update

SARA/cellLocate/get_loc.py

@@ -0,0 +1,109 @@
+'''
+  ____    _    ____      _    
+ / ___|  / \  |  _ \    / \   
+ \___ \ / _ \ | |_) |  / _ \  
+  ___) / ___ \|  _ <  / ___ \ 
+ |____/_/   \_\_| \_\/_/   \_\
+                              
+Script to get Location from GSM
+
+/usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/cellLocate/get_loc.py ttyAMA2 1
+
+AT+ULOC=
+<mode>,                 ->2 -> single shot position
+<sensor>,               ->2 -> use cellulare CellLocate
+<response_type>,        ->0 -> standard
+<timeout>,              ->2 -> seconds
+<accuracy>              ->1 -> in meters
+[,<num_hypothesis>]
+
+exemple: AT+ULOC=2,2,0,2,1
+'''
+
+import serial
+import time
+import sys
+import json
+
+parameter = sys.argv[1:]  # Exclude the script name
+port='/dev/'+parameter[0] # ex: ttyAMA2
+timeout = float(parameter[1])  # ex:2
+
+
+#get baudrate
+def load_config(config_file):
+    try:
+        with open(config_file, 'r') as file:
+            config_data = json.load(file)
+        return config_data
+    except Exception as e:
+        print(f"Error loading config file: {e}")
+        return {}
+
+# Define the config file path
+config_file = '/var/www/nebuleair_pro_4g/config.json'
+# Load the configuration data
+config = load_config(config_file)
+# Access the shared variables
+baudrate = config.get('SaraR4_baudrate', 115200)
+
+ser = serial.Serial(
+    port=port,  #USB0 or ttyS0
+    baudrate=baudrate, #115200 ou 9600
+    parity=serial.PARITY_NONE, #PARITY_NONE, PARITY_EVEN or PARITY_ODD
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = timeout
+)
+
+def read_complete_response(serial_connection, timeout=2, end_of_response_timeout=2, wait_for_lines=None, debug=True):
+    '''
+    Fonction très importante !!!
+    Reads the complete response from a serial connection and waits for specific lines.
+    '''
+    if wait_for_lines is None:
+        wait_for_lines = []  # Default to an empty list if not provided
+
+    response = bytearray()
+    serial_connection.timeout = timeout
+    end_time = time.time() + end_of_response_timeout
+    start_time = time.time()
+
+    while True:
+        elapsed_time = time.time() - start_time  # Time since function start
+        if serial_connection.in_waiting > 0:
+            data = serial_connection.read(serial_connection.in_waiting)
+            response.extend(data)
+            end_time = time.time() + end_of_response_timeout  # Reset timeout on new data
+
+            # Decode and check for any target line
+            decoded_response = response.decode('utf-8', errors='replace')
+            for target_line in wait_for_lines:
+                if target_line in decoded_response:
+                    if debug:
+                        print(f"[DEBUG] 🔎 Found target line: {target_line} (in {elapsed_time:.2f}s)")
+                    return decoded_response  # Return response immediately if a target line is found
+        elif time.time() > end_time:
+            if debug:
+                print(f"[DEBUG] Timeout reached. No more data received.")
+            break
+        time.sleep(0.1)  # Short sleep to prevent busy waiting
+
+    # Final response and debug output
+    total_elapsed_time = time.time() - start_time
+    if debug:
+        print(f"[DEBUG] ⏱️ elapsed time: {total_elapsed_time:.2f}s. ⏱️")
+    # Check if the elapsed time exceeded 10 seconds
+    if total_elapsed_time > 10 and debug:
+        print(f"[ALERT] 🚨 The operation took too long 🚨")
+        print(f'<span style="color: red;font-weight: bold;">[ALERT] ⚠️{total_elapsed_time:.2f}s⚠️</span>')
+
+    return response.decode('utf-8', errors='replace')  # Return the full response if no target line is found
+
+
+#command = f'ATI\r'
+command = f'AT+ULOC=2,2,0,2,1\r'
+ser.write((command + '\r').encode('utf-8'))
+
+response = read_complete_response(ser, wait_for_lines=["+UULOC"])
+print(response)