2024-07-21 -

gps01.py

@@ -1,7 +1,6 @@
 #!/usr/bin/python
 # -*- coding:utf-8 -*-
 import RPi.GPIO as GPIO
-import paho.mqtt.client as mqtt
 import serial
 import time, os
 import csv
@@ -11,17 +10,14 @@ from datetime import datetime
 GPIO.setmode(GPIO.BCM)
 GPIO.setwarnings(False)
 
-# MQTT Broker settings
-mqttBroker ="65.108.199.212"
-myhost = os.uname()[1]
-client = mqtt.Client(myhost)
-# client.connect(mqttBroker, 1883)
 ser = serial.Serial('/dev/ttyS0',115200)
 ser.flushInput()
 
 rec_buff = ''
 time_count = 0
 
+myhost = os.uname()[1]
+
 # CSV file settings
 csv_filename = f"gps_data_{myhost}.csv"
 csv_headers = ["Timestamp", "Latitude", "Longitude"]
@@ -75,7 +71,6 @@ def send_at(command,back,timeout):
             lat, lon = parse_gps_data(gps_data)
             converted_gps = f"{lat}, {lon}"
             print("Converted GPS data for Google Maps:", converted_gps)
-            client.publish("iiot/"+ myhost +"/gps", converted_gps)
             current_time = datetime.datetime.now()
             write_to_csv(current_time, lat, lon)
             return 1
@@ -89,7 +84,6 @@ def get_gps_position():
     print('Iniciando GPS')
     rec_buff = ''
     send_at('AT+CGPS=1,1','OK',1)
-    send_at("AT+CNTP=\"pool.ntp.org\",52")
     time.sleep(2)
     while rec_null:
         answer = send_at('AT+CGPSINFO','+CGPSINFO: ',1)
@@ -112,7 +106,8 @@ def get_gps_position():
 if not os.path.exists(csv_filename):
     with open(csv_filename, mode='w', newline='') as file:
         writer = csv.writer(file)
-        writer.writerow(csv_headers)
+        writer.writerow([timestamp, lat, lon])
+#        writer.writerow(csv_headers)
 
 try:
     get_gps_position()

gps03.py

@@ -0,0 +1,142 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import RPi.GPIO as GPIO
+import paho.mqtt.client as mqtt
+import serial
+import time, os
+import csv
+from datetime import datetime
+
+# MQTT Broker settings
+mqttBroker ="65.108.199.212"
+myhost = os.uname()[1]
+client = mqtt.Client(myhost)
+# client.connect(mqttBroker, 1883)
+
+ser = serial.Serial('/dev/ttyS0',115200)
+ser.flushInput()
+
+rec_buff = ''
+time_count = 0
+
+# CSV file settings
+csv_filename = f"gps_data_{myhost}.csv"
+csv_headers = ["Timestamp", "Latitude", "Longitude"]
+
+def convert_to_decimal(coord_str):
+    coord = coord_str[:-2]
+    direction = coord_str[-1]
+    
+    degrees = float(coord[:2] if direction in ['N', 'S'] else coord[:3])
+    minutes = float(coord[2:] if direction in ['N', 'S'] else coord[3:])
+    
+    decimal = degrees + (minutes / 60)
+    
+    if direction in ['S', 'W']:
+        decimal = -decimal
+    
+    return decimal
+
+def parse_gps_data(gps_string):
+    parts = gps_string.split(',')
+    if len(parts) != 4:
+        return "Invalid GPS data"
+    
+    lat = convert_to_decimal(parts[0] + ',' + parts[1])
+    lon = convert_to_decimal(parts[2] + ',' + parts[3])
+    
+    return f"{lat:.6f}", f"{lon:.6f}"
+
+def write_to_csv(lat, lon):
+    timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+    with open(csv_filename, mode='a', newline='') as file:
+        writer = csv.writer(file)
+        writer.writerow([timestamp, lat, lon])
+
+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("Raw GPS data:", gps_data)
+            lat, lon = parse_gps_data(gps_data)
+            converted_gps = f"{lat}, {lon}"
+            print("Converted GPS data for Google Maps:", converted_gps)
+            client.publish("iiot/"+ myhost +"/gps", converted_gps)
+            write_to_csv(lat, lon)
+            return 1
+    else:
+        print('GPS no está listo')
+        return 0
+
+def get_gps_position():
+    rec_null = True
+    answer = 0
+    print('Iniciando GPS')
+    rec_buff = ''
+    send_at('AT+CGPS=1,1','OK',1)
+    time.sleep(2)
+    while rec_null:
+        answer = send_at('AT+CGPSINFO','+CGPSINFO: ',1)
+        client.publish("iiot/"+ myhost +"/gps", rec_buff, 0)
+        if 1 == answer:
+            answer = 0
+            if ',,,,,,' in rec_buff:
+                print('GPS no está listo')
+                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 loging off:')
+    GPIO.output(power_key,GPIO.HIGH)
+    time.sleep(3)
+    GPIO.output(power_key,GPIO.LOW)
+    time.sleep(18)
+    print('Good bye')
+
+# Create CSV file with headers if it doesn't exist
+if not os.path.exists(csv_filename):
+    with open(csv_filename, mode='w', newline='') as file:
+        writer = csv.writer(file)
+        writer.writerow(csv_headers)
+
+try:
+    #power_on(power_key)
+    get_gps_position()
+    #power_down(power_key)
+except:
+    if ser != None:
+        ser.close()
+    #power_down(power_key)
+    GPIO.cleanup()
+if ser != None:
+        ser.close()
+        GPIO.cleanup()

