update

MH-Z19/write_data.py

@@ -5,9 +5,8 @@
  | |__| |_| / __/ 
   \____\___/_____|
                   
-Script to get CO2 values and write it to text file
-need parameter: CO2_port
-/usr/bin/python3 /var/www/moduleair_pro_4g/MH-Z19/write_data.py ttyAMA4
+Script to get CO2 values and write it to the database
+/usr/bin/python3 /var/www/moduleair_pro_4g/MH-Z19/write_data.py 
 '''
 
 import serial
@@ -16,13 +15,32 @@ import json
 import sys
 import subprocess
 import time
+import sqlite3
 
-parameter = sys.argv[1:]  # Exclude the script name
-#print("Parameters received:")
-port='/dev/'+parameter[0]
+
+
+
+# Connect to the SQLite database
+conn = sqlite3.connect("/var/www/moduleair_pro_4g/sqlite/sensors.db")
+cursor = conn.cursor()
+
+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 {}
+
+
+# Load the configuration data
+config_file = '/var/www/moduleair_pro_4g/config.json'
+config = load_config(config_file)
+mh_z19_port = config.get('MH-Z19_port', '')  #port du NPM solo
 
 ser = serial.Serial(
-    port=port,
+    port=mh_z19_port,
     baudrate=9600,
     parity=serial.PARITY_NONE,
     stopbits=serial.STOPBITS_ONE,
@@ -78,10 +96,23 @@ def main():
         co2 = read_co2()
         if co2 is not None:
             print(f"CO2 Concentration: {co2} ppm")
+            #save to file
             output_file = "/var/www/moduleair_pro_4g/matrix/input_MHZ16.txt"
             with open(output_file, "w") as file:
                 file.write(f"{co2} \n")
             print(f"Data written to {output_file}")
+            #GET RTC TIME from SQlite
+            cursor.execute("SELECT * FROM timestamp_table LIMIT 1")
+            row = cursor.fetchone()  # Get the first (and only) row
+            rtc_time_str = row[1]  # '2025-02-07 12:30:45'
+            #save to sqlite
+            cursor.execute('''
+            INSERT INTO data_CO2 (timestamp,CO2) VALUES (?,?)'''
+            , (rtc_time_str,co2))
+
+            # Commit and close the connection
+            conn.commit()
+
         else:
             print("Failed to get CO2 data.")
 
@@ -89,6 +120,7 @@ def main():
         print("Program terminated.")
     finally:
         ser.close()
+        conn.close()
 
 if __name__ == '__main__':
     main()