIO.output(power_key,GPIO.LOW)
+    time.sleep(20)
+    ser.flushInput()
+    print('SIM7600X is ready')
+
+def power_down(power_key):
+    print('SIM7600X is logging off:')
+    GPIO.output(power_key,GPIO.HIGH)
+    time.sleep(3)
+    GPIO.output(power_key,GPIO.LOW)
+    time.sleep(18)
+    print('Good bye')
+
+try:
+    mqtt_connect()
+    #power_on(power_key)
+    get_gps_position()
+    #power_down(power_key)
+except:
+    if ser != None:
+        ser.close()
+    #power_down(power_key)
+    GPIO.cleanup()
+finally:
+    if ser != None:
+        ser.close()
+    GPIO.cleanup()
+    mqtt_client.loop_stop()
+    mqtt_client.disconnect()

modbus_door.py

@@ -38,7 +38,7 @@ sensy_boi.close_port_after_each_call = True
 # GPIO configuration
 PIN_17 = 17
 LuzPuerta = 18
-LuzEncendido = 23
+LuzEncendido = 25
 GPIO.setup(PIN_17, GPIO.IN)
 GPIO.setup(LuzPuerta, GPIO.OUT)
 GPIO.setup(LuzEncendido, GPIO.OUT)