gps04.py

@@ -0,0 +1,113 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import RPi.GPIO as GPIO
+import paho.mqtt.client as mqtt
+import serial
+import time, os
+import csv
+from datetime import datetime
+
+# MQTT Broker settings
+mqttBroker ="65.108.199.212"
+myhost = os.uname()[1]
+client = mqtt.Client(myhost)
+# client.connect(mqttBroker, 1883)
+
+ser = serial.Serial('/dev/ttyS0',115200)
+ser.flushInput()
+
+rec_buff = ''
+time_count = 0
+
+# CSV file setup
+csv_filename = f"gps_data_{datetime.now().strftime('%Y%m%d_%H%M%S')}.csv"
+csv_header = ['Timestamp', 'GPS Data']
+
+def write_to_csv(data):
+    with open(csv_filename, 'a', newline='') as csvfile:
+        csv_writer = csv.writer(csvfile)
+        csv_writer.writerow([datetime.now().strftime('%Y-%m-%d %H:%M:%S'), data])
+
+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)
+            client.publish("iiot/"+ myhost +"/gps", gps_data)
+            write_to_csv(gps_data)  # Write GPS data to CSV
+            return 1
+    else:
+        print('GPS no está listo')
+        return 0
+
+def get_gps_position():
+    rec_null = True
+    answer = 0
+    print('Iniciando GPS')
+    rec_buff = ''
+    send_at('AT+CGPS=1,1','OK',1)
+    time.sleep(2)
+    while rec_null:
+        answer = send_at('AT+CGPSINFO','+CGPSINFO: ',1)
+        client.publish("iiot/"+ myhost +"/gps", rec_buff, 0)
+        if 1 == answer:
+            answer = 0
+            if ',,,,,,' in rec_buff:
+                print('GPS no está listo')
+                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 loging off:')
+    GPIO.output(power_key,GPIO.HIGH)
+    time.sleep(3)
+    GPIO.output(power_key,GPIO.LOW)
+    time.sleep(18)
+    print('Good bye')
+
+try:
+    # Create CSV file with header
+    with open(csv_filename, 'w', newline='') as csvfile:
+        csv_writer = csv.writer(csvfile)
+        csv_writer.writerow(csv_header)
+    
+    #power_on(power_key)
+    get_gps_position()
+    #power_down(power_key)
+except:
+    if ser != None:
+        ser.close()
+    #power_down(power_key)
+    GPIO.cleanup()
+if ser != None:
+    ser.close()
+    GPIO.cleanup()

gps05.py

@@ -0,0 +1,130 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import RPi.GPIO as GPIO
+import serial
+import time, os
+import csv
+from datetime import datetime
+
+myhost = os.uname()[1]
+
+GPIO.setwarnings(False)
+
+ser = serial.Serial('/dev/ttyS0',115200)
+ser.flushInput()
+
+rec_buff = ''
+time_count = 0
+
+# CSV file setup
+csv_filename = f"gps_data_{datetime.now().strftime('%Y%m%d_%H%M%S')}.csv"
+
+def convert_to_degrees(raw_value):
+    decimal_value = float(raw_value)
+    degrees = int(decimal_value / 100)
+    d = float(degrees)
+    m = (decimal_value - (d * 100)) / 60.0
+    return d + m
+
+def write_to_csv(timestamp, lat, lon):
+    with open(csv_filename, 'a', newline='') as csvfile:
+        csv_writer = csv.writer(csvfile)
+        csv_writer.writerow([timestamp, lat, lon])
+
+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)
+            
+            # Parse GPS data
+            gps_parts = gps_data.split(',')
+            if len(gps_parts) >= 4 and gps_parts[0] and gps_parts[2]:
+                lat = convert_to_degrees(gps_parts[0])
+                lon = convert_to_degrees(gps_parts[2])
+                if gps_parts[1] == 'S':
+                    lat = -lat
+                if gps_parts[3] == 'W':
+                    lon = -lon
+                
+                timestamp = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
+                write_to_csv(timestamp, lat, lon)
+                
+                # Format for Google Maps
+                maps_url = f"https://www.google.com/maps?q={lat},{lon}"
+                print(f"Google Maps URL: {maps_url}")
+                
+            else:
+                print("Invalid GPS data received")
+            
+            return 1
+    else:
+        print('GPS no está listo')
+        return 0
+
+def get_gps_position():
+    rec_null = True
+    answer = 0
+    print('Iniciando GPS')
+    rec_buff = ''
+    send_at('AT+CGPS=1,1','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 no está listo')
+                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 loging off:')
+    GPIO.output(power_key,GPIO.HIGH)
+    time.sleep(3)
+    GPIO.output(power_key,GPIO.LOW)
+    time.sleep(18)
+    print('Good bye')
+
+try:
+    # No need to create CSV file with header anymore
+    #power_on(power_key)
+    get_gps_position()
+    #power_down(power_key)
+except:
+    if ser != None:
+        ser.close()
+    #power_down(power_key)
+    GPIO.cleanup()
+if ser != None:
+    ser.close()
+    GPIO.cleanup()

gps06.py

@@ -0,0 +1,128 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import RPi.GPIO as GPIO
+import serial
+import time
+import os
+import csv
+from datetime import datetime
+
+myhost = os.uname()[1]
+
+# GPIO setup
+GPIO.setmode(GPIO.BCM)
+GPIO.setwarnings(False)
+gpio_initialized = False
+
+ser = serial.Serial('/dev/ttyS0', 115200)
+ser.flushInput()
+
+rec_buff = ''
+time_count = 0
+
+# CSV file setup
+csv_filename = 'gps_coordinates.csv'
+csv_header = ['Timestamp', 'Latitude', 'Longitude']
+
+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])
+
+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=1,1','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:
+    #power_on(power_key)
+    get_gps_position()
+    #power_down(power_key)
+except:
+    if ser != None:
+        ser.close()
+    #power_down(power_key)
+    GPIO.cleanup()
+if ser != None:
+    ser.close()
+    GPIO.cleanup()

gps07.py

@@ -0,0 +1,89 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import RPi.GPIO as GPIO
+import serial
+import time, os
+
+ser = serial.Serial('/dev/ttyS0',115200)
+ser.flushInput()
+
+rec_buff = ''
+time_count = 0
+
+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)
+            return 1
+    else:
+        print('GPS no está listo')
+        return 0
+
+def get_gps_position():
+	rec_null = True
+	answer = 0
+	print('Iniciando GPS')
+	rec_buff = ''
+	send_at('AT+CGPS=1,1','OK',1)
+	time.sleep(2)
+	while rec_null:
+		answer = send_at('AT+CGPSINFO','+CGPSINFO: ',1)
+		client.publish("iiot/"+ myhost +"/gps", rec_buff, 0)
+		if 1 == answer:
+			answer = 0
+			if ',,,,,,' in rec_buff:
+				print('GPS no está listo')
+				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 loging off:')
+	GPIO.output(power_key,GPIO.HIGH)
+	time.sleep(3)
+	GPIO.output(power_key,GPIO.LOW)
+	time.sleep(18)
+	print('Good bye')
+
+try:
+	#power_on(power_key)
+	get_gps_position()
+	#power_down(power_key)
+except:
+	if ser != None:
+		ser.close()
+	#power_down(power_key)
+	GPIO.cleanup()
+if ser != None:
+		ser.close()
+		GPIO.cleanup()

gps_data_raspberrypi.csv

@@ -1 +0,0 @@
-Timestamp,Latitude,Longitude