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nebuleair_pro_4g/SARA/sara_connectNetwork.py
Your Name 04fbf81798 update
2025-11-05 14:50:29 +01:00

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Python
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r'''
____ _ ____ _
/ ___| / \ | _ \ / \
\___ \ / _ \ | |_) | / _ \
___) / ___ \| _ < / ___ \
|____/_/ \_\_| \_\/_/ \_\
Script to connect SARA-R410 to network SARA-R410
python3 /var/www/nebuleair_pro_4g/SARA/sara_connectNetwork.py ttyAMA2 20801 10
AT+COPS=1,2,20801
mode->1 pour manual
format->2 pour numeric
operator->20801 pour orange, 20810 pour SFR
'''
import serial
import time
import sys
import json
parameter = sys.argv[1:] # Exclude the script name
port='/dev/'+parameter[0] # ex: ttyAMA2
networkID = parameter[1] # ex: 20801
timeout = float(parameter[2]) # ex:2
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
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
)
command = f'AT+COPS=1,2,"{networkID}"\r'
ser.write((command + '\r').encode('utf-8'))
try:
response = read_complete_response(ser, wait_for_lines=["OK", "ERROR"],timeout=5, end_of_response_timeout=120, debug=True)
print('<p class="text-danger-emphasis">')
print(response)
print("</p>", end="")
except serial.SerialException as e:
print(f"Error: {e}")
finally:
if ser.is_open:
ser.close()
#print("Serial closed")