first commit

loop/3_NPM/send_data.py

@@ -0,0 +1,142 @@
+import json
+import serial
+import time
+
+# Record the start time of the script
+start_time = time.time()
+
+# Define the path to the JSON file
+file_path = "/var/www/nebuleair_pro_4g/loop/data.json"  # Replace with your actual file path
+
+url="data.nebuleair.fr"
+
+#get config
+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)
+device_id = config.get('deviceID', '').upper()
+need_to_log = config.get('loop_log', False)
+
+ser = serial.Serial(
+    port='/dev/ttyAMA2',
+    baudrate=baudrate, #115200 ou 9600
+    parity=serial.PARITY_NONE, #PARITY_NONE, PARITY_EVEN or PARITY_ODD
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = 2
+)
+
+def read_complete_response(serial_connection, timeout=2, end_of_response_timeout=2):
+    response = bytearray()
+    serial_connection.timeout = timeout
+    end_time = time.time() + end_of_response_timeout
+
+    while True:
+        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
+        elif time.time() > end_time:
+            break
+        time.sleep(0.1)  # Short sleep to prevent busy waiting
+
+    return response.decode('utf-8')
+
+# Open and read the JSON file
+try:
+    with open(file_path, 'r') as file:
+        # Load the data from the file
+        data = json.load(file)
+        
+        # Print the content of the JSON file
+        if need_to_log:        
+            print("Data from JSON file:")
+            print(json.dumps(data, indent=4))  # Pretty print the JSON data
+        
+        message = f"{data['PM1']},{data['PM25']},{data['PM10']}"
+
+        #Write Data to saraR4
+        #1. Open sensordata.json (with correct data size)
+        size_of_string = len(message)
+        command = f'AT+UDWNFILE="sensordata.json",{size_of_string}\r'
+        ser.write((command + '\r').encode('utf-8'))
+        response_SARA_1 = read_complete_response(ser)
+        if need_to_log:        
+            print("Open JSON:")
+            print(response_SARA_1)
+        time.sleep(1)
+        #2. Write to shell
+        ser.write(message.encode())
+        response_SARA_2 = read_complete_response(ser)
+        if need_to_log:        
+            print("Write to memory:")
+            print(response_SARA_2)
+        #3. Send to endpoint (with device ID)
+        command= f'AT+UHTTPC=0,4,"/pro_4G/data.php?sensor_id={device_id}","server_response.txt","sensordata.json",4\r'                                                                                            
+        ser.write((command + '\r').encode('utf-8'))
+        response_SARA_3 = read_complete_response(ser)
+        if need_to_log:        
+            print("Send data:")
+            print(response_SARA_3)
+            # Split response into lines
+            lines = response_SARA_3.strip().splitlines()
+                # +UUHTTPCR: <profile_id>,<http_command>,<http_result>
+                # <http_result>: 1 pour sucess et 0 pour fail
+                # +UUHTTPCR: 0,4,1 -> OK
+                # +UUHTTPCR: 0,4,0 -> error
+
+            # Extract HTTP response code from the last line
+            http_response = lines[-1]  # "+UUHTTPCR: 0,4,0"
+            parts = http_response.split(',')
+
+            # Check HTTP result
+            if len(parts) == 3 and parts[-1] == '0':  # The third value indicates success
+                print("*****")
+                print("!ATTENTION!")
+                print("error: HTTP operation failed.")
+                print("*****")
+                print("resetting the URL (domain name):")
+                command = f'AT+UHTTP=0,1,"{url}"\r'
+                ser.write((command + '\r').encode('utf-8'))
+                response_SARA_31 = read_complete_response(ser)
+                if need_to_log:
+                    print(response_SARA_31)
+
+            else:
+                print("HTTP operation successful.")
+                #4. Read reply from server                                                                            
+                ser.write(b'AT+URDFILE="server_response.txt"\r')              
+                response_SARA_4 = read_complete_response(ser)
+                if need_to_log:
+                    print("Reply from server:")
+                    print(response_SARA_4)
+
+        #5. empty json
+        ser.write(b'AT+UDELFILE="sensordata.json"\r')
+        response_SARA_5 = read_complete_response(ser)
+        if need_to_log:
+            print("Empty JSON:")
+            print(response_SARA_5)
+
+    
+
+        # Calculate and print the elapsed time
+        elapsed_time = time.time() - start_time
+        if need_to_log:
+            print(f"Elapsed time: {elapsed_time:.2f} seconds")
+            print("-----------------")
+
+except Exception as e:
+    print(f"Error reading the JSON file: {e}